Floating floor slab opening die welding clamp

Abstract

The invention discloses a floating floor slab opening mold welding clamp, and relates to the technical field of welding positioning. According to the floating floor slab opening mold welding clamp, through cooperation of the positioning assemblies, side edge plates on the two sides can be pushed to the two sides of the bottom base plate to be spliced, supporting and positioning of the side edge plates are completed through contact of a plurality of side edge clamping pieces and the side edge plates, meanwhile, through cooperation of the inner side supporting plates and other assemblies, positioning and clamping operation of the side edge plates can be completed, and the welding efficiency of the floating floor slab opening mold is improved. And the attaching effect and stability between the side edge plates and the bottom substrate are guaranteed, and the subsequent welding effect and operation efficiency are further improved.

Description

Technical Field

[0001] The invention relates to the technical field of welding positioning, in particular to a welding fixture for an opening mould of a floating floor. Background Art

[0002] The floating floor opening mold is mainly used for the die-casting of the floating floor, and welding is required during production. Referring to the Chinese patent, the announcement number is "CN221313056U" "composite floor opening mold welding fixture", which points out that it is not easy to keep the plates perpendicular to each other and it is easy to misalign in the existing welding process, which makes welding inconvenient; but the equipment still has the problems of poor welding effect and low efficiency. In this regard, we propose a floating floor opening mold welding fixture to solve the above problems. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a welding fixture for an opening formwork of a floating floor slab, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a floating floor opening mold welding fixture, including a body, a bearing plate frame is rotatably connected to the top surface of the body, a bottom base plate is placed above the bearing plate frame, and a plurality of side plates are connected to the outside of the bottom base plate;

[0005] A driving cylinder is fixedly installed on the top of the machine body, a driving rod is fixedly connected to the piston end of the driving cylinder, a limiting sleeve is slidably sleeved on the end of the driving rod, and a pressing plate is fixedly installed on the end of the limiting sleeve for pressing and positioning the bottom substrate;

[0006] A first piston is slidably connected inside the limiting sleeve, a support spring is fixedly installed between the first piston and the inside of the limiting sleeve, the driving rod is fixedly connected to the first piston, and connecting sleeves that are interconnected are fixedly installed on both sides of the limiting sleeve, a sliding rod is slidably connected inside the connecting sleeve, and the end of the sliding rod is fixedly connected to an inner support plate for supporting the side plate;

[0007] A second piston is slidably installed inside the connecting sleeve, and the sliding rod is fixedly connected to the second piston. A reset spring is fixedly installed between the inner support plate and the limiting sleeve to drive the sliding rod and the inner support plate to reset.

[0008] Preferably, a connecting plate is fixedly mounted on the outer side of the machine body, and the driving cylinder is fixedly mounted inside the connecting plate.

[0009] Preferably, a driving assembly is provided inside the machine body for driving the supporting disc rack to rotate on the top surface of the machine body to adjust the angle of the bottom substrate.

[0010] Preferably, the driving assembly includes a driving shaft, which is rotatably installed at the center position inside the machine body, and the end of the driving shaft is fixedly connected to the bottom center position of the supporting disc frame, and a driving motor is fixedly installed inside the machine body, and the output end of the driving motor and the outer side of the driving shaft are fixedly sleeved with driving gears, and the two driving gears are meshed with each other.

[0011] Preferably, positioning components are provided on both sides of the machine body for positioning the side panels, the positioning components include a right-angle positioning frame, the right-angle positioning frame is fixed to the outside of the machine body, a pushing cylinder is fixedly installed inside the right-angle positioning frame, a clamping plate is slidably installed on the side of the right-angle positioning frame close to the side panel, the piston end of the pushing cylinder is fixedly connected to the clamping plate, connecting rods are fixedly installed on both ends of the side of the clamping plate, and side clamping plates are fixedly installed through the connecting rods, and the side clamping plates are used to clamp and position the side panels.

[0012] Preferably, both ends of the clamping plate are fixedly mounted with limit rods, and the limit rods penetrate through the corresponding right-angle positioning frame and are slidably connected thereto.

[0013] Preferably, the side clamping pieces on both sides always maintain symmetry.

