A work station transfer device for welding a motorcycle frame

Abstract

The application provides a work station transmission device for motorcycle frame welding, and relates to the field of workpiece movement transmission, which comprises a welding cavity, an electric push rod, a shield, a stepping motor and a frame component placing plate; transmission doors are arranged on the left and right sides of the welding cavity respectively, and welding seats are arranged in the middle; the transmission doors are rotatably arranged between the work station welding table and the top plate through rotating shafts, and side connecting plates and support bottom plates are fixed on the left and right sides of the transmission doors respectively; the telescopic end of the electric push rod is connected with the shield through the side connecting plate; the motor shaft of the stepping motor is inserted into the hexagonal insertion hole of the rotating shaft through the hexagonal column at the bottom end; and the top side of the frame component placing plate is rotatably clamped with a rotating disc. The frame component is supported by the frame component placing plate and is slid onto the support bottom plate, is buckled and protected by the shield, and is transmitted to the next work station through the transmission door, so that the problems of manual hanging transmission, inconvenient operation and lack of protection structure during rotation transmission are solved.

Description

Technical Field

[0001] This invention relates to the field of workpiece movement and transfer technology, and in particular to a workstation transfer device for motorcycle frame welding. Background Technology

[0002] During motorcycle production and assembly, various components are welded to the frame. Welding involves multiple processes, each completed independently in a single step. Therefore, a workpiece transfer structure is needed between two adjacent processes. For example, patent application number CN201110215901.9 discloses a motorcycle frame component welding station transfer mechanism. Its feature is that a partition wall is installed between two adjacent welding stations. The partition wall has a door frame, and a rotating plate is installed within the door frame. The rotating plate is rotatably mounted on the door frame at its upper and lower ends near vertically positioned pivots. At least one side of the rotating plate has a hook for suspending motorcycle frame components. Compared to existing motorcycle frame welding production line component transfer devices, the motorcycle frame component welding station transfer mechanism of this invention enables lean production of a single welding process flow, making component transfer fast and convenient. It also shields against arc light, protecting the welder's health; effectively prevents component collision and deformation, ensuring product quality and greatly improving production efficiency. This invention also has the advantages of simple principle, stable structure, reliability and low cost.

[0003] In current workstation transfer devices, it is usually necessary to manually hang and transfer the chassis components. Sometimes, when the chassis components are heavy, the operation is inconvenient. Moreover, during rotational transfer, there is a lack of protective structure, which makes the chassis components susceptible to centrifugal force and collision. Summary of the Invention

[0004] To address the problems in the background art, the present invention provides a station transfer device for motorcycle frame welding. It can support the frame component by placing a frame component on a frame component placement plate, and then slide the frame component onto a support base plate for protection. Driven by a stepper motor, the frame component placement plate supports the frame component and transfers it to the next station through a transfer door. It also facilitates the collection of welding slag through a welding slag collection slot.

[0005] The present invention provides a station transfer device for welding motorcycle frames, which specifically includes: a station welding table, a base, a welding cavity, an electric push rod, a protective cover, a stepper motor, and a frame component placement plate;

[0006] The welding station is connected to the base by legs at the four corners, and transfer end seats are fixed on the left and right sides of the welding station.

[0007] The welding station is provided with three sets of welding chambers, and each of the three sets of welding chambers is provided with a transfer door on the left and right sides, a back plate on the rear side, and a welding seat in the middle. Each transfer door is provided with a column on the front and rear sides, and a top plate is fixed on the top side of the column. The transfer door is rotatably installed between the welding station and the top plate through a rotating shaft on it. Side connecting plates and supporting base plates are fixed on the left and right sides of the transfer door, respectively.

[0008] The electric push rods are respectively installed in the middle of the top side of the side connecting plate, and the telescopic end of the electric push rod passes through the side connecting plate and is connected to the protective cover. The protective cover is fastened to the top side of the support base plate under the drive of the electric push rod.

[0009] The stepper motor is fixed to the top plate, and the motor shaft of the stepper motor is inserted downward into the hexagonal socket of the rotating shaft through the hexagonal post at its bottom end.

[0010] The top side of the frame component placement plate is fitted with a rotating disk, and the bottom side is provided with an inverted T-shaped block. Ball bearings are embedded on the bottom surface and the front and rear upper surfaces of the inverted T-shaped block.

[0011] Furthermore, the outer end of the support base plate is an arc structure, and its top outer edge is provided with a slot that matches the bottom end of the cover. In the middle, there is also an inverted T-shaped sliding groove that matches the inverted T-shaped slot on the bottom side of the frame component placement plate.

