CN219881668U

CN219881668U - Welding positioning tool

Info

Publication number: CN219881668U
Application number: CN202320978251.1U
Authority: CN
Inventors: 侯清泉; 陈俊爽
Original assignee: Wuhan Yusheng Automation Equipment Co ltd
Current assignee: Wuhan Yusheng Automation Equipment Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-10-24
Anticipated expiration: 2033-04-26

Abstract

The utility model discloses a welding positioning tool which comprises a base, a workbench, at least one threaded rod and a driving mechanism, wherein the workbench is fixed above the base through supporting legs, the threaded rod is connected to the lower end of the workbench through a bearing in a rotating mode, the driving mechanism is arranged on the base, a threaded sleeve is sleeved on the threaded rod and is in threaded connection with the threaded rod, the middle of a clamping arm is hinged to the left side and the right side of the workbench through a first hinging seat, and the threaded sleeve is in transmission connection with two clamping arms through a transmission mechanism. The utility model relates to a welding positioning tool, which is characterized in that a driving mechanism drives a threaded rod to rotate, so that the threaded rod can rotate to drive a threaded sleeve to move up and down, the threaded sleeve can drive two clamping arms to move up and down to be close to or away from each other under the action of the driving mechanism, and when a plate to be welded needs to be clamped and positioned, the driving mechanism can drive the two clamping arms to move close to each other until the clamping ends of the two clamping arms are in contact with the plate, so that the purpose of clamping and positioning the plate can be achieved.

Description

Welding positioning tool

Technical Field

The utility model relates to the technical field of plate welding, in particular to a welding positioning tool.

Background

Welding, also known as fusion welding, is a process and technique for joining metals or other thermoplastic materials, such as plastics, by means of heat, high temperature or high pressure. The energy sources of modern welding are numerous and include gas flames, electric arcs, lasers, electron beams, friction and ultrasound. In addition to use in factories, welding can also be performed in a variety of environments, such as in the field, underwater, and in space. Wherever welding may present a hazard to the operator, appropriate safeguards must be taken when welding. The possible injuries to the human body caused by welding include burn, electric shock, vision damage, inhalation of toxic gas, excessive ultraviolet irradiation and the like. The existing welding positioning equipment is not enough in clamping force on the plates, the plates are easy to loosen, part of the positioning equipment with good clamping effect can only clamp plates with specified sizes, and the practicability is poor.

Aiming at the problems, a welding positioning assembly is disclosed in Chinese patent publication No. CN211503922U, and comprises a base, wherein the front side and the rear side of the top of the base are respectively provided with a fixed plate, the top of the fixed plate is provided with a top fixed table, a threaded column is arranged between the bottom of the top fixed table and the base, a threaded sleeve is sleeved on the threaded column in a threaded manner, connecting rods are hinged to two sides of the threaded sleeve, clamping arms are hinged to the other ends of the connecting rods, and the inner sides of the clamping arms are hinged to hinge seats arranged on the side surfaces of the top fixed table. When the welding positioning assembly is operated, a workpiece to be positioned is placed at the top of the top fixing table, then the screw cap is rotated to drive the screw column to rotate through the first gear and the second gear in the gear bin, the screw sleeve is further controlled to displace downwards, the connecting rod is further expanded outwards, the bottom end of the clamping arm is further ejected outwards, and at the moment, the top end of the clamping arm is gathered inwards, so that the workpiece is clamped, and the welding positioning assembly is more practical. But only two sides of the assembly are provided with clamping arms, so that the clamped object easily slides out of the assembly from the other two sides of the horizontal plane, the rotating cap is adopted in the assembly to drive the rotating shaft to rotate, the rotating shaft transmits torque to the second gear, and the first gear is meshed with the second gear, so that the screw cap can be finally screwed to drive the threaded column to rotate, the transmission mode has no self-locking function, and the clamping effect is poor, so that the welding positioning tool is provided to solve the problems.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a welding positioning tool.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a welding positioning tool which comprises a base, a workbench, at least one threaded rod, a driving mechanism, a transmission mechanism, a threaded sleeve and a clamping arm, wherein the workbench is fixed above the base through supporting legs, the threaded rod is rotatably connected to the lower end of the workbench through a bearing, the driving mechanism is arranged on the base, the driving end of the driving mechanism is in transmission connection with the threaded rod so as to drive the threaded rod to rotate, the threaded sleeve is sleeved on the threaded rod and is in threaded connection with the threaded rod, the middle part of the clamping arm is hinged to the left side and the right side of the workbench through a first hinge seat, the threaded sleeve is in transmission connection with the two clamping arms through the transmission mechanism, and the upper ends of the two clamping arms can be mutually close to or far away from each other when the threaded sleeve moves up and down.

