A three-dimensional flexible tooling fixture for welding a baby carriage frame by an upright assembly robot

Abstract

The present application discloses a three-dimensional flexible tooling fixture for welding a baby bicycle frame by an upright assembly robot, comprising: an operation positioning platform, a head tube positioning bracket is integrally provided at one end of the operation positioning platform, a head tube positioning component is movably provided on the head tube positioning bracket, a five-way positioning bracket, a rear fork middle end positioning bracket, and a rear fork end end positioning bracket are movably provided on the operation positioning platform from left to right in sequence. By adopting the above method, the front, middle and rear ends of the frame are fixed at multiple points by four positioning brackets, the frame is stably fixed, it is ensured that no deformation occurs during welding, the welding success rate is improved, and the movable setting of the positioning bracket can be adapted to frames of different sizes, the applicability of the tooling fixture is improved, and the production cost is reduced. At the same time, the specific positions of the frame are fixed by multiple positioning brackets, so as to avoid affecting the welding of the welding robot and improve the welding efficiency. The fixing operation of the frame is simple and convenient, which effectively improves the work efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of welding of baby carriage frames, in particular to a three-dimensional flexible tooling fixture for welding a baby carriage frame by an upright assembly robot. Background Art

[0002] There are many kinds of bicycles on the market, and the sizes of various pipes are not consistent. The pipe fixing methods of different models are also different. When welding the frame of a baby bicycle, usually the front triangle is welded and fixed first, or the rear triangle is welded and fixed first, or the front triangle and the rear triangle are put together for welding and fixing. The traditional welding method is manual welding. At this time, the fixation of the frame is more arbitrary due to the flexibility of manual welding. With the increase in labor costs and low efficiency, robot welding is gradually replacing manual welding. Robot welding has good quality and high efficiency, but robot welding is not as flexible as manual welding. Therefore, there are certain requirements for the fixation of the frame. The existing frame fixing method cannot be matched with the welding robot, and the working efficiency of the welding robot cannot be improved, and it may even affect the welding efficiency of the welding robot.

[0003] Therefore, it is urgent to design a three-dimensional flexible tooling fixture for welding a baby stroller frame upright assembly robot 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-mentioned technical problems is: to provide a three-dimensional flexible tooling fixture for welding a baby carriage frame upright assembly robot, characterized in that: it comprises: an operation positioning platform, a plurality of spacing adjustment holes are provided on the operation positioning platform, a head pipe positioning bracket is integrally provided at one end of the operation positioning platform, a head pipe positioning component is movably provided on the head pipe positioning bracket for fixing the head pipe of the frame, a five-way positioning bracket, a rear fork middle-end positioning bracket and a rear fork end positioning bracket are movably provided on the operation positioning platform from left to right in sequence, a five-way positioning bracket is provided with a five-way internal pressure piece for fixing the five-way, a middle-end fixing component for fixing the middle-end part of the rear fork is provided on the rear fork middle-end positioning bracket, the middle-end fixing component can adjust the width and angle, and the rear fork end positioning bracket is provided with an end fixing component for fixing the end of the rear fork.

[0005] In a preferred embodiment, a plurality of head pipe adjustment holes are formed on the side of the head pipe positioning bracket, and the head pipe positioning assembly is detachably connected to the head pipe adjustment holes.

[0006] In a preferred embodiment, the head tube positioning assembly includes: a head tube support member and a head tube pressing member; the head tube support member is detachably connected to the head tube adjustment hole, a head tube clamping seat is detachably provided on the head tube support member, the head tube pressing member is detachably connected to the head tube adjustment hole, and a head tube pressing clamping seat is detachably connected to the head tube pressing member.

[0007] In a preferred embodiment, the bottom bracket positioning bracket is in a "U" shape, two bottom bracket inner pressing members are provided at both ends of the bottom bracket positioning bracket and are oppositely arranged, and an inner pressing clamping seat is detachably connected to the end of each bottom bracket inner pressing member.

