Portable screw locking device

Abstract

The utility model discloses a portable screw locking device which comprises a mounting plate, and a first linear rail is arranged on one side of the mounting plate in the vertical direction. The screw locking mechanism comprises a linear rail sliding block, a first sliding seat, an electric screwdriver and a screwdriver head; the linear rail sliding block is arranged on the first linear rail in a sliding manner; the first sliding seat comprises a connecting vertical plate installed on the linear rail sliding block and a connecting transverse plate connected to the lower portion of one side of the connecting vertical plate. A receding through hole is formed in the connecting transverse plate, the electric screwdriver is installed on the connecting transverse plate, and an output shaft of the electric screwdriver penetrates through the receding through hole. The stroke-adjustable pen-shaped air cylinder with the air buffering function is replaced, so that some structural parts are saved, the whole device is lighter and more convenient, meanwhile, a spring buffering structure is arranged to cope with downward pressure of different screws, and the screw locking efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic technology field especially relates to a portable screw locking device. BACKGROUND

[0002] The existing screw locking structure needs to be adjusted by the limiting block, and the cylinder itself does not have a buffer, so a hydraulic buffer must be installed to achieve the buffering effect, resulting in more parts and heavier overall quality of the hanging part, which further slows down the overall efficiency of the machine. At the same time, the force of the cylinder needs to be adjusted through the pressure regulating valve to control the downward pressure on the screw. Because different sizes of screws and fluctuations in air pressure must be adjusted to ensure the stability of the downward pressure on the screw, the stability and precision of the screw locking are achieved. SUMMARY

[0003] The utility model discloses a portable screw locking device, which replaces a pen-type cylinder with adjustable stroke and air buffer to save some structural parts, making the device more portable. At the same time, a spring buffer structure is provided to cope with the downward pressure of different screws and improve the efficiency of screw locking.

[0004] To achieve the above-mentioned purpose, the following technical solutions are adopted:

[0005] A portable screw locking device includes

[0006] A mounting plate has a first linear rail arranged vertically on one side.

[0007] A screw locking mechanism includes a linear rail slider, a first sliding seat, an electric screwdriver, and a screwdriver bit. The linear rail slider is slidably arranged on the first linear rail. The first sliding seat includes a connecting vertical plate mounted on the linear rail slider and a connecting horizontal plate connected to the lower part of one side of the connecting vertical plate. The connecting horizontal plate has an avoidance hole, and the electric screwdriver is mounted on the connecting horizontal plate with its output shaft passing through the avoidance hole. The lower part of one side of the mounting plate is connected to a fixed horizontal plate at one end of the first linear rail, and the bottom of the fixed horizontal plate is mounted with a suction nozzle.

[0008] A downward pushing mechanism includes a first fixed block, a pen-type cylinder, a downward pushing rod, and a downward connecting block. The first fixed block is connected to the upper part of one side of the mounting plate, and the pen-type cylinder is mounted on the first fixed block. The downward connecting block is connected to one side of the connecting horizontal plate. One end of the downward pushing rod is connected to the output shaft of the pen-type cylinder, and the other end of the downward pushing rod is connected to the downward connecting block.

[0009] Further, the fixed transverse plate is provided with a first mounting hole, and a connecting sleeve is mounted in the first mounting hole; the suction nozzle head is mounted on the connecting sleeve; the other end of the batch head is movably inserted into the suction nozzle head after penetrating through the connecting sleeve.

[0010] Further, the first linear rail is further provided with a linear rail clamping block above the linear rail slider; and one end of the first fixed block is connected to the linear rail clamping block.

[0011] Further, one end of the lower pressing rod is connected with a first limiting block, and the output shaft of the pen type cylinder is connected with the first limiting block; the other end of the lower pressing rod is movably arranged through a lower pressing connecting block, and the other end of the lower pressing rod is further connected with a second limiting block; a first spring is further sleeved on the lower pressing rod, and the two ends of the first spring are respectively abutted with the bottom of the first limiting block and the top of the lower pressing connecting block.

[0012] Further, the top of the second limiting block is further provided with a buffer pad.

[0013] Further, the portable screw locking device further comprises two first vertical columns; the two first vertical columns are arranged in parallel and at intervals, and a first cross beam is connected between the upper portions of the two first vertical columns; an X-axis translation mechanism is further mounted on the first cross beam, and the X-axis translation mechanism is further drivingly connected with a first translation seat; a Z-axis lifting mechanism is further mounted on the first translation seat, and a mounting plate is connected with the Z-axis lifting mechanism.

