Laser welding die for automobile arm column

Abstract

The utility model relates to the technical field of automobile arm column welding, and discloses a laser welding die for an automobile arm column, which comprises a base, a welding die and four connecting blocks, the four connecting blocks are located on the left side and the right side of the front side and the rear side of the bottom of the welding mold correspondingly and fixedly connected with the bottom of the welding mold, the surfaces of the connecting blocks make contact with an inner cavity of the base, and containing grooves are formed in the front side and the rear side of the inner cavity of the base correspondingly. The welding mold solves the problems that when automobile arm columns of different shapes or sizes are welded, different welding molds need to be used to adapt to the automobile arm columns of different shapes or sizes, but the welding molds are fixedly connected with the base through a plurality of fixing pieces and connecting pieces, and in the process that the welding molds need to be replaced, the welding mold needs to be replaced. And the welding mold cannot be quickly dismounted and replaced according to the requirements of a user, so that the replacement convenience of the welding mold is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile arm column welding, in particular to a laser welding die for an automobile arm column. Background Art

[0002] The laser welding mold for the automobile arm column is a tool used to assist in the laser welding of the automobile arm column. It is usually made of metal materials and has a specific shape and size to meet the welding needs of the automobile arm column. The laser welding mold can provide stable support and positioning functions, so that the position of the automobile arm column is accurate during the laser welding process. By using the laser welding mold, the welding quality and efficiency can be improved, ensuring that the welding connection of the automobile arm column is firm and reliable.

[0003] The laser welding mold of the automobile arm column plays an important role in the laser welding process. The laser welding mold can ensure the correct position and positioning of the automobile arm column, so that each welding point is welded at the predetermined position during the welding process, ensuring the accuracy and consistency of the welding. The laser welding mold can fix the automobile arm column to prevent movement or shaking during the welding process, thereby ensuring the stability and accuracy of the welding. The laser welding mold provides additional support to keep the automobile arm column stable during the welding process, avoid deformation or distortion, thereby ensuring the welding quality. The laser welding mold can reduce the risk of welding operators and reduce the risk of misoperation during the laser welding process. Accidents caused by this. In summary, the laser welding mold plays a role of positioning, fixing, supporting and safety in the laser welding process of automobile arm columns, helping to improve welding quality, improve production efficiency and reduce risks. The problem with the above technology is: when welding automobile arm columns of different shapes or sizes, different welding molds are needed to adapt to a variety of automobile arm columns of different shapes or sizes for use, but the welding mold is connected and fixed to the base through multiple fixings and connecting parts. When the welding mold needs to be replaced, the welding mold cannot be quickly removed and replaced according to user needs, thereby reducing the convenience of replacing the welding mold. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a laser welding mold for an automobile arm column which can overcome the above problems or at least partially solve the above problems.

[0005] The utility model is implemented as follows: a laser welding mold for an automobile arm column comprises a base, a welding mold and four connecting blocks, wherein the welding mold is located at the top of the base, the four connecting blocks are respectively located at the left and right sides of the front and rear sides of the bottom of the welding mold and are fixedly connected to the bottom of the welding mold, the surface of the connecting block contacts the inner cavity of the base, the front and rear sides of the inner cavity of the base are both provided with placement grooves; the inner cavity of the placement groove is provided with a positioning mechanism used in conjunction with the welding mold; the inner cavity of the placement groove is provided with a transmission mechanism used in conjunction with the positioning mechanism.

[0006] In order to improve the convenience of assembling the welding mold and the base, preferably, the positioning mechanism includes four positioning rods, two connecting rods and two tension springs, the four positioning rods are respectively located around the inner cavity of the placement groove, the two connecting rods are respectively located on the left and right sides of the inner cavity of the placement groove, the side of the positioning rod close to the connecting rod is fixedly connected to the surface of the connecting rod, the two tension springs are respectively located on the left and right sides of the inner cavity of the placement groove and fixedly connected to the inner wall of the placement groove, and the side of the tension spring close to the connecting rod is fixedly connected to the surface of the connecting rod. By setting the positioning mechanism, the positioning rod can cooperate with the connecting block and the base to quickly assemble and fix the welding mold and the base, thereby avoiding the situation where the welding mold cannot be quickly fixed after docking with the base.

[0007] In order to improve the mobility of the positioning mechanism, preferably, the transmission mechanism includes a fixed block, two traction rods, a movable block and a transmission rod, the fixed block is located at the bottom of the inner cavity of the placement groove and is fixedly connected to the inner wall of the placement groove, the two traction rods are respectively located on the left and right sides of the front side of the fixed block and are movably connected to the front side of the fixed block through a rotating shaft, the movable block is located on the rear side of the two traction rods and contacts the surface of the rear side of the traction rods, the transmission rod is located on the front side of the movable block and is fixedly connected to the front side of the movable block, and the surface of the rear side of the traction rod contacts the inner cavity of the connecting rod. By setting up the transmission mechanism, the movable block can achieve the function of quickly driving the positioning rod to move through the mutual cooperation of the traction rod and the connecting rod, thereby avoiding the situation where the welding mold cannot be separated from the fixed state when the welding mold needs to be removed for replacement.