As a preferable technical scheme of the utility model, the driving mechanism comprises a stepping motor, a worm and a worm wheel, wherein the stepping motor is arranged on the base through an installation component, a cavity is arranged in the workbench, an output shaft of the stepping motor is horizontally arranged along the front-back direction and is coaxially connected with the worm, one end of the worm far away from the stepping motor stretches into the cavity and is rotationally connected with the side wall of the cavity, one end of the threaded rod far away from the workbench stretches into the cavity and is fixedly connected with the worm wheel coaxially, and the worm wheel is meshed with the worm.

As a preferable technical scheme of the utility model, the mounting assembly comprises a limit sleeve and a rib plate, wherein the limit sleeve is fixed on the base, the rib plate is fixedly connected with the limit sleeve and the base respectively, and the stepping motor extends into the limit sleeve and is fixedly connected with the limit sleeve.

As a preferable technical scheme of the utility model, the transmission mechanism comprises transmission assemblies with the same number as that of the threaded rods, the transmission assemblies comprise second hinging seats and connecting rods, the threaded sleeves are hinged with one ends of the connecting rods through the second hinging seats, and the other ends of the connecting rods are hinged with the clamping arms.

As a preferable technical scheme of the utility model, the utility model further comprises a bearing seat, wherein the bearing seat is vertically arranged on the base, and the threaded rod is rotationally connected with the base through the bearing seat.

As a preferable technical scheme of the utility model, the utility model further comprises a baffle plate, wherein the baffle plate is vertically fixed at the upper end of the workbench, and a protection pad is arranged on the surface of the baffle plate.

As a preferable technical scheme of the utility model, the clamping end of the clamping arm is provided with an anti-slip pad.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model relates to a welding positioning tool, a plate to be welded is placed on a workbench, a stepping motor is started, the output torque of the stepping motor is transmitted to a worm through a coupler, the worm is meshed with the worm, the torque is transmitted to the worm wheel by the worm wheel, the worm wheel can rotate to drive a threaded rod to rotate, the threaded rod can drive a threaded sleeve to move up and down, and the initial state of a connecting rod is an inclined state, so that the connecting rod gradually tends to be horizontal in the continuous upward movement process until the connecting rod is completely horizontal, the clamping ends of clamping arms are mutually close to each other, and are continuously moved up or down, and the clamping ends of the clamping arms are mutually far away. When the plate to be welded needs to be clamped and positioned, the two clamping arms are driven by the stepping motor to approach each other until the clamping ends of the two clamping arms are abutted against the plate, so that the purpose of clamping and positioning the plate can be achieved, and subsequent welding personnel can weld the plate and other components conveniently.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of a base of the present utility model;

in the figure: 1. a base; 2. a work table; 3. support legs; 4. a threaded rod; 5. a threaded sleeve; 6. a clamping arm; 7. a first hinge base; 81. a stepping motor; 82. a worm; 83. a worm wheel; 841. a limit sleeve; 842. rib plates; 91. the second hinge seat; 92. a connecting rod; 10. a bearing seat; 11. a baffle; 12. an anti-slip mat.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Fig. 1-2 provide a welding positioning tool for the utility model, which comprises a base 1 and a workbench 2, wherein the workbench 2 is fixed above the base 1 through supporting legs 3, and further comprises at least one threaded rod 4, a driving mechanism, a transmission mechanism, a threaded sleeve 5 and a clamping arm 6, wherein the threaded rod 4 is rotatably connected to the lower end of the workbench 2 through a bearing, the driving mechanism is arranged on the base 1, the driving end of the driving mechanism is in transmission connection with the threaded rod 4 so as to drive the threaded rod 4 to rotate, the threaded sleeve 5 is sleeved on the threaded rod 4 and is in threaded connection with the threaded rod 4, the middle part of the clamping arm 6 is hinged to the left side and the right side of the workbench 2 through a first hinging seat 7, the threaded sleeve 5 is in transmission connection with the two clamping arms 6 through the transmission mechanism, and the upper ends of the two clamping arms 6 can be mutually close to or far away when the threaded sleeve 5 moves up and down.

