Clamp for punching machining of mobile phone shell

Through the clamp design of the transmission and moving mechanism combined with the pressure sensor and PLC controller, the problem that the hole punching fixture of the existing mobile phone case cannot be adjusted is solved, and flexible clamping of different mobile phone cases is achieved, which improves the convenience of hole punching processing.

CN223186073UActive Publication Date: 2025-08-05QIANGRUI PRECISION MANUFACTURING (KUNSHAN) CO LTD
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Patent Information

Application Number
CN202422306697.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-08-05
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

The existing mobile phone case drilling fixture has poor flexibility and cannot be adjusted according to the length and width of the mobile phone case, resulting in inconvenient hole drilling.

Method used

A clamp containing a transmission mechanism and a moving mechanism is designed, and the position of the clamping plate is automatically adjusted using a pressure sensor and a PLC controller to achieve flexible clamping of mobile phone housings of different lengths and widths.

Benefits of technology

Automatic clamping of mobile phone case of different lengths and widths is achieved, improving the flexibility and convenience of the fixture.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223186073U_ABST
    Figure CN223186073U_ABST
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Abstract

The clamp comprises a base, an L-shaped plate is installed on the rear end face of the base, a square groove is formed in the upper end face of the base, a movable cavity is formed below the square groove, a containing plate is arranged on the bottom face of the square groove, grooves are formed in the two sides of the inner wall of the square groove, and the movable cavity is communicated with the containing plate. Movable blocks are arranged on the inner sides of the grooves, the movable blocks are in transmission connection with the placing plate through a transmission mechanism, side clamping plates are fixedly installed on the opposite sides of the outer surfaces of the two movable blocks, and a pressure sensor A is installed in the middle of the opposite sides of the outer surfaces of the two side clamping plates through a cavity A; clamping plates are movably connected to the front portions and the rear portions of the opposite sides of the outer surfaces of the two side clamping plates through moving mechanisms correspondingly. The mobile phone shell clamping device can automatically clamp mobile phone shells with different lengths and widths, and is high in flexibility and convenient to use.
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Description

Technical Field

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

[0002] In recent years, high-end smartphones have become increasingly popular among consumers, with their market share steadily growing. Many components in internationally renowned mobile phone products are manufactured in China, creating significant business opportunities for China's electronics industry. However, mobile phone manufacturers also impose strict requirements on the precision of high-end mobile phone parts and accessories, posing significant challenges for Chinese mobile phone parts manufacturers.

[0003] However, most of the existing fixtures for processing holes in mobile phone shells have poor flexibility and cannot be adjusted according to the length and width of the mobile phone shell, which causes great inconvenience to the punching of the mobile phone shell; therefore, it does not meet the existing needs. In this regard, we propose a fixture for punching holes in mobile phone shells. Utility Model Content

[0004] The purpose of the present utility model is to provide a fixture for punching holes in mobile phone shells, so as to solve the problems raised in the above-mentioned background technology, such as the poor flexibility of most existing fixtures for punching holes in mobile phone shells, the inability of the fixtures to be adjusted according to the length and width of the mobile phone shells, and the great inconvenience caused to the punching of mobile phone shells.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixture for punching holes in mobile phone shells, comprising a base, an L-shaped plate installed on the rear end face of the base, an upper end face of the base provided with a square groove, a movable cavity provided below the square groove, a placement plate provided on the bottom face of the square groove, grooves provided on both sides of the inner wall of the square groove, a movable block provided on the inner side of the groove, the movable block and the placement plate are connected by a transmission mechanism, side clamps are fixedly installed on the opposite sides of the outer surfaces of the two movable blocks, a pressure sensor A is installed in the middle of the opposite side of the outer surfaces of the two side clamps through a cavity A, the front and rear of the opposite side of the outer surfaces of the two side clamps are movably connected with a clamping plate through a moving mechanism, and a pressure sensor B is installed in the middle of the opposite side of the outer surfaces of each two clamping plates through a cavity B.

[0006] Preferably, an electric push rod is installed on the upper end surface of the L-shaped plate, a lifting plate is installed on the lower end surface of the electric push rod, a linear slide is installed on the lower end surface of the lifting plate, a slider is slidably connected below the linear slide, a rotating motor is provided on the inner side of the slider, the output end of the rotating motor is fixedly connected to a vertical shaft, and a drill bit is fixedly installed on the lower end surface of the vertical shaft.

