CN216966929U

CN216966929U - Study type double-shaft tightening gun device

Info

Publication number: CN216966929U
Application number: CN202220858609.2U
Authority: CN
Inventors: 李玉杰; 韩笑
Original assignee: Shanghai Baixu Machinery Remanufacturing Technology Development Co ltd
Current assignee: Shanghai Baixu Machinery Remanufacturing Technology Development Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-07-15
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses a learning type double-shaft tightening gun device which comprises an upright post (11), a first parallel rod (12), a second parallel rod (13), a fixing rod (14) and a clamping device (2), wherein the first parallel rod (12) is fixed on the upright post (11), the second parallel rod (13) is fixed on the first parallel rod (12), the clamping device (2) is fixed on the fixing rod (14), the clamping device (2) comprises a linear rail (21) and a fixing plate (22), the fixing plate (22) is fixed on the linear rail (21) and can slide on the linear rail (21), and the tightening gun is fixed on the fixing plate (22).

Description

Study type double-shaft tightening gun device

Technical Field

The utility model relates to a screw tightening gun, in particular to a learning type double-shaft tightening gun device.

Background

With the rapid development of the automobile industry, the automatic production of engines gradually becomes a trend. The automation of the production line is realized, the labor is saved, the influence of human factors on the quality is reduced, and the process level and the production quality can be ensured. Threaded connections are most widely used in the assembly of engines. The automatic screw tightening machine has wide application occasions, and the equipment is needed in places with requirements on fixed torque, fixed angle and the like of screw assembly, and can realize relatively accurate control on the pre-tightening of the screw. Moreover, the automatic tightening machine can realize the automation of assembly, thereby greatly improving the labor productivity and the safety.

At present, most automatic tightening equipment on the market is a single-shaft tightening gun, the application range is wide, and the tightening quality is guaranteed while the production efficiency cannot be taken into consideration. The biax is screwed up the rifle and can be satisfied the demand of screwing up two bolts simultaneously, and production efficiency is showing and is promoting.

Generally, when bolts of mechanical equipment are fastened, not only a strict requirement is required on a torque corner of a single bolt, but also a requirement is required on a tightening process, and several bolts are usually required to be synchronously tightened, namely all the bolts are firstly and completely pre-tightened to a certain torque value and then are screwed to a target torque value or angle together, so that the deformation of parts can be effectively avoided technically, and the tightness of assembly is ensured. Meanwhile, the problem of the sequence of bolt tightening is ensured, and deformation of parts caused by uneven stress in the tightening process is prevented. This study type biax screws up rifle device can save and conveniently transfer the above-mentioned process of screwing up (the moment of torsion of screwing up, angle, the number of times of screwing up, the order of screwing up) of different bolts to bolt-up quality and production efficiency have been promoted greatly.

Disclosure of Invention

In view of this, a learning-oriented double-shaft tightening gun device is provided, including stand (11), first parallel bar (12), second parallel bar (13), fixed rod (14) and clamping device (2), first parallel bar (12) is fixed in stand (11), second parallel bar (13) is fixed in first parallel bar (12), clamping device (2) is fixed in fixed rod (14), clamping device (2) includes linear rail (21), fixed plate (22) is fixed in linear rail (21) and can slide on linear rail (21), tightening gun is fixed in fixed plate (22).

Preferably, the wire fixing device further comprises two screw rods (23), the two fixing plates (22) are arranged, the screw rods (23) and the wire rails (21) are arranged in parallel, the two fixing plates (22) are respectively in threaded connection with the screw rods (23), and the screw rods (23) are rotated to drive the two fixing plates (22) to move in the direction of the screw rods (23).

Preferably, the screw threads on both sides of the screw rod (23) are opposite in direction, and when the screw rod (23) rotates, the pair of fixing plates (22) moves in different directions.

Preferably, the first parallel rod (12) is rotationally fixed on the upright post (11), the second parallel rod (13) is a four-bar linkage structure hinged with each other, and the second parallel rod (13) rotates up and down under the action of external force.

Preferably, the telescopic device further comprises an adjusting cylinder (15), wherein the adjusting cylinder (15) is located inside the second parallel rod (13), and the second parallel rod (13) rotates up and down and drives the adjusting cylinder (15) to do telescopic motion.

Preferably, the device further comprises a first fixed air cylinder (16) and a second fixed air cylinder (17) which are respectively positioned at the right end parts of the first parallel rod (12) and the second parallel rod (13). The first fixed cylinder (16) extrudes the top end of the upright post (11) when working, and the second fixed cylinder (17) extrudes the first parallel rod (12) when working.

