CN220944028U - Automatic screw positioning device - Google Patents

Abstract

The utility model belongs to the technical field of positioning equipment, in particular to an automatic screw driving positioning device, which comprises a base; the lifting device comprises a base, a supporting plate, a fixing plate, a mounting groove, a limiting rod, a pressure spring, a positioning plate, a positioning bolt, a T-shaped clamping block, a motor, a screw rod, a shaft coupling, a lifting cylinder and a lifting cylinder, wherein the supporting plate is fixedly arranged at the other end of the base, the fixing plate is fixedly arranged at the top end of the supporting plate, the mounting groove is formed between the base and the fixing plate, the limiting rods are fixedly arranged at the two ends of the upper side and the lower side of the mounting groove, the limiting rods are respectively and slidably arranged in sliding holes, the pressure spring is respectively sleeved on the limiting rods, the positioning plate is slidably arranged at the outer side of the mounting groove, the positioning bolt is fixedly arranged at the outer side of the positioning plate, the T-shaped clamping block is fixedly arranged at the center of the inner side of the positioning plate, the motor is fixedly arranged at one side of the mounting groove, the screw rod is rotatably arranged in the mounting groove through a bearing, one end of the screw rod penetrates through the mounting groove, and is fixedly connected with the motor shaft through the shaft coupling; through this setting, can carry out a plurality of screw hole location to same work piece.

Description

Automatic screw positioning device

Technical Field

The utility model relates to the technical field of positioning equipment, in particular to an automatic screw driving positioning device.

Background

The automatic screw driving device is used for driving all screws at one time. The conveying, positioning, screw discharging and screw feeding of the products are completely and automatically completed by the equipment. The operator only needs to do simple operation: the product is put in front of the equipment, and the supply condition of the materials is checked regularly, so that the operation is greatly simplified, the working efficiency is improved, the screw driving time is shortened, and defective products and artificial bad products are prevented.

The positioning device generally comprises a positioner, a clamping device, a base and the like, a workpiece is placed on the base, the workpiece is positioned through the positioner, the workpiece is clamped through the clamping device after positioning, and the workpiece can be machined after being clamped and fixed.

At present, a plurality of screw holes on the same workpiece are required to be positioned for a plurality of times, errors are easy to occur during positioning, the screw punching precision is affected, and the workpiece is damaged; therefore, an automatic screw driving positioning device is provided for solving the problems.

Disclosure of utility model

In order to make up the defects of the prior art, a plurality of screw holes on the same workpiece are required to be screwed at present, errors are easy to occur during positioning, the screw screwing precision is affected, and the workpiece is damaged.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an automatic screw driving positioning device, which comprises a base; the other end of the base is fixedly provided with a supporting plate, the top end of the supporting plate is fixedly provided with a fixed plate, both sides of the fixed plate are respectively provided with a sliding hole, the base is also provided with a sliding hole at a position corresponding to the fixed plate, a mounting groove is arranged between the base and the fixed plate, both ends of the upper side and the lower side of the mounting groove are respectively fixedly provided with a limiting rod, the limiting rods are respectively and slidably arranged in the sliding holes, the limiting rods are respectively sheathed with a pressure spring, the outer side of the mounting groove is slidably provided with a positioning plate, the outer side of the positioning plate is fixedly provided with a positioning bolt, the center of the inner side of the positioning plate is fixedly provided with a T-shaped clamping block, one side of the mounting groove is fixedly provided with a motor, the screw rod is installed through bearing rotation in the mounting groove, screw rod one end runs through the mounting groove, and passes through shaft coupling fixed connection with the motor axis of rotation, base bottom fixed mounting has lift cylinder, lift cylinder piston shaft runs through the base, and front end and mounting groove bottom fixed connection, can fix a position the transverse position of work piece screw hole fast through setting up "T" type fixture block, can fix a position the work piece screw hole fast in vertical position through setting up lift cylinder, and both mutually support and can remove work piece screw hole axis to electric screwdriver axis coincidence fast.

The mounting groove is characterized in that long sliding holes are formed in the center and the upper portion of the mounting groove, the bottom end of the T-shaped clamping block is slidably mounted in the long sliding holes, the upper end of the T-shaped clamping block is slidably mounted at the bottom of the mounting groove, and the T-shaped clamping block is matched with the positioning plate to keep the stability of the positioning plate in the left-right sliding process.