[0008] In a preferred embodiment, a plurality of middle-end adjustment holes are provided on the side wall of the middle-end positioning bracket of the rear fork, and the middle-end fixing assembly includes: an upper fork fixing member, the upper fork fixing member is detachably connected to the middle-end adjustment hole, an upper fork angle adjuster is rotatably provided on the upper fork fixing member, upper fork width adjusters are respectively slidably provided on both sides of the upper fork angle adjuster, and an upper fork pressing member is further provided on the top of the upper fork angle adjuster; a lower fork fixing member, the lower fork fixing member is detachably connected to the middle-end adjustment hole, a lower fork angle adjuster is rotatably connected to the lower fork fixing member, lower fork width adjusters are respectively slidably provided on both sides of the lower fork angle adjuster, and a lower fork pressing member is further provided on the top of the lower fork angle adjuster.

[0009] In a preferred embodiment, a plurality of end adjustment holes are provided on the side wall of the end positioning bracket of the rear fork, and the end fixing assembly includes an end fixing member, the end fixing member is detachably connected to the end adjustment hole, end width adjusters are respectively slidably provided on both sides of the end fixing member, and rear fork ear fixing members are respectively provided on the opposite side walls of the end width adjusters.

[0010] The beneficial effects of the present utility model are as follows: The front, middle and tail ends of the vehicle frame are fixed at multiple points through four positioning brackets, the vehicle frame is stably fixed, the situation of deformation during welding is ensured not to occur, the welding success rate is improved, and the movable setting of the positioning brackets can adapt to vehicle frames of different sizes, the applicability of the tooling fixture is improved, the production cost is reduced. At the same time, the fixation of the vehicle frame at specific positions by multiple positioning brackets avoids affecting the welding of the welding robot, the welding efficiency is improved, and the fixation operation of the vehicle frame is simple and convenient, effectively improving the work efficiency. Description of the Drawings

[0011] Figure 1 is a structural schematic diagram of the present utility model;

[0012] Figure 2 is a structural schematic diagram of the head tube positioning bracket of the present utility model;

[0013] Figure 3 is a structural schematic diagram of the bottom bracket positioning bracket of the present utility model;

[0014] Figure 4 This is a schematic diagram of the structure of the rear fork middle end positioning bracket of the utility model;

[0015] Figure 5 It is a structural schematic diagram of the rear fork end positioning bracket of the utility model.

[0016] In the figure:

[0017] 10. Operation positioning platform; 101. Spacing adjustment hole; 11. Head tube positioning bracket; 111. Head tube adjustment hole; 12. Head tube positioning assembly; 121. Head tube support; 122. Head tube holder; 123. Head tube pressing piece; 124. Head tube pressing holder; 13. Five-way positioning bracket; 14. Five-way internal pressure piece; 141. Internal pressure holder; 15. Rear fork middle end positioning bracket; 151. Middle end adjustment hole; 16. Middle end fixing Components; 161, upper fork fixing member; 162, upper fork width adjuster; 163, upper fork angle adjuster; 164, upper fork pressing member; 165, lower fork fixing member; 166, lower fork width adjuster; 167, lower fork angle adjuster; 168, lower fork pressing member; 17, rear fork end positioning bracket; 171, end adjustment hole; 18, end fixing component; 181, end fixing member; 182, end width adjuster; 183, rear fork ear fixing member. DETAILED DESCRIPTION

[0018] 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.

[0019] 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.

[0020] 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.

[0021] 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.

[0022] 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.