[0012] Furthermore, the transfer end seat and the welding seat are also provided with inverted T-shaped sliding grooves that match the inverted T-shaped locking blocks on the bottom side of the frame component placement plate. When the arc structure at the outer end of the support base plate is tangent to the transfer end seat and the welding seat on the left and right, the frame component placement plate can slide back and forth between the transfer end seat and the support base plate, and between the support base plate and the welding seat.

[0013] Furthermore, the base is also equipped with a drop rail and a collection frame. The drop rail has a downward sloping structure from right to left, and the collection frame is located on the left side of the drop rail. The drop rail is provided with an inverted T-shaped groove that matches the inverted T-shaped block on the bottom side of the frame component placement plate.

[0014] Furthermore, the front side of each of the three sets of welding cavities is provided with a front baffle and a slag collection slot. A control box is installed on the left front end of the front baffle and fixed on the welding table at the work station. A baffle is rotatably installed inside the slag collection slot. The top rear end of the baffle is a structure that tilts backward and downward and is connected to the front baffle through two sets of tension springs on the left and right sides. The top rear end of the slag collection slot is provided with a locking structure that matches the top rear end of the baffle.

[0015] Furthermore, square cones are fixed to the bottom end of the slag collection bar by bolts.

[0016] Furthermore, the base is equipped with three sets of welding fume purifiers on its rear side. The welding fume purifiers are respectively located at the lower rear end of the welding cavity. Four sets of fume extraction inlet cylinders are inserted into the back plate on the rear side of the welding cavity. The fume extraction inlet cylinders are fixed to the back plate by limiting round plate bolts on their rear side. The left and right sides of the welding fume purifiers are respectively connected to the fume extraction inlet cylinders through pipes.

[0017] The present invention provides a station transfer device for welding motorcycle frames, which has the following beneficial effects:

[0018] This invention enables the frame component to be supported by a frame component placement plate, which slides onto a support base plate and is secured by a protective cover. Driven by a stepper motor, the frame component placement plate supports the frame component and is transferred to the next work station through a transfer door. It also facilitates the collection of welding slag through a welding slag collection slot.

[0019] In addition, by setting up a frame component placement plate and opening inverted T-shaped grooves on the transfer end seat, support base plate and welding seat, the frame component can be supported by the frame component placement plate, and the frame component placement plate can be slid onto the support base plate or welding seat through the inverted T-shaped locking block on its bottom side, making movement more convenient and more convenient than hanging and transferring. The rotating disk in the middle of the frame component placement plate is used to make it easier to rotate the frame component during the welding process.

[0020] In addition, by setting up a transfer door and a stepper motor, when it is necessary to transfer the workpiece to the next station, the frame component placement plate supporting the frame component is slid onto the support base plate, and the protective cover is fastened onto the support base plate by an electric push rod to block and protect the frame component. Then, the transfer door is rotated 180° by the stepper motor, so that the support base plate and the frame component placement plate on it and the supported frame component are transferred to the next station. After the protective cover is opened, the frame component placement plate can be slid onto the welding seat for welding operations.

[0021] In addition, by inserting a fume extraction inlet cylinder at the rear of the welding chamber, the fumes generated in the welding chamber during the welding process are absorbed and purified by turning on the welding fume purifier.

[0022] In addition, by setting up a slag collection slot and installing a baffle plate inside the slag collection slot, when it is necessary to sweep the slag down, the baffle plate is pressed down so that the rear end of the baffle plate moves away from the locking structure at the upper rear side of the slag collection slot, thereby facilitating the sweeping of the slag into the slag collection slot and allowing it to fall down along the square cone for collection.

[0023] In addition, by setting up a drop rail, after the welding is completed, the frame component can be removed and a frame component placement plate can be inserted into the right end of the drop rail, allowing it to slide down into the collection box along the tilt angle of the drop rail, so that the frame component can be used again for towing and transferring. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0025] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0026] In the attached diagram:

[0027] Figure 1 A schematic diagram of the overall structure of the present invention is shown;

[0028] Figure 2 The present invention is shown Figure 1 Schematic diagram of the mid-rear side view structure;

[0029] Figure 3 The present invention is shown Figure 1 Schematic diagram of the front structure;

[0030] Figure 4 The present invention is shown Figure 1 A schematic diagram of the side-tilt structure when a set of square cones is removed;

[0031] Figure 5 The present invention is shown Figure 4 Schematic diagram of the structure from a mid-lateral top view;

[0032] Figure 6 This invention shows a schematic diagram of the overall structure of the transfer door, electric push rod, and protective cover.