[0008] In order to improve the movement stability of the transmission mechanism, preferably, moving blocks are fixedly connected to the left and right sides of the top of the movable block, and support rods are sleeved on the surfaces of the two moving blocks. The top of the support rod is fixedly connected to the inner wall of the placement groove. By setting the moving block and the support rod, the support rod can assist the movable block to move along a certain moving trajectory through the moving block, thereby avoiding the left and right deviation of the movable block during the movement.

[0009] In order to improve the moving stability of the positioning mechanism, preferably, the top and bottom of the connecting rod are fixedly connected with a plug-in rod, the inner cavity of the plug-in rod is movably connected to a limiting block, and the side of the limiting block close to the inner wall of the placement groove is fixedly connected to the inner wall of the placement groove. By setting the plug-in rod and the limiting block, the limiting block can limit the connecting rod and the positioning rod through the plug-in rod, thereby avoiding shaking of the connecting rod and the positioning rod when moving.

[0010] In order to improve the docking effect of the positioning rod, preferably, connecting holes are provided at the top and bottom on both sides of the left and right sides of the base inner cavity, and positioning grooves are provided at the top and bottom on the opposite sides of the two connecting blocks. The side of the positioning rod close to the inner cavity of the positioning groove passes through the connecting hole and extends to the inner cavity of the positioning groove. By setting the connecting hole and the positioning groove, the connecting hole can enable the positioning rod to be quickly docked with the positioning groove.

[0011] In order to improve the moving effect of the transmission rod, preferably, movable holes are opened on the front and rear sides of the base, and the side of the transmission rod close to the inner cavity of the movable hole passes through the movable hole and extends to the outside of the base. By setting the movable hole, the movable hole avoids the transmission rod from contacting the inner wall of the base when moving, thereby generating friction.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model provides a base, a welding mold, a connecting block, a placement groove, a positioning mechanism and a transmission mechanism, and pulls the transmission rod to move according to the opening track of the movable hole. The transmission rod drives the movable block to move during the movement, and the movable block contacts the surface of the traction rod and applies force to the traction rod during the movement. After the force is applied, the traction rod rotates around the rotating shaft point connected to the fixed block, and when the traction rod rotates, it contacts the inner wall of the connecting rod and applies force to the inner wall of the connecting rod. After the force is applied, the connecting rod stretches the tension spring and drives the positioning rod to separate from the inner cavity of the positioning groove. When the positioning rod separates from the positioning After the inner cavity of the groove is inserted, the welding mold can be removed for replacement, and the welding mold to be used can be plugged into the top of the base. After the plugging is completed, the transmission rod is loosened, and the movable block will fall down by itself to reset. During the resetting process, the movable block will cause the traction rod to lose the force state. After the traction rod loses the force state, the tension of the tension spring will shrink, and it will quickly drive the positioning rod to insert into the inner cavity of the positioning groove through the connecting rod. After the positioning rod is inserted into the inner cavity of the positioning groove, the welding mold can be quickly fixed through the cooperation of the connecting block and the base, so as to achieve the effect of quickly removing and replacing the welding mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a schematic diagram of a three-dimensional structure provided by an embodiment of the utility model;

[0015] Figure 2 The embodiment of the utility model provides a three-dimensional cross-sectional view;

[0016] Figure 3 It is a schematic diagram of the connection of the internal structure of the placement slot provided by the embodiment of the utility model;

[0017] Figure 4 The utility model embodiment provides Figure 2 A partial enlarged view of point A in the middle.

[0018] In the figure: 1. base; 2. welding mold; 3. connecting block; 4. placement slot; 5. positioning mechanism; 6. transmission mechanism; 501. positioning rod; 502. connecting rod; 503. tension spring; 601. fixed block; 602. traction rod; 603. movable block; 604. transmission rod; 7. moving block; 8. support rod; 9. plug-in rod; 10. limit block; 11. connecting hole; 12. positioning slot; 13. movable hole. DETAILED DESCRIPTION

