CN217750301U - Linear type balance force arm - Google Patents

Abstract

A linear type balance force arm comprises a support shaft, a balancer, a box type linear bearing, a horizontal sliding structure, a screwdriver mounting assembly and a mounting base, wherein the mounting base is fixed on a working table; the lower end of the supporting shaft is fixed on the mounting base; an inner hole of the box-type linear bearing penetrates through the support shaft, and the box-type linear bearing slides up and down and rotates for 360 degrees along the support shaft; the horizontal sliding structure is fixed on the box-type linear bearing; one end of the horizontal sliding structure is provided with a screwdriver mounting component; the screwdriver mounting component is provided with a fixing position suitable for mounting a screwdriver; the balancer is installed on the top of the support shaft, and the tail end of the pull rope of the balancer is fixed on the horizontal sliding structure. The linear type balance force arm has a compact structure and is simple, the space occupied by the rotary and linear type mechanisms is small, and the linear type balance force arm is flexible to operate and accurate to position. Through the auxiliary horizontal sliding structure and the balancer, an operator saves more labor, and the problems of poor safety, easy fatigue and low working efficiency of the operator caused by heavy tools and large reaction force in the screw locking process are overcome.

Description

Linear type balance force arm

[ technical field ] A method for producing a semiconductor device

The utility model relates to an automatic control technical field especially relates to the automatic control linear type balance force arm.

[ background of the invention ]

In the technical field of electronic products and large-scale assembly mechanical products, screw locking and fastening are often required in assembly components to complete the process of mounting assembly components. Along with the industrialization process, the automation and mechanization degree in the industry are continuously improved, and for screws with the specification of more than M5, an electric screwdriver or an automatic locking robot is usually adopted to complete screw locking and fastening.

When using an electric screwdriver for screw locking and fastening, the locking torque is usually larger than 3NM. Practice has shown that the human hand cannot withstand such large reaction forces for long periods of time. The traditional solutions are usually modified by a pneumatic screwdriver or by an additional reaction arm.

The pneumatic screwdriver has the disadvantages that: 1. the tightening force cannot be accurately controlled; 2. many workplaces do not have high-pressure air sources, need dispose the air compressor machine alone, very inconvenient. 3. The noise is big, is unfavorable for operating personnel health.

The disadvantage of the externally applied reaction arm is that: 1. the work piece and the working environment vary widely, and are limited by conditions in many cases, so that a proper supporting point cannot be found, and a reaction force arm cannot be used. 2. The appearance and the weight are bigger, increase operating personnel's burden, easy tired.

[ summary of the invention ]

The utility model discloses a big moment of torsion linear type balance arm of force is proposed to above circumstances, installs electric screwdriver on the balance arm of force, through balance arm of force and operating handle, has undertaken electric screwdriver self weight and has offset the reaction moment that produces when screwing up to keep the screwdriver with by locking screw's straightness that hangs down, make operating personnel only need be absorbed in and aim at screw and screw hole site, alleviateed the builder intensity of labour and the work degree of difficulty greatly, thereby improve the efficiency and the quality of screw-fastening.

The utility model relates to a linear type balance force arm, which is characterized in that the force arm comprises a support shaft, a balancer, a box type linear bearing, a horizontal sliding structure, a screwdriver mounting component and a mounting base, wherein the mounting base is fixed on a working table; the lower end of the supporting shaft is fixed on the mounting base; an inner hole of the box-type linear bearing penetrates through the support shaft, and the box-type linear bearing slides up and down along the support shaft and rotates for 360 degrees; the horizontal sliding structure is fixed on the box-type linear bearing; can slide up and down and rotate 360 degrees along with the box-type linear bearing.

One end of the horizontal sliding structure is provided with a screwdriver mounting component; the screwdriver mounting component is provided with a fixing position suitable for mounting a screwdriver; the balancer is installed on the support shaft top, and the stay cord end of balancer is fixed on horizontal sliding structure.

The horizontal sliding structure, the large-torque screwdriver and the box-type linear bearing are hung in the middle of the supporting shaft, the hanging position is adjusted through adjusting the pulling force of the balancer, and meanwhile, the self weight of the mechanism is offset.

The horizontal sliding structure includes a horizontal slider fixed with one surface thereof to a box-type linear bearing, and two pairs of linear bearings installed in the horizontal slider, and a horizontal sliding rod slidably fitted in the horizontal slider through the sliding guide linear bearings.