[0014] Preferably, a negative pressure ring frame is fixedly installed on the middle part of one side of the clamping plate close to the side plate, a negative pressure device is fixedly installed on the outer side of the body, and a connecting pipe is connected between the negative pressure device and the negative pressure ring frame.

[0015] Preferably, a cleaning ring frame is provided on the outer side of the machine body, and the cleaning ring frame is fixedly mounted on the outer side of the machine body, and a plurality of ventilation holes are symmetrically opened on the top surface of the cleaning ring frame.

[0016] Preferably, the cleaning ring frame and the negative pressure device are connected to each other.

[0017] The present invention provides a floating floor opening mold welding fixture. Compared with the prior art, it has the following advantages:

[0018] Beneficial effects:

[0019] (1) The floating floor opening mold welding fixture can push the side panels on both sides to the two sides of the bottom base plate to complete the splicing through the cooperation of the positioning components, and contact the side panels through multiple side clamping pieces to complete the support and positioning of the side panels. At the same time, through the cooperation of components such as the inner support plate, the positioning and clamping operations of the side panels can be completed, thereby ensuring the fitting effect and stability between the side panels and the bottom base plate, and further improving the subsequent welding effect and operation efficiency.

[0020] (2) The floating floor open mold welding fixture can complete the adsorption and positioning of the side plates through the setting of the negative pressure ring frame. On the one hand, it can prevent the side plates from falling when the clamping plate moves, and at the same time improve the stability between the side plates and the bottom plate. In addition, through the cooperation of the cleaning ring frame, the gas and debris generated during the welding process can be extracted and collected to avoid affecting the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 For the present invention Figure 1 Look at the structural diagram;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the limiting sleeve of the present invention;

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the machine body of the present invention;

[0025] Figure 5 For the present invention Figure 4 The enlarged structural diagram at A in the middle;

[0026] Figure 6 For the present invention Figure 4 Look at the structural diagram;

[0027] Figure 7 It is a schematic diagram of the structure of the clamping plate of the present invention;

[0028] Figure 8 It is a schematic diagram of the structure of the limiting shaft sleeve and the bottom base plate of the present invention.

[0029] In the figure: 1, machine body; 2, bearing plate frame; 3, connecting plate; 4, driving cylinder; 5, driving rod; 6, limiting sleeve; 601, first piston; 602, supporting spring; 603, pressure plate; 604, connecting sleeve; 605, sliding rod; 6051, second piston; 6052, inner supporting plate; 6053, reset spring; 7, bottom base plate; 8, side plate; 9, cleaning ring frame; 901, vent hole; 10, negative pressure device; 11, driving shaft; 12, driving motor; 13, driving gear; 14, right-angle positioning frame; 1401, pushing cylinder; 15, clamping plate; 1501, limiting rod; 16, side clamping piece; 1601, connecting rod; 17, negative pressure ring frame; 1701, connecting pipe. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-Figure 8 The present invention provides two technical solutions, which specifically include the following embodiments:

[0032] Embodiment 1:

[0033] In an embodiment of the present invention, a floating floor opening mold welding fixture includes a body 1, a top surface of the body 1 is rotatably connected to a bearing plate frame 2, a bottom base plate 7 is placed above the bearing plate frame 2, and a plurality of side plates 8 are connected to the outside of the bottom base plate 7;

[0034] In the embodiment of the present invention, when the opening mold is welded, the bottom substrate 7 needs to be fixed first, and then the side plate 8 to be welded is attached to the welding position of the bottom substrate 7, and then the welding operation is performed. Figure 1-Figure 8 Before welding the bottom substrate 7 and the side panels 8, first place the bottom substrate 7 directly above the carrier tray 2, then sequentially splice the side panels 8 and the bottom substrate 7, and finally perform the welding operation;

[0035] In the embodiment of the present invention, a driving cylinder 4 is fixedly installed on the top of the body 1, a driving rod 5 is fixedly connected to the piston end of the driving cylinder 4, the end of the driving rod 5 is slidably sleeved with a limiting sleeve 6, and a pressing plate 603 is fixedly installed on the end of the limiting sleeve 6 for pressing and positioning the bottom substrate 7;