Preferably, the connecting rod is fixedly arranged at the center of the upper part of the positioning plate, the sliding block is fixedly arranged at the top end of the connecting rod, the pointer is fixedly arranged at the upper part of the sliding block, the graduated scale is fixedly arranged on the mounting groove on one side of the pointer, the graduation of the central position of the graduated scale is zero, the two sides of the graduated scale are sequentially increased, and when the pointer moves to the zero position on the graduated scale, the positioning zero point is rapidly determined and is determined by observing the change of the graduation.

The device is characterized in that a supporting block is fixedly installed on the inner wall of the groove bottom of the installation groove, an installation hole is formed in the middle of the supporting block, a connecting rod is slidably installed in the installation hole, a trapezoidal stop block is fixedly installed at the upper end of the connecting rod, a trigger is arranged below the connecting rod, a limit spring is arranged between the trapezoidal stop block and the supporting block and sleeved on the connecting rod, the trigger is arranged by arranging the limit spring, when a pointer points to a scale on a graduated scale to be zero, the trigger is triggered, a motor is closed, the center position of the locating plate and the center position of the installation groove are on the same horizontal line, workpiece center location is completed, when the sliding block moves to be separated from the trapezoidal stop block, the limit spring pushes the trapezoidal stop block to rise, meanwhile, the bottom end of the connecting rod is separated from the trigger, and the triggering state is relieved.

Preferably, the baffle is welded to one end of the base, the pushing cylinder is fixedly arranged on the inner side of the baffle, the sliding cylinder is fixedly arranged at the front end of the pushing cylinder, two ends of the sliding cylinder are fixedly arranged on the base through supporting seats, supporting arms are fixedly arranged on one sides of the supporting seats, an electric screwdriver is slidably arranged on the sliding cylinder, one end of the electric screwdriver is fixedly connected with the front end of a piston rod of the pushing cylinder, the front end of the electric screwdriver is rotatably arranged on the supporting arms, an automatic feeding head is arranged on the sliding mounting, movable automatic feeding heads are arranged, and according to screws with different lengths, the electric screwdriver is pushed to a working position through the pushing cylinder.

Preferably, the bottom of the automatic feeding head is fixedly provided with a sliding rod, the other end of the sliding rod is slidably arranged on the supporting arm, and the sliding rod is arranged, so that the electric screwdriver keeps a straight line when pushing the automatic feeding head to move forward, and the automatic feeding head is prevented from shaking when screwing, and the screwing quality is prevented from being influenced.

The utility model has the advantages that:

1. According to the utility model, a workpiece is fixed on a positioning plate through positioning bolts, a motor is started, the center of the positioning plate is moved to the central axis of an electric screwdriver through the matching of a screw rod and a threaded hole on a T-shaped clamping block, the center of the workpiece is positioned, then the coordinates of the workpiece on the same vertical plane are determined according to the position of the center of the screw hole on the workpiece, the motor and a lifting cylinder are started, the lifting cylinder is matched with the T-shaped clamping block through the screw rod, the center of the screw hole is moved to the central axis of the electric screwdriver through the matching of the screw rod and the limiting rod, the structure design of screwing is realized, the function of rapid and accurate positioning is realized, the problems that a plurality of screw holes on the same workpiece need to be screwed at present, errors are easy to happen during positioning, the screwing precision is influenced, and the workpiece is damaged are solved, and the screwing efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view;

FIG. 2 is a schematic view of another perspective view;

FIG. 3 is a schematic view of a mounting groove structure;

FIG. 4 is a schematic diagram of a trigger structure of the trigger;

fig. 5 is a schematic structural view of the scale.

