CN216503348U - Screw locking device and production line - Google Patents

Abstract

The utility model discloses a screw locking device and a production line, wherein the screw locking device is used for locking screws on products and comprises: a traveling mechanism; the visual system is arranged on the walking mechanism and used for acquiring a position to be locked of a product; the locking mechanism is arranged on the travelling mechanism and comprises a clamping component for fixing a screw and electric screwdriver components for screwing the screw into each product to be locked at positions, and the electric screwdriver components are connected with the clamping component and used for driving the clamping component to rotate. According to the utility model, the positions to be locked on the product are obtained through the vision system, and the locking mechanism is driven by the traveling mechanism to move to the positions to be locked for locking, so that the problems of manual searching of the positions to be locked and inconsistent locking force caused by manual locking are avoided, the locking quality and the locking efficiency are improved, and the labor is saved.

Description

Screw locking device and production line

Technical Field

The utility model relates to the technical field of screw locking, in particular to a screw locking device and a production line.

Background

At present, the screw locking mainly depends on manual operation to lock the screw by utilizing an electric screwdriver or simple single-machine equipment to lock the screw, in addition, a human eye is required to find the position to be locked, and the position to be locked is required to be manually moved to lock the screw due to the fact that a plurality of positions to be locked on the same product are possibly arranged. On one hand, the manual operation has larger deviation, on the other hand, a large amount of manpower is consumed, and the locking efficiency is low.

Therefore, how to improve the locking quality and efficiency and save labor is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, the first objective of the present invention is to provide a screw locking device, which can improve the locking quality and efficiency and save labor.

A second object of the utility model is to provide a production line.

In order to achieve the first object, the present invention provides the following solutions:

a screw locking device for locking screws on a product comprises:

a traveling mechanism;

the visual system is arranged on the walking mechanism and used for acquiring a position to be locked of the product;

the locking mechanism is arranged on the travelling mechanism and comprises a clamping assembly for fixing a screw and an electric screwdriver assembly for screwing the screw into each to-be-locked position of the product, and the electric screwdriver assembly is connected with the clamping assembly and used for driving the clamping assembly to rotate.

In a particular embodiment, the vision system includes an image collector that acquires the position to be locked.

In another specific embodiment, the vision system further comprises a light source for illuminating the product.

In another specific embodiment, the light source is provided with a through hole;

the image collector is located above the light source, and the collecting end of the image collector is used for penetrating through the through hole to shoot.

In another specific embodiment, the vision system further comprises a height adjusting component which is arranged on the walking mechanism in a lifting way;

the light source is mounted on the height adjustment assembly.

In another specific embodiment, the height adjustment assembly comprises a height adjustment post and a locking block;

the locking block is arranged on the mounting plate of the image collector and is provided with a locking hole for allowing the height adjusting column to pass through;

the bottom of height control post with the light source is connected, the top of height control post is passed the locking hole can be dismantled through the retaining member and lock and be in on the latch segment.

In another specific embodiment, the screw locking device further comprises a control system;

the control system is in signal connection with the locking mechanism;

when the locking force of the screw is smaller than a preset locking value and the number of turns of the screw is equal to the preset number of turns, the control system displays that the screw is in a state of sliding teeth;

when the locking force of the screw is equal to the preset locking value and the number of turns of the screw is smaller than the preset number of turns, the control system displays that the screw is in a floating state;

and when the locking force of the screw is equal to the preset locking value and the number of rotation turns of the screw is equal to the preset number of turns, the control system displays that the screw is in a locking state.

In another specific embodiment, the walking mechanism comprises:

a travelling shaft laid along a direction parallel to the conveying direction of the product;

the robot can be installed on the walking shaft in a sliding mode, and the vision system and the locking mechanism are installed at the tail end of a mechanical arm of the robot.

In another specific embodiment, the screw locking device further comprises a screw feeder;

the screw feeder is used for providing screws for the locking mechanism and comprises a vibration disc and a screw sliding guide rail;

the export of vibration dish with the entry intercommunication of screw slide rail, the screw of vibration dish output along screw slide rail arranges in proper order.

The various embodiments according to the utility model can be combined as desired, and the embodiments obtained after these combinations are also within the scope of the utility model and are part of the specific embodiments of the utility model.

