Oven inner container welding production line

Abstract

The invention discloses an oven inner container welding production line which comprises a welding table, and a clamp is arranged on the welding table and used for clamping an oven inner container. The welding device further comprises a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a top plate, a welding head is arranged on the top plate, and the welding head slides on the top plate through a driving assembly so that the welding head can move outside the top plate to weld the edge of the inner container of the oven. According to the oven inner container welding production line, the oven inner container is placed on the welding table and clamped and fixed through the clamp, then the hydraulic cylinder drives the top plate to move downwards, the welding table is driven to move to the welding position of the oven inner container, and the driving assembly rotates so that the welding head can move along the edge of the oven inner container; when the welding head moves to the four corners of the oven inner container, the steering assembly passively drives the welding head to steer synchronously, so that the welding head is perpendicular to a welding seam all the time, and pseudo soldering is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of oven welding, and particularly relates to an oven inner liner welding production line. Background Art

[0002] An oven is a sealed electrical appliance mainly used for baking food or drying products. According to different uses, ovens can be divided into household ovens and industrial ovens; household ovens usually use the radiant heat emitted by electric heating elements to bake food, and industrial ovens have two types, electric and gas, which are used to dry various industrial materials; the structure of an oven usually includes a sealed box body with heating elements and a temperature control device inside. Household ovens usually have a simple control panel, while industrial ovens may be equipped with a more complex temperature control system and safety protection devices.

[0003] When producing an oven, welding is required inside the oven. The oven inner liner needs to be placed on the bottom plate, and then the welding equipment is used to comprehensively weld the edge of the inner liner and the bottom plate. During welding, the welding head needs to always form a certain angle and have the same distance from the welding seam. When manually welding, since the welding angle and distance cannot be accurately controlled, it is easy to cause different welding strengths at each place during welding and increase the risk of false welding. Intelligent welding will increase production costs, thus reducing the efficiency of oven inner liner welding. Summary of the Invention

[0004] The purpose of the present invention is to provide an oven inner liner welding production line to solve the above deficiencies in the prior art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: including a welding table, a fixture is arranged on the welding table, and the fixture is used for clamping the oven inner liner;

[0006] It further includes a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a top plate, a welding head is arranged on the top plate, and the welding head slides on the top plate through a driving component so that the welding head moves outside the top plate to weld the edge of the oven inner liner;

[0007] It further includes a steering component, which is passively steered when the welding head moves to the edge of the oven inner liner, so that the welding head adapts to the angle change when moving at the four corners of the oven inner liner.

[0008] As a further description of the above technical solution:

[0009] The driving component includes a rack fixed outside the top plate, a driving gear meshes with the rack, the driving gear is rotatably connected with an annular plate, the bottom of the annular plate is rotatably connected with a limiting plate, and the welding head is fixedly connected to the limiting plate.

[0010] As a further description of the above technical solution:

[0011] The steering assembly includes a limit tube fixed to the driving gear. A rectangular rod is slidably arranged in the limit tube. A rectangular block is fixedly connected to the outside of the rectangular rod. The rectangular rod penetrates through the driving gear and the annular plate and is fixedly connected to the limit plate. A plurality of sliding rods are slidably arranged in the annular plate.

[0012] As a further description of the above technical solution:

[0013] A limit block is slidably arranged in the sliding rod. The limit block is fixedly connected to the annular plate. A return spring is fixedly connected to the limit block. The return spring is fixedly connected to the inner wall of the sliding rod.

[0014] As a further description of the above technical solution:

[0015] The steering assembly includes a rotating rod that rotates at the bottom of the top plate. A fixed tube is fixedly connected to the outside of the rotating rod. A moving rod is slidably arranged in the fixed tube. An abutting spring is fixedly connected to the inner wall of the fixed tube. The abutting spring is fixedly connected to the moving rod.

[0016] As a further description of the above technical solution:

[0017] A fixed plate is fixedly connected to the bottom of the top plate. Guide holes are formed in both the moving rod and the fixed tube. The fixed plate is adapted to the guide holes.