Preferably, the fixed bar (14) is fixed to the second parallel bar (13) by a cardan shaft (141), the fixed bar (14) rotating around itself.

Preferably, the upright post (11) is provided with an adjusting screw hole (111).

The utility model realizes the simultaneous use of the double tightening guns, can realize the adjustment of each direction, and designs the first parallel rod and the second parallel rod to enable an operator to move the tightening guns in the horizontal direction. The adjusting cylinder helps an operator to realize the up-and-down movement of the tightening gun; the first fixed cylinder and the second fixed cylinder help the whole device to be more stable.

Drawings

In order to make the object, technical scheme and beneficial effect of the utility model more clear, the utility model provides the following drawings for explanation:

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of a clamping device in the present invention.

Description of the symbols:

1-a support frame; 11-upright post; 111-adjusting screw holes; 12-a first parallel bar; 13-a second parallel bar; 14-a fixation rod; 141-cardan shaft; 15-adjusting the cylinder; 16-a first stationary cylinder; 17-a second stationary cylinder; 2-a clamping device; 21-linear rail; 22-a fixing plate; 23-a screw rod; 24-hand wheel.

Detailed Description

The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.

As shown in fig. 1, a schematic structural diagram of a learning-type double-shaft tightening gun device of the present invention includes a support frame 1 and a clamping device 2. The support frame 1 is fixed on a panel (a workbench) and used for fixing the clamping device 2 and adjusting the spatial position of the clamping device 2, the tightening guns are fixed on the

clamping device

2, and 2 tightening guns can be fixed simultaneously.

The support frame 1 comprises a vertical column 11, a first parallel rod 12, a second parallel rod 13 and a fixed rod 14 which are connected in sequence. The upright post 11 is fixed on the panel, the upright post 11 comprises an adjusting screw hole 111, and a screw adjusts the verticality of the support frame 1 through the adjusting screw hole 111 (the screw is rotated into the adjusting screw hole 111 to extrude the panel). The first parallel rod 12 is horizontal and is rotatably fixed to the top of the upright 11 in a vertical relationship. The first parallel bar 12 can rotate around the upright 11; the second parallel bar 13 is rotatably fixed to the first parallel bar 12, and the second parallel bar 13 can horizontally rotate around the left end of the first parallel bar 12. The second parallel rod 13 is a four-bar structure hinged with each other, and the specific structure is that an upper horizontal rod and a lower horizontal rod are respectively hinged with vertical rods at two sides. The second parallel bar 13 can move up and down around the left end of the first parallel bar 12 (specifically, the upper and lower horizontal bars can move up and down around the point where the left vertical bar and the two horizontal bars of the four-bar linkage structure are connected). Thereby adjusting the position of the clamping device 2 in the vertical direction. The position of the clamping device 2 in the horizontal direction can be adjusted by rotating the first horizontal bar 12 and the second horizontal bar 13. The fixed bar 14 is rotatably connected to the left end of the second parallel bar 13. The second parallel bar 13 and the fixed bar 14 are movably connected by a universal shaft 141, and the fixed bar 14 rotates by itself.

The support frame 1 further comprises an adjusting cylinder 15, a first fixed cylinder 16 and a second fixed cylinder 17. Wherein adjusting cylinder 15 is located second parallel bar 13 to the top is connected to one end, and the left side is connected to one end, and when second parallel bar 13 did the tilting round first parallel bar 12 left side tip, adjusting cylinder 15 was concertina movement, can alleviate the strength of operating personnel operation process's needs like this, guaranteed the position of the removal clamping device 2 that the operator can relax, improved work efficiency. The first fixed cylinder 16 is located at the right side end of the first parallel rod 16, the first fixed cylinder 16 is used for extruding the upper end of the upright post 11, the control system controls the telescopic extrusion of the first fixed cylinder 16 to extrude the upper end of the upright post 11, and therefore the effect of one force on the first parallel rod 12 can be achieved, the stability of the first parallel rod 12 is guaranteed, and the stability of the whole device is guaranteed. The second fixed cylinder 17 is located at the left end of the second parallel rod 13, and the second fixed cylinder 17 is controlled to perform contraction movement to press the first parallel rod 12, so that the second parallel rod 13 is kept stable relative to the first parallel rod 12. The function of which is the same as that of the first fixed cylinder 16, also in order to guarantee the stability of the entire tightening gun device.