When the screw locking device disclosed by the utility model is used, the vision system acquires each position to be locked on a product, the walking mechanism drives the locking mechanism to sequentially move to each position to be locked, the clamping component of the locking mechanism clamps the screw, and the screwdriver component drives the screw to rotate so as to realize screw locking. According to the utility model, the positions to be locked on the product are obtained through the vision system, and the locking mechanism is driven by the traveling mechanism to move to the positions to be locked for locking, so that the problems of manual searching of the positions to be locked and inconsistent locking force caused by manual locking are avoided, the locking quality and the locking efficiency are improved, and the labor is saved.

In order to achieve the second object, the present invention provides the following solutions:

a production line comprising a screw locking device as claimed in any one of the preceding claims.

Since the production line provided by the utility model comprises the screw locking device in any one of the above items, the screw locking device has the beneficial effects that the production line disclosed by the utility model comprises.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without novelty work.

Fig. 1 is a schematic side view of a screw locking device according to the present invention;

FIG. 2 is a schematic three-dimensional view of another side view of the screw locking device of the present invention;

FIG. 3 is a schematic view of an assembly structure of the traveling mechanism, the vision system and the locking mechanism provided by the present invention;

FIG. 4 is a schematic view of an assembled configuration of a vision system and a locking mechanism provided by the present invention;

FIG. 5 is a schematic three-dimensional view of the vision system and locking mechanism of the present invention as assembled for use;

FIG. 6 is a schematic three-dimensional structure of a vision system provided by the present invention;

fig. 7 is a schematic three-dimensional structure diagram of the locking mechanism provided by the present invention.

Wherein, in fig. 1-7:

the device comprises a screw locking device 1000, a walking mechanism 100, a vision system 200, a locking mechanism 300, a clamping assembly 301, an electric screwdriver assembly 302, an image collector 201, a light source 202, a through hole 203, a height adjusting column 204, a locking block 205, a mounting plate 206, a control system 400, a display interface 401, a walking shaft 101, a robot 102, a tank chain 103, a screw feeder 500, a frame 600, a lifting support leg 601, a roller 602 and a shield 700.

Detailed Description

The technical solution in 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. The present invention may be embodied in many different forms and is not limited to the embodiments described in the present embodiment. The following detailed description is provided to facilitate a more thorough understanding of the present disclosure, wherein directional terms, such as those used below, are used solely to refer to the illustrated structure as it appears in the corresponding drawings.

It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Further, the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, elements, components, and/or groups thereof. The following description is of the preferred embodiment for carrying out the utility model, but is made for the purpose of illustrating the general principles of the utility model and not for the purpose of limiting the scope of the utility model. The scope of the present invention is defined by the appended claims.

As shown in fig. 1-2, in one aspect, the present invention provides a screw locking device 1000 for locking screws on a product, which can improve the locking quality and efficiency and save labor.

Specifically, the screw locking device 1000 is applied to screw locking of electronic products such as 3C industrial displays. It is understood that the use of the screw locking device 1000 in a display is only one embodiment of the present invention, and in practical applications, the screw locking device 1000 may be applied to other devices requiring screw locking.

The screw locking device 1000 includes a traveling mechanism 100, a vision system 200, and a locking mechanism 300. The traveling mechanism 100 can realize the movement of the space X, Y, Z in three directions, and the specific structure is not limited. Assuming that the height direction of the screw locking device 1000 is the Z direction, the length direction of the screw locking device 1000 is the X direction, and the width direction of the screw locking device 1000 is the Y direction, as shown in fig. 2.

Specifically, the traveling mechanism 100 includes a traveling shaft 101 and a robot 102, and as shown in fig. 3, the robot 102 may be a four-shaft robot, and a mechanical arm thereof can be lifted and lowered along the Z direction and can also be rotated along the Z axis.

The walking shaft 101 is laid along the conveying direction of the parallel products, the robot 102 can be installed on the walking shaft 101 in a sliding mode, and the vision system 200 and the locking mechanism 300 are installed at the tail end of the walking mechanism 100. In order to avoid damage caused by dragging of cables and the like when the walking mechanism 100 slides, the utility model discloses that the walking mechanism 100 can further comprise a tank chain 103, the cables of the robot are installed in the tank chain 103, and the motion direction of the tank chain 103 is the same as that of the robot.

It should be noted that the above-mentioned traveling mechanism 100 is only one embodiment of the present invention, and in practical applications, the traveling mechanism 100 may also be configured as another mechanism, for example, the traveling mechanism 100 may be configured by three sliding rails formed in an X direction, a Y direction and a Z direction, and it should be understood that the arrangement order of the three sliding rails is not limited, for example, the X-direction sliding rail may be laid at the bottom end, the Y-direction sliding rail may be vertically slidably laid on the X-direction sliding rail, and the Z-direction sliding rail may be vertically slidably laid on the Y axis. Of course, the traveling mechanism 100 may be a six-axis robot or the like.

