CN217254306U

CN217254306U - Frock convenient to twist dress screw

Info

Publication number: CN217254306U
Application number: CN202220590163.XU
Authority: CN
Inventors: 鲁虹舒
Original assignee: Jiaxing Yirui Electronics Co ltd
Current assignee: Jiaxing Yirui Electronics Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-08-23
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses a tool convenient for screwing and installing screws, which comprises a base, wherein a door-shaped bracket is arranged on the base, a first air cylinder is fixed on a cross beam of the bracket, and a movable frame is fixed at the bottom of an air cylinder rod of the first air cylinder; the guide rods on two sides of the U-shaped positioning piece are movably arranged on a cross beam of the bracket, and a first spring is sleeved on each guide rod; a convex positioning surface is arranged in the middle of the positioning end, and a positioning hole is formed in the positioning surface; the two ends of the movable frame are sleeved on the guide rods and can move up and down along the guide rods; the movable frame is fixedly provided with a screw machine body, the bottom end of the screw machine body is fixedly provided with a screwdriver head, and the screwdriver head and the positioning hole are positioned on the same straight line. The utility model utilizes the movable frame which can move up and down to drive the screw machine body, thereby ensuring the installation precision of the screw; the positioning hole in the U-shaped positioning piece can facilitate a user to quickly align the position of the threaded hole, and the assembly efficiency and the assembly quality of the screw are greatly improved.

Description

Frock convenient to twist dress screw

Technical Field

The utility model relates to a screw assembly technical field, in particular to frock convenient to twist dress screw.

Background

At present, in the manufacturing industries of various electronic, motor, mechanical hardware, toy, computer peripheral products and the like, the combination and fixation of workpieces are often completed by locking screws, so that the screws play an indispensable role in daily life and industry and are widely applied to various fields.

In a traditional screw locking mode of a workpiece, a worker often holds an electric screwdriver or a pneumatic screwdriver in a hand and manually puts screws into screw hole positions and then carries out locking operation. Obviously, such operations are cumbersome and inefficient. After the electric screwdriver and the screwdriver are held for a long time, workers can lose force, so that the screwed screws can be skewed and deviated, the final quality of finished products is affected, and the defective rate is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a frock convenient to twist dress screw, labour saving and time saving guarantees the installation accuracy of screw, reduces the defective percentage.

Therefore, the technical scheme of the utility model is that: a tool convenient for screwing and installing screws comprises a base, wherein a door-shaped support is arranged on the base, a first air cylinder is fixed on a cross beam of the support, and a moving frame is fixed at the bottom of an air cylinder rod of the first air cylinder; the U-shaped positioning piece comprises guide rods on two sides and a positioning end in the middle, the guide rods are movably arranged on a cross beam of the support, and first springs are sleeved on the guide rods; a positioning surface protruding towards one side of the base is arranged in the middle of the positioning end, and a positioning hole is formed in the positioning surface; the two ends of the moving frame are sleeved on the guide rods and can move up and down along the guide rods; a screw machine body is fixed on the movable frame, a screw driver head is fixed at the bottom end of the screw machine body, and the screw driver head and the positioning hole are located on the same line.

When the device is used, a handheld pneumatic screw machine or an electric screw machine is arranged on the movable frame, a workpiece to be screwed is placed on the workbench of the base, the U-shaped positioning piece is pressed on the workpiece under the action of the first spring, and the position of the workpiece is adjusted so that the threaded hole is just positioned in the middle of the positioning hole; then the first air cylinder pushes the movable frame to move downwards, so that the screw machine body moves downwards, the screwdriver head and the positioning hole are located on the same straight line, and the screwdriver head moves downwards and then just extends into the threaded hole, so that screws are quickly screwed. After the screws are screwed, the first cylinder drives the screw machine body to move upwards, then the U-shaped positioning piece is lifted upwards, the workpiece is moved, the next threaded hole is moved into the positioning hole, and the next screw assembly is continued.

The screw machine body is arranged on the moving frame, the first air cylinder is utilized to drive the screw machine body to move up and down, the worker is prevented from falling off the screw machine body after being held by hands for a long time, and the screw machine body is kept in a vertical state, so that the verticality of screw assembly is guaranteed; the U-shaped positioning piece is acted by the first spring and can be propped against the workpiece, so that the workpiece is fixed. In the initial state, the screwdriver head of the screw machine body has a certain distance from the workpiece, and the threaded hole of the workpiece is not easily aligned with the screwdriver head, so that the positioning hole is formed in the U-shaped positioning piece, the threaded hole of the workpiece can be quickly aligned with the screwdriver head, and the dislocation problem is avoided.

