Front triangular splayed double-station robot welding workstation for baby carriage frame

Abstract

The utility model discloses a front triangular splayed double-station robot welding workstation for a baby carriage frame. The front triangular splayed double-station robot welding workstation comprises a closed working fence, a welding robot and a workbench. The welding robot is fixedly arranged in the working fence, the number of the workbenches is two, the welding robot is located between the two workbenches and staggered with the workbenches, a waste gas extraction device is arranged at the top of the working fence, each workbench is movably provided with a positioning clamp assembly, and the two workbenches and the welding robot form an included angle of 60 degrees to form a splayed shape. By the adoption of the method, the double workbenches and the welding robot are arranged in the shape of the Chinese character'ba 'at the included angle of 60 degrees, the optimal motion path and the fastest production takt are achieved, and the production efficiency is improved; the automatic gun cleaning device can reduce the use cost of the welding gun and prolong the service life of the welding gun; and by means of the positioning clamp assembly, a worker can conveniently conduct quick positioning and using, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding of baby carriage frames, in particular to a front triangular eight-shaped double-station robot welding workstation for a baby carriage frame. Background Art

[0002] There are many kinds of bicycles on the market, and the sizes of various pipes are inconsistent. The pipe fixing methods of different models are also different. When clamping and fixing baby bicycle pipes of different diameters, the corresponding mold size also needs to be replaced. At the same time, in the existing welding environment, it is usually carried out in an open workshop. At this time, the exhaust gas generated by welding will be absorbed by the staff, causing harm to the staff's body. In addition, different parts of the baby bicycle pipe need to be welded from different angles during welding. The existing workbenches are all conventionally placed, which causes the welding robot to do unnecessary movements to achieve different welding angles, resulting in low welding efficiency.

[0003] Therefore, it is urgent to design a front triangular eight-shaped double-station robot welding workstation for a baby carriage frame to overcome the deficiencies of one or more of the above-mentioned prior arts. Utility Model Content

[0004] The technical solution adopted by the utility model to solve the above technical problems is: to provide a front triangular eight-shaped double-station robot welding workstation for a baby carriage frame, characterized in that it includes: a closed working fence, a welding robot, and a workbench; the welding robot is fixedly arranged in the working fence, and two workbenches are provided, the welding robot is located between the two workbenches and staggered with the workbenches, a waste gas extraction device for extracting welding waste gas is provided on the top of the working fence, and a positioning fixture assembly for fixing the frame is movably provided on each of the workbenches, the two workbenches are respectively arranged at an angle of 60° with the welding robot to form an eight-shaped shape, and a liftable automatic protective baffle is also provided between the two workbenches.

[0005] Furthermore, in this embodiment, each of the workbenches includes: two pairs of bottom brackets, the two pairs of the bottom brackets are arranged at intervals, a workbench fixture is fixedly provided on the top of each pair of the bottom brackets, a positioning workbench is fixedly mounted on the two workbench fixtures, and the positioning fixture assembly is movably provided above the positioning workbench.

[0006] Furthermore, in the present embodiment, the positioning fixture assembly includes: a seat tube bracket, a first down tube bracket, a second down tube bracket, and a head tube bracket, the head tube bracket being fixedly arranged at one end of the positioning operating table away from the welding robot, the second down tube bracket, the first down tube bracket and the seat tube bracket being movably arranged on the positioning operating table in sequence from back to front, the seat tube bracket being used to fix and press one end of the frame; the first down tube bracket and the second down tube bracket being used to support the upper support frame, and the head tube bracket being used to fix the other end of the frame.

[0007] Further, in the present embodiment, the positioning operating table is provided with a plurality of threaded holes arranged at intervals, the bottom end of the seat tube bracket is detachably connected to the threaded holes, the seat tube bracket is further provided with two opposite five-way internal pressure pieces, the top of the seat tube bracket is connected with a seat tube pressing piece through a seat tube pressing positioner; the bottom end of the first down tube bracket is detachably connected to the threaded hole, the first down tube bracket is arranged at intervals from the seat tube bracket, and the top of the first down tube bracket is provided with a first down tube supporting piece; the bottom end of the second down tube bracket is detachably connected to the threaded hole, the middle part of the second down tube bracket is provided with a second down tube supporting piece, and the top of the second down tube bracket is fixedly provided with an upper tube pressing piece; a plurality of adjustment holes are opened on one side of the head tube bracket, the middle part of the head tube bracket is detachably connected with a head tube upper supporting piece, and the top of the head tube bracket is detachably connected with a head tube pressing piece.