In the figure: 1. a base; 2. a mounting groove; 3. a graduated scale; 4. a motor; 5. a screw rod; 6. a slide block; 7. a trapezoidal stop; 8. a limit spring; 9. a connecting rod; 10. a trigger; 11. a connecting rod; 12. a pointer; 13. a positioning plate; 14. positioning bolts; 15. a pressure spring; 16. a limit rod; 17. a lifting cylinder; 18. a T-shaped clamping block; 19. automatic feeding heads; 20. a slide bar; 21. a slide cylinder; 22. the cylinder is propelled.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an automatic screw driving positioning device comprises a base 1; the lifting device is characterized in that a supporting plate is fixedly arranged at the other end of the base 1, a fixing plate is fixedly arranged at the top end of the supporting plate, sliding holes are formed in two sides of the fixing plate, sliding holes are formed in positions, corresponding to the fixing plate, of the base 1, a mounting groove 2 is formed between the base 1 and the fixing plate, a limiting rod 16 is fixedly arranged at two ends of the upper side and the lower side of the mounting groove 2, the limiting rod 16 is slidably arranged in the sliding holes, a pressure spring 15 is sleeved on the limiting rod 16, a positioning plate 13 is slidably arranged on the outer side of the mounting groove 2, a positioning bolt 14 is fixedly arranged on the outer side of the positioning plate 13, a T-shaped clamping block 18 is fixedly arranged at the center of the inner side of the positioning plate 13, a motor 4 is fixedly arranged on one side of the mounting groove 2, a threaded hole is formed in the side surface of the upper end of the T-shaped clamping block 18, a screw rod 5 is rotatably arranged in the mounting groove 2 through a bearing, one end of the screw rod 5 penetrates through the mounting groove 2 and is fixedly connected with the motor 4 through a shaft coupling, a lifting cylinder 17 is fixedly arranged at the bottom of the base 1, a piston shaft penetrates through the mounting groove 1, and the front end of the lifting cylinder 17 is fixedly connected with the bottom of the mounting groove 2; during operation, a plurality of screw holes on the same workpiece are required to be screwed at present, errors easily occur during positioning, screw screwing precision is affected, workpiece damage is caused, the workpiece is fixed on the positioning plate 13 through the positioning bolt 14, the motor 4 is started, the screw rod 5 is driven to be matched with the T-shaped clamping block 18, the positioning plate 13 is driven to move towards the center of the mounting groove 2 until the needle head of the pointer 12 points to the scale 3 to be zero, in the process, the connecting rod 11 drives the sliding block 6 to slide into the center of the long sliding hole, the sliding block 6 pushes the trapezoid stop block 7 to move downwards, the trapezoid stop block 7 pushes the connecting rod 9 to move downwards to be in contact with the trigger 10, the trapezoid stop block 7 compresses the limiting spring 8, the trigger 10 controls the motor 4 to be closed, the center point of the positioning workpiece is set, the trigger 10 is closed according to the screw blank position setting on the workpiece, the motor 4 and the lifting cylinder 17 are started, the motor 4 drives the positioning plate 13 to move left and right through the screw rod 5 until the needle head of the pointer 12 points to be zero on the scale 3, the lifting cylinder 17 pulls the limiting rod 16 to slide into the long sliding hole through the mounting groove 2, and the pressing spring 15 provides accurate positioning force through the compression spring 15, and the positioning spring is determined by the compression position of the positioning spring.

The center and the upper part of the mounting groove 2 are provided with long sliding holes, the bottom end of the T-shaped clamping block 18 is slidably arranged in the long sliding holes, and the upper end of the T-shaped clamping block is slidably arranged at the bottom of the mounting groove 2; when the positioning device works, the head of the T-shaped clamping block 18 and the positioning plate 13 form a limiting module, the mounting groove 2 enables the positioning plate 13 to stably move along the outer wall of the long sliding hole, and the positioning plate 13 is prevented from shaking, so that the positioning precision is prevented from being influenced.

The middle of the upper part of the positioning plate 13 is fixedly provided with a connecting rod 11, the top end of the connecting rod 11 is fixedly provided with a sliding block 6, the inner wall of the bottom of the mounting groove 2 is fixedly provided with a supporting block, the middle of the supporting block is provided with a mounting hole, a connecting rod 9 is slidably arranged in the mounting hole, the upper end of the connecting rod 9 is fixedly provided with a trapezoid stop block 7, the lower part of the connecting rod 9 is provided with a trigger 10, and a limiting spring 8 is arranged between the trapezoid stop block 7 and the supporting block and sleeved on the connecting rod 9; when the trigger device works, the connecting rod 11 drives the slide block 6 to slide in the long slide hole to the center of the long slide hole, the slide block 6 pushes the trapezoid stop block 7 to move downwards, the trapezoid stop block 7 pushes the connecting rod 9 to move downwards to contact the trigger 10 and trigger the trigger 10, and meanwhile, the trapezoid stop block 7 compresses the limit spring 8, and the trigger 10 controls the motor 4 to be closed.