[0014] Further, the Z-axis lifting mechanism comprises a first motor, a driving wheel, a driven wheel, a synchronous belt, a first sliding block and a first connecting seat; a first cavity is formed in one side of the first translation seat; the first motor is mounted on the upper portion of the other side of the first translation seat, and the output shaft of the first motor is arranged in the first cavity; the driving wheel is mounted on the output shaft of the first motor, and the driven wheel is mounted on the lower portion in the first cavity; the synchronous belt is wound between the driving wheel and the driven wheel; a guide sliding rail is arranged on each of the two sides in the first cavity in the vertical direction, and the first sliding block is slidingly arranged on the guide sliding rail; the first connecting seat is mounted on the first sliding block, and a fixed clamp is further mounted in the first connecting seat; the synchronous belt is arranged through the first connecting seat, and one side of the synchronous belt is connected with the fixed clamp; and the mounting plate is mounted on the first connecting seat.

[0015] Further, a slot type photoelectric switch is further mounted on the upper portion and the lower portion in the first cavity, and a sensing sheet cooperating with the slot type photoelectric switch is further mounted on the first connecting seat.

[0016] By adopting the above scheme, the beneficial effects of the utility model are as follows:

[0017] The utility model discloses a pen type cylinder with adjustable stroke and air buffer is used to save some structural members, so that the device is more portable, and the spring buffer structure is arranged to cope with the pressure of different screws, and the device has high versatility. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a local structure schematic diagram of the utility model;

[0019] Figure 2 It is Figure 1 the explosion map;

[0020] Figure 3 It is a whole structure schematic diagram of the utility model;

[0021] Figure 4 It is the explosion map of Z axis lifting mechanism of the utility model;

[0022] Among them, the drawing mark explanation is as follows:

[0023] 1, mounting plate, 2, lock screw mechanism, 3, press down and advance mechanism, 4, first stand, 5, first crossbeam, 6, X axis translation mechanism, 7, first translation seat, 8, Z axis lifting mechanism, 11, first line rail, 21, line rail clamping block, 22, first sliding seat, 23, electric screwdriver, 24, screwdriver head, 25, fixed cross plate, 26, suction nozzle head, 31, first fixed block, 32, pen type cylinder, 33, press down rod, 34, press down connecting block, 35, connecting sleeve, 36, first limit block, 37, second limit block, 38, first spring, 39, buffer pad, 81, first motor, 82, driving wheel, 83, driven wheel, 84, guide slide rail, 85, first sliding block, 86, first connecting seat, 87, fixed clamp, 88, slot photoelectric switch, 89, inductive sheet. DETAILED DESCRIPTION

[0024] The utility model is described in detail in connection with the drawings and specific embodiment.

[0025] Referring to Figures 1 to 4 As shown in the utility model provides a kind of portable screw locking device, and an embodiment includes mounting plate 1, and the first line rail 11 is arranged in vertical direction in one side of mounting plate 1;

[0026] The screw locking mechanism 2 comprises a line rail slider, a first sliding seat 22, an electric screwdriver 23, and a screwdriver bit 24. The line rail slider is arranged on the first line rail 11 in a sliding manner. The first sliding seat 22 comprises a connecting vertical plate mounted on the line rail slider, and a connecting horizontal plate connected to the lower part of one side of the connecting vertical plate. The connecting horizontal plate is provided with an avoiding hole, the electric screwdriver 23 is mounted on the connecting horizontal plate, and the output shaft of the electric screwdriver 23 is arranged through the avoiding hole. The lower part of one side of the mounting plate 1 is further connected with a fixed horizontal plate 25 at one end of the first line rail 11, and the bottom of the fixed horizontal plate 25 is further provided with a suction nozzle head 26. One end of the screwdriver bit 24 is connected with the output shaft of the electric screwdriver 23, and the other end of the screwdriver bit 24 is arranged by being movably inserted into the suction nozzle head 26 through the fixed horizontal plate 25.

[0027] The down pushing mechanism 3 comprises a first fixed block 31, a pen type cylinder 32, a down pushing rod 33, and a down pushing connecting block 34. The first fixed block 31 is connected to the upper part of one side of the mounting plate 1, and the pen type cylinder 32 is mounted on the first fixed block 31. The down pushing connecting block 34 is connected to one side of the connecting horizontal plate. One end of the down pushing rod 33 is connected with the output shaft of the pen type cylinder 32, and the other end of the down pushing rod 33 is connected with the down pushing connecting block 34.

[0028] Continuing to refer to Figures 1 to 4 In this embodiment, the pen type cylinder 32 is a cylinder with adjustable stroke and air buffer, so as to save some structural members. Specifically, the down to position is completed by adjusting the limit of the pen type cylinder 32 (which is usually completed by a limit block and a screw rod), and the limit block and the screw rod are saved. Meanwhile, the hydraulic buffer for the up to position is also saved by the air buffer of the cylinder.