Preferably, the movable frame is provided with two L-shaped clamping pieces, and the L-shaped clamping pieces are used for fixing the screw machine body; the front side of the moving frame is provided with two sliding grooves, the inner end of the L-shaped clamping piece is arranged in the sliding grooves, a second spring is arranged in the sliding grooves, one end of the second spring abuts against the end part of the sliding grooves, and the other end of the second spring abuts against the L-shaped clamping piece. The movable frame is provided with the openable L-shaped clamping piece, so that the screw machine bodies with different specifications can be fixed, and the application range is greatly expanded.

Preferably, the guide bar is vertically arranged, a convex stop block is arranged on the guide bar, the first spring is sleeved on the guide bar, one end of the first spring is abutted against the stop block, and the other end of the first spring is abutted against the cross beam of the support. The first spring gives a downward force to the guide rod through the stop block, so that the positioning surface can be abutted to the workpiece to fix the position of the workpiece.

Preferably, a workbench is arranged on the base, and the positioning surface of the U-shaped positioning piece is abutted to the table surface of the workbench. The positioning dies with different specifications can be placed on the workbench of the base according to the shape of the workpiece, so that the smooth workpiece cannot be placed conveniently for use.

Preferably, the diameter of the positioning hole on the U-shaped positioning piece is larger than the outer diameter of the screwdriver head. The positioning hole is slightly larger than the screwdriver head and the screw, so that the normal screwing and installing of the screw by the screwdriver head cannot be interfered.

Preferably, a second through hole is formed in the middle of the cross beam of the support, and a cylinder rod of the first cylinder penetrates through the second through hole to be fixedly connected with the moving frame; third through holes are symmetrically formed in two sides of the second through hole, two guide rods are arranged in the third through holes, and limiting blocks are arranged at the tops of the guide rods.

Compared with the prior art, the beneficial effects of the utility model are that: the screw machine body is driven by the movable frame capable of moving up and down, so that the screw machine body is always kept in a vertical state, and the mounting precision of screws is ensured; the U-shaped positioning piece can play a fixing role on a workpiece, and is provided with a positioning hole which is positioned on the same straight line with the screwdriver head, so that a user can conveniently and quickly align the position of the threaded hole, and the assembly efficiency and the assembly quality of the screw are greatly improved.

Drawings

The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention

Fig. 1 is a schematic structural view of the present invention;

FIGS. 2 to 4 are views showing the respective working states of the present invention;

fig. 5 is a sectional view of the movable frame of the present invention.

Labeled in the figure as: the screw driver comprises a base 1, a workbench 11, a door-shaped support 2, a cross beam 21, a first air cylinder 3, an air cylinder rod 31, a moving frame 4, an L-shaped clamping piece 41, a sliding groove 42, a second spring 43, a screw machine body 5, a screw driver head 51, a U-shaped positioning piece 6, a guide rod 61, a positioning end 62, a limiting block 63, a stop block 64, a first spring 65, a positioning surface 66, a positioning hole 67 and a workpiece 7.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

See the drawings. The tool convenient for screwing the screw comprises a base 1, wherein a door-shaped support 2 is fixed on the base and comprises a cross beam 21 and stand columns on two sides, a second through hole is formed in the middle of the cross beam 21 of the support, and third through holes are symmetrically formed in two sides of the second through hole; a first air cylinder 3 is fixed on a cross beam 21 of the support, an air cylinder rod 31 of the first air cylinder 3 penetrates through a second through hole of the cross beam and extends into the door-shaped support, a moving frame 4 is fixed at the bottom end of the air cylinder rod 31, the moving frame 4 is used for fixing a screw machine body 5, and the screw machine body can be selected from an existing pneumatic screw machine or an existing electric screw machine and can automatically feed screws; a screwdriver head 51 is fixed at the bottom end of the screw machine body.

Move and be equipped with two L type holders 41 on the frame 4, L type holder is used for the fixed screw machine body, move 4 front sides and be equipped with twice spout 42, in spout 42 was arranged in to L type holder 41 inner, was equipped with second spring 43 in the spout, and second spring 43 one end is supported at spout 42 tip, and the other end supports on L type holder 41. The movable frame is provided with the openable L-shaped clamping piece, so that the screw machine bodies with different specifications can be fixed, and the application range is greatly expanded.

Still install a U type setting element 6 in the door type support 2, U type setting element 6 includes the guide bar 61 of both sides and middle location end 62, and guide bar 61 movable mounting is in the third through-hole department of the crossbeam 21 of support, and the guide bar 61 top is equipped with stopper 63, can prevent that the guide bar from droing from the crossbeam. The guide bar 61 is vertically arranged, and the two ends of the movable frame 4 are provided with first through holes which are sleeved on the guide bar and can move up and down along the guide bar.