[0023] like Figure 1-Figure 5 As shown, the utility model provides a three-dimensional flexible tooling fixture for welding a baby carriage frame by an upright assembly robot, characterized in that it comprises: an operation positioning platform 10, on which a plurality of spacing adjustment holes 101 are provided, one end of the operation positioning platform 10 is integrally provided with a head pipe positioning bracket 11, on which a head pipe positioning component 12 is movably provided for fixing the head pipe of the frame, on which a five-way positioning bracket 13, a rear fork middle-end positioning bracket 15, and a rear fork end positioning bracket 17 are movably provided from left to right in sequence, the five-way positioning bracket 13 is provided with a five-way inner pressure piece 14 for fixing the five-way, the rear fork middle-end positioning bracket 15 is provided with a middle-end fixing component 16 for fixing the middle-end part of the rear fork, the middle-end fixing component 16 can adjust the width and angle, and the rear fork end positioning bracket 17 is provided with an end fixing component 18 for fixing the end of the rear fork;

[0024] Specifically, the head tube positioning bracket 11 is integrally connected to the operating positioning platform 10 to form an L-shaped structure. A five-way positioning bracket 13, a rear fork middle-end positioning bracket 15, and a rear fork end positioning bracket 17 are provided on the operating positioning platform 10 from left to right. The five-way positioning bracket 13 is detachably connected to the spacing adjustment hole 101 and can be moved along the operating positioning platform 10 to adjust the spacing with the head tube positioning bracket 11 to adapt to frames of different lengths. The rear fork middle-end positioning bracket 15 and the rear fork end positioning bracket 17 can also be moved along the operating positioning platform 10 to adapt to the fixation of frames of different sizes. The overall frame is fixed at multiple points by the positioning brackets to keep it level, which is convenient for welding and can effectively improve the stability of the fixation.

[0025] Furthermore, a plurality of head pipe adjustment holes 111 are provided on the side of the head pipe positioning bracket 11, and the head pipe positioning assembly 12 is detachably connected to the head pipe adjustment holes 111;

[0026] Specifically, in order to facilitate adaptation to head pipes of different heights, a plurality of head pipe adjustment holes 111 are provided on the side wall of the head pipe positioning bracket 11, and the head pipe positioning assembly 12 is detachably connected to the head pipe adjustment holes 111, and the height on the head pipe positioning bracket 11 can be adjusted according to usage requirements.

[0027] Further, in this embodiment, the head pipe positioning assembly 12 includes: a head pipe supporting member 121 and a head pipe pressing member 123; the head pipe supporting member 121 is detachably connected to the head pipe adjusting hole 111, a head pipe clamping seat 122 is detachably provided on the head pipe supporting member 121, the head pipe pressing member 123 is detachably connected to the head pipe adjusting hole 111, and the head pipe pressing member 123 is detachably connected to a head pipe pressing clamping seat 124;

[0028] Specifically, the head pipe supporting member 121 is detachably connected to the head pipe adjusting hole 111, and a head pipe clamping seat 122 is detachably connected to the head pipe supporting member 121. The head pipe clamping seat 122 is used to support the bottom of the head pipe of the frame, and the head pipe clamping seat 122 can be replaced according to the size of the head pipe of the frame to adapt to head pipes of different sizes. The head pipe pressing member 123 is detachably connected to the head pipe adjusting hole 111, and can adjust the spacing distance between the head pipe supporting member 121, and a head pipe pressing clamping seat 124 is detachably connected to the head pipe pressing member 123, which can be replaced according to the size of the head pipe. The head pipe pressing clamping seat 124 is used to fix the top of the head pipe of the frame, and the head pipe of the frame is fixed by the head pipe clamping seat 122 and the head pipe pressing clamping seat 124. The head pipe pressing member 123 adopts a handle pressing method, which is simple to operate and has a good limiting effect in combination with the head pipe pressing clamping seat 124.

[0029] Further, in this embodiment, the five-way positioning bracket 13 is in a "U" shape, and two five-way internal pressure members 14 are provided at both ends of the five-way positioning bracket 13 and are oppositely arranged. An internal pressure clamping seat 141 is detachably connected to the end of each five-way internal pressure member 14;

[0030] Specifically, in this embodiment, the five-way positioning bracket 13 is in a "U" shape. There are two five-way internal pressure members 14, which are respectively located at both ends of the five-way positioning bracket 13, and the two five-way internal pressure members 14 are oppositely arranged. An internal pressure clamping seat 141 is detachably connected to each five-way internal pressure member 14. The internal pressure clamping seat 141 is used to be inserted into the frame five-way to fix the frame five-way. The internal pressure clamping seat 141 can be replaced according to the usage requirements to adapt to different sizes of frame five-ways. The five-way internal pressure member 14 is fixed by manually pushing or pulling the five-way internal pressure member 14 with a handle, and the operation is simple and convenient.