The vision system 200 is mounted on the traveling mechanism 100 and is used for moving along with the traveling mechanism 100 to obtain the position to be locked of the product. In particular, the vision system 200 may be mounted at the end of a robotic arm of a robot.

The locking mechanism 300 is mounted on the traveling mechanism 100 and is used for moving along with the traveling mechanism 100 to lock screws at all positions to be locked on a product. Specifically, the latching mechanism 300 may be mounted at the end of a robotic arm of the robot.

The locking mechanism 300 includes a clamping assembly 301 and an electric screwdriver assembly 302, as shown in fig. 7. The electric screwdriver component 302 is connected with the clamping component 301 and is used for driving the clamping component 301 to rotate. The clamping component 301 is used for fixing screws, and the screwdriver component 302 is used for screwing the screws into the positions of products to be locked.

Specifically, the electric screwdriver assembly 302 includes an electric screwdriver, a screwdriver head and a driver, the driver is installed on the traveling mechanism 100, the driver is in transmission connection with the electric screwdriver, and the screwdriver head is located in a cavity of the electric screwdriver and is connected with the electric screwdriver.

The clamping assembly 301 may be of a vacuum suction type, and the clamping assembly 301 includes a vacuum generator, a suction nozzle, and a suction nozzle housing installed at a bottom end of the screwdriver. The suction nozzle is installed in the bottom of suction nozzle shell, and communicates with the inner chamber of suction nozzle shell. The vacuum generator is arranged on the side wall of the suction nozzle shell and is communicated with the inner cavity of the suction nozzle shell. The traveling mechanism 100 drives the locking mechanism 300 to integrally move to a station for supplying screws, so that the suction nozzle is positioned right above the screws, the vacuum generator is started, the suction nozzle sucks the screws, the bottom ends of the screwdriver bits are matched with the top nut groove shapes of the screws, and the screws can be driven to rotate; the driver drives the screw to tighten.

It should be noted that the clamping assembly 301 disclosed above is only one embodiment of the present invention, and in practical applications, the clamping assembly 301 may also be configured to be of other structures, for example, the clamping assembly 301 includes a clamping housing and a clamping member, the clamping housing is mounted at the bottom end of the screwdriver and covers the whole screwdriver head, the bottom end of the clamping housing is provided with an opening, the number of the clamping member is at least 2, the clamping member can be respectively installed at two sides of the opening of the clamping housing in a pulling manner, the two opposite sides of the 2 clamping members are respectively provided with a semicircular groove, when the 2 clamping members abut against each other, the two semicircular grooves on the 2 clamping members surround a circular hole, and the diameter of the circular hole is smaller than the outer diameter of the nut of the screw and larger than the outer diameter of the screw rod of the screw. When the screw is got to needs clamp, joint spare is in the state of opening for the nut of screw can pass the clearance between 2 joint spares, and then, 2 joint spares move to the direction that is close to each other, until contacting each other, make the screw rod of screw be located the round hole, realize the clamp of screw and get. Certainly, can understand the ground, also can set up 1 joint spare and can slide and install in the bottom of centre gripping casing, 1 joint spare in addition is fixed and is being added the bottom that holds the casing motionless.

In some embodiments, the screw locking device 1000 may further include a control system 400, the control system 400 is in signal connection with the locking mechanism 300, and specifically, the display interface 401 of the control system 400 is used for displaying the state of the screw. The control system 400 may also be used to set the torque of the screw lock attachment to ensure consistency of the screw lock attachment.

Specifically, the locking mechanism 300 further includes a sensor, and the control system 400 is in signal communication with the sensor. The sensor is installed in the electricity batch, can detect the number of turns and the torsion value of batch head screw-driving screw for the operator can know the state of screw at any time, so that the operator can in time handle.

When the locking force of the screw is smaller than the preset locking value and the number of rotation turns of the screw is equal to the preset number of turns, the display interface 401 displays that the screw is in a state of sliding teeth; when the locking force of the screw is equal to a preset locking value and the number of rotation turns of the screw is less than the preset number of turns, the display interface 401 displays that the screw is in a floating state; when the locking force of the screw is equal to the preset locking value and the number of turns of the screw is equal to the preset number of turns, the display interface 401 displays that the screw is in a locked state.