[0033] Figure 7 The present invention is shown Figure 6 A schematic diagram of the structure in which the electric push rod pushes the protective cover downwards and fastens it onto the support base plate;

[0034] Figure 8 A schematic diagram of the overall structure of the baffle plate and tension spring in this invention is shown;

[0035] Figure 9 A schematic diagram of the structure of the frame component placement plate in this invention is shown;

[0036] Figure 10 The present invention is shown Figure 9 Schematic diagram of the mid-side tilting structure.

[0037] List of reference numerals

[0038] 1. Welding station; 101. Support leg; 102. Transfer end seat; 103. Column; 104. Transfer door; 1041. Rotating shaft; 1042. Side connecting plate; 1043. Support base plate; 105. Back plate; 106. Top plate; 107. Welding seat; 108. Front baffle; 109. Welding slag collection slot; 2. Base; 201. Return rail; 202. Collection frame; 3. Welding cavity; 4. Electric push rod; 5. Protective cover; 6. Stepper motor; 7. Welding fume purifier; 701. Fume extraction inlet cylinder; 7011. Limiting circular plate; 8. Baffle plate; 801. Tension spring; 9. Square cone; 10. Frame component placement plate; 1001. Rotary disk; 1002. Ball bearing. Detailed Implementation

[0039] To make the objectives, solutions, and advantages of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Unless otherwise stated, the terms used herein have their ordinary meanings in the art. The same reference numerals in the drawings represent the same parts.

[0040] Example 1: Please refer to Figures 1 to 10 :

[0041] This invention proposes a station transfer device for welding motorcycle frames, comprising: a welding station 1, a base 2, a welding cavity 3, an electric push rod 4, a protective cover 5, a stepper motor 6, and a frame component placement plate 10.

[0042] The welding station 1 and the base 2 are connected by support legs 101 at the four corners. Transfer end seats 102 are fixed on the left and right sides of the welding station 1.

[0043] The welding station 1 is provided with three sets of welding chambers 3, and the left and right sides of the three sets of welding chambers 3 are respectively provided with transfer doors 104, the rear side is respectively provided with back plates 105, and the middle is respectively provided with welding seats 107. The front and rear sides of the transfer door 104 are respectively provided with columns 103, and the top side of the column 103 is fixed with a top plate 106. The transfer door 104 is rotatably installed between the welding station 1 and the top plate 106 through the rotating shaft 1041 on it. The left and right sides of the transfer door 104 are respectively fixed with side connecting plates 1042 and supporting base plates 1043.

[0044] Electric push rods 4 are respectively installed in the middle of the top side of the side connecting plate 1042, and the telescopic end of the electric push rod 4 passes through the side connecting plate 1042 and is connected to the protective cover 5. The protective cover 5 is fastened to the top side of the support base plate 1043 under the drive of the electric push rod 4.

[0045] The stepper motor 6 is fixed on the top plate 106, and the motor shaft of the stepper motor 6 is inserted downward into the hexagonal socket of the rotating shaft 1041 through the hexagonal post at its bottom end.

[0046] A rotating disk 1001 is rotatably mounted in the middle of the top side of the frame component placement plate 10. During the welding process, the rotating disk 1001 rotatably mounted in the middle of the frame component placement plate 10 facilitates the rotation of the frame component. An inverted T-shaped block is provided on the bottom side of the frame component placement plate 10, and ball bearings 1002 are embedded on the bottom end face and the front and rear upper end faces of the inverted T-shaped block.

[0047] In embodiments of the present invention, such as Figure 1 , Figure 2 , Figure 6 , Figure 9 and Figure 10 As shown, the outer end of the support base plate 1043 has an arc structure, and its top outer edge is provided with a slot that matches the bottom end of the cover 5. In the middle, there is also an inverted T-shaped sliding groove that matches the inverted T-shaped locking block on the bottom side of the frame component placement plate 10. The transfer end seat 102 and the welding seat 107 are also provided with inverted T-shaped sliding grooves that match the inverted T-shaped locking block on the bottom side of the frame component placement plate 10. When the arc structure of the outer end of the support base plate 1043 is tangent to the transfer end seat 102 and the welding seat 107 respectively, the frame component placement plate 10 can slide back and forth on the transfer end seat 102 and the support base plate 1043, and on the support base plate 1043 and the welding seat 107. The frame component can be supported by the frame component placement plate 10, and the frame component placement plate 10 can be slid onto the support base plate 1043 or the welding seat 107 through the inverted T-shaped locking block on its bottom side. The movement is more convenient and more convenient than the hanging transfer.