The upper part of the sliding block 6 is fixedly provided with a pointer 12, a graduated scale 3 is fixedly arranged on a mounting groove 2 on one side of the pointer 12, the graduation of the central position of the graduated scale 3 is zero, and the two sides of the graduated scale are sequentially enlarged; when the electric screwdriver works, the sliding block 6 moves to the central position of the long sliding hole, the needle head of the pointer 12 points to the position of the scale 3, the scale is zero, the central position of the positioning plate 13 is determined to be on the central axis of the electric screwdriver, and the positioning of the central point is completed.

A baffle is welded at one end of the base 1, a pushing cylinder 22 is fixedly arranged at the inner side of the baffle, a sliding cylinder 21 is fixedly arranged at the front end of the pushing cylinder 22, two ends of the sliding cylinder 21 are fixedly arranged on the base 1 through supporting seats, a support arm is fixedly arranged at one side of each supporting seat, an electric screwdriver is slidably arranged on the sliding cylinder 21, one end of the electric screwdriver is fixedly connected with the front end of a piston rod of the pushing cylinder 22, the front end of the electric screwdriver is rotatably arranged on the support arm, and an automatic feeding head 19 is slidably arranged; when the automatic screw feeding device works, when a screw is driven to a workpiece, the pushing cylinder 22 is started to push the electric screw driver to slide in the sliding cylinder 21 towards the workpiece, the electric screw driver drives the automatic feeding head 19 to be in contact with the workpiece, the screw is fed to the top end of the electric screw driver through the automatic feeding head 19, the electric screw driver rotates, the screw is pushed to enter the screw hole to be installed, and the movable automatic feeding head 19 can move according to screws with different lengths.

A sliding rod 20 is fixedly arranged at the bottom of the automatic feeding head 19, and the other end of the sliding rod 20 is slidably arranged on the support arm; during operation, the automatic feeding head 19 is pushed to move forwards by the electric screwdriver to keep a straight line through the arrangement of the sliding rod 20, so that the automatic feeding head 19 is prevented from shaking when screwing, and the screwing quality is prevented from being influenced.

