CN113751947A

CN113751947A - Welding tool for discharge door

Info

Publication number: CN113751947A
Application number: CN202111199343.1A
Authority: CN
Inventors: 史俊威; 张及东; 潘丽萍
Original assignee: Jiangsu Zhengchang Cereal And Feed Machinery Co ltd
Current assignee: Jiangsu Zhengchang Cereal And Feed Machinery Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2021-12-07

Abstract

The invention particularly relates to a welding tool for a discharge door, which comprises a chassis, two end baffles, two side baffles and a plurality of fixed supports, wherein one end baffle is arranged on the chassis through a first connecting piece, the other end baffle is arranged on the chassis through a second connecting piece, and the side baffles are arranged on the chassis through a third connecting piece; the end baffle and the side baffle are both provided with a plurality of pressing plates and a plurality of pressing blocks, the side plates are positioned between the corresponding pressing plates and the corresponding side baffles, the pressing blocks are in threaded connection with pressing screws, and the end parts of the pressing screws are pressed above the corresponding side plates; the fixed bolster passes through the fourth connecting piece and establishes on the chassis, and a plurality of fixed bolsters set gradually along the length direction of side board, are equipped with the crossbeam between two fixed bolsters that the discharge door both sides correspond, are equipped with the depression bar on the crossbeam, and the upper and lower slip of depression bar is provided with and compresses tightly the post, compresses tightly the door plant top of post gliding pressure at the discharge door.

Description

Welding tool for discharge door

Technical Field

The invention belongs to the technical field of welding tools, and particularly relates to a welding tool for a discharge door.

Background

As shown in fig. 1, discharge door 100 includes door plant 1001, the both ends welding of door plant 1001 has end panel 1002, the both sides welding of door plant 1001 has side board 1003, the welding has a plurality of strengthening ribs 1004 between the side board 1003 of door plant 1001 and both sides, a plurality of strengthening ribs 1004 set gradually along the length direction of door plant 1001, the welded process of discharge door must lead to panel to have the trend of deformation after being heated, because of there is not dedicated welding frock at present, the welded mode of discharge door is manual handheld welding, the uncontrollable mounting dimension that influences of welding deformation volume, make discharge door 100 install on the equipment more difficult, even on the equipment of unable accurate installation.

Disclosure of Invention

The invention provides a welding tool for a discharge door, which aims to solve the problem that a special welding tool for the discharge door is not available in the prior art.

In order to solve the technical problem, the technical scheme adopted by the invention is that the welding tool for the discharge door comprises a chassis, two end baffles, two side baffles and a plurality of fixing supports, wherein one end baffle is arranged on the chassis through a first connecting piece, the other end baffle is arranged on the chassis through a second connecting piece, and the side baffles are arranged on the chassis through a third connecting piece; the end baffle and the side baffle are both provided with a plurality of pressing plates and a plurality of pressing blocks, the pressing plates and the pressing blocks on the side baffle are all sequentially arranged along the length direction of the side plate, the side plate is positioned between the corresponding pressing plate and the side baffle, the pressing blocks are in threaded connection with pressing screws, and when the pressing screws are screwed down, the end parts of the pressing screws are pressed above the corresponding side plates;

the fixed support is arranged on the chassis through a fourth connecting piece, the fixed supports are sequentially arranged along the length direction of the side plate, two corresponding fixed supports on the two sides of the discharge door are provided with a cross beam, a pressing rod is arranged on the cross beam, a pressing column is arranged on the pressing rod in an up-and-down sliding mode, and the pressing column slides downwards above a door plate of the discharge door.

Preferably, the welding tool for the discharging door further comprises a longitudinal beam and a plurality of positioning clamps, the longitudinal beam is fixedly connected with the pressing rod, a plurality of connecting rods are arranged on the longitudinal beam along the length direction of the door plate, the positioning clamps are fixedly connected with the connecting rods, magnets are arranged between the left chuck and the right chuck of the positioning clamps, and the positioning clamps are used for clamping reinforcing ribs of the discharging door. The positioning clamp is simple in structure and ingenious in design, reinforcing ribs can be conveniently held, and welding operation of the reinforcing ribs is facilitated.