As shown in fig. 2, the clamping device 2 is fixed on the fixing rod 14, and the clamping device 2 includes a linear rail 21, a fixing plate 22, a screw 23, and a hand wheel 24. The pair of fixing plates 22 are fixed on the pair of linear rails 21, and the fixing plates 22 can move left and right along the linear rails 21. The pair of fixing plates 22 are used to fix the tightening guns, and the two tightening guns may be simultaneously fixed to the pair of fixing plates 22, respectively, and the relative positions of the two tightening guns may be adjusted by adjusting the positions of the pair of fixing plates 22. In the utility model, the screw rod 23 is positioned between the two linear rails 21 (as long as the screw rod 23 is parallel to the linear rails 21), the screw rod 23 is in threaded connection with the pair of fixing plates 22, one end of the screw rod 23 is provided with a hand wheel 24, and the hand wheel 24 is used for rotating the screw rod 23 so as to drive the pair of fixing plates 22 to move left and right along the screw rod 23. Wherein, the screw thread direction of the lead screw both sides is opposite, and when the lead screw rotated, a pair of fixed plates 22 moved along different directions. This allows the mounting plates 22 to be formed to move away from or towards each other, thus adjusting the position of the two tightening guns.

During operation, an operator grasps the handles on the two sides of the clamping device 2 to drive the whole clamping device 2 to move up, down, left and right. For different engines, the hand wheel 24 is rotated to match different models of engines.

The utility model can fix two tightening guns at the same time by designing the clamping device, reduces the operation amount and ensures that the force and the moment applied to the fixing screws on each pair of engines are the same. The horizontal position of the clamping device 2 is adjusted by designing the first parallel bar 12 and the second parallel bar 13. The force during operation is reduced by designing a regulating cylinder within 12 years of the second parallel rod. The stability of the whole device during operation is ensured by designing fixed cylinders on the first parallel rod 12 and the second parallel rod 13.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the utility model is all within the protection scope of the utility model. The protection scope of the utility model is subject to the claims.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, when used in the orientation or positional relationship indicated in the figures, are used merely for convenience in describing the utility model and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting. Furthermore, the appearances of the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Claims

1. The utility model provides a rifle device is screwed up to study type biax which characterized in that: the clamping device comprises a stand column (11), a first parallel rod (12), a second parallel rod (13), a fixing rod (14) and a clamping device (2), wherein the first parallel rod (12) is fixed on the stand column (11), the second parallel rod (13) is fixed on the first parallel rod (12), the clamping device (2) is fixed on the fixing rod (14), the clamping device (2) comprises a linear rail (21) and a fixing plate (22), the fixing plate (22) is fixed on the linear rail (21) and can slide on the linear rail (21), and a screwing gun is fixed on the fixing plate (22).

2. The learning type two-axis tightening gun device according to claim 1, characterized in that: still include lead screw (23), fixed plate (22) have two, lead screw (23) with linear rail (21) parallel arrangement, two fixed plate (22) respectively with lead screw (23) threaded connection, rotate lead screw (23) drive two fixed plate (22) and remove in the direction of lead screw (23).

3. The learning type double-shaft tightening gun device according to claim 2, characterized in that: the thread directions of the two sides of the screw rod (23) are opposite, and when the screw rod (23) rotates, the pair of fixing plates (22) move along different directions.

4. A learning type two-shaft tightening gun device according to claim 2 or 3, wherein: the first parallel rod (12) is rotationally fixed on the upright post (11), the second parallel rod (13) is of a four-bar structure hinged with each other, and the second parallel rod (13) rotates up and down under the action of external force.

5. The learning type two-axis tightening gun device according to claim 4, wherein: the telescopic device is characterized by further comprising an adjusting cylinder (15), wherein the adjusting cylinder (15) is located inside the second parallel rod (13), and the second parallel rod (13) rotates up and down and drives the adjusting cylinder (15) to do telescopic motion.

6. The learning type two-axis tightening gun device according to claim 5, wherein: the vertical column structure is characterized by further comprising a first fixed cylinder (16) and a second fixed cylinder (17) which are respectively located at the right side end portions of the first parallel rod (12) and the second parallel rod (13), the top end of the vertical column (11) is extruded when the first fixed cylinder (16) works, and the first parallel rod (12) is extruded when the second fixed cylinder (17) works.

7. The learning type two-axis tightening gun device according to claim 6, wherein: the fixed rod (14) is fixed to the second parallel rod (13) through a universal shaft (141), and the fixed rod (14) rotates around itself.

8. The learning type two-axis tightening gun device according to claim 7, wherein: the upright post (11) is provided with an adjusting screw hole (111).