The horizontal sliding blocks comprise two blocks which are respectively arranged and fixed on two sides of the box type linear bearing.

The horizontal sliding rods comprise four, and each horizontal sliding block penetrates through two horizontal sliding rods.

The horizontal sliding structure comprises a guide rail and a guide rod, wherein the guide rail is fixedly arranged on a box-type linear bearing, and the guide rod is assembled in the guide rail in a sliding manner.

The top end of the supporting shaft is provided with a balancer fixing block, and the balancer is fixed at the top end of the supporting shaft through the balancer fixing block.

An auxiliary handle and an operating handle are arranged on the screwdriver mounting component.

The auxiliary handle is perpendicular to the screwdriver, and the operating handle is arranged on the same horizontal plane with the screwdriver.

The operating handle is provided with a control switch which can control the start and stop of the screwdriver and the reverse rotation and the forward and reverse rotation. The auxiliary handle helps an operator to offset the reaction torque generated during screw locking, and the distance between the auxiliary handle and the screwdriver is designed according to the rated torque set during screw locking. The device can adapt to rated torque of 0 to 120NM.

A screwdriver mounted to the screwdriver mounting assembly can move back and forth with the horizontal smoothing rod while sliding up and down and rotating 360 degrees.

The equipment beneficial effect of this patent application lies in: the balance arm of force has compact structure, simple structure, small occupied space of rotating and linear mechanisms, flexible operation and accurate positioning. Through the auxiliary horizontal sliding structure and the balancer, an operator saves more labor, and the problems of poor safety, easy fatigue and low working efficiency of the operator caused by heavy tools and large reaction force in the screw locking process are overcome.

[ description of the drawings ]

Fig. 1 is a schematic structural view of a linear type balance force arm according to the present invention;

fig. 2 is an exploded view of a linear balance arm of force according to the present invention;

wherein: 10. installing a base; 20. a support shaft; 30. a box-type linear bearing; 40. a horizontal sliding structure; 41. a horizontal slider; 42. a horizontal sliding bar; 50. a screwdriver mounting assembly; 60. a balancer; 61. pulling a rope; 62. a balancer fixing block; 70. an auxiliary handle; 80. an operating handle; 81. a control switch;

100. screwdriver

[ detailed description ] embodiments

The invention will be described in detail below with reference to the drawings, wherein examples of the embodiments are shown in the drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, there is shown a linear type balance arm including a support shaft 20, a balancer 60, a box type linear bearing 30, a horizontal sliding structure 40, a screwdriver mounting assembly 50 and a mounting base 10, wherein the mounting base 10 is fixed on a work table; the lower end of the supporting shaft 20 is fixed on the mounting base 10; the inner hole of the box-type linear bearing 30 penetrates through the support shaft 20, and slides up and down and rotates 360 degrees along the support shaft 20; and the horizontal sliding structure 40 is fixed on the box-type linear bearing; can slide up and down and rotate 360 degrees along with the box-type linear bearing.

And a screwdriver mounting assembly 50 is provided at one end of the horizontal sliding structure 40; a fixed position on the screwdriver mounting assembly 50 suitable for mounting a screwdriver; the balancer 60 is mounted on the top end of the support shaft 20, and the end of the rope 61 of the balancer 60 is fixed to the horizontal sliding structure 40.

The horizontal sliding structure 40, the large torque screwdriver 100 and the box-type linear bearing 30 are hung in the middle of the supporting shaft 20, the hanging position is adjusted by adjusting the tension of the balancer 60, and meanwhile, the self weight of the mechanism is offset.

The horizontal sliding structure 40 includes a horizontal slider 41 and a horizontal sliding rod 42, wherein the horizontal slider 41 is fixed to the box-type linear bearing 30 with one surface thereof, and two pairs of linear bearings are installed in the horizontal slider 41, and the horizontal sliding rod 42 slides in the horizontal slider 41 in a direction defined by the horizontal slider 41 through a linear bearing (not shown) that passes through a guide.

The horizontal sliding block 41 includes two blocks, which are respectively fixed on both sides of the box-type linear bearing 30.

The horizontal sliding rods 42 comprise four, and each horizontal sliding block 41 passes through two horizontal sliding rods 42.

According to the actual use needs, other alternative designs are provided: the horizontal sliding structure 40 includes a guide rail fixedly installed on the box-type linear bearing and a guide rod slidably fitted in the guide rail.