Preferably, the third connecting piece comprises a supporting platform, the supporting platform is rotatably connected with the fixed support, the rotating axis of the supporting platform faces to the length direction of the side baffle, and the side baffle is fixedly connected with the supporting platform; a sliding sleeve is fixedly arranged on the pressure rod, the sliding sleeve is arranged along the cross beam in a sliding manner, and the cross beam is connected with the fixed support in a sliding manner along the width direction of the discharge door; the fourth connecting piece comprises a fourth T-shaped block, a plurality of fourth T-shaped grooves are formed in the chassis along the width direction of the discharging door, the fourth T-shaped block is arranged in the fourth T-shaped grooves in a sliding mode, and the fourth T-shaped block is fixedly connected with the fixed support. The supporting platform can rotate according to the inclined angle of the side plate, so that the application range of the supporting platform is expanded, and the application range of the welding tool is expanded; the fixed bolster can drive the side shield and remove along the width direction who unloads the bin gate, and the sliding sleeve can drive and compress tightly post and location clip and remove along the width direction who unloads the bin gate for compress tightly the post and the location clip can be applicable to the bin gate of unloading of different width, enlarge this welding frock's application scope.

Preferably, the supporting platforms on one side of the discharging door are arranged in a rotating mode around a rotating shaft, and the rotating shaft is connected with a locking nut in a threaded mode. Rotate a pivot and adjust a plurality of supporting platform of unloading door one side simultaneously, make things convenient for supporting platform inclination's regulation, and guarantee that each supporting platform's angle of adjustment is unanimous, the locking nut locking pivot of being convenient for.

Preferably, an angle scale is arranged on the fixed support and used for marking the rotation angle of the rotating shaft. The rotation angle of the side baffle is convenient to observe.

Preferably, the first mounting part comprises a first T-shaped block, a first T-shaped groove is formed in the chassis along the width direction of the discharging door, the first T-shaped block is arranged in the first T-shaped groove in a sliding mode, and the first T-shaped block is fixedly connected with the corresponding end baffle; the second connecting piece comprises a mounting plate and a second T-shaped block, a plurality of second T-shaped grooves are formed in the chassis along the length direction of the discharging door, the second T-shaped block is arranged in the second T-shaped grooves in a sliding mode, the second T-shaped block is fixedly connected with the mounting plate, and the end baffle is correspondingly fixedly arranged on the mounting plate. Two end baffles all can follow the width direction who unloads the bin gate and move, and the end baffle of one end can follow the length direction who unloads the bin gate and move for the end baffle can be applicable to the bin gate of different width and length, enlarges the application scope of this welding frock.

Furthermore, the compression column is in threaded connection with the compression rod, and the compression column is provided with an operating rod. The compressing column can be conveniently moved up and down, and the threaded connection is convenient for self-locking after the compressing column is moved up and down.

Further, the bottom of compressing tightly the post is provided with the protective layer, the material of protective layer is rubber. Effectively prevent to compress tightly the post and scrape colored or press the door plant that warp.

Furthermore, the pressing plate is provided with an opening, the pressing plate is fixedly arranged on the side baffle through a pressing plate screw, and the opening of the pressing plate is matched with the pressing plate screw. The installation of the pressure plate is convenient, and the position of the pressure plate is convenient to set according to the height of the side plate.

Furthermore, the cross beam and the longitudinal beam are channel steel, and the chassis is made of HT300 materials. The welding tool is stable and reliable, and the cost is low.

Has the advantages that: the welding tool for the discharge door provided by the invention has the advantages that the whole discharge door is compressed and limited in all directions, no free displacement is ensured, the end plate, the side plate, the reinforcing ribs and other parts of the discharge door are welded, the welding tool forcibly restrains the discharge door from being deformed due to heating, the welding tool is effectively prevented from being deformed due to welding deformation, the size of the discharge door is prevented from being out of tolerance, the welding tool is removed after the whole discharge door is completely cooled, and the discharge door is taken out; the welding tool really realizes the universal matching between the discharge doors with the same specification of different types, and does not need to be shaped or matched in situ due to welding deformation, thereby greatly improving the working efficiency and thoroughly eliminating unnecessary shaping and modifying time; the side baffle of this welding frock can rotate according to the angle that the slope of side board set up, and the fixed bolster can drive the side baffle and remove along the width direction of discharge door, and two end shield all can remove along the width direction of discharge door, and the end shield of one end can remove along the length direction of discharge door for end shield and side shield can be applicable to the discharge door of different width and length, enlarge the application scope of this welding frock.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic perspective view of a discharge door;