[0048] In embodiments of the present invention, such as Figure 1 and Figure 3 As shown, a drop rail 201 and a collection frame 202 are also installed on the base 2. The drop rail 201 has a downward inclined structure from right to left, and the collection frame 202 is located on the left side of the drop rail 201. The drop rail 201 is provided with an inverted T-shaped groove that matches the inverted T-shaped locking block on the bottom side of the frame component placement plate 10. After the transfer welding is completed, the frame component is removed, and the frame component placement plate 10 is inserted into the right side of the drop rail 201 through the inverted T-shaped locking block on its bottom side, so that it slides down into the collection frame 202 along the inclined angle of the drop rail 201, so that the frame component can be used for towing and transferring again.

[0049] In embodiments of the present invention, such as Figure 4 , Figure 5 and Figure 8As shown, the front sides of the three welding cavities 3 are respectively provided with a front baffle 108 and a slag collection slot 109. The front left end of the front baffle 108 is respectively installed with a control box and fixed on the welding table 1 of the work station. A baffle 8 is rotatably installed inside the slag collection slot 109. The rear top of the baffle 8 has a backward and downward inclined structure and is connected to the front baffle 108 through two sets of tension springs 801 on the left and right sides. The rear top of the slag collection slot 109 is provided with a locking structure that matches the rear top of the baffle 8. The bottom end of the slag collection slot 109 is respectively fixed with a square cone 9 by bolts. When it is necessary to sweep the slag off, the baffle 8 is pressed down so that the rear end of the baffle 8 leaves the locking structure at the upper rear end of the slag collection slot 109, so that the slag can be swept into the slag collection slot 109 and fall down along the square cone 9 for collection.

[0050] In embodiments of the present invention, such as Figure 2 and Figure 3 As shown, three sets of welding fume purifiers 7 are also provided on the rear side of the base 2. The welding fume purifiers 7 are respectively located at the lower rear end of the welding chamber 3. Four sets of fume extraction inlet cylinders 701 are inserted into the back plate 105 on the rear side of the welding chamber 3. The fume extraction inlet cylinders 701 are fixed to the back plate 105 by bolts through the limiting round plate 7011 on the rear side. The left and right sides of the welding fume purifiers 7 are respectively connected to the fume extraction inlet cylinders 701 through pipes. During the welding process, by activating the welding fume purifiers 7 after the corresponding work station, the fumes generated in the welding chamber 3 during the welding process are absorbed and purified.

[0051] The specific usage and function of this embodiment: In this invention,

[0052] First, place the frame component on the frame component placement plate 10. Then, slide the frame component placement plate 10 onto the support base plate 1043 via the inverted T-shaped locking block on its bottom side. By starting the electric push rod 4, the protective cover 5 is fastened onto the support base plate 1043 to block and protect the frame component. By starting the stepper motor 6, the transfer door 104 is rotated 180°, so that the support base plate 1043 and the frame component placement plate 10 on it and the supported frame component are transferred to the next work station. Again, by starting the electric push rod 4 through the control box, the protective cover 5 is opened, and the frame component placement plate 10 can be slid onto the welding seat 107 for welding operations.

[0053] During the welding process, the rotating disk 1001, which is mounted in the middle of the frame component placement plate 10, is used to facilitate the rotation of the frame component during welding. The welding fume purifier 7 can also be turned on to absorb and purify the fumes generated in the welding chamber 3 during the welding process. After the welding at this station is completed, the frame component placement plate 10 on the welding seat 107 and the frame component supported on it are slid onto the support base plate 1043 on the right. The corresponding electric push rod 4 is activated to drive the protective cover 5 to be fastened onto the support base plate 1043 to block and protect the frame component. The corresponding stepper motor 6 is activated to drive the transfer door 104 to rotate 180°, so that the support base plate 1043 and the frame component placement plate 10 and the frame component supported on it are transferred to the next station for welding to continue at the next station.

[0054] When it is necessary to sweep the welding slag off, the back end of the baffle plate 8 is pushed down to make the locking structure at the upper rear end of the back side of the baffle plate 8 leave the welding slag collection bar opening 109, so that the welding slag can be swept into the welding slag collection bar opening 109 and fall down along the square cone 9 for collection.