[0029] In addition, the first line rail 11 is further provided with a line rail clamping block 21 above the line rail slider, and one end of the first fixed block 31 is connected to the line rail clamping block 21. The up to position of the cylinder is changed by adjusting the line rail clamping block 21, so as to be suitable for different lengths of the screwdriver bit 24 and the suction nozzle head 26. Meanwhile, in this embodiment, one end of the down pushing rod 33 is connected with a first limit block 36, and the output shaft of the pen type cylinder 32 is connected with the first limit block 36. The other end of the down pushing rod 33 is arranged by movably penetrating through the down pushing connecting block 34, and the other end of the down pushing rod 33 is further connected with a second limit block 37. The down pushing rod 33 is further sleeved with a first spring 38, and the two ends of the first spring 38 are respectively abutted with the bottom of the first limit block 36 and the top of the down pushing connecting block 34.

[0030] In this embodiment, a spring buffer structure is added to ensure that the screw is pressed by different forces, wherein the force of the cylinder can be fixed, when the force of the cylinder is greater than the pressing force, the first spring 38 is compressed; and when the screw feeding speed is faster than the pressing of the pen-type cylinder 32, the first spring 38 is reset. The above two actions, the first spring 38 can accurately respond in real time, and can repeatedly perform the action multiple times, while reducing the weight of the mounting plate 1 (a plurality of hollow holes are provided on the mounting plate 1) without affecting stability. Overall, the total weight is reduced by 25%, which greatly improves the efficiency of the machine.

[0031] In an embodiment, the fixed horizontal plate 25 is provided with a first mounting hole, and a connecting sleeve 35 is further installed in the first mounting hole; the suction nozzle head 26 is installed on the connecting sleeve 35; the other end of the batch head 24 is movably inserted into the suction nozzle head 26 after passing through the connecting sleeve 35; and the top of the second limiting block 37 is further provided with a buffer pad 39. The batch head 24 can move up and down and rotate relative to the connecting sleeve 35 to perform the screw locking action, and the top of the second limiting block 37 is further provided with a buffer pad 39 to buffer the pressing force of the first spring 38 on the pressing connecting block 34 when the first spring 38 is reset.

[0032] In an embodiment, the light screw locking device further comprises two first vertical columns 4; the two first vertical columns 4 are arranged in parallel and spaced apart, and a first horizontal beam 5 is connected between the upper portions of the two first vertical columns 4; the first horizontal beam 5 is further provided with an X-axis translation mechanism 6, and the X-axis translation mechanism 6 is further driven to be connected with a first translation seat 7; the first translation seat 7 is further provided with a Z-axis lifting mechanism 8, and the mounting plate 1 is connected with the Z-axis lifting mechanism 8. The X-axis translation mechanism 6 and the Z-axis lifting mechanism 8 adopt a closed loop stepping drive mode with a synchronous belt (for details, refer to the description of the Z-axis lifting mechanism 8 below), and the synchronous belt of all shafts uses S3M specification, the synchronous wheel uses 25 teeth, the lead is equivalent to 75MM, and the highest speed of the device can reach 1000mm / s, which is high in working efficiency.

[0033] The Z-axis lifting mechanism 8 comprises a first motor 81, a driving wheel 82, a driven wheel 83, a synchronous belt, a first sliding block 85, and a first connecting seat 86. The first translational seat 7 is provided with a first cavity on one side. The first motor 81 is installed on the upper portion of the other side of the first translational seat 7, and the output shaft of the first motor 81 is arranged in the first cavity. The driving wheel 82 is installed on the output shaft of the first motor 81, and the driven wheel 83 is installed on the lower portion in the first cavity. The synchronous belt is wound between the driving wheel 82 and the driven wheel 83. Two guide rails 84 are arranged on the two sides in the first cavity in the vertical direction, and the first sliding block 85 is slidingly arranged on the guide rails 84. The first connecting seat 86 is installed on the first sliding block 85, and a fixed clamp 87 is further installed in the first connecting seat 86. The synchronous belt passes through the first connecting seat 86, and one side of the synchronous belt is connected with the fixed clamp 87. The mounting plate 1 is installed on the first connecting seat 86.

[0034] The fixed clamp 87 is provided with a clamping groove, and one side of the synchronous belt is connected with the fixed clamp 87 through the clamping groove. Under the driving of the first motor 81, the first connecting seat 86 can be moved through the driving wheel 82, the synchronous belt, and the driven wheel 83, and the mounting plate 1 can be moved up and down, so that the electric screwdriver 23 can lock the screws of the product. In order to improve the safety of the operation of the electric screwdriver 23, the upper portion and the lower portion in the first cavity are further provided with groove photoelectric switches 88, and the first connecting seat 86 is further provided with sensing sheets 89 which are used in cooperation with the groove photoelectric switches 88.