[0019] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0020] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0021] like Figures 1 to 4As shown, a laser welding mold for an automobile arm column provided by an embodiment of the utility model comprises a base 1, a welding mold 2 and four connecting blocks 3, the welding mold 2 is located at the top of the base 1, the four connecting blocks 3 are respectively located at the left and right sides of the front and rear sides of the bottom of the welding mold 2 and are fixedly connected to the bottom of the welding mold 2, the surface of the connecting block 3 is in contact with the inner cavity of the base 1, and the front and rear sides of the inner cavity of the base 1 are both provided with a placement groove 4; the inner cavity of the placement groove 4 is provided with a positioning mechanism 5 used in conjunction with the welding mold 2; the inner cavity of the placement groove 4 is provided with a transmission mechanism 6 used in conjunction with the positioning mechanism 5, and the positioning mechanism 5 comprises four positioning rods 501, two connecting rods 502 and two tension springs 503, and the four positioning rods 501 are respectively located around the inner cavity of the placement groove 4 , the two connecting rods 502 are respectively located on the left and right sides of the inner cavity of the placement groove 4, the side of the positioning rod 501 close to the connecting rod 502 is fixedly connected to the surface of the connecting rod 502, the two tension springs 503 are respectively located on the left and right sides of the inner cavity of the placement groove 4 and are fixedly connected to the inner wall of the placement groove 4, the side of the tension spring 503 close to the connecting rod 502 is fixedly connected to the surface of the connecting rod 502, by setting the positioning mechanism 5, the positioning rod 501 plays a role in quickly assembling and fixing the welding mold 2 and the base 1 through the mutual cooperation of the connecting block 3 and the base 1, avoiding the situation that the welding mold 2 cannot be quickly fixed after docking with the base 1, and the transmission mechanism 6 includes a fixed block 601, two traction rods 602, a movable block 603 and a transmission rod 6 04, the fixed block 601 is located at the bottom of the inner cavity of the placement groove 4 and is fixedly connected to the inner wall of the placement groove 4, the two traction rods 602 are respectively located on the left and right sides of the front side of the fixed block 601 and are movably connected to the front side of the fixed block 601 through a rotating shaft, the movable block 603 is located at the rear side of the two traction rods 602 and contacts the surface of the rear side of the traction rods 602, the transmission rod 604 is located at the front side of the movable block 603 and is fixedly connected to the front side of the movable block 603, the surface of the rear side of the traction rod 602 contacts the inner cavity of the connecting rod 502, and by setting the transmission mechanism 6, the movable block 603 can achieve the function of quickly driving the positioning rod 501 to move through the mutual cooperation of the traction rod 602 and the connecting rod 502, thereby avoiding the need to dismantle the welding mold 2 for insertion. When the welding mold 2 is replaced, it is impossible to make the welding mold 2 out of the fixed state. The left and right sides of the top of the movable block 603 are fixedly connected with movable blocks 7. The surfaces of the two movable blocks 7 are sleeved with support rods 8. The tops of the support rods 8 are fixedly connected to the inner walls of the placement grooves 4. By setting the movable blocks 7 and the support rods 8, the support rods 8 can assist the movable block 603 to move along a certain activity trajectory through the movable blocks 7, thereby avoiding the movable block 603 from deviating left and right during the movement. The top and bottom of the connecting rod 502 are fixedly connected with the plug rod 9. The inner cavity of the plug rod 9 is movably connected to the limit block 10. The side of the limit block 10 close to the inner wall of the placement groove 4 is fixedly connected to the inner wall of the placement groove 4. By setting the plug rod 9 and the limit block 10,The limit block 10 can limit the connection rod 502 and the positioning rod 501 through the plug-in rod 9, thereby preventing the connection rod 502 and the positioning rod 501 from shaking when moving. Connection holes 11 are provided at the top and bottom of the left and right sides of the inner cavity of the base 1, and positioning grooves 12 are provided at the top and bottom of the opposite sides of the two connection blocks 3. The side of the positioning rod 501 close to the inner cavity of the positioning groove 12 passes through the connection hole 11 and extends to the inner cavity of the positioning groove 12. By setting the connection hole 11 and the positioning groove 12, the connection hole 11 can make the positioning rod 501 quickly dock with the positioning groove 12. The front and rear sides of the base 1 are provided with movable holes 13. The side of the transmission rod 604 close to the inner cavity of the movable hole 13 passes through the movable hole 13 and extends to the outside of the base 1. By setting the movable hole 13, the movable hole 13 prevents the transmission rod 604 from contacting the inner wall of the base 1 and generating friction when moving.