[0055] After the welding is completed, the frame component is removed and the frame component placement plate 10 is inserted into the right end of the return rail 201 through the inverted T-shaped block on its bottom side, so that it slides down into the collection box 202 along the tilt angle of the return rail 201, so that the frame component can be used again for towing and transferring.

[0056] The following points should be noted in this article:

[0057] 1. The accompanying drawings of the embodiments of the present invention only involve the structures involved in the embodiments of the present invention; other structures can refer to general designs.

[0058] 2. Where there is no conflict, the embodiments of the present invention and the features thereof can be combined with each other to obtain new embodiments.

[0059] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention.

Claims

1. A station transfer device for welding motorcycle frames, comprising: Workstation welding table (1), base (2), welding cavity (3), electric push rod (4), protective cover (5), stepper motor (6) and frame component placement plate (10); The welding station (1) and the base (2) are connected by support legs (101) at the four corners. Transfer end seats (102) are fixed on the left and right sides of the welding station (1). The feature is that the welding station (1) is provided with three sets of welding cavities (3), and the three sets of welding cavities (3) are provided with transfer doors (104) on the left and right sides respectively, back plates (105) on the rear side respectively, and welding seats (107) in the middle respectively. The transfer doors (104) are provided with columns (103) on the front and rear sides respectively, and a top plate (106) is fixed on the top side of the column (103). The transfer doors (104) are rotatably installed between the welding station (1) and the top plate (106) through the rotating shaft (1041) on them. Side connecting plates (1042) and supporting base plates (1043) are fixed on the left and right sides respectively. The electric push rods (4) are respectively installed in the middle of the top side of the side connecting plate (1042), and the telescopic end of the electric push rod (4) passes through the side connecting plate (1042) and is connected to the protective cover (5). The protective cover (5) is fastened to the top side of the support base plate (1043) under the drive of the electric push rod (4). The stepper motor (6) is fixed on the top plate (106), and the motor shaft of the stepper motor (6) is inserted downward into the hexagonal socket of the rotating shaft (1041) through the hexagonal column at its bottom end; The top side of the frame component placement plate (10) is fitted with a rotating disk (1001), and the bottom side is provided with an inverted T-shaped block. The bottom end face and the front and rear upper end faces of the inverted T-shaped block are inlaid with balls (1002). The outer end of the support base plate (1043) is an arc structure, and its top outer edge is provided with a slot that matches the bottom end of the cover (5), and the middle is also provided with an inverted T-shaped sliding groove that matches the inverted T-shaped block on the bottom side of the frame component placement plate (10). The transfer end seat (102) and welding seat (107) are also provided with inverted T-shaped sliding grooves that match the inverted T-shaped locking blocks on the bottom side of the frame component placement plate (10). When the arc structure of the outer end of the support base plate (1043) is tangent to the transfer end seat (102) and welding seat (107) respectively, the frame component placement plate (10) can slide back and forth on the transfer end seat (102) and support base plate (1043), and on the support base plate (1043) and welding seat (107). The front side of the three sets of welding cavities (3) is provided with a front baffle (108) and a slag collection slot (109). The front left side of the front baffle (108) is equipped with a control box, which is fixed on the welding table (1) of the work station. A baffle (8) is rotatably installed inside the slag collection slot (109). The rear top of the baffle (8) is a structure that tilts backward and downward, and is connected to the front baffle (108) through two sets of tension springs (801) on the left and right sides. The rear top of the slag collection slot (109) is provided with a locking structure that matches the rear top of the baffle (8). The bottom end of the slag collection slot (109) is fixed with a square cone (9) by bolts.

2. The station transfer device for motorcycle frame welding according to claim 1, characterized in that: The base (2) is also equipped with a drop rail (201) and a collection frame (202). The drop rail (201) is inclined downward from right to left, and the collection frame (202) is located on the left side of the drop rail (201). The drop rail (201) is provided with an inverted T-shaped groove that matches the inverted T-shaped card block on the bottom side of the frame component placement plate (10).

3. The station transfer device for motorcycle frame welding according to claim 1, characterized in that: The base (2) is also provided with three sets of welding fume purifiers (7) on the rear side. The welding fume purifiers (7) are respectively located at the lower rear end of the welding cavity (3). Four sets of fume extraction inlet cylinders (701) are inserted on the back plate (105) on the rear side of the welding cavity (3). The fume extraction inlet cylinders (701) are fixed to the back plate (105) by bolts through the limiting round plate (7011) on the rear side. The left and right sides of the welding fume purifiers (7) are respectively connected to the fume extraction inlet cylinders (701) through pipes.

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