[0036] In the embodiment of the present invention, specifically, after the bottom substrate 7 is placed on the carrier tray 2, the side plates 8 on both sides are pushed to both sides of the bottom substrate 7 by the positioning assembly to complete the splicing, and then as the driving cylinder 4 runs, the driving rod 5 and the limiting shaft sleeve 6 can be driven to move downward, so that the pressing plate 603 can contact the bottom substrate 7, and the positioning of the bottom substrate 7 is completed, and the welding operation can be carried out;

[0037] In the embodiment of the present invention, a first piston 601 is slidably connected inside the limiting sleeve 6, a support spring 602 is fixedly installed between the first piston 601 and the inside of the limiting sleeve 6, the driving rod 5 is fixedly connected to the first piston 601, and connecting sleeves 604 that are interconnected are fixedly installed on both sides of the limiting sleeve 6, a sliding rod 605 is slidably connected inside the connecting sleeve 604, and the end of the sliding rod 605 is fixedly connected to an inner support plate 6052 for supporting the side plate 8;

[0038] In the embodiment of the present invention, a second piston 6051 is slidably installed inside the connecting sleeve 604, the sliding rod 605 is fixedly connected to the second piston 6051, and a reset spring 6053 is fixedly installed between the inner support plate 6052 and the limiting sleeve 6, which is used to drive the sliding rod 605 and the inner support plate 6052 to reset;

[0039] In the embodiment of the present invention, after the pressing plate 603 contacts the bottom substrate 7, as the driving rod 5 continues to move downward, the first piston 601 can be pushed to slide inside the limiting sleeve 6 to squeeze the supporting spring 602. At this time, the air inside the limiting sleeve 6 can enter the connected connecting sleeve 604, so that the sliding rods 605 on both sides can slide outward through the cooperation of the second piston 6051, until the inner supporting plate 6052 at the end of the sliding rod 605 contacts the side plate 8, thereby completing the clamping and positioning of the side plate 8.

[0040] In the embodiment of the present invention, a connecting plate 3 is fixedly installed on the outside of the machine body 1, and a driving cylinder 4 is fixedly installed inside the connecting plate 3;

[0041] In the embodiment of the present invention, a driving assembly is provided inside the body 1 to drive the carrier plate frame 2 to rotate on the top surface of the body 1 to adjust the angle of the bottom substrate 7;

[0042] In the embodiment of the present invention, after a welding operation is completed, the driving assembly can be operated to drive the carrier plate frame 2 to rotate, so that the bottom substrate 7 can complete the angle adjustment, further improving the convenience of welding after positioning;

[0043] In the embodiment of the present invention, the driving assembly includes a driving shaft 11, which is rotatably mounted at the center of the body 1, and the end of the driving shaft 11 is fixedly connected to the bottom center of the carrier disc rack 2, and a driving motor 12 is fixedly mounted inside the body 1, and a driving gear 13 is fixedly sleeved at the output end of the driving motor 12 and the outer side of the driving shaft 11, and the two driving gears 13 are meshed with each other;

[0044] In the embodiment of the present invention, specifically, as the driving motor 12 rotates, the driving shaft 11 can be driven to rotate through the cooperation of the driving gear 13, so that the carrier disc rack 2 can rotate along with the driving shaft 11;

[0045] In the embodiment of the present invention, specifically, both sides of the machine body 1 are provided with positioning components for positioning the side panels 8, and the positioning components include a right-angle positioning frame 14, the right-angle positioning frame 14 is fixed to the outside of the machine body 1, a push cylinder 1401 is fixedly installed inside the right-angle positioning frame 14, a clamping plate 15 is slidably installed on one side of the right-angle positioning frame 14 close to the side panel 8, a piston end of the push cylinder 1401 is fixedly connected to the clamping plate 15, connecting rods 1601 are fixedly installed at both ends of the side of the clamping plate 15, and a side clamping sheet 16 is fixedly installed through the connecting rod 1601, and the side clamping sheet 16 is used to clamp and position the side panel 8;