[0008] Furthermore, in this embodiment, both the first lower tube supporting member and the second lower tube supporting member are provided with a V-shaped groove.

[0009] Furthermore, in this embodiment, a riser positioning block is also integrally provided on the riser bracket, and the riser positioning block is located between the riser lower pressure piece and the five-way inner pressure piece.

[0010] Furthermore, in this embodiment, an automatic gun cleaning device is provided between the two workbenches, and the automatic gun cleaning device is used to clean the welding head of the welding robot.

[0011] The beneficial effects of the utility model are as follows: 1. The double work tables are arranged in an eight-shaped shape at an angle of 60° with the welding robot, so that the welding robot can weld two sets of bicycle frames at one time, and the welding work at this angle can achieve the optimal path and the fastest production rhythm, thereby improving production efficiency;

[0012] 2. The automatic protective baffle provides protection for the workers during welding. After the welding work is completed, an automatic gun cleaning device is provided to reduce the cost of using the welding gun, improve the efficient welding quality of welding materials, extend the service life of the welding gun, and avoid workers frequently changing the gun head to increase dangerous operations and increase the cost of use;

[0013] 3. During welding, the gas released is collected by the exhaust gas collection device on the top, which ensures the health of the personnel using the workstation. The welding time of this workstation is short and the use efficiency is high. The positioning fixture assembly is convenient for the personnel to quickly locate and use, thereby improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the interior of the working fence of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the workbench of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the positioning fixture assembly of the utility model.

[0018] In the figure:

[0019] 10. Work fence; 101. Protective door; 11. Welding robot; 111. Fixed base; 12. Workbench; 121. Bottom bracket; 122. Operating table fixture; 123. Positioning operating table; 124. Threaded hole; 13. Positioning fixture assembly; 131. Riser bracket; 132. Clamping positioner; 133. Riser pressing positioner; 134. Riser pressing piece; 135. Riser positioning block; 136. 1. A lower tube bracket; 137. A first lower tube supporting member; 138. A V-shaped groove; 139. A second lower tube bracket; 140. A second lower tube supporting member; 141. An upper tube lower pressure member; 142. A head tube bracket; 143. An adjustment hole; 144. A head tube upper supporting member; 145. A head tube lower pressure member; 146. An inner pressure member of a bottom bracket; 15. An automatic protective baffle; 16. An automatic gun cleaning device; 17. An exhaust gas extraction device; 171. A ventilation duct. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0021] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms, "connection" and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "connection" can be a direct connection or an indirect connection through an intermediate medium. Among them, "fixed" means that they are connected to each other and the relative position relationship after connection remains unchanged. The directional terms mentioned in the embodiments of the present utility model, such as "inside", "outside", "top", "bottom", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present utility model.

[0022] In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0023] In the embodiment of the present invention, "and / or" is only a description of the association relationship of the associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0024] References to "one embodiment" or "some embodiments" etc. described in this specification mean that one or more embodiments of the utility model include specific features, structures or characteristics described in conjunction with the embodiment. Therefore, the statements "in one embodiment", "in some embodiments", "in some other embodiments", "in some other embodiments", etc. that appear in different places in this specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways. The terms "including", "comprising", "having" and their variations all mean "including but not limited to", unless otherwise specifically emphasized in other ways. Therefore, the utility model is not limited to the specific embodiments disclosed below.

[0025] like Figure 1-Figure 4As shown, the utility model provides a front triangular figure-eight double-station robot welding workstation for a baby carriage frame, characterized in that it comprises: a closed work fence 10, a welding robot 11, and a workbench 12; the welding robot 11 is fixedly arranged in the work fence 10, and two workbenches 12 are provided, the welding robot 11 is located between the two workbenches 12 and staggered with the workbenches 12, and an exhaust gas extraction device 17 for extracting welding exhaust gas is provided on the top of the work fence 10, and a positioning fixture assembly 13 for fixing the frame is movably provided on each of the workbenches 12, and the two workbenches 12 are respectively arranged at an angle of 60° with the welding robot 11 to form an figure-eight shape, and a liftable automatic protective baffle 15 is also provided between the two workbenches 12;