[0031] Further, in this embodiment, a plurality of middle-end adjustment holes 151 are provided on the side wall of the rear fork middle-end positioning bracket 15. The middle-end fixing assembly 16 includes: an upper fork fixing member 161, which is detachably connected to the middle-end adjustment holes 151. An upper fork angle adjuster 163 is rotatably provided on the upper fork fixing member 161. Upper fork width adjusters 162 are respectively slidably provided on both sides of the upper fork angle adjuster 163. An upper fork pressing member 164 is further provided on the top of the upper fork angle adjuster 163; a lower fork fixing member 165, which is detachably connected to the middle-end adjustment holes 151. A lower fork angle adjuster 167 is rotatably connected to the lower fork fixing member 165. Lower fork width adjusters 166 are respectively slidably provided on both sides of the lower fork angle adjuster 167. A lower fork pressing member 168 is further provided on the top of the lower fork angle adjuster 167;

[0032] Specifically, due to different sizes of the rear fork of the frame, the spacing distance between the upper fork and the lower fork is also different. At the same time, the spacing distance between the upper forks is different, the spacing distance between the lower forks is also different, and the angles between the upper forks and the lower forks are also different. For this reason, a plurality of middle-end adjustment holes 151 are provided on the side wall of the middle-end positioning bracket 15 of the rear fork, wherein the upper fork fixing member 161 and the lower fork fixing member 165 are both detachably connected to the middle-end adjustment hole 151 for adjusting the spacing distance therebetween. At the same time, an upper fork angle adjuster 163 is rotatably connected to the upper fork fixing member 161, and the upper fork angle adjuster 163 can be rotated vertically to adapt to the inclination angle of the upper fork. The upper part is also rotatably connected to a lower fork angle adjuster 167, which can rotate vertically to adapt to the inclination angle of the lower fork. Upper fork width adjusters 162 are slidably connected to both sides of the upper fork angle adjuster 163 to adapt to the width of the upper fork. At the same time, an upper fork pressing member 164 is provided on the top of the upper fork angle adjuster 163 to press the upper fork so that the upper fork is fixed in the upper fork width adjuster 162; lower fork width adjusters 166 are provided on both sides of the lower fork angle adjuster 167, and a lower fork pressing member 168 is provided on the top of the lower fork angle adjuster 167 to press the lower fork, wherein the upper and lower fork angle adjusters 167 and the upper and lower fork width adjusters 166 are fixed by bolts.

[0033] Furthermore, in this embodiment, the side wall of the rear fork end positioning bracket 17 is provided with a plurality of end adjustment holes 171, and the end fixing assembly 18 includes an end fixing member 181, and the end fixing member 181 is detachably connected to the end adjustment hole 171, and end width adjusters 182 are slidably provided on both sides of the end fixing member 181, and rear fork ear fixing members 183 are provided on the side walls opposite to the end width adjusters 182;

[0034] Specifically, the end fixing piece 181 is detachably connected to the end adjusting hole 171, and is used to adjust the height on the rear fork end positioning bracket 17. End width adjusters 182 are slidably provided on both sides of the end positioning piece, and rear fork ear fixing pieces 183 are provided on the sides opposite to the end width adjusters 182. When the rear fork is placed on the rear fork end positioning bracket 17, the end width adjuster 182 is moved to make it abut against the inner wall of the rear fork end, and the rear fork end is pressed by the rear fork ear fixing piece 183 to fix the rear fork end. Since a bolt groove is provided on the rear fork end, the rear fork ear fixing piece 183 can be inserted into the bolt groove by a screw to fix the rear fork end. The rear fork ear fixing piece 183 is also fixed by pressing the handle, and the operation is simple and convenient.