[0046] In the embodiment of the present invention, the pushing cylinder 1401 is operated to drive the clamping plate 15 to move toward the side plate 8 until the plurality of side clamping pieces 16 are in contact with the side plate 8, thereby completing the positioning of the side plate 8, and the inner support plate 6052 cooperates to complete the clamping operation of the side plate 8, thereby ensuring the lamination effect and stability between the side plate 8 and the bottom substrate 7, and further improving the subsequent welding effect;

[0047] In the embodiment of the present invention, specifically, both ends of the clamping plate 15 are fixedly installed with limit rods 1501, the limit rods 1501 penetrate the corresponding right-angle positioning frame 14 and are slidably connected thereto, and the limit rods 1501 are used to ensure the movement stability of the clamping plate 15;

[0048] Specifically, the side clamping pieces 16 on both sides always maintain symmetry.

[0049] Embodiment 2: Based on embodiment 1, a floating floor opening mold welding fixture comprises a body 1, a top surface of the body 1 is rotatably connected to a bearing plate frame 2, a bottom plate 7 is placed above the bearing plate frame 2, and a plurality of side plates 8 are connected to the outside of the bottom plate 7;

[0050] In the embodiment of the present invention, when the opening mold is welded, the bottom substrate 7 needs to be fixed first, and then the side plate 8 to be welded is attached to the welding position of the bottom substrate 7, and then the welding operation is performed. Figure 1-Figure 8 Before welding the bottom substrate 7 and the side panels 8, first place the bottom substrate 7 directly above the carrier tray 2, then sequentially splice the side panels 8 and the bottom substrate 7, and finally perform the welding operation;

[0051] In the embodiment of the present invention, a driving cylinder 4 is fixedly installed on the top of the body 1, a driving rod 5 is fixedly connected to the piston end of the driving cylinder 4, the end of the driving rod 5 is slidably sleeved with a limiting sleeve 6, and a pressing plate 603 is fixedly installed on the end of the limiting sleeve 6 for pressing and positioning the bottom substrate 7;

[0052] Specifically, after the bottom substrate 7 is placed on the carrier tray 2, the side panels 8 on both sides are pushed to the sides of the bottom substrate 7 by the positioning assembly to complete the splicing, and then as the driving cylinder 4 runs, the driving rod 5 and the limiting shaft sleeve 6 can be driven to move downward, so that the pressing plate 603 can contact the bottom substrate 7, and the positioning of the bottom substrate 7 is completed, and the welding operation can be carried out;

[0053] In the embodiment of the present invention, a first piston 601 is slidably connected inside the limiting sleeve 6, a support spring 602 is fixedly installed between the first piston 601 and the inside of the limiting sleeve 6, the driving rod 5 is fixedly connected to the first piston 601, and connecting sleeves 604 that are interconnected are fixedly installed on both sides of the limiting sleeve 6, a sliding rod 605 is slidably connected inside the connecting sleeve 604, and the end of the sliding rod 605 is fixedly connected to an inner support plate 6052 for supporting the side plate 8;

[0054] In the embodiment of the present invention, a second piston 6051 is slidably installed inside the connecting sleeve 604, the sliding rod 605 is fixedly connected to the second piston 6051, and a reset spring 6053 is fixedly installed between the inner support plate 6052 and the limiting sleeve 6, which is used to drive the sliding rod 605 and the inner support plate 6052 to reset;

[0055] In the embodiment of the present invention, after the pressing plate 603 contacts the bottom substrate 7, as the driving rod 5 continues to move downward, the first piston 601 can be pushed to slide inside the limiting sleeve 6 to squeeze the supporting spring 602. At this time, the air inside the limiting sleeve 6 can enter the connected connecting sleeve 604, so that the sliding rods 605 on both sides can slide outward through the cooperation of the second piston 6051, until the inner supporting plate 6052 at the end of the sliding rod 605 contacts the side plate 8, thereby completing the clamping and positioning of the side plate 8.