[0026] Specifically, the work fence 10 is closed, and the work fence 10 can block the arc generated by the welding robot 11 during welding, so as to prevent the arc generated by the welding from affecting the workers. Two workbenches 12 are arranged at intervals in the work fence 10. The two workbenches 12 are placed at an angle of 60° to the welding machine 11 respectively, and the two workbenches 12 form an eight-shaped shape, wherein the welding robot 11 is located between the two workbenches 12 and is staggered with the workbenches 12, so that when the welding robot 11 is welding the front triangle of the baby carriage frame, the movement stroke is reduced, and the fastest production rhythm is achieved, thereby improving the welding efficiency. A fixed base 111 is provided at the bottom of the welding robot 11 for supporting the welding robot 11, and a positioning fixture group is provided on each workbench 12 Part 13, the positioning fixture assembly 13 is movably connected to the workbench 12, which is convenient for adjusting the position to adapt to frames of different sizes; in order to prevent the exhaust gas generated during welding from being inhaled by the workers, an exhaust gas extraction device 17 is also provided on the top of the work fence 10. When the welding robot 11 is welding, the exhaust gas generated is discharged by the exhaust gas extraction device 17 through the ventilation duct 171, so that the workers will not inhale the exhaust gas when entering the work fence 10. A liftable automatic protective baffle 15 is also provided between the two workbenches 12. When the welding robot 11 is working, the automatic protective baffle 15 rises automatically to separate the two workbenches 12. At this time, the staff can dismantle the bracket or install the bracket on the other workbench 12 to ensure the safety of the staff.

[0027] It should be noted that a protective door 101 is provided on one side of the working fence 10 to prevent non-staff members from entering the working fence, thereby reducing safety risks.

[0028] Furthermore, each of the workbenches 12 comprises: two pairs of bottom brackets 121, the two pairs of bottom brackets 121 are arranged at intervals, a workbench fixture 122 is fixedly provided on the top of each pair of bottom brackets 121, a positioning workbench 123 is fixedly provided on the two workbench fixtures 122, and the positioning fixture assembly 13 is movably provided above the positioning workbench 123;

[0029] Specifically, each workbench 12 is composed of two pairs of bottom brackets 121, an operating table fixture 122 and a positioning operating table 123. A pair of bottom brackets 121 are respectively fixed at the two ends of the operating table fixture 122 to support the operating table fixture 122. The positioning operating table 123 is fixedly arranged across the two operating table fixtures 122. The positioning fixture assembly 13 is movably arranged on the positioning operating table 123. The positioning fixture assembly 13 can be moved on the positioning operating table 123 to adapt to the fixation of frames of different sizes without disassembly and replacement, thereby improving work efficiency and reducing supporting costs.

[0030] Further, the positioning fixture assembly 13 includes: a stand tube bracket 131, a first down tube bracket 136, a second down tube bracket 139, and a head tube bracket 142. The head tube bracket 142 is fixedly arranged on one end of the positioning operation table 123 away from the welding robot 11. The second down tube bracket 139, the first down tube bracket 136, and the stand tube bracket 131 are movably arranged on the positioning operation table 123 in sequence from back to front. The stand tube bracket 131 is used to fix and press one end of the frame; the first down tube bracket 136 and the second down tube bracket 139 are used to support the upper support frame, and the head tube bracket 142 is used to fix the other end of the frame.

[0031] Specifically, the head tube bracket 142 is integrally connected to the end of the positioning operating table 123 away from the welding robot 11. The head tube bracket 142 is used to fix the head tube of the frame. The second down tube bracket 139 is located on the side of the head tube bracket 142 facing the welding robot 11 and is movably connected to the positioning operating table 123, and is used to support the down tube of the upper support frame. The second down tube bracket 139 can be moved on the positioning operating table 123 to adjust the distance with the head tube bracket 142. The first down tube bracket 136 is located on the side of the second down tube bracket 139 facing the welding robot 11 and is movably connected to the positioning operating table 123. The positioning operating table 123 is movably connected to support the lower tube of the upper supporting frame. The first lower tube bracket 136 can move on the positioning operating table 123. The riser bracket 131 is arranged on the side of the first lower tube bracket 136 facing the welding robot 11 and is movably connected to the positioning operating table 123, and is used to fix the riser part of the frame. The frame is fixed by the riser bracket 131, the first lower tube bracket 136, the second lower tube bracket 139, and the head tube bracket 142 so that the whole frame is on the same horizontal plane, which is convenient for welding and ensures welding accuracy. It is simple to operate and helps to improve work efficiency.