It can be understood that the preset locking value and the preset number of turns are determined according to the type of the screw used and the product to be locked, and are not limited to fixed values.

In some embodiments, as shown in fig. 4 to 6, the vision system 200 includes an image collector 201 for acquiring positions to be locked, where the image collector 201 can collect images containing target feature points, and acquire holes to be locked on products to be locked through coordinate transformation. Specifically, the image collector 201 may be a camera or a video camera or the like.

In order to facilitate clear image information, the utility model discloses that the vision system 200 may further comprise a light source 202 for illuminating the product, in particular, the light source 202 can illuminate all positions to be locked on the whole product.

Taking the image collector 201 as an example of a camera, the camera photographs two opposite corners of the product, and hole positions of screws to be locked on the product are calculated by using an algorithm.

Further, the utility model discloses that the light source 202 is provided with a through hole 203, the image collector 201 is positioned above the light source 202, and the collecting end of the image collector 201 is also used for shooting through the through hole 203. Preferably, the through hole 203 is opened in the center of the light source 202 to enable the image collector 201 to collect clear image information.

Specifically, the shape of the light source 202 is not limited, and may be a circular ring, a square, or the like.

In order to adjust the relative position of the image collector 201 and the light source 202, the utility model discloses that the vision system 200 further comprises a height adjusting component, the height adjusting component is arranged on the walking mechanism 100 in a lifting mode, and the light source 202 is arranged on the height adjusting component.

Further, the utility model specifically discloses that the height adjusting assembly comprises a height adjusting column 204 and locking blocks 205, as shown in fig. 6, the image collector 201 is fixed on the traveling mechanism 100 through a mounting plate 206, and the number of the locking blocks 205 is 2, and the locking blocks are respectively arranged on the mounting plate 206 and located at two sides of the image collector 201.

The locking block 205 is installed on the installation plate 206 of the image collector 201, and the locking block 205 is provided with a locking hole for allowing the height adjusting column 204 to pass through. The bottom end of the height adjusting column 204 is connected with the light source 202, and the top end of the height adjusting column 204 passes through the locking hole and is detachably locked on the locking block 205 through the locking piece. Specifically, offer the logical groove with the locking hole intercommunication on the latch segment 205, the retaining member is locking bolt, and locking bolt connects in latch segment 205 to adjust the width that leads to the groove, and then adjust the size in locking hole, thereby realize the locking of altitude mixture control post 204 or loosen.

It should be noted that the structure of the locking block 205 is not limited to the above structure, and a guide groove may be formed in the locking block 205 along the height of the locking block 205, the height adjusting column 204 may be slidably mounted in the guide groove, and the height adjusting column 204 is pressed and locked into the guide groove by a locking screw.

In order to further improve the automation of the height adjusting assembly, the height adjusting assembly is arranged to be an electric push rod, an air cylinder or a hydraulic cylinder and the like.

In some embodiments, the screw locking device 1000 further comprises a screw feeder 500, and the screw feeder 500 is used for supplying screws to the locking mechanism 300, thereby further improving the automation degree of the screw locking device 1000.

Specifically, the utility model discloses a screw feeder 500 comprising a vibration disk and screw sliding guide rails, wherein the outlet of the vibration disk is communicated with the inlet of the screw sliding guide rails, and screws output by the vibration disk are sequentially arranged along the screw sliding guide rails. The vibration dish is in proper order the screw on the conveyer belt screw slide rail, the screw is absorb to the lock of being convenient for and attaches mechanism 300.

In some embodiments, the screw locking device 1000 further includes a frame 600 and a shield 700, and the frame 600 may be formed by splicing sectional materials or by welding metal rods or the like. In order to facilitate the overall movement and height adjustment of the rack 600, the utility model discloses that the bottom end of the rack 600 is simultaneously provided with a lifting support leg and a roller 602, and when the lifting support leg 601 is lifted, the roller 602 is in contact with the ground, so that the rack 600 can be moved. When moving into position, the liftable legs 601 descend so that the rollers 602 are above the ground. Specifically, the liftable supporting legs 601 may be anchor bolts or L-shaped plates, the L-shaped plates are provided with strip holes along the height direction of the rack 600, and the L-shaped plates are connected with the rack 600 through bolts.

The traveling mechanism 100 and the shield 700 are both mounted on the frame 600, and the shield 700 encloses both ends of the traveling mechanism 100 and the side away from the product conveying direction. The shield 700 is provided with a transparent viewing window for easy viewing.