[0056] In the embodiment of the present invention, a connecting plate 3 is fixedly installed on the outside of the machine body 1, and a driving cylinder 4 is fixedly installed inside the connecting plate 3;

[0057] In the embodiment of the present invention, a driving assembly is provided inside the body 1 to drive the carrier plate frame 2 to rotate on the top surface of the body 1 to adjust the angle of the bottom substrate 7;

[0058] In the embodiment of the present invention, after a welding operation is completed, the driving assembly can be operated to drive the carrier plate frame 2 to rotate, so that the bottom substrate 7 can complete the angle adjustment, further improving the convenience of welding after positioning;

[0059] In the embodiment of the present invention, the driving assembly includes a driving shaft 11, which is rotatably mounted at the center of the body 1, and the end of the driving shaft 11 is fixedly connected to the bottom center of the carrier disc rack 2, and a driving motor 12 is fixedly mounted inside the body 1, and a driving gear 13 is fixedly sleeved at the output end of the driving motor 12 and the outer side of the driving shaft 11, and the two driving gears 13 are meshed with each other;

[0060] In the embodiment of the present invention, specifically, as the driving motor 12 rotates, the driving shaft 11 can be driven to rotate through the cooperation of the driving gear 13, so that the carrier disc rack 2 can rotate along with the driving shaft 11;

[0061] Specifically, both sides of the machine body 1 are provided with positioning components for positioning the side panels 8, and the positioning components include a right-angle positioning frame 14, which is fixed to the outside of the machine body 1, and a push cylinder 1401 is fixedly installed inside the right-angle positioning frame 14, and a clamping plate 15 is slidably installed on the side of the right-angle positioning frame 14 close to the side panel 8, and the piston end of the push cylinder 1401 is fixedly connected to the clamping plate 15, and both ends of the side of the clamping plate 15 are fixedly installed with connecting rods 1601 and fixedly installed with side clamping sheets 16 through the connecting rods 1601, and the side clamping sheets 16 are used to clamp and position the side panels 8;

[0062] In the embodiment of the present invention, the pushing cylinder 1401 is operated to drive the clamping plate 15 to move toward the side plate 8 until the plurality of side clamping pieces 16 are in contact with the side plate 8, thereby completing the positioning of the side plate 8, and the inner support plate 6052 cooperates to complete the clamping operation of the side plate 8, thereby ensuring the lamination effect and stability between the side plate 8 and the bottom substrate 7, and further improving the subsequent welding effect;

[0063] Specifically, both ends of the clamping plate 15 are fixedly installed with limit rods 1501, which penetrate the corresponding right-angle positioning frame 14 and are slidably connected thereto, and the limit rods 1501 are used to ensure the movement stability of the clamping plate 15;

[0064] In the embodiment of the present invention, specifically, the side clamping pieces 16 on both sides always maintain symmetry;

[0065] In the embodiment of the present invention, a negative pressure ring frame 17 is fixedly installed in the middle of one side of the clamping plate 15 close to the side plate 8, a negative pressure device 10 is fixedly installed on the outer side of the body 1, and a connecting pipe 1701 is connected between the negative pressure device 10 and the negative pressure ring frame 17;

[0066] In the embodiment of the present invention, further, by setting the negative pressure ring frame 17, the side plate 8 can be adsorbed by the negative pressure ring frame 17, which can prevent the side plate 8 from falling when the clamping plate 15 moves, and at the same time improve the stability between the side plate 8 and the bottom plate 7;

[0067] In the embodiment of the present invention, the negative pressure device 10 is an existing device and will not be described in detail here;

[0068] In the embodiment of the present invention, further, a cleaning ring frame 9 is provided on the outer side of the machine body 1, and the cleaning ring frame 9 is fixedly mounted on the outer side of the machine body 1, and a plurality of vent holes 901 are symmetrically opened on the top surface of the cleaning ring frame 9;

[0069] In the embodiment of the present invention, the cleaning ring frame 9 and the negative pressure device 10 are connected to each other;

[0070] In the embodiment of the present invention, by providing the cleaning ring stand 9, during the welding process, the negative pressure device 10 is operated, and the gas and debris generated during the welding process can be collected through the cleaning ring stand 9 to avoid affecting the working environment.

[0071] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0072] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the present invention.

