CN113798754A

CN113798754A - Clamp and welding machine

Info

Publication number: CN113798754A
Application number: CN202111013189.4A
Authority: CN
Inventors: 李春强
Original assignee: Guangzhou Youdejia Mould Technology Co ltd
Current assignee: Guangzhou Youdejia Mould Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2021-12-17

Abstract

The invention provides a clamp and a welding machine, and relates to the technical field of welding equipment. The clamp comprises a clamping assembly and a driving assembly; the clamping assembly comprises a positioning pin and a connecting block, one end of the positioning pin is detachably connected with the connecting block in an assembling state, and the other end of the positioning pin is inserted into the through hole of the product; the clamping assembly is detachably connected with the driving assembly, and the driving assembly is configured to drive the clamping assembly to linearly reciprocate along the X direction or the Y direction. The invention solves the technical problems of low manual operation safety and poor product welding spot position precision in the prior art.

Description

Clamp and welding machine

Technical Field

The invention relates to the technical field of welding equipment, in particular to a clamp and a welding machine.

Background

The product needs artifical handheld welding when current welding machine during operation, when having the potential safety hazard, still easily leads to the poor problem of product solder joint position precision.

Disclosure of Invention

The invention aims to provide a clamp and a welding machine so as to solve the technical problems of low safety and poor product welding point position precision in the prior art.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

a clamp comprises a clamping component and a driving component;

the clamping assembly comprises a positioning pin and a connecting block, one end of the positioning pin is detachably connected with the connecting block in an assembling state, and the other end of the positioning pin is inserted into the through hole of the product;

the clamping assembly is detachably connected with the driving assembly, and the driving assembly is configured to drive the clamping assembly to linearly reciprocate along the X direction or the Y direction.

Further, in the present invention,

the clamping assembly further comprises a support plate and an elastic piece;

one side of the supporting plate is connected with the connecting block, and the other side of the supporting plate is connected with the elastic piece;

the elastic piece has elastic force for driving the support plate to move upwards when being in a compressed state.

Further, in the present invention,

the connecting block includes first connecting block and second connecting block, first connecting block with the backup pad can be dismantled and be connected, the second connecting block with the backup pad is rotated and is connected.

Further, in the present invention,

the positioning pins comprise a first positioning pin and a second positioning pin;

the first positioning pin is detachably connected with the first connecting block;

the second positioning pin is detachably connected with the second connecting block.

Further, in the present invention,

the fixture further comprises an inductor, and the inductor is arranged on the surface, away from the elastic piece, of the supporting plate;

the sensor is configured to identify whether the weld joint is finished welding.

Further, in the present invention,

the clamp comprises an X-direction slide rail, a Y-direction slide rail and a table top;

the clamping assembly is arranged on one side of the table top, and the other side of the table top is connected with the X-direction sliding rail in a sliding mode;

one side of the X-direction sliding rail departing from the table top is connected with the Y-direction sliding rail in a sliding mode.

Further, in the present invention,

the clamping assemblies and the table tops are respectively provided with a plurality of clamping assemblies, and the clamping assemblies are correspondingly connected with the table tops one by one;

the clamping assemblies are arranged in parallel along the Y direction at intervals.

In a second aspect, a welder includes a fixture as defined in any of the above.

Further, in the present invention,

the welding machine further comprises a welding device, the welding device and the clamp are arranged at intervals along the Z direction, and the product clamp is arranged between the welding device and the clamp.

Further, in the present invention,

the welding machine further comprises a control system, wherein the control system is electrically connected with the clamp;

the control system is configured to control a position of the clamp.

By combining the technical scheme, the technical effect analysis realized by the invention is as follows:

the clamp provided by the invention comprises a clamping component and a driving component; the clamping assembly comprises a positioning pin and a connecting block, one end of the positioning pin is detachably connected with the connecting block in an assembling state, and the other end of the positioning pin is inserted into the through hole of the product; the clamping assembly is detachably connected with the driving assembly, and the driving assembly is configured to drive the clamping assembly to linearly reciprocate along the X direction or the Y direction. The positioning pin determines the positions of the product and the connecting block so as to ensure the position precision of a welding spot of the product; the clamping assembly can linearly reciprocate along the X direction or the Y direction to realize the position adjustment of the product, so that welding of all welding spots of the product and operation of the product in the upper and lower processes are realized, and the technical problems of low manual operation safety and poor product welding spot position precision in the prior art are solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of a fixture according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a clamping assembly according to an embodiment of the present invention (two products are attached);

FIG. 3 is a perspective view (in an unassembled state) of a clamping assembly according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a first connection block according to an embodiment of the present invention;

fig. 5 is a schematic perspective view (second view angle) of a first connection block according to an embodiment of the present invention;

fig. 6 is a solid perspective view of a second connection block according to an embodiment of the invention;

fig. 7 is a solid perspective view (second view) of a second connecting block according to an embodiment of the invention;

fig. 8 is a solid perspective view (installation product) of a second connection block according to an embodiment of the present invention;

FIG. 9 is a schematic view of a locating pin provided in accordance with an embodiment of the present invention;

FIG. 10 is a partial schematic view of a welder provided by an embodiment of the invention;

FIG. 11 is a front view of a welder provided by an embodiment of the present invention.