[0032] Further, the positioning operation table 123 is provided with a plurality of threaded holes 124 arranged at intervals, the bottom end of the riser bracket 131 is detachably connected to the threaded hole 124, the riser bracket 131 is further provided with two opposite five-way internal pressure pieces 146, the top of the riser bracket 131 is connected to the riser pressing piece 134 through the riser pressing positioner 133; the bottom end of the first down tube bracket 136 is detachably connected to the threaded hole 124, the first down tube bracket 136 is arranged at intervals from the riser bracket 131, and the first down tube bracket 136 is arranged at intervals from the riser bracket 131. A first lower tube support 137 is provided at the top of the tube bracket 136; the bottom end of the second lower tube bracket 139 is detachably connected to the threaded hole 124, a second lower tube support 140 is provided at the middle of the second lower tube bracket 139, and an upper tube pressing member 141 is fixedly provided at the top of the second lower tube bracket 139; a plurality of adjustment holes 143 are provided at one side of the head tube bracket 142, a head tube upper support 144 is detachably connected to the middle of the head tube bracket 142, and a head tube pressing member 145 is detachably connected to the top of the head tube bracket 142;

[0033] Specifically, the positioning operation table 123 is provided with a plurality of threaded holes 124 arranged at intervals, and the bottom of the riser bracket 131 is detachably connected to the threaded hole through a clamping positioner 132, and the position of the riser bracket 131 can be set along the length direction of the positioning operation sleeve according to actual use requirements, wherein the riser bracket 131 is provided with two opposite five-way internal pressure pieces 146, and the two five-way internal pressure pieces 146 are opposite to each other on the left and right, and the five-way of the frame is fixed on the riser bracket 131 by the extrusion of the two five-way internal pressure pieces 146, and at the top of the riser bracket 131 A seat tube pressing member 134 is also connected to the seat tube pressing positioner 133 to press the seat tube connected to the bottom bracket, so as to fix the seat tube end; the bottom of the first lower tube bracket 136 is also detachably connected to the threaded hole 124 through the clamping positioner 132, and a first lower tube supporting member 137 is movably provided on the top of the first lower tube bracket 136. The first lower tube supporting member 137 can move along the height direction of the first lower tube bracket 136 to adjust the height of the first lower tube supporting member 137. The lower tube of the frame is fixed to the lower tube of the frame through the first lower tube supporting member 136. 37 is supported and suspended above the positioning operation platform 123. The second lower tube bracket 139 is also detachably connected to the threaded hole 124 through the clamping positioner 132 and can move along the length direction of the positioning operation platform 123. A second lower tube supporting member 140 is provided in the middle of the second lower tube bracket 139. The second lower tube supporting member 140 can also move along the height direction of the second lower tube bracket 139 to adjust the height of the second supporting member. At the same time, an upper tube pressing member 141 is also provided on the top of the second supporting member to press the upper tube of the frame. A plurality of adjustment holes 143 arranged at intervals are provided on one side of the head pipe bracket 142. A head pipe upper support 144 is also connected to the head pipe bracket 142. The head pipe upper support 144 can adjust the height on the head pipe bracket 142 through the adjustment holes 143. A head pipe pressing member 145 is also provided on the top of the head pipe bracket 142. The head pipe pressing member 145 can also adjust the height on the head pipe bracket 142 through the adjustment holes 143 to adapt to head pipes of different heights. The head pipe is fixed by the head pipe pressing member 145 and the head pipe upper support 144.

[0034] Furthermore, the first lower tube support member 137 and the second lower tube support member 140 are both provided with a V-shaped groove 138;

[0035] Specifically, in order to prevent the down tube from shifting laterally on the first down tube support 137 and the second down tube support 140, a V-shaped groove 138 is provided on the first down tube support 137 and the second down tube support 140. When the down tube is placed on the first down tube support 137 and the second down tube support 140, the V-shaped groove 138 can limit the movement of the down tube.

[0036] Furthermore, a standpipe positioning block 135 is integrated on the standpipe support 131, and the standpipe positioning block 135 is located between the standpipe down-pressing member 134 and the five-way inner pressure member 146;

[0037] Specifically, in order to facilitate the positioning of the frame so that it is in the middle position, a seat tube positioning block 135 is integrated on the seat tube bracket 131. The end of the seat tube positioning block 135 is in an inwardly concave arc shape and is adapted to the outer side of the seat tube. When the outer side of the seat tube contacts the seat tube positioning block 135, the five-way internal pressure piece 146 can be used to clamp the five-way, and the frame is in the middle position at this time.

[0038] Furthermore, in this embodiment, an automatic gun cleaning device 16 is provided between the two workbenches 12, and the automatic gun cleaning device 16 is used to clean the welding head of the welding robot 11;

[0039] Specifically, in order to improve the service life of the welding head of the welding robot 11, an automatic gun cleaning device 16 is also provided between the two workbenches 12. When the welding robot 11 completes welding or the welding head is blocked due to adhesion of spatter during welding, the automatic gun cleaning device 16 can automatically clean the welding head.