In this embodiment, place the panel that will wait to weld on workstation 2, drive threaded rod 4 through actuating mechanism and rotate, because threaded sleeve 5 cover is located threaded rod 4 and rather than threaded connection for threaded rod 4 rotates and can drive threaded sleeve 5 and reciprocate, under actuating mechanism's effect, threaded sleeve 5 reciprocates and can drive two centre gripping arms 6 and be close to each other or keep away from, when the panel that waits to weld needs to be held the location, accessible actuating mechanism drives two centre gripping arms 6 and is close to each other, until its clamping end is inconsistent with the panel, can reach the purpose of centre gripping locating plate, make things convenient for follow-up welder to weld panel and other components.

Preferably, as another embodiment of the present utility model, on the basis of the embodiment shown in fig. 1, the driving mechanism comprises a stepping motor 81, a worm 82 and a worm gear 83, wherein the stepping motor 81 is mounted on the base 1 through a mounting assembly, a cavity is formed in the workbench 2, an output shaft of the stepping motor 81 is horizontally arranged along the front-rear direction and is coaxially connected with the worm 82, one end of the worm 82 away from the stepping motor 81 extends into the cavity and is rotatably connected with the side wall of the cavity, one end of the threaded rod 4 away from the workbench 2 extends into the cavity and is fixedly connected with the worm gear 83 in a coaxial manner, and the worm gear 83 is meshed with the worm 82.

In this embodiment, as one of the embodiments, the stepper motor 81 is started, the output torque of the stepper motor 81 is transmitted to the worm 82 through the coupling, and the worm gear 83 is meshed with the worm 82, so that the worm 82 transmits the torque to the worm gear 83, the worm gear 83 rotates to drive the threaded rod 4 to rotate, and the threaded rod 4 rotates to drive the threaded sleeve 5 to move up and down.

Preferably, as another embodiment of the present utility model, on the basis of the embodiment shown in fig. 1, the mounting assembly includes a stop collar 841 and a rib 842, the stop collar 841 is fixed on the base 1, the rib 842 is fixedly connected with the stop collar 841 and the base 1, and the stepper motor 81 extends into the stop collar 841 and is fixedly connected therewith.

In this embodiment, as one embodiment, the stop collar 841 is used to prevent the stepper motor 81 from moving in a direction perpendicular to its output shaft, and the rib 842 increases the height of the interface between the stop collar 841 and the base 1.

Preferably, as another embodiment of the present utility model, on the basis of the embodiment shown in fig. 1, the transmission mechanism comprises transmission assemblies with the same number as the threaded rods 4, the transmission assemblies comprise a second hinge seat 91 and a connecting rod 92, the threaded sleeve 5 is hinged with one end of the connecting rod 92 through the second hinge seat 91, and the other end of the connecting rod 92 is hinged with the clamping arm 6.

In this embodiment, as one of the embodiments, since the initial state of the connecting rod 92 is the inclined state during the up-and-down movement of the threaded sleeve 5, the connecting rod 92 gradually tends to be horizontal during the continuous up-and-down movement of the threaded sleeve 5, and the clamping ends of the clamping arms 6 are approaching each other and continue to move up or down, and the clamping ends of the clamping arms 6 are far away from each other during the complete horizontal movement.

Preferably, the device further comprises a bearing seat 10, wherein the bearing seat 10 is vertically arranged on the base 1, and the threaded rod 4 is rotatably connected with the base 1 through the bearing seat 10.

The bearing housing 10 may serve to make the rotation of the threaded rod 4 more stable.

Preferably, the device further comprises a baffle 11, wherein the baffle 11 is vertically fixed at the upper end of the workbench 2, and a protection pad is arranged on the surface of the baffle 11.

The plates are placed into the workbench 2 from the opposite ends of the baffle 11, the baffle 11 plays a role in blocking the plates to be welded, the plates are prevented from sliding out of the workbench 2, and the plates are conveniently clamped by the follow-up clamping arms 6. The pad serves to protect the plate against strong collision with the baffle 11.