The control system 400 is mounted on the shroud 700 at the end facing away from the travel mechanism 100.

When the screw locking device 1000 disclosed by the utility model is used, the vision system 200 acquires each position to be locked on a product, the traveling mechanism 100 drives the locking mechanism 300 to sequentially move to each position to be locked, the clamping component 301 of the locking mechanism 300 clamps screws, and the screwdriver component 302 drives the screws to rotate so as to realize screw locking. According to the utility model, each position to be locked on the product is obtained through the vision system 200, and the walking mechanism 100 drives the locking mechanism 300 to move to each position to be locked for locking, so that the problem of inconsistent locking force caused by manually searching the position to be locked and manually locking is avoided, the locking quality and the locking efficiency are improved, and the labor is saved.

Another aspect of the present invention provides a production line including the screw locking device 1000 according to any one of the above embodiments.

Conveying is realized between each station on the production line through conveying lines such as a conveying belt, and the production efficiency is improved.

Since the production line provided by the present invention includes any one of the above screw locking devices 1000, the screw locking device 1000 has the beneficial effects that the production line disclosed by the present invention includes.

It should be noted that the terms indicating the orientation in the present document, such as upper and lower, are set in the direction of fig. 1 in the specification, and are not intended to have other specific meanings for convenience of description.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. A screw locking device (1000) for locking a screw on a product (800), comprising:

a traveling mechanism (100);

a vision system (200) mounted on the walking mechanism (100), the vision system (200) being used for acquiring a position to be locked of the product (800);

install locking mechanism (300) on running gear (100), locking mechanism (300) are including the centre gripping subassembly (301) that are used for the fixed screw and will the screw in each electricity of product (800) is criticized subassembly (302) of waiting to lock the position department, electricity criticize subassembly (302) with centre gripping subassembly (301) are connected for drive centre gripping subassembly (301) rotate.

2. A lock screw device (1000) according to claim 1, wherein the vision system (200) comprises an image collector (201) for acquiring the position to be locked.

3. A lock screw device (1000) according to claim 2, wherein the vision system (200) further comprises a light source (202) for illuminating the product (800).

4. The screw locking device (1000) according to claim 3, wherein the light source (202) is provided with a through hole (203);

the image collector (201) is located above the light source (202), and the collecting end of the image collector (201) is also used for shooting through the through hole (203).

5. A lock screw device (1000) according to claim 3, wherein said vision system (200) further comprises a height adjustment assembly liftably mounted on said travelling mechanism (100);

the light source (202) is mounted on the height adjustment assembly.

6. The lock screw device (1000) of claim 5, wherein said height adjustment assembly comprises a height adjustment post (204) and a locking block (205);

the locking block (205) is arranged on the mounting plate (206) of the image collector (201), and a locking hole allowing the height adjusting column (204) to pass through is formed in the locking block (205);

the bottom end of the height adjusting column (204) is connected with the light source (202), and the top end of the height adjusting column (204) penetrates through the locking hole and is detachably locked on the locking block (205) through a locking piece.

7. The lock screw device (1000) according to claim 1, further comprising a control system (400);

the control system (400) is in signal connection with the locking mechanism (300);

when the locking force of the screw is smaller than a preset locking value and the number of turns of the screw is equal to the preset number of turns, the control system (400) displays that the screw is in a state of sliding teeth;

when the locking force of the screw is equal to the preset locking value and the number of turns of the screw is smaller than the preset number of turns, the control system (400) displays that the screw is in a floating state;

and when the locking force of the screw is equal to the preset locking value and the number of rotation turns of the screw is equal to the preset number of turns, the control system (400) displays that the screw is in a locking state.

8. The lock screw device (1000) according to claim 1, wherein the travelling mechanism (100) comprises:

a travelling shaft (101), said travelling shaft (101) being laid along a direction parallel to the transport direction of said product (800);

the robot (102), the robot (102) can be installed on the walking shaft (101) in a sliding mode, and the vision system (200) and the locking mechanism (300) are installed at the tail end of a mechanical arm of the robot (102).

9. The screw locking device (1000) according to any one of claims 1 to 8, further comprising a screw feeder (500),

the screw feeding machine (500) is used for providing screws for the locking mechanism (300), and the screw feeding machine (500) comprises a vibration disc and a screw sliding guide rail;

the export of vibration dish with the entry intercommunication of screw slide rail, the screw of vibration dish output along screw slide rail arranges in proper order.

10. A production line, characterized by comprising a lock screw device (1000) according to any one of claims 1-9.

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