[0022] The working principle of this utility model:

[0023] When in use, the transmission rod 604 is pulled to move according to the opening trajectory of the movable hole 13, and the transmission rod 604 will drive the movable block 603 to move during the movement, and the movable block 603 will contact the surface of the traction rod 602 during the movement and apply force to the traction rod 602, and after being applied force, the traction rod 602 will rotate around the pivot point connected to the fixed block 601, and when the traction rod 602 rotates, it will contact the inner wall of the connecting rod 502 and apply force to the inner wall of the connecting rod 502, and after being applied force, the connecting rod 502 will stretch the tension spring 503 and drive the positioning rod 501 to disengage from the inner cavity of the positioning groove 12, and after the positioning rod 501 disengages from the inner cavity of the positioning groove 12, The welding mold 2 is removed for replacement, and the welding mold 2 to be used is plugged into the top of the base 1. After the plugging is completed, the transmission rod 604 is released, and the movable block 603 will fall down by itself to reset. During the resetting process, the movable block 603 will cause the traction rod 602 to lose the stressed state. After the traction rod 602 loses the stressed state, the tension of the tension spring 503 shrinks, and the positioning rod 501 will be quickly driven to insert into the inner cavity of the positioning groove 12 through the connecting rod 502. After the positioning rod 501 is inserted into the inner cavity of the positioning groove 12, the welding mold 2 can be quickly fixed through the cooperation of the connecting block 3 and the base 1, thereby achieving the effect of quickly removing and replacing the welding mold 2.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] The above description is only a preferred embodiment of the present invention, and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this patent will not depart from the scope of the technical solution of the present invention.

Claims

1. A laser welding mold for an automobile arm column, comprising a base (1), a welding mold (2) and four connecting blocks (3), characterized in that: The welding mold (2) is located on the top of the base (1); the four connecting blocks (3) are respectively located on the left and right sides of the front and rear sides of the bottom of the welding mold (2) and are fixedly connected to the bottom of the welding mold (2); the surface of the connecting block (3) is in contact with the inner cavity of the base (1); and the front and rear sides of the inner cavity of the base (1) are provided with placement grooves (4); The inner cavity of the placement groove (4) is provided with a positioning mechanism (5) used in conjunction with the welding mold (2); The inner cavity of the placement groove (4) is provided with a transmission mechanism (6) used in conjunction with the positioning mechanism (5).

2. The laser welding mold for an automobile arm column according to claim 1, characterized in that: The positioning mechanism (5) comprises four positioning rods (501), two connecting rods (502) and two tension springs (503); the four positioning rods (501) are respectively located around the inner cavity of the placement groove (4); the two connecting rods (502) are respectively located on the left and right sides of the inner cavity of the placement groove (4); the side of the positioning rod (501) close to the connecting rod (502) is fixedly connected to the surface of the connecting rod (502); the two tension springs (503) are respectively located on the left and right sides of the inner cavity of the placement groove (4) and are fixedly connected to the inner wall of the placement groove (4); the side of the tension spring (503) close to the connecting rod (502) is fixedly connected to the surface of the connecting rod (502).

3. The laser welding mold for an automobile arm column as claimed in claim 2, characterized in that: The transmission mechanism (6) comprises a fixed block (601), two traction rods (602), a movable block (603) and a transmission rod (604); the fixed block (601) is located at the bottom of the inner cavity of the placement groove (4) and is fixedly connected to the inner wall of the placement groove (4); the two traction rods (602) are respectively located on the left and right sides of the front side of the fixed block (601) and are movably connected to the front side of the fixed block (601) via a rotating shaft; the movable block (603) is located at the rear side of the two traction rods (602) and is in contact with the surface of the rear side of the traction rods (602); the transmission rod (604) is located at the front side of the movable block (603) and is fixedly connected to the front side of the movable block (603); the surface of the rear side of the traction rod (602) is in contact with the inner cavity of the connecting rod (502).

4. The laser welding mold for an automobile arm column as claimed in claim 3, characterized in that: The left and right sides of the top of the movable block (603) are fixedly connected with moving blocks (7), and the surfaces of the two moving blocks (7) are sleeved with support rods (8), and the tops of the support rods (8) are fixedly connected to the inner wall of the placement groove (4).

5. The laser welding mold for an automobile arm column as claimed in claim 2, characterized in that: The top and bottom of the connecting rod (502) are fixedly connected to a plug rod (9), the inner cavity of the plug rod (9) is movably connected to a limit block (10), and the limit block (10) is fixedly connected to the inner wall of the placement groove (4) on one side thereof close to the inner wall of the placement groove (4).

6. The laser welding mold for an automobile arm column as claimed in claim 2, characterized in that: The top and bottom of the left and right sides of the inner cavity of the base (1) are provided with connection holes (11), the top and bottom of the opposite side of the two connection blocks (3) are provided with positioning grooves (12), and the positioning rod (501) passes through the connection hole (11) on the side close to the inner cavity of the positioning groove (12) and extends to the inner cavity of the positioning groove (12).

7. The laser welding mold for an automobile arm column as claimed in claim 3, characterized in that: The front and rear sides of the base (1) are both provided with movable holes (13), and the transmission rod (604) passes through the movable hole (13) on the side close to the inner cavity of the movable hole (13) and extends to the outside of the base (1).

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