Icon:

100-a clamping assembly; 110-a locating pin; 111-a first locator pin; 112-a second locating pin; 200-a sensor; 120-connecting block; 130-a first connection block; 131-a special-shaped supporting block; 140-a second connection block; 141-a cylinder; 142-a body; 143-a turning block; 300-a support plate; 400-an elastic member; 500-a drive assembly; a 610-X direction slide rail; 620-Y direction slide rail; 800-a table top; 900-a welding device; 700-product.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the inventive product 700 is conventionally placed in use, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

When the existing welding machine works, the product 700 needs to be manually held for welding, potential safety hazards exist, and meanwhile the problem that the welding spot position precision of the product 700 is poor is easily caused.

In view of the above, the embodiment of the present invention provides a clamp, which includes a clamping assembly 100 and a driving assembly 500; the clamping assembly 100 comprises a positioning pin 110 and a connecting block 120, and in an assembly state, one end of the positioning pin 110 is detachably connected with the connecting block 120, and the other end of the positioning pin is inserted into a through hole of the product 700; clamping assembly 100 is removably coupled to drive assembly 500, and drive assembly 500 is configured to drive clamping assembly 100 to reciprocate linearly in either the X-direction or the Y-direction. The positioning pin 110 determines the positions of the product 700 and the connecting block 120 to ensure the position accuracy of the welding point of the product 700; the clamping assembly 100 can linearly reciprocate along the X direction or the Y direction to realize the position adjustment of the product 700, further realize the welding of each welding point of the product 700 and the operation of the product 700 in the up-down process, and relieve the technical problems of low safety of manual operation and poor position precision of the welding point of the product 700 in the prior art.

The first embodiment is as follows:

the specific shape and structure of the clip is described in detail below:

in an alternative embodiment, referring to fig. 1, the driving assembly 500 includes a motor and a transmission member, and the motor is in transmission connection with the transmission member.

Specifically, the motor and the transmission part adopt chain transmission, so that the rotary motion of the motor is converted into linear reciprocating motion. Preferably, the motor is a servo motor, and the servo motor drives the clamp assembly to reciprocate linearly through the transmission part, so that the position precision of the clamp assembly can be improved.

The motor is in transmission connection with the transmission part, so that the rotating motion of the motor is converted into the linear reciprocating motion, and the linear reciprocating motion of the clamp assembly is further realized.

In an alternative of this embodiment, two motors are provided, and the axes of the output shafts of the two motors are in the X direction and the Y direction, respectively.

Specifically, the motor is provided with two, and the driving medium also is provided with two, and two motors are connected with two driving mediums one-to-one. Because the axis of the output shaft of two motors is respectively along X direction and Y direction, two driving mediums are connected with two motors, realized that the direction of the output shaft of two driving mediums is respectively along X direction and Y direction, and then realized that the anchor clamps subassembly can be along the straight reciprocating motion of X direction and Y direction.

In an alternative of this embodiment, the clamping assembly 100 further includes a support plate 300 and an elastic member 400, one side of the support plate 300 is connected to the connecting block 120, and the other side is connected to the elastic member 400, and the elastic member 400 has an elastic force for driving the support plate 300 to move upward when being in a compressed state.

The support plate 300 is used for supporting the connection block 120, and the elastic member 400 is used for supporting the support plate 300 and driving the support plate 300. In the actual production process, after the welding process is completed, the product 700 needs to be moved to the next process, and in order to avoid other accessories, a downward force is applied to the support plate 300, so that the elastic member 400 is compressed; when the avoidance is completed, the elastic member 400 has an elastic force to drive the support plate 300 to move upward, thereby restoring the support plate 300.

In an alternative of this embodiment, please refer to fig. 2 and 3, the connection block 120 includes a first connection block 130 and a second connection block 140.

The connecting block 120 comprises a first connecting block 130 and a second connecting block 140, the first connecting block 130 and the second connecting block 140 are used for fixing and adjusting two products 700 respectively, accurate positioning of the two products 700 is achieved, and precision of the products 700 is improved.

The shape and structure of the first connection block 130 will be described in detail below:

in an alternative embodiment, referring to fig. 4 and 5, the first connecting block 130 is detachably connected to the supporting plate 300.

Specifically, the connection block 120 includes a first connection block 130 and a second connection block 140, and the first connection block 130 is screw-coupled with the support plate 300. Of course, other connection methods, such as a snap connection, etc., are also within the scope of the present invention.