[0018] As a further description of the above technical solution:

[0019] A torsion spring is sleeved outside the rotating rod. Two ends of the torsion spring are respectively fixedly connected to the top plate and the fixed tube.

[0020] As a further description of the above technical solution:

[0021] It further includes a cleaning assembly for cleaning the welding area when the welding head performs welding. The cleaning assembly includes a connecting rod slidably arranged outside the top plate. A cleaning brush is fixedly connected to the bottom end of the connecting rod. The cleaning brush is in movable contact with the inner wall of the oven. A driven gear is fixedly connected to the outside of the connecting rod. The driven gear meshes with the driving gear.

[0022] As a further description of the above technical solution:

[0023] A connecting plate is sleeved outside the limit tube. The connecting plate is rotatably connected to the connecting rod.

[0024] As a further description of the above technical solution:

[0025] A plurality of pressing plates are fixedly connected to the bottom of the top plate.

[0026] In the above technical solution, the beneficial effects of an oven inner liner welding production line provided by the present invention are as follows:

[0027] In the present invention, the oven inner liner is placed on the welding table and clamped and fixed by a fixture. Then, the top plate is driven to move downward by a hydraulic cylinder, driving the welding table to move to the welding position of the oven inner liner. The driving assembly rotates to make the welding head move along the edge of the oven inner liner, so that the welding head fully welds the oven inner liner. When the welding head moves to the four corners of the oven inner liner, the steering assembly passively drives the welding head to turn synchronously, so that the welding head is always perpendicular to the weld seam, ensuring the welding effect and reducing false welding.

[0028] It should be understood that the foregoing general description and the following detailed description are merely exemplary and explanatory and are not intended to limit the present disclosure.

[0029] This application document provides an overview of various implementations or examples of the technology described in the present disclosure and is not an exhaustive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments recorded in the present invention, and those of ordinary skill in the art can also obtain other drawings based on these drawings.

[0031] Figure 1 It is a schematic three-dimensional structure diagram provided by an embodiment of the present invention;

[0032] Figure 2 It is a bottom view of the top plate provided by an embodiment of the present invention;

[0033] Figure 3 It is provided by an embodiment of the present invention Figure 2 An enlarged view of the portion at A shown;

[0034] Figure 4 It is a partial structural schematic diagram of the welding table, the driving assembly and the cleaning assembly provided by an embodiment of the present invention;

[0035] Figure 5 It is a longitudinal sectional structural schematic diagram of the driving gear and the annular plate provided by an embodiment of the present invention;

[0036] Figure 6 It is provided by an embodiment of the present invention Figure 5 An enlarged view of the portion at B shown;

[0037] Figure 7 It is a bottom view internal structural schematic diagram of the limiting tube provided by an embodiment of the present invention.

[0038] Description of the reference numerals:

[0039] 1. Welding table; 11. Fixture; 2. Top plate; 21. Hydraulic cylinder; 22. Pressing plate; 23. Fixed plate; 3. Welding head; 41. Limiting plate; 42. Annular plate; 43. Driving gear; 44. Rack; 51. Limiting tube; 52. Rectangular rod; 521. Rectangular block; 53. Sliding rod; 54. Limiting block; 55. Return spring; 56. Rotating rod; 561. Torsion spring; 57. Fixed tube; 58. Moving rod; 581. Guide hole; 59. Contact spring; 61. Connecting rod; 62. Cleaning brush; 63. Connecting plate; 64. Driven gear. Detailed implementation manners

[0040] To make the objectives, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. Obviously, the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present disclosure without creative efforts shall fall within the scope of protection of the present disclosure.