The working principle is that a plurality of screw holes on the same workpiece are driven to screw at present, a plurality of times of positioning is needed, errors are easy to happen during positioning, the screw driving precision is affected, the workpiece is damaged, the workpiece is fixed on a positioning plate 13 through a positioning bolt 14 to be positioned, a motor 4 is started, a screw rod 5 is driven to be matched with a T-shaped clamping block 18, the positioning plate 13 is driven to move towards the center of a mounting groove 2 until the needle head of a pointer 12 points to a scale 3 to be zero, in the process, a connecting rod 11 drives a slide block 6 to slide into the center of the long slide hole, the slide block 6 pushes a trapezoid stop 7 to move downwards, the trapezoid stop 7 pushes a connecting rod 9 to move downwards to be contacted with a trigger 10 and trigger the trigger, meanwhile, the trapezoid stop 7 compresses a limiting spring 8, the trigger 10 controls the motor 4 to be closed, the center point of the positioning workpiece is finished, and the position setting is carried out according to the screw blank position on the workpiece, the trigger 10 is closed, the motor 4 and the lifting cylinder 17 are started, the motor 4 drives the positioning plate 13 to move left and right through the screw rod 5, the lifting cylinder 17 drives the positioning plate 13 to move up and down, the lifting cylinder 17 pulls the limiting rod 16 to slide in the sliding hole through pulling the mounting groove 2, the pressure spring 15 is compressed, the height of the positioning plate 13 is determined through the reaction force provided by the pressure spring 15, a plurality of screw hole positions are precisely positioned, when a workpiece is screwed, the pushing cylinder 22 is started, the electric screw driver is pushed to slide in the sliding cylinder 21 to the workpiece, the electric screw driver drives the automatic feeding head 19 to contact with the workpiece, the screw is driven to move to the top end of the electric screw driver through the automatic feeding head 19, the electric screw driver is pushed to enter the screw hole for installation, the movable automatic feeding head 19 can move according to screws with different lengths, when the electric screwdriver pushes the automatic feeding head 19 to move forwards, the automatic feeding head 19 keeps straight line, so that the phenomenon that the automatic feeding head 19 shakes when screwing is conducted, the screwing quality is affected is avoided, the screwing steps are repeated for a plurality of times, screwing operation is completed, a workpiece is taken down, and a power supply is turned off.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. An automatic screw setting device, its characterized in that: comprises a base (1); the utility model discloses a lifting device for a lifting piston of a vehicle, including base (1), backup pad (1) other end fixed mounting has the backup pad, backup pad top fixed mounting has the fixed plate, and both sides all open on the fixed plate have the slide hole, and also open with the fixed plate corresponding position on base (1) has the slide hole, be provided with mounting groove (2) between base (1) and the fixed plate, the equal fixed mounting in both ends of both sides has gag lever post (16) about mounting groove (2), equal slidable mounting of gag lever post (16) is in the slide hole, all the cover is equipped with pressure spring (15) on gag lever post (16), mounting groove (2) outside sliding is provided with locating plate (13), locating plate (13) outside fixed mounting has locating bolt (14), locating plate (13) inboard central authorities fixed mounting has "T" type (18), mounting groove (2) one side fixed mounting has motor (4), it has the screw hole to open on the side of "T" type fixture block (18), install lead screw (5) through the bearing rotation in mounting groove (2), lead screw (5) one end runs through mounting groove (2) and shaft coupling (17) and bottom fixed connection cylinder (17), base (17) fixed mounting bottom.

2. An automatic screw driving positioning device according to claim 1, wherein: the center and the upper part of the mounting groove (2) are provided with long sliding holes, the bottom end of the T-shaped clamping block (18) is slidably arranged in the long sliding holes, and the upper end of the T-shaped clamping block is slidably arranged at the bottom of the mounting groove (2).

3. An automatic screw driving positioning device according to claim 2, wherein: connecting rod (11) is fixedly installed in locating plate (13) upper portion central authorities, connecting rod (11) top fixed mounting has slider (6), fixed mounting has the supporting shoe on the tank bottom inner wall of mounting groove (2), and the mounting hole is opened at the supporting shoe middle part, and connecting rod (9) are installed in the mounting hole in the slip, connecting rod (9) upper end fixed mounting has trapezoidal dog (7), connecting rod (9) below is provided with trigger (10), be provided with spacing spring (8) suit on connecting rod (9) between trapezoidal dog (7) and the supporting shoe.

4. An automatic screw driving positioning device according to claim 3, wherein: the pointer (12) is fixedly mounted on the upper portion of the sliding block (6), the graduated scale (3) is fixedly mounted on the mounting groove (2) on one side of the pointer (12), the graduation of the central position of the graduated scale (3) is zero, and two sides of the graduated scale are sequentially increased.

5. An automatic screw driving positioning device according to claim 2, wherein: the automatic feeding device is characterized in that a baffle is welded at one end of the base (1), a pushing cylinder (22) is fixedly arranged at the inner side of the baffle, a sliding cylinder (21) is fixedly arranged at the front end of the pushing cylinder (22), two ends of the sliding cylinder (21) are fixedly arranged on the base (1) through supporting seats, a supporting arm is fixedly arranged at one side of each supporting seat, an electric screwdriver is slidably arranged on one end of the sliding cylinder (21), the front end of a piston rod of the pushing cylinder (22) is fixedly connected with one end of the electric screwdriver, the front end of the electric screwdriver is rotatably arranged on the supporting arm, and an automatic feeding head (19) is slidably arranged.

6. An automatic screw driving positioning device according to claim 5, wherein: the bottom of the automatic feeding head (19) is fixedly provided with a sliding rod (20), and the other end of the sliding rod (20) is slidably arranged on the support arm.