Preferably, the gripping arms 6 are provided with anti-slip pads 12 at their gripping ends.

The protection pad 12 is made of fluororubber, so that the friction force between the clamping arm 6 and the plate to be welded can be improved, the fluororubber has excellent heat resistance, and the influence of high temperature on the clamping arm 6 in the welding process can be avoided.

The working principle of the utility model is as follows:

the plate to be welded is placed on the workbench 2, the stepping motor 81 is started, the output torque of the stepping motor 81 is transmitted to the worm 82 through the coupler, the worm 82 is meshed with the worm gear 83, the worm gear 83 is used for transmitting the torque to the worm gear 83, the worm gear 83 is rotated to drive the threaded rod 4 to rotate, the threaded rod 4 is rotated to drive the threaded sleeve 5 to move up and down, the connecting rod 92 gradually tends to be horizontal in the continuous upward moving process of the threaded sleeve 5 due to the inclined state of the initial state of the connecting rod 92, the clamping ends of the clamping arms 6 are all close to each other until the clamping ends of the clamping arms 6 are kept up or down, and the clamping ends of the clamping arms 6 are kept away from each other. When the plate to be welded needs to be clamped and positioned, the two clamping arms 6 are driven by the stepping motor 81 to be close to each other until the clamping ends of the two clamping arms are abutted against the plate, so that the purpose of clamping and positioning the plate can be achieved, and subsequent welding personnel can weld the plate and other components conveniently.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a welding positioning tool, includes base (1) and workstation (2), workstation (2) are fixed in through supporting leg (3) the top of base (1), its characterized in that still includes at least one threaded rod (4), actuating mechanism, drive mechanism, screw sleeve (5), centre gripping arm (6), threaded rod (4) pass through the bearing rotate connect in the lower extreme of workstation (2), actuating mechanism locates on base (1), its drive end with threaded rod (4) transmission is connected, in order to drive threaded rod (4) rotate, screw sleeve (5) cover is located on threaded rod (4) and rather than threaded connection, the middle part of centre gripping arm (6) through first articulated seat (7) articulate in the left and right sides of workstation (2), screw sleeve (5) are passed through drive mechanism and two when screw sleeve (5) reciprocate, two the upper ends of screw sleeve (6) can be close to each other or keep away from each other.

2. The welding positioning tool according to claim 1, wherein the driving mechanism comprises a stepping motor (81), a worm (82) and a worm wheel (83), the stepping motor (81) is installed on the base (1) through an installation component, a cavity is formed in the workbench (2), an output shaft of the stepping motor (81) is horizontally arranged along the front-back direction and is coaxially connected with the worm (82), one end, far away from the stepping motor (81), of the worm (82) stretches into the cavity and is rotationally connected with the side wall of the cavity, one end, far away from the workbench (2), of the threaded rod (4) stretches into the cavity and is fixedly connected with the worm wheel (83), and the worm wheel (83) is meshed with the worm (82).

3. A welding positioning tool as claimed in claim 2, wherein the mounting assembly comprises a stop collar (841) and a rib plate (842), the stop collar (841) is fixed on the base (1), the rib plate (842) is fixedly connected with the stop collar (841) and the base (1) respectively, and the stepper motor (81) extends into the stop collar (841) and is fixedly connected with the stop collar.

4. Welding positioning tool according to claim 1, characterized in that the transmission mechanism comprises transmission assemblies the same as the threaded rods (4), the transmission assemblies comprise second hinging seats (91) and connecting rods (92), the threaded sleeves (5) are hinged with one ends of the connecting rods (92) through the second hinging seats (91), and the other ends of the connecting rods (92) are hinged with the clamping arms (6).

5. The welding positioning tool according to claim 1, further comprising a bearing seat (10), wherein the bearing seat (10) is vertically arranged on the base (1), and the threaded rod (4) is rotatably connected with the base (1) through the bearing seat (10).

6. The welding positioning tool according to claim 1, further comprising a baffle plate (11), wherein the baffle plate (11) is vertically fixed at the upper end of the workbench (2), and a protection pad is arranged on the surface of the baffle plate (11).

7. Welding positioning fixture according to claim 1, characterized in that the clamping end of the clamping arm (6) is provided with a non-slip mat (12).