[0041] Please refer to Figures 1-7 , a welding production line for the inner liner of an oven provided in this embodiment includes a welding table 1, and a fixture 11 is arranged on the welding table 1. The fixture 11 is used for clamping the inner liner of the oven. It further includes a hydraulic cylinder 21. The output end of the hydraulic cylinder 21 is fixedly connected to a top plate 2. A welding head 3 is arranged on the top plate 2. The welding head 3 slides on the top plate 2 through a driving assembly so that the welding head 3 moves outside the top plate 2 to weld the edge of the inner liner of the oven. It further includes a steering assembly, which is passively steered when the welding head 3 moves to the edge of the inner liner of the oven, so that the welding head 3 adapts to the angle change when moving at the four corners of the inner liner of the oven. Place the inner liner of the oven on the welding table 1, clamp and fix it through the fixture 11, then drive the top plate 2 to move downward through the hydraulic cylinder 21, drive the welding table 1 to move to the welding position of the inner liner of the oven, rotate through the driving assembly so that the welding head 3 moves along the edge of the inner liner of the oven, so that the welding head 3 fully welds the inner liner of the oven. When the welding head 3 moves to the four corners of the inner liner of the oven, the welding head 3 is passively driven to turn synchronously through the steering assembly, so that the welding head 3 is always perpendicular to the weld seam, ensuring the welding effect and reducing false welding.

[0042] In an embodiment further provided by the present invention, the driving assembly includes a rack 44 fixed outside the top plate 2. A driving gear 43 is meshed with the rack 44 in a transmission manner. The driving gear 43 is rotatably connected to an annular plate 42. The bottom of the annular plate 42 is rotatably connected to a limiting plate 41. The welding head 3 is fixedly connected to the limiting plate 41. The driving gear 43 is slidably arranged on the top plate 2 and slides along the edge of the top plate 2 so that the driving gear 43 is always meshed with the rack 44.

[0043] In an embodiment further provided by the present invention, the steering assembly includes a limiting tube 51 fixed on the driving gear 43. A rectangular rod 52 is slidably arranged in the limiting tube 51. A rectangular block 521 is fixedly connected to the outside of the rectangular rod 52. The rectangular rod 52 penetrates through the driving gear 43 and the annular plate 42 and is fixedly connected to the limiting plate 41. The rectangular rod 52 and the limiting plate 41 are fixedly connected by a telescopic rod. The limiting plate 41 is rotatably connected to the annular plate 42. When the rectangular rod 52 moves up and down, it will not cause movement interference to the limiting plate 41. The rectangular rod 52 is not adapted to the annular plate 42 and the driving gear 43. When the driving gear 43 rotates, it will not drive the annular plate 42 to rotate. A plurality of sliding rods 53 are slidably arranged in the annular plate 42. The sliding rods 53 extend outside the annular plate 42. And one end of the sliding rod 53 close to the rectangular rod 52 is provided with a wedge surface. The limiting tube 51 is composed of an annular groove and a groove (as Figure 7 shown). When the rectangular block 521 is located in the annular groove, the rotation of the driving gear 43 will not drive the limiting plate 41 to rotate. When the sliding rod 53 moves, the wedge surface pushes the rectangular rod 52 upward, so that the rectangular block 521 moves into the groove, so that the rotation of the driving gear 43 drives the rectangular rod 52 to rotate synchronously.

[0044] Further, a limiting block 54 is slidably arranged in the sliding rod 53. The limiting block 54 is fixedly connected to the annular plate 42. And a return spring 55 is fixedly connected to the limiting block 54. The return spring 55 is fixedly connected to the inner wall of the sliding rod 53.

[0045] Furthermore, the steering assembly includes a rotating rod 56 rotating at the bottom of the top plate 2. A fixed tube 57 is fixedly connected to the outside of the rotating rod 56. A moving rod 58 is slidably arranged in the fixed tube 57. A contact spring 59 is fixedly connected to the inner wall of the fixed tube 57. The contact spring 59 is fixedly connected to the moving rod 58. The moving rod 58 is adapted to the sliding rod 53. When the annular plate 42 moves to the position of the moving rod 58, the moving rod 58 can push the sliding rod 53 to move into the annular plate 42, so as to realize the movement of the rectangular rod 52. Four rotating rods 56 are provided, which are respectively located at the four corners of the top.