FIG. 2 is a schematic perspective view of a discharge door welding fixture according to the present invention;

FIG. 3 is an enlarged partial schematic view of A in FIG. 2;

FIG. 4 is a schematic view of another angular perspective of the discharge door welding fixture of the present invention, wherein the stringers and positioning clips are not shown;

FIG. 5 is an enlarged partial schematic view of B in FIG. 4;

FIG. 6 is a schematic perspective view of a fixing bracket of the discharge door welding fixture according to the present invention;

FIG. 7 is a schematic perspective view of a positioning clip of the discharge door welding fixture of the present invention;

in the figure: 1. a chassis, 2, an end baffle, 3, a side baffle, 4, a fixed support, 5-2, a first T-shaped groove, 6-1, a mounting plate, 6-2, a second T-shaped block, 6-3, a second T-shaped groove, 7-1, a supporting platform, 7-2, a rotating shaft, 7-3, a locking nut, 7-4, an angle scale, 8, a pressing plate, 9, a pressing plate screw, 10, a pressing block, 11, a pressing screw, 12-1, a fourth T-shaped block, 12-2, a fourth T-shaped groove, 13, a cross beam, 14, a pressing rod, 14-1, a sliding sleeve, 15, a pressing column, 15-1, an operating rod, 16, a longitudinal beam, 17, a positioning clamp, 17-1, a left clamping head, 17-2, a right clamping head, 17-3, a magnet, 18, a connecting rod, 100, a discharge door, 1001, a door panel, 1002, an end plate, 1003. side plates 1004 and reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 7, a welding tool for a discharge door comprises a chassis 1, two end baffles 2, two side baffles 3 and a plurality of fixed supports 4, wherein one end baffle 2 is arranged on the chassis 1 through a first connecting piece, the other end baffle 2 is arranged on the chassis 1 through a second connecting piece, and the side baffles 3 are arranged on the chassis 1 through a third connecting piece, the two end baffles 2 are respectively attached to end face plates 1002 at two ends of the discharge door 100, the two side baffles 3 are respectively attached to side edge plates 1003 at two sides of the discharge door 100, and the end baffles 2 and the side baffles 3 enclose the discharge door 100; the end baffle 2 and the side baffle 3 are both provided with a plurality of pressing plates 8 and a plurality of pressing blocks 10, the pressing plates 8 and the pressing blocks 10 on the side baffle 3 are all sequentially arranged along the length direction of the side baffle 1003, the side baffle 1003 is positioned between the corresponding pressing plate 8 and the side baffle 3, the pressing blocks 10 are in threaded connection with pressing screws 11, and when the pressing screws 11 are screwed down, the end parts of the pressing screws 11 are pressed above the corresponding side baffle 1003; the fixed supports 4 are arranged on the chassis 1 through fourth connecting pieces, the fixed supports 4 are sequentially arranged along the length direction of the side edge plate 1003, a cross beam 13 is arranged between two fixed supports 4 corresponding to the two sides of the discharging door 100, a pressing rod 14 is arranged on the cross beam 13, a pressing column 15 is arranged on the pressing rod 14 in an up-and-down sliding mode, and the pressing column 15 is arranged above a door plate 1001 of the discharging door 100 in a downward sliding mode.

In order to facilitate the welding operation of the reinforcing rib 1004, in this embodiment, as shown in fig. 2, 3 and 7, the discharge door welding tool further includes a longitudinal beam 16 and a plurality of positioning clips 17, the longitudinal beam 16 is fixedly connected with the pressure rod 14, a plurality of connecting rods 18 are arranged on the longitudinal beam 16 along the length direction of the door panel 1001, the positioning clips 17 are fixedly connected with the connecting rods 18, a magnet 17-3 is arranged between the left chuck 17-1 and the right chuck 17-2 of the positioning clips 17, the left chuck 17-1 and the right chuck 17-2 are ingeniously clamped by the magnet 17-3, and the positioning clips 17 are used for clamping the reinforcing rib 1004 of the discharge door 100.