[0007] Preferably, the transmission mechanism includes a push rod, the outer surface of which is sleeved with a spring B, the placement plate is connected to the bottom surface of the active cavity through a spring A, the placement plate is located on the inner side of the active cavity, and the bottom surface of the placement plate is connected to the bottom surface of the active cavity through multiple springs A.

[0008] Preferably, a transmission cavity is provided on the inner side of the groove, a rotating rod is installed inside the transmission cavity, a touch rod is fixedly installed on one end of the upper end surface of the rotating rod, the top end of the touch rod extends to the surface of the top end of the push rod, the other end of the rotating rod is connected to the upper end surface of the outer side of the placement plate through a transmission rod, the position of the rotating rod close to the transmission rod is connected to the transmission cavity through a rotating shaft A, and both ends of the transmission rod are connected to the rotating rod and the placement plate through a rotating shaft B.

[0009] Preferably, the moving mechanism includes a threaded rod, which is arranged on the upper and lower sides of the front and rear outer surface of one side of the side clamping plate through a transverse groove, and the outer surface of the threaded rod is sleeved with a threaded plate, and the threaded plate is fixedly connected to the outer surface of the clamping plate. The two threaded rods are connected by a connecting rod, and the thread directions of each two threaded rods are opposite, and the opposite sides of the outer surfaces of each two clamping plates are fixedly connected with a rubber pad.

[0010] Preferably, a motor is installed behind the transverse groove through a motor cavity, the output end of the motor is fixedly connected to the rear end face of one of the threaded rods through a short shaft, and the front end face of the other threaded rod is rotatably connected to the inner wall of the transverse groove through a bearing.

[0011] Preferably, a PLC controller is installed inside the base, and the PLC controller is electrically connected to the pressure sensor A, the pressure sensor B and the motor.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] When the pressing plate is pressed down, the driving rod is pulled downward, driving the rotating rod to rotate, causing the touch rod to rotate upward, pushing the push rod outward of the groove, and the movement of the push rod drives the movable block to move toward the outside of the groove, driving the side clamping plates to move in the direction close to the outer surface of the mobile phone shell on both sides until the outer surface of the side clamping plates contacts the outer surface of the mobile phone shell. When the pressure sensor A detects pressure, the PLC controller controls the motor to work, and the motor can drive the short shaft to rotate, thereby driving the two threaded rods to rotate, and the two threaded plates can move in the direction of approaching or moving away from each other at the same time, driving the clamping plates to move until the clamping plates contact the front and rear end surfaces of the mobile phone shell. When the pressure sensor B detects pressure, the PLC controller controls the motor to stop working. The utility model can automatically clamp mobile phone shells of different lengths and widths, with high flexibility and easy use. 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 main cross-sectional view of the utility model as a whole;

[0016] Figure 3 It is a partial structural diagram of the transmission mechanism of the utility model;

[0017] Figure 4 A top sectional view of the utility model as a whole;

[0018] Figure 5 It is a partial structural diagram of the mobile mechanism of the utility model.

[0019] In the figure: 1. Base; 2. Side clamping plate; 3. Square groove; 4. Transmission mechanism; 401. Spring A; 402. Transmission rod; 403. Rotating rod; 404. Touch rod; 405. Push rod; 406. Spring B; 5. Movable cavity; 6. Clamping plate; 7. Placement plate; 8. Transmission cavity; 9. Groove; 10. Movable block; 11. Pressure sensor A; 12. Moving mechanism; 1201. Motor; 1202. Threaded plate; 1203. Horizontal groove; 1204. Threaded rod; 1205. Connecting rod; 13. Pressure sensor B; 14. L-shaped plate. DETAILED DESCRIPTION

[0020] 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 the embodiments.

[0021] The pressure sensor A11 (model KH15-S91), motor 1201 (model 68KTYZ), pressure sensor B13 (model KH15-S91), electric push rod (model LBP40) and rotary motor (model YEJ3-112M-4) mentioned in the present invention can all be purchased from the market or obtained through private customization.

[0022] See also Figures 1 to 5 The utility model provides an embodiment: a fixture for punching holes in mobile phone shells, comprising a base 1, an L-shaped plate 14 being installed on the rear end surface of the base 1, a square groove 3 being provided on the upper end surface of the base 1, a movable cavity 5 being provided below the square groove 3, a placement plate 7 being provided on the bottom surface of the square groove 3, grooves 9 being provided on both sides of the inner wall of the square groove 3, a movable block 10 being provided on the inner side of the groove 9, the movable block 10 being connected to the placement plate 7 through a transmission mechanism 4, a side clamping plate 2 being fixedly installed on the opposite sides of the outer surfaces of the two movable blocks 10, a pressure sensor A11 being installed through a cavity A in the middle of the opposite sides of the outer surfaces of the two side clamping plates 2, a clamping plate 6 being movably connected to the front and rear of the opposite sides of the outer surfaces of the two side clamping plates 2 through a moving mechanism 12, and a pressure sensor B13 being installed through a cavity B in the middle of the opposite sides of the outer surfaces of each two clamping plates 6.