[0040] To summarize, the present application arranges the double workbenches in an eight-shaped arrangement at an angle of 60° to the welding robot so that the welding robot can weld two sets of bicycle frames at one time, and welding work at this angle can achieve the optimal path and the fastest production rhythm, thereby improving production efficiency; the automated protective baffle provides protection for the workers during the welding work, and after the welding work is completed, an automatic gun cleaning device is provided to reduce the cost of using the welding gun, improve the efficient welding quality of welding materials, extend the service life of the welding gun, and avoid workers frequently replacing gun heads to increase dangerous operations and increase usage costs; the gas released during welding work is collected by the top exhaust gas collection device, thereby ensuring the health of the workstation users. The workstation has a short welding time and high efficiency, and the positioning fixture assembly is used to facilitate quick positioning and use by the workers, thereby improving work efficiency.

[0041] The present invention is not limited to what is described in the specification and implementation modes, and therefore, additional advantages and modifications can be easily realized by those familiar with the art. Therefore, without departing from the spirit and scope of the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details, representative devices, and illustrative examples shown and described herein.

Claims

1. A front triangular figure eight-shaped double-station robot welding workstation for a baby carriage frame, characterized in that: It includes: a closed work fence, a welding robot, and a workbench; the welding robot is fixed in the work fence, there are two workbenches, the welding robot is located between the two workbenches and staggered with the workbenches, the top of the work fence is provided with an exhaust gas extraction device for extracting welding exhaust gas, each of the workbenches is movably provided with a positioning fixture assembly for fixing the frame, the two workbenches are respectively arranged at an angle of 60° with the welding robot to form an eight-shaped shape, and a liftable automatic protective baffle is also provided between the two workbenches.

2. The front triangular figure eight-shaped double-station robot welding workstation for a baby carriage frame according to claim 1, characterized in that: Each of the workbenches comprises: two pairs of bottom brackets, the two pairs of bottom brackets are spaced apart, a workbench fixture is fixedly provided on the top of each pair of bottom brackets, a positioning workbench is fixedly mounted on the two workbench fixtures, and the positioning fixture assembly is movably provided above the positioning workbench.

3. The front triangular figure eight-shaped double-station robot welding workstation for a baby carriage frame according to claim 2, characterized in that: The positioning fixture assembly includes: a seat tube bracket, a first down tube bracket, a second down tube bracket, and a head tube bracket. The head tube bracket is fixedly arranged on one end of the positioning operating table away from the welding robot. The second down tube bracket, the first down tube bracket and the seat tube bracket are movably arranged on the positioning operating table in sequence from back to front. The seat tube bracket is used to fix and press one end of the frame; the first down tube bracket and the second down tube bracket are used to support the upper support frame, and the head tube bracket is used to fix the other end of the frame.

4. The front triangular figure eight-shaped double-station robot welding workstation for a baby carriage frame according to claim 3, characterized in that: The positioning operating table is provided with a plurality of threaded holes arranged at intervals, the bottom end of the seat tube bracket is detachably connected to the threaded holes, the seat tube bracket is further provided with two opposite five-way internal pressure pieces, the top of the seat tube bracket is connected with a seat tube pressing piece through a seat tube pressing positioner; the bottom end of the first down tube bracket is detachably connected to the threaded hole, the first down tube bracket is arranged at intervals from the seat tube bracket, the top of the first down tube bracket is provided with a first down tube supporting piece; the bottom end of the second down tube bracket is detachably connected to the threaded hole, the middle part of the second down tube bracket is provided with a second down tube supporting piece, the top of the second down tube bracket is fixedly provided with an upper tube pressing piece; a plurality of adjustment holes are opened on one side of the head tube bracket, the middle part of the head tube bracket is detachably connected with a head tube upper supporting piece, and the top of the head tube bracket is detachably connected with a head tube pressing piece.

5. The front triangular figure eight-shaped double-station robot welding workstation for a baby carriage frame according to claim 4, characterized in that: The first lower tube supporting member and the second lower tube supporting member are both provided with V-shaped grooves.

6. The front triangular figure eight-shaped double-station robot welding workstation for a baby carriage frame according to claim 4, characterized in that: The riser bracket is also integrally provided with a riser positioning block, and the riser positioning block is located between the riser lower pressure piece and the five-way inner pressure piece.

7. The front triangular figure eight-shaped double-station robot welding workstation for a baby carriage frame according to claim 1, characterized in that: An automatic gun cleaning device is also provided between the two workbenches, and the automatic gun cleaning device is used to clean the welding head of the welding robot.

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