[0035] The above is only a preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A portable screw locking device, characterized in that, Comprising a mounting plate, one side of the mounting plate being arranged with a first wire rail in a vertical direction; a lock screw mechanism, the lock screw mechanism comprising a wire rail slider, a first sliding seat, an electric screwdriver, a screwdriver bit; the wire rail slider is slidingly arranged on the first wire rail; the first sliding seat comprises a connecting vertical plate mounted on the wire rail slider, and a connecting horizontal plate connected to the lower part of one side of the connecting vertical plate; the connecting horizontal plate is provided with an avoidance through hole, the electric screwdriver is mounted on the connecting horizontal plate, and the output shaft of the electric screwdriver passes through the avoidance through hole; the lower part of one side of the mounting plate is further connected with a fixed horizontal plate at one end of the first wire rail, and the bottom of the fixed horizontal plate is further provided with a suction nozzle head; one end of the screwdriver bit is connected with the output shaft of the electric screwdriver, and the other end of the screwdriver bit is movably inserted into the suction nozzle head after passing through the fixed horizontal plate; a downward pushing mechanism, the downward pushing mechanism comprising a first fixed block, a pen type cylinder, a downward pushing rod, a downward pushing connecting block; the first fixed block is connected to the upper part of one side of the mounting plate, and the pen type cylinder is mounted on the first fixed block; the downward pushing connecting block is connected to one side of the connecting horizontal plate; one end of the downward pushing rod is connected with the output shaft of the pen type cylinder, and the other end of the downward pushing rod is connected with the downward pushing connecting block.

2. A portable screw locking device according to claim 1, wherein The fixed horizontal plate is provided with a first mounting hole, and a connecting sleeve is further mounted in the first mounting hole; the suction nozzle head is mounted on the connecting sleeve; the other end of the screwdriver bit is movably inserted into the suction nozzle head after passing through the connecting sleeve.

3. The portable screw locking device of claim 1, wherein A wire rail clamping block is further mounted on the first wire rail, and the wire rail clamping block is located above the wire rail slider; one end of the first fixed block is connected to the wire rail clamping block.

4. The portable screw locking device of claim 1, wherein One end of the downward pushing rod is connected with a first limiting block, and the output shaft of the pen type cylinder is connected with the first limiting block; the other end of the downward pushing rod passes through the downward pushing connecting block, and the other end of the downward pushing rod is further connected with a second limiting block; a first spring is further sleeved on the downward pushing rod, and the two ends of the first spring are respectively abutted with the bottom of the first limiting block and the top of the downward pushing connecting block.

5. A portable screw locking device according to claim 4, wherein The top of the second limiting block is further provided with a buffer pad.

6. The portable screw locking device of claim 1, wherein The portable lock screw device further comprises two first vertical columns; the two first vertical columns are arranged in parallel and spaced apart, and a first horizontal beam is connected between the upper parts of the two first vertical columns; an X-axis translation mechanism is further mounted on the first horizontal beam, and the X-axis translation mechanism is further drivingly connected with a first translation seat; a Z-axis lifting mechanism is further mounted on the first translation seat, and the mounting plate is connected with the Z-axis lifting mechanism.

7. A portable screw locking device according to claim 6, wherein The Z-axis lifting mechanism comprises a first motor, a driving wheel, a driven wheel, a synchronous belt, a first sliding block and a first connecting seat; a first accommodating cavity is formed in one side of the first translation seat; the first motor is installed on the upper portion of the other side of the first translation seat, and the output shaft of the first motor is inserted into the first accommodating cavity; the driving wheel is installed on the output shaft of the first motor, and the driven wheel is installed on the lower portion in the first accommodating cavity; the synchronous belt is wound between the driving wheel and the driven wheel; two guide sliding rails are arranged on the two sides in the first accommodating cavity along the vertical direction, and the first sliding block is slidingly arranged on the guide sliding rails; the first connecting seat is installed on the first sliding block, and a fixing clamp is further installed in the first connecting seat; the synchronous belt passes through the first connecting seat, and one side of the synchronous belt is connected with the fixing clamp; and the mounting plate is installed on the first connecting seat.

8. A portable screw locking device according to claim 7, wherein Groove photoelectric switches are further installed on the upper portion and the lower portion in the first accommodating cavity, and sensing sheets matched with the groove photoelectric switches are further installed on the first connecting seat.

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