The first connecting block 130 is detachably connected to the support plate 300, so that the position of the connecting block 120 can be adjusted and the connecting block 120 can be replaced conveniently.

In an alternative of this embodiment, the first connecting block 130 includes a plurality of special-shaped supporting blocks 131, and the plurality of special-shaped supporting blocks 131 are arranged at intervals along the Y direction.

The plurality of special-shaped supporting blocks 131 are positioned at the appearance pivot of the product 700 and support the product 700. And the shaped tray 131 and the support plate 300 form a portion in which the product 700 is accommodated while being bent downward.

In an alternative of this embodiment, the first connecting block 130 is detachably connected to the first positioning pin 111.

Specifically, the first positioning pin 111 is screwed with an end of the shaped holder 131 of the first connecting block 130 facing away from the support plate 300. The first positioning pins 111 are provided in plurality, and the plurality of first positioning pins 111 are connected with the plurality of special-shaped supporting blocks 131 in a one-to-one correspondence manner. Of course, the number of the first positioning pins 111 may be less than the number of the shaped trays 131. In the welding process, the product 700 fixed by the second connection block 140 is attached to the product 700 fixed by the first connection block 130, and the first positioning pin 111 penetrates the product 700 fixed by the first connection block 130 and is inserted into the product 700 fixed by the second connection block 140.

The first connecting block 130 is connected with the first positioning pin 111, so that the products 700 are positioned, the welding position precision is improved, and the dislocation of the two products 700 is avoided.

The structure and shape of the second connecting block 140 will be described in detail below:

in an alternative of this embodiment, the second connecting block 140 is rotatably connected to the support plate 300.

Specifically, the second connecting block 140 is provided with a connecting sleeve, and the support plate 300 is provided with a rotating shaft inserted into the connecting sleeve; or, the second connecting block 140 is provided with a rotating shaft, the supporting plate 300 is provided with a connecting sleeve, and the rotating shaft is inserted into the connecting sleeve to realize the rotating connection between the second connecting block 140 and the supporting plate 300.

In an alternative of the present embodiment, referring to fig. 6, 7 and 8, the second connecting block 140 includes a cylinder 141, a main body 142 and a rotating block 143; the cylinder 141 is rotatably connected with the main body 142; one end of the rotating block 143 is fixedly connected to the main body 142, and the other end is rotatably connected to the support plate 300.

Specifically, the telescopic rod of the cylinder 141 is hinged with the main body 142; one end of the rotating block 143 is screw-coupled to the main body 142, and the other end is rotatably coupled to the support plate 300 through a rotation shaft. Of course, other rotational connections are also within the scope of the present invention. When the second connecting block 140 moves towards the direction close to the first connecting block 130, the cylinder 141 drives the main body 142 to move upwards along the Z direction, and the rotating block 143 drives the main body 142 to deviate from the Z direction, so that the second connecting block 140 is close to the first connecting block 130; when the second connecting block 140 moves in a direction away from the first connecting block 130, the cylinder 141 drives the main body 142 to move downward along the Z direction, and the rotating block 143 drives the main body 142 to return to the Z direction, so that the second connecting block 140 moves away from the first connecting block 130.

The air cylinder 141 is used for driving the main body 142 to move, so that manual operation is reduced, and the production efficiency and the product 700 precision are improved.

In an alternative embodiment, referring to fig. 9, the second connecting block 140 is detachably connected to the second positioning pin 112.

Specifically, the second positioning pin 112 is screw-coupled to a surface of the body 142 of the second connection block 140 opposite to the support plate 300. The second positioning pin 112 is provided in plurality. In the assembled state, the second positioning pin 112 is inserted into the product 700 fixed by the second connection block 140.

The second connecting block 140 is connected with the second positioning pin 112, so that the product 700 is positioned and fixed, and the welding position precision is improved.

In an alternative of this embodiment, the fixture further includes an inductor 200, the inductor 200 is disposed on a surface of the supporting plate 300 facing away from the elastic member 400, and the inductor 200 is configured to identify whether the welding point is welded.

Specifically, the position of the through hole on the product 700 requires welding of accessories such as bolts, and the sensor 200 senses whether the through hole is covered, and if the through hole is not covered, the product 700 cannot enter the next process.

Inductor 200 discerns whether product 700 accomplishes the welding through sensitization etc. prevents effectively that the problem of weld omission from appearing in the production process, has improved production quality, and has reduced the rework rate.

In an alternative of this embodiment, the fixture includes an X-direction slide rail 610, a Y-direction slide rail 620 and a table top 800; one side of the table top 800 is provided with the clamping assembly 100, and the other side is connected with the X-direction slide rail 610 in a sliding manner; the side of the X-direction slide rail 610 facing away from the table 800 is slidably connected to the Y-direction slide rail 620.