In order to expand the application range of the welding tool, specifically, in this embodiment, as shown in fig. 2 to 6, the third connecting member includes a supporting platform 7-1, the supporting platform 7-1 is rotatably connected to a fixed support 4, a rotation axis of the supporting platform 7-1 faces a length direction of a side baffle 3, the side baffle 3 is fixedly connected to the supporting platform 7-1, a plurality of supporting platforms 7-1 on one side of the discharge door 100 of this embodiment are rotatably disposed around a rotating shaft 7-2, a lock nut 7-3 is connected to the rotating shaft 7-2 in a threaded manner, an angle scale 7-4 is disposed on the fixed support 4 of this embodiment, and the angle scale 7-4 is used for indicating a rotation angle of the rotating shaft 7-2; a sliding sleeve 14-1 is fixedly arranged on the pressure lever 14, the longitudinal beam 16 of the embodiment is fixedly connected with the sliding sleeve 14-1, the sliding sleeve 14-1 is arranged along the cross beam 13 in a sliding manner, and the cross beam 13 is connected with the fixed support 4 in a sliding manner along the width direction of the discharge door 100; the fourth connecting piece comprises a fourth T-shaped block 12-1, a plurality of fourth T-shaped grooves 12-2 are formed in the chassis 1 in the width direction of the discharging door 100, the fourth T-shaped block 12-1 is arranged in the fourth T-shaped grooves 12-2 in a sliding mode, and the fourth T-shaped block 12-1 penetrates through the fixing support 4 and is locked and fixed through a nut.

In order to further expand the application range of the welding tool, specifically, in this embodiment, the first mounting part includes a first T-shaped block, a first T-shaped groove 5-2 is formed in the chassis 1 along the width direction of the discharge door 100, the first T-shaped block (not shown in the figure) is slidably disposed in the first T-shaped groove 5-2, and the first T-shaped block passes through the corresponding end baffle 2 and is locked and fixed by a nut; the second connecting piece comprises a mounting plate 6-1 and a second T-shaped block 6-2, a plurality of second T-shaped grooves 6-3 are formed in the chassis 1 along the length direction of the discharging door 100, the second T-shaped block 6-2 is arranged in the second T-shaped grooves 6-3 in a sliding mode, the second T-shaped block 6-2 penetrates through the mounting plate 6-1 and is locked and fixed through a nut, and the corresponding end baffle 2 is fixedly arranged on the mounting plate 6-1.

In order to facilitate the operation of moving the compressing column 15 up and down, in the embodiment, as shown in fig. 2 to 5, the compressing column 15 is in threaded connection with the pressing rod 14, and the operating rod 15-1 is arranged on the compressing column 15; in order to prevent the door panel 1001 from being scratched or deformed by the pressing column 15, in this embodiment, a protecting layer (not shown) is disposed at the bottom end of the pressing column 15, and the protecting layer is made of rubber.

In order to facilitate the installation of the pressure plate 8, in the present embodiment, the pressure plate 8 has an opening, the pressure plate 8 is fixedly disposed on the side baffle 3 through a pressure plate screw 9, and the opening of the pressure plate 8 is matched with the pressure plate screw 9.

Specifically, in the present embodiment, as shown in fig. 2 to 5, the cross beam 13 and the longitudinal beam 16 are both channel steel, and the chassis 1 is made of HT 300.

The working principle is as follows:

firstly, adjusting the inclination angle of a side baffle 3 according to the inclination angle of a side board 1003 to be welded, rotating a rotating shaft 7-2, and adjusting a plurality of supporting platforms 7-1 on one side of a discharge door 100 to drive the side baffle 3 to rotate until the inclination angles of the side baffle 3 and the side board 1003 are consistent; placing the door panel 1001 on the chassis 1, placing one end panel 1002 on the door panel 1001 and attaching the end baffle 2 at one end, placing one side edge panel 1003 on the door panel 1001 and attaching the side baffle 3 at one side, placing the other end panel 1002 on the door panel 1001, moving the end baffle 2 at the other end along the second T-shaped groove 6-3 until the end baffle 2 is attached to the corresponding end panel 1002, placing the other side edge panel 