[0023] Furthermore, an electric push rod is installed on the upper end surface of the L-shaped plate 14, a lifting plate is installed on the lower end surface of the electric push rod, a linear slide is installed on the lower end surface of the lifting plate, a slider is slidably connected below the linear slide, a rotating motor is provided on the inner side of the slider, the output end of the rotating motor is fixedly connected to the vertical shaft, a drill bit is fixedly installed on the lower end surface of the vertical shaft, and the rotating motor can drive the drill bit to rotate for drilling.

[0024] The transmission mechanism 4 includes a push rod 405, the outer surface of which is sleeved with a spring B406, the placement plate 7 is connected to the bottom surface of the active cavity 5 through a spring A401, the placement plate 7 is located on the inner side of the active cavity 5, and the bottom surface of the placement plate 7 is connected to the bottom surface of the active cavity 5 through multiple springs A401, and the placement plate 7 can move downward on the inner side of the active cavity 5.

[0025] A transmission cavity 8 is provided on the inner side of the groove 9, and a rotating rod 403 is installed inside the transmission cavity 8. A touch rod 404 is fixedly installed on one end of the upper end surface of the rotating rod 403, and the top of the touch rod 404 extends to the surface of the top of the push rod 405. The other end of the rotating rod 403 is connected to the upper end surface of the outer side of the placement plate 7 through the transmission rod 402. When the placement plate 7 moves downward, the transmission rod 402 will be pulled downward, driving the rotating rod 403 to rotate, so that the touch rod 404 rotates upward, and pushes the push rod 405 to the outside of the groove 9. The position of the rotating rod 403 close to the transmission rod 402 is connected to the transmission cavity 8 through the rotating shaft A, and both ends of the transmission rod 402 are connected to the rotating rod 403 and the placement plate 7 through the rotating shaft B, which is convenient for transmission and stable.

[0026] The moving mechanism 12 includes a threaded rod 1204, which is arranged on the upper and lower sides of the front and rear outer surface of one side of the side clamping plate 2 through a transverse groove 1203. The outer surface of the threaded rod 1204 is sleeved with a threaded plate 1202, and the threaded plate 1202 is fixedly connected to the outer surface of the clamping plate 6. The two threaded rods 1204 are connected by a connecting rod 1205, and the thread directions of each two threaded rods 1204 are opposite. The opposite sides of the outer surfaces of each two clamping plates 6 are fixedly connected with a rubber pad. The two threaded plates 1202 can move in the direction of approaching or moving away at the same time, driving the clamping plate 6 to move.

[0027] A motor 1201 is installed behind the transverse groove 1203 through the motor cavity. The output end of the motor 1201 is fixedly connected to the rear end face of one of the threaded rods 1204 through a short shaft, and the front end face of the other threaded rod 1204 is rotatably connected to the inner wall of the transverse groove 1203 through a bearing. The operation of the motor 1201 can drive the short shaft to rotate, thereby driving the two threaded rods 1204 to rotate.

[0028] A PLC controller is installed inside the base 1. The PLC controller is electrically connected to the pressure sensor A11, the pressure sensor B13 and the motor 1201. When the pressure sensor A11 detects pressure, the PLC controller will control the motor 1201 to work. When the pressure sensor B13 detects pressure, the PLC controller will control the motor 1201 to stop working.

[0029] When the mobile phone shell punching fixture is used, the power is first turned on, and the mobile phone shell is placed on the placement plate by providing a transmission mechanism 4 and a moving mechanism 12. The placement plate is pressed down under the action of the gravity of the mobile phone shell. When the placement plate 7 moves downward, the transmission rod 402 is pulled downward, driving the rotating rod 403 to rotate, so that the touch rod 404 rotates upward, and the push rod 405 is pushed outward of the groove 9. The push rod 405 moves to drive the movable block 10 to move outward of the groove 9, and drives the side clamping plate 2 to move in the direction close to the two sides of the outer surface of the mobile phone shell until the outer surface of the side clamping plate 2 is close to the mobile phone shell. The outer surface is in contact. When the pressure sensor A11 detects pressure, the PLC controller will control the motor 1201 to work. The motor 1201 can drive the short shaft to rotate, thereby driving the two threaded rods 1204 to rotate. The two threaded plates 1202 can move in the direction of approaching or moving away at the same time, driving the clamping plate 6 to move until the clamping plate 6 contacts the front and rear end surfaces of the mobile phone shell. When the pressure sensor B13 detects pressure, the PLC controller will control the motor 1201 to stop working. The utility model can automatically clamp mobile phone shells of different lengths and widths, with high flexibility and easy use.