[0035] To summarize, the present application uses four positioning brackets to perform multi-point fixation on the front, middle and rear ends of the frame, stably fixes the frame, ensures that no deformation occurs during welding, improves the welding success rate, and is simple and convenient to operate. The movable setting of the positioning bracket can adapt to frames of different sizes, improves the applicability of tooling fixtures, and reduces production costs. At the same time, by fixing specific positions of the frame through multiple positioning brackets, it avoids affecting the welding of the welding robot and improves welding efficiency.

[0036] 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 three-dimensional flexible tooling fixture for welding a baby carriage frame by an upright assembly robot, characterized in that: Including: An operation positioning table, on which there are a number of spacing adjustment holes. One end of the operation positioning table is integrally provided with a head tube positioning bracket, and a head tube positioning component is movably arranged on the head tube positioning bracket for fixing the head tube of the vehicle frame. A bottom bracket positioning bracket, a middle part positioning bracket of the rear fork, and a rear end positioning bracket of the rear fork are movably arranged on the operation positioning table in sequence from left to right. A bottom bracket internal pressure part for fixing the bottom bracket is arranged on the bottom bracket positioning bracket. A middle part fixing component for fixing the middle part of the rear fork is arranged on the middle part positioning bracket of the rear fork. The width and angle of the middle part fixing component can be adjusted. A rear end fixing component for fixing the rear end of the rear fork is arranged on the rear end positioning bracket of the rear fork.

2. The three-dimensional flexible tooling fixture for welding a baby carriage frame by an upright assembly robot according to claim 1, characterized in that: A number of head tube adjustment holes are formed on the side of the head tube positioning bracket, and the head tube positioning component is detachably connected to the head tube adjustment holes.

3. The three-dimensional flexible tooling fixture for welding a baby carriage frame by an upright assembly robot according to claim 2, characterized in that: The head tube positioning component includes: a head tube supporting part and a head tube pressing part; the head tube supporting part is detachably connected to the head tube adjustment holes, a head tube clamping seat is detachably arranged on the head tube supporting part, the head tube pressing part is detachably connected to the head tube adjustment holes, and a head tube pressing clamping seat is detachably connected to the head tube pressing part.

4. The three-dimensional flexible tooling fixture for welding a baby carriage frame by an upright assembly robot according to claim 1, characterized in that: The bottom bracket positioning bracket is in a "U" shape. There are two bottom bracket internal pressure parts respectively located at both ends of the bottom bracket positioning bracket and arranged oppositely. An internal pressure clamping seat is detachably connected to the end of each bottom bracket internal pressure part.

5. The three-dimensional flexible tooling fixture for welding a baby carriage frame by an upright assembly robot according to claim 1, characterized in that: A number of middle part adjustment holes are formed on the side wall of the middle part positioning bracket of the rear fork. The middle part fixing component includes: an upper fork fixing part, the upper fork fixing part is detachably connected to the middle part adjustment holes, an upper fork angle adjuster is rotatably arranged on the upper fork fixing part, upper fork width adjusters are respectively slidably arranged on both sides of the upper fork angle adjuster, and an upper fork pressing part is further arranged on the top of the upper fork angle adjuster; a lower fork fixing part, the lower fork fixing part is detachably connected to the middle part adjustment holes, a lower fork angle adjuster is rotatably connected to the lower fork fixing part, lower fork width adjusters are respectively slidably arranged on both sides of the lower fork angle adjuster, and a lower fork pressing part is further arranged on the top of the lower fork angle adjuster.

6. The three-dimensional flexible tooling fixture for welding a baby carriage frame by an upright assembly robot according to claim 1, characterized in that: A number of end adjustment holes are formed on the side wall of the rear end positioning bracket of the rear fork. The rear end fixing component includes an end fixing part, the end fixing part is detachably connected to the end adjustment holes, end width adjusters are respectively slidably arranged on both sides of the end fixing part, and rear fork ear fixing parts are respectively arranged on the opposite side walls of the end width adjusters.

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