Claims

1. A floating floor opening form welding fixture, comprising a body (1), characterized in that: The top surface of the machine body (1) is rotatably connected to a carrier disc frame (2), a bottom substrate (7) is placed above the carrier disc frame (2), and a plurality of side panels (8) are externally connected to the bottom substrate (7); A driving cylinder (4) is fixedly mounted on the top of the machine body (1); a driving rod (5) is fixedly connected to the piston end of the driving cylinder (4); the end of the driving rod (5) is slidably sleeved with a limiting shaft sleeve (6); and a pressing plate (603) is fixedly mounted on the end of the limiting shaft sleeve (6) for pressing and positioning the bottom base plate (7); A first piston (601) is slidably connected inside the limiting sleeve (6), a support spring (602) is fixedly installed between the first piston (601) and the inside of the limiting sleeve (6), the driving rod (5) is fixedly connected to the first piston (601), and connecting sleeves (604) that are interconnected are fixedly installed on both sides of the limiting sleeve (6), a sliding rod (605) is slidably connected inside the connecting sleeve (604), and the end of the sliding rod (605) is fixedly connected to an inner support plate (6052) for supporting the side plate (8); A second piston (6051) is slidably mounted inside the connecting sleeve (604), the sliding rod (605) is fixedly connected to the second piston (6051), and a reset spring (6053) is fixedly mounted between the inner support plate (6052) and the limiting sleeve (6) for driving the sliding rod (605) and the inner support plate (6052) to reset.

2. A floating floor opening form welding fixture according to claim 1, characterized in that: A connecting plate (3) is fixedly mounted on the outside of the machine body (1), and the driving cylinder (4) is fixedly mounted inside the connecting plate (3).

3. A floating floor opening form welding fixture according to claim 1, characterized in that: A driving assembly is provided inside the machine body (1) for driving the bearing disc rack (2) to rotate on the top surface of the machine body (1) to adjust the angle of the bottom substrate (7).

4. A floating floor opening form welding fixture according to claim 3, characterized in that: The driving assembly comprises a driving shaft (11), the driving shaft (11) is rotatably mounted at a central position inside the machine body (1), and an end of the driving shaft (11) is fixedly connected to a central position at the bottom of the supporting disc frame (2), a driving motor (12) is fixedly mounted inside the machine body (1), and a driving gear (13) is fixedly sleeved on an output end of the driving motor (12) and an outer side of the driving shaft (11), and the two driving gears (13) are meshed with each other.

5. The floating floor opening form welding fixture according to claim 1, characterized in that: Both sides of the machine body (1) are provided with positioning components for positioning the side panels (8), the positioning components comprising a right-angle positioning frame (14), the right-angle positioning frame (14) being fixed on the outside of the machine body (1), a pushing cylinder (1401) being fixedly installed inside the right-angle positioning frame (14), a clamping plate (15) being slidably installed on the side of the right-angle positioning frame (14) close to the side panel (8), a piston end of the pushing cylinder (1401) being fixedly connected to the clamping plate (15), connecting rods (1601) being fixedly installed on both ends of the side of the clamping plate (15), and side clamping plates (16) being fixedly installed through the connecting rods (1601), the side clamping plates (16) being used for clamping and positioning the side panels (8).

6. A floating floor opening form welding fixture according to claim 5, characterized in that: Limit rods (1501) are fixedly mounted on both ends of the clamping plate (15), and the limit rods (1501) penetrate the corresponding right-angle positioning frame (14) and are slidably connected thereto.

7. A floating floor opening form welding fixture according to claim 5, characterized in that: The side clamping pieces (16) on both sides always maintain symmetry.

8. A floating floor opening form welding fixture according to claim 5, characterized in that: A negative pressure ring frame (17) is fixedly installed in the middle of one side of the clamping plate (15) close to the side plate (8), and a negative pressure device (10) is fixedly installed on the outer side of the machine body (1), and a connecting pipe (1701) is connected between the negative pressure device (10) and the negative pressure ring frame (17).

9. A floating floor opening form welding fixture according to claim 8, characterized in that: A cleaning ring frame (9) is provided on the outside of the machine body (1), and the cleaning ring frame (9) is fixedly mounted on the outside of the machine body (1). A plurality of ventilation holes (901) are symmetrically provided on the top surface of the cleaning ring frame (9).

10. A floating floor opening form welding fixture according to claim 9, characterized in that: The cleaning ring frame (9) and the negative pressure device (10) are communicated with each other.

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