[0030] It will be apparent 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 characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A fixture for punching holes in a mobile phone housing, comprising a base (1), characterized in that: An L-shaped plate (14) is installed on the rear end face of the base (1), a square groove (3) is provided on the upper end face of the base (1), a movable cavity (5) is provided below the square groove (3), a placement plate (7) is provided on the bottom face of the square groove (3), grooves (9) are provided on both sides of the inner wall of the square groove (3), a movable block (10) is provided on the inner side of the groove (9), the movable block (10) is connected to the placement plate (7) through a transmission mechanism (4), side clamps (2) are fixedly installed on opposite sides of the outer surfaces of the two movable blocks (10), a pressure sensor A (11) is installed in the middle of the opposite side of the outer surfaces of the two side clamps (2) through a cavity A, the front and rear of the opposite side of the outer surfaces of the two side clamps (2) are movably connected to the clamping plate (6) through a moving mechanism (12), and a pressure sensor B (13) is installed in the middle of the opposite side of the outer surfaces of each two clamping plates (6) through a cavity B.

2. A fixture for punching holes in a mobile phone housing according to claim 1, characterized in that: The upper end surface of the L-shaped plate (14) is equipped with an electric push rod, the lower end surface of the electric push rod is equipped with a lifting plate, the lower end surface of the lifting plate is equipped with a linear slide rail, the lower end of the linear slide rail is slidably connected to a slider, the inner side of the slider is provided with a rotary motor, the output end of the rotary motor is fixedly connected to a vertical shaft, and the lower end surface of the vertical shaft is fixedly equipped with a drill bit.

3. The fixture for punching holes in a mobile phone housing according to claim 1, characterized in that: The transmission mechanism (4) includes a push rod (405), the outer surface of which is sleeved with a spring B (406), the placement plate (7) and the bottom surface of the movable chamber (5) are connected via a spring A (401), the placement plate (7) is located inside the movable chamber (5), and the bottom surface of the placement plate (7) and the bottom surface of the movable chamber (5) are connected via a plurality of springs A (401).

4. A fixture for punching holes in a mobile phone housing according to claim 3, characterized in that: A transmission cavity (8) is provided on the inner side of the groove (9), a rotating rod (403) is installed inside the transmission cavity (8), a touch rod (404) is fixedly installed on one end of the upper end surface of the rotating rod (403), the top end of the touch rod (404) extends to the surface of the top end of the push rod (405), the other end of the rotating rod (403) is connected to the upper end surface of the outer side of the placement plate (7) through the transmission rod (402), the position of the rotating rod (403) close to the transmission rod (402) is connected to the transmission cavity (8) through the rotating shaft A, and the two ends of the transmission rod (402) are connected to the rotating rod (403) and the placement plate (7) through the rotating shaft B.

5. The fixture for punching holes in a mobile phone housing according to claim 1, characterized in that: The moving mechanism (12) includes a threaded rod (1204), and the threaded rod (1204) is arranged on the upper and lower sides of the front and rear outer surface of one side of the side clamping plate (2) through a transverse groove (1203). The outer surface of the threaded rod (1204) is provided with a threaded plate (1202), and the threaded plate (1202) is fixedly connected to the outer surface of the clamping plate (6). The two threaded rods (1204) are connected by a connecting rod (1205), and the thread directions of each two threaded rods (1204) are opposite. The opposite sides of the outer surfaces of each two clamping plates (6) are fixedly connected with a rubber pad.

6. A fixture for punching holes in a mobile phone housing according to claim 5, characterized in that: A motor (1201) is installed behind the transverse groove (1203) through a motor cavity. The output end of the motor (1201) is fixedly connected to the rear end face of one of the threaded rods (1204) via a short shaft, and the front end face of the other threaded rod (1204) is rotatably connected to the inner wall of the transverse groove (1203) via a bearing.

7. A fixture for punching holes in a mobile phone housing according to claim 6, characterized in that: A PLC controller is installed inside the base (1), and the PLC controller is electrically connected to the pressure sensor A (11), the pressure sensor B (13) and the motor (1201).