A balancer fixing block 62 is provided at the tip of the support shaft 20, and the balancer 60 is fixed to the tip of the support shaft 30 by the balancer fixing block 62. And the pulling rope of the balancer 60 is hoisted to the horizontal sliding block 41, and is responsible for adjusting and pulling the height position from the horizontal sliding structure to the box-type linear bearing and the high-torque screwdriver 100, and simultaneously bearing and offsetting the weight of the mechanism.

An auxiliary handle 70 and an operating handle 80 are provided on the screwdriver mounting assembly 50.

The auxiliary handle 70 is disposed perpendicular to the direction in which the screwdriver 100 is disposed, and the operating handle 80 is disposed on the same horizontal plane as the screwdriver 100.

The operating handle 80 is provided with a control switch 81 which can control the start and stop and the forward and reverse rotation of the screwdriver. The auxiliary handle 70 helps the operator to offset the reaction torque generated when the screw is fastened, and the distance between the auxiliary handle 70 and the screwdriver is designed according to the rated torque set when the screw is fastened. The device can adapt to rated torque of 0 to 120NM.

The screwdriver 100 mounted to the screwdriver mounting assembly 50 can move forward and backward along with the horizontal sliding bar 42 while also performing up and down sliding and 360 rotation about the supporting shaft.

When the screwdriver is used, an operator holds the operating handle 80 with one hand and holds the auxiliary handle 70 with the other hand, pulls the screwdriver, timely adjusts the position of the screwdriver, presses down the screwdriver after aligning with a screw hole, simultaneously presses the control switch 81 on the operating handle 80 to start the screwdriver to lock screws, and releases the button and the handle after the locking of the screws is completed, so that the screwdriver returns to the initial position.

The equipment beneficial effect of this patent application lies in: the balance force arm has compact structure, small occupied space of the rotary and linear mechanisms, flexible operation and accurate positioning. Through the auxiliary horizontal sliding structure and the balancer, an operator saves more labor, and the problems of poor safety, easy fatigue and low working efficiency of the operator caused by heavy tools and large reaction force in the screw locking process are overcome.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make modifications or changes equivalent to the above disclosed technical content without departing from the technical scope of the present invention.

Claims (8)

1. A linear type balance force arm is characterized by comprising a support shaft, a balancer, a box type linear bearing, a horizontal sliding structure, a screwdriver mounting assembly and a mounting base, wherein the mounting base is fixed on a workbench surface; the lower end of the supporting shaft is fixed on the mounting base; an inner hole of the box-type linear bearing penetrates through the support shaft, and the box-type linear bearing slides up and down and rotates for 360 degrees along the support shaft; the horizontal sliding structure is fixed on the box-type linear bearing; one end of the horizontal sliding structure is provided with a screwdriver mounting component; the screwdriver mounting component is provided with a fixing position suitable for mounting a screwdriver; the balancer is installed on the top of the support shaft, and the tail end of the pull rope of the balancer is fixed on the horizontal sliding structure.

2. The linear balance arm of claim 1, wherein the horizontal sliding means comprises a horizontal slider and a horizontal sliding rod, wherein the horizontal slider is fixed with one of its surfaces to the box-type linear bearing, and two pairs of linear bearings are installed in the horizontal slider, and the horizontal sliding rod passes through the linear bearings for guiding sliding and is slidably fitted in the horizontal slider.

3. The linear balance arm of force of claim 2, wherein the horizontal slide comprises two blocks, each of which is fixed to either side of the box-type linear bearing.

4. The linear balance arm of claim 3, wherein the number of horizontal bars comprises four, and two horizontal bars pass through each horizontal slide.

5. The linear balance arm of claim 1, wherein the horizontal slide structure comprises a guide rail and a guide rod, wherein the guide rail is fixedly mounted on the box-type linear bearing, and the guide rod is slidably fitted in the guide rail.

6. The linear balance arm of claim 1, wherein a balancer fixing block is provided at a top end of the support shaft, and the balancer is fixed by the balancer fixing block.

7. The linear balance arm of claim 1, wherein the screwdriver mounting assembly is provided with an auxiliary handle and an operating handle.

8. The linear balance arm of claim 7, wherein the auxiliary handle is arranged perpendicular to the screwdriver, and the operating handle is arranged on the same horizontal plane as the screwdriver.

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