The guide rod 61 is provided with a convex stop block 64 which is positioned below the cross beam, the first spring 65 is sleeved on the guide rod 61, one end of the first spring abuts against the stop block 64, and the other end of the first spring abuts against the cross beam 21 of the support. An annular positioning surface 66 protruding towards one side of the base is arranged in the middle of the positioning end 62, and a positioning hole 67 is formed in the positioning surface; the screwdriver head 51 and the positioning hole 67 are located on the same straight line, and the aperture of the positioning hole is slightly larger than the external diameter of the screwdriver head and the screw, so that the normal screwing and installing of the screw by the screwdriver head cannot be interfered.

A workbench 11 is arranged on the base 1, and the positioning surface of the U-shaped positioning piece 6 is abutted against the table surface of the workbench 11. The positioning dies with different specifications can be placed on the workbench of the base according to the shape of the workpiece, so that the smooth workpiece cannot be placed conveniently for use. The first spring gives a downward force to the guide rod through the stop block, so that the positioning surface can be abutted to the workpiece to fix the position of the workpiece.

When in use:

1) installing a pneumatic screw machine body 5 on a movable frame 4 and fixing the screw machine body by an L-shaped clamping piece 41; at the moment, the U-shaped positioning piece 6 is pressed on the workbench 11 under the action of the first spring 65; as shown in fig. 2;

2) lifting the U-shaped positioning piece 6, and placing the workpiece 7 to be screwed on the workbench 11 of the base, or placing a die matched with the workpiece;

3) adjusting the position of the workpiece 7 so that the threaded hole is just positioned in the middle of the positioning hole 67; as shown in fig. 3;

4) starting the first air cylinder 3, pushing the moving frame 4 to move downwards to drive the screw machine body 5 to move downwards, enabling the screwdriver head and the positioning hole to be in the same straight line, and enabling the screwdriver head to just extend into the threaded hole after moving downwards; as shown in fig. 4;

5) the screw machine body 5 starts to screw and load screws, and after the screws are screwed, the first air cylinder 3 drives the screw machine body 5 to move upwards;

6) and lifting the U-shaped positioning piece 6 upwards, moving the workpiece 7, moving the next threaded hole into the positioning hole, and continuing the next screw assembly.

7) And when the screw on one workpiece is assembled, replacing the next workpiece and continuing.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a frock convenient to twist dress screw, includes the base, its characterized in that: a portal bracket is arranged on the base, a first air cylinder is fixed on a cross beam of the bracket, and a moving frame is fixed at the bottom of an air cylinder rod of the first air cylinder; the U-shaped positioning piece comprises guide rods on two sides and a positioning end in the middle, the guide rods are movably arranged on a cross beam of the support, and first springs are sleeved on the guide rods; a positioning surface protruding towards one side of the base is arranged in the middle of the positioning end, and a positioning hole is formed in the positioning surface; the two ends of the moving frame are sleeved on the guide rods and can move up and down along the guide rods; a screw machine body is fixed on the movable frame, a screwdriver head is fixed at the bottom end of the screw machine body, and the screwdriver head and the positioning hole are located on the same straight line.

2. The tool convenient for screwing the screw according to claim 1, wherein: the movable frame is provided with two L-shaped clamping pieces, and the L-shaped clamping pieces fix the screw machine body; the front side of the moving frame is provided with two sliding grooves, the inner end of the L-shaped clamping piece is arranged in the sliding grooves, a second spring is arranged in the sliding grooves, one end of the second spring abuts against the end part of the sliding grooves, and the other end of the second spring abuts against the L-shaped clamping piece.

3. The tool convenient for screwing the screw according to claim 1, wherein: the guide rod is vertically arranged, a convex stop block is arranged on the guide rod, the first spring is sleeved on the guide rod, one end of the first spring abuts against the stop block, and the other end of the first spring abuts against a cross beam of the support.

4. The tool convenient for screwing the screw according to claim 1, wherein: the base is provided with a workbench, and the positioning surface of the U-shaped positioning piece is abutted against the table surface of the workbench.

5. The tool convenient for screwing the screw according to claim 1, wherein: the diameter of the positioning hole on the U-shaped positioning piece is larger than the outer diameter of the screwdriver head.

6. The tool convenient for screwing the screw according to claim 1, wherein: a second through hole is formed in the middle of the cross beam of the support, and a cylinder rod of the first cylinder penetrates through the second through hole to be fixedly connected with the moving frame; third through holes are symmetrically formed in two sides of the second through hole, two guide rods are arranged in the third through holes, and limiting blocks are arranged at the tops of the guide rods.