[0046] In the embodiment provided by the present invention, a fixing plate 23 is fixedly connected to the bottom of the top plate 2. Guide holes 581 are formed in both the moving rod 58 and the fixed tube 57. The fixing plate 23 is adapted to the guide holes 581. The end of the fixing plate 23 is a wedge surface. When the rotating rod 56 rotates to drive the fixed tube 57 to rotate, the moving rod 58 slides into the fixed tube 57 through the fixing plate 23.

[0047] Specifically, a torsion spring 561 is sleeved outside the rotating rod 56. The two ends of the torsion spring 561 are respectively fixedly connected to the top plate 2 and the fixed tube 57.

[0048] In a further aspect provided by the present invention, a cleaning assembly is further included to clean the welding area during the welding of the welding head 3. The cleaning assembly includes a connecting rod 61 slidably disposed outside the top plate 2. A cleaning brush 62 is fixedly connected to the bottom end of the connecting rod 61. The cleaning brush 62 is in movable contact with the inner wall of the oven. A driven gear 64 is fixedly connected outside the connecting rod 61. The driven gear 64 meshes with the driving gear 43. The connecting rod 61 moves along the outer edge of the top plate 2 so that the cleaning brush 62 always cleans the welding area.

[0049] In the present invention, a connecting plate 63 is sleeved outside the limiting tube 51. The connecting plate 63 is rotatably connected to the connecting rod 61.

[0050] In the present invention, a plurality of pressing plates 22 are fixedly connected to the bottom of the top plate 2. When the hydraulic cylinder 21 moves downward, it drives the top plate 2 and the pressing plates 22 to move, so that the pressing plates 22 move to contact and press the inner wall of the oven, so that the bottom plate and the inner wall of the oven are mutually pressed, thereby reducing the false welding of the welding head 3 and ensuring the welding effect.

[0051] During use, place the bottom plate and the inner wall of the oven on the welding table 1, fix the bottom plate of the oven through the fixture 11, then drive the hydraulic cylinder 21 to move downward, drive the top plate 2 to move synchronously, thereby driving the pressing plates 22 to move downward, so that the pressing plates 22 contact and press the inner wall, then close the hydraulic cylinder 21 and keep it in the extended state, and then drive the limiting tube 51 to rotate through a driving device (not shown in the figure), thereby driving the driving gear 43 to rotate. Since the driving gear 43 meshes with the rack 44, the driving gear 43 moves on the surface of the rack 44, thereby driving the welding head 3 to move along the edge of the inner wall of the oven to weld the welding area of the inner wall of the oven;

[0052] When the annular plate 42 moves to the corner of the oven inner liner, it drives the annular plate 42 to move synchronously to the moving rod 58. After the moving rod 58 moves to the sliding rod 53, through the elastic release of the abutting spring 59, the moving rod 58 pushes the sliding rod 53 to slide into the annular plate 42, so that the return spring 55 is compressed. The sliding rod 53 moves to push the rectangular rod 52 to move upward, driving the rectangular block 521 to move into the groove of the limiting tube 51, so that the driving gear 43 rotates to drive the rectangular rod 52 to rotate synchronously, so that the annular plate 42 drives the limiting plate 41 to rotate, so that the welding head 3 rotates, so that when welding the corner of the oven inner liner, the angle is automatically changed;

[0053] The annular plate 42 drives the moving rod 58 to rotate around the rotating rod 56, so that the torsion spring 561 is twisted. When the guiding hole 581 moves to the fixed plate 23, it drives the moving rod 58 to move into the fixed tube 57, so that the moving rod 58 moves out of the annular plate 42, and drives the fixed tube 57 to rotate and reset through the torsion spring 561;

[0054] After the moving rod 58 moves out of the annular plate 42, the sliding rod 53 is pushed out of the rectangular rod 52 through the return spring 55, so that the rectangular frame moves down into the annular groove, driving the driving gear 43 to separate from the annular plate 42, so that the welding head 3 stops rotating.