Specifically, the clamping assembly 100 is located on the table top 800, and the table top 800 is slidably connected with the X-direction slide rail 610 through a roller; the X-direction slide rail 610 and the Y-direction slide rail 620 are connected in a sliding manner through balls. Of course, other sliding connection means, such as pulleys, guide rails, etc., should be within the scope of the present invention.

One side of the table top 800 is connected with the clamping assembly 100, and the other side of the table top 800 is connected with the X-direction slide rail 610 in a sliding manner, so that the table top 800 can linearly reciprocate along the X direction, and further the clamping assembly 100 can linearly reciprocate along the X direction; the X-direction slide rail 610 is connected with the Y-direction slide rail 620 in a sliding manner, so that the table top 800 can reciprocate linearly along the Y-direction, and further the clamping assembly 100 can reciprocate linearly along the Y-direction.

In the optional solutions of this embodiment, a plurality of clamping assemblies 100 and a plurality of tables 800 are provided, and the plurality of clamping assemblies 100 are connected with the plurality of tables 800 in a one-to-one correspondence manner; a plurality of clamping assemblies 100 are spaced in parallel along the Y-direction.

The plurality of clamping assemblies 100 are arranged, multi-station production can be achieved, namely when one clamping assembly 100 finishes fixing a product 700 and performs welding work, the other clamping assembly 100 performs positioning assembly on a new product 700, the positioning assembly and the welding assembly are repeated, and the working efficiency is improved.

Example two:

the present embodiment provides a welding machine, which includes the fixture described in the first embodiment, and therefore, all the advantages of the first embodiment are also provided, and no further description is provided herein.

In an alternative of this embodiment, please refer to fig. 10 and 11, the welding machine further includes a welding device 900, the welding device 900 and the fixture are disposed at an interval along the Z-direction, and the product 700 is clamped between the welding device 900 and the fixture.

The welder further comprises a welding device 900 for welding the product 700.

In an optional scheme of the embodiment, the welding machine further comprises a control system, and the control system is electrically connected with the clamp; the control system is configured to control a position of the clamp.

The control system controls the position of the clamp, numerical control automatic processing is realized, and the production efficiency and the product 700 precision are improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A clamp, comprising: a clamping assembly (100) and a drive assembly (500);

the clamping assembly (100) comprises a positioning pin (110) and a connecting block (120), one end of the positioning pin (110) is detachably connected with the connecting block (120) in an assembling state, and the other end of the positioning pin is inserted into a through hole of a product (700);

the clamping assembly (100) is detachably connected with the driving assembly (500), and the driving assembly (500) is configured to drive the clamping assembly (100) to linearly reciprocate along the X direction or the Y direction.

2. The clamp according to claim 1, wherein the clamping assembly (100) further comprises a support plate (300) and a resilient member (400);

one side of the supporting plate (300) is connected with the connecting block (120), and the other side of the supporting plate is connected with the elastic piece (400);

the elastic member (400) has an elastic force for driving the support plate (300) to move upward when being compressed.

3. The clamp according to claim 2, wherein the connection block (120) comprises a first connection block (130) and a second connection block (140), the first connection block (130) being detachably connected with the support plate (300), the second connection block (140) being rotatably connected with the support plate (300).

4. The clamp according to claim 3, wherein the positioning pin (110) comprises a first positioning pin (111) and a second positioning pin (112);

the first positioning pin (111) is detachably connected with the first connecting block (130);

the second positioning pin (112) is detachably connected with the second connecting block (140).

5. The clamp according to claim 2, further comprising an inductor (200), wherein the inductor (200) is arranged on a surface of the support plate (300) facing away from the elastic member (400);

the inductor (200) is configured to identify whether the weld joint is finished.

6. The clamp of claim 2, comprising an X-direction slide (610), a Y-direction slide (620), and a table top (800);

one side of the table top (800) is provided with the clamping assembly (100), and the other side of the table top is connected with the X-direction sliding rail (610) in a sliding manner;

one side of the X-direction sliding rail (610) departing from the table top (800) is connected with the Y-direction sliding rail (620) in a sliding mode.

7. The clamp according to claim 6, characterized in that a plurality of clamping assemblies (100) and a plurality of table tops (800) are provided, and the plurality of clamping assemblies (100) are connected with the plurality of table tops (800) in a one-to-one correspondence manner;

the clamping assemblies (100) are arranged in parallel along the Y direction at intervals.

8. A welding machine comprising a fixture as claimed in any one of claims 1 to 7.

9. The welding machine as defined in claim 8 further comprising a welding device (900), the welding device (900) spaced from the fixture in the Z-direction, the product (700) being sandwiched between the welding device (900) and the fixture.

10. The welder of claim 9, further comprising a control system electrically connected with the clamp;

the control system is configured to control a position of the clamp.