[0055] Only some exemplary embodiments of the present invention are described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present invention, the described embodiments can be modified in various different ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of the claims of the present invention.

Claims

1. An oven liner welding production line, comprising a welding station (1), characterized in that: The welding table (1) is provided with a clamp (11), and the clamp (11) is used to clamp the oven liner; It also comprises a hydraulic cylinder (21), the output end of the hydraulic cylinder (21) is fixedly connected to a top plate (2), a welding head (3) is arranged on the top plate (2), and the welding head (3) slides on the top plate (2) through a driving component, so that the welding head (3) moves outside the top plate (2) to weld the edge of the oven inner container; It also comprises a steering assembly, which is used for passive steering when the welding head (3) moves to the edge of the oven inner container, so that the welding head (3) can adapt to the angle change when it moves at the four corners of the oven inner container.

2. The oven liner welding production line according to claim 1, characterized in that: The driving assembly comprises a rack (44) fixed outside the top plate (2), a driving gear (43) being transmission-engaged on the rack (44), the driving gear (43) being rotationally connected to an annular plate (42), the bottom of the annular plate (42) being rotationally connected to a limit plate (41), and the welding head (3) being fixedly connected to the limit plate (41).

3. The oven liner welding production line according to claim 2 is characterized in that: The steering assembly comprises a limiting tube (51) fixed on the driving gear (43), a rectangular rod (52) slidably arranged inside the limiting tube (51), a rectangular block (521) is fixedly connected to the outside of the rectangular rod (52), and the rectangular rod (52) penetrates the driving gear (43) and the annular plate (42) and is fixedly connected to the limiting plate (41), and a plurality of sliding rods (53) are slidably arranged inside the annular plate (42).

4. The oven liner welding production line according to claim 3 is characterized in that: A limit block (54) is slidably arranged inside the sliding rod (53), the limit block (54) is fixedly connected to the annular plate (42), and a return spring (55) is fixedly connected to the limit block (54), and the return spring (55) is fixedly connected to the inner wall of the sliding rod (53).

5. The oven liner welding production line according to claim 3 is characterized in that: The steering assembly comprises a rotating rod (56) rotating at the bottom of the top plate (2); the rotating rod (56) is fixedly connected to a fixed tube (57) on the outside; a moving rod (58) is slidably arranged inside the fixed tube (57); an abutment spring (59) is fixedly connected to the inner wall of the fixed tube (57); and the abutment spring (59) is fixedly connected to the moving rod (58).

6. The oven liner welding production line according to claim 5, characterized in that: The bottom of the top plate (2) is fixedly connected to a fixing plate (23), and guide holes (581) are provided on the moving rod (58) and the fixing tube (57), and the fixing plate (23) is adapted to the guide holes (581).

7. The oven liner welding production line according to claim 5, characterized in that: The rotating rod (56) is provided with a torsion spring (561) on its outer sleeve, and the two ends of the torsion spring (561) are respectively fixedly connected to the top plate (2) and the fixed tube (57).

8. The oven liner welding production line according to claim 3, characterized in that: The invention also comprises a cleaning assembly for cleaning the welded joint when the welding head (3) is welded, the cleaning assembly comprising a connecting rod (61) slidably arranged outside the top plate (2), a cleaning brush (62) being fixedly connected to the bottom end of the connecting rod (61), the cleaning brush (62) being in active contact with the inner container of the oven, a driven gear (64) being fixedly connected to the outside of the connecting rod (61), the driven gear (64) being meshed with the driving gear (43).

9. The oven liner welding production line according to claim 8, characterized in that: The limiting tube (51) is provided with a connecting plate (63) on its outer shell, and the connecting plate (63) is rotatably connected to the connecting rod (61).

10. The oven liner welding production line according to claim 1, characterized in that: A plurality of pressing plates (22) are fixedly connected to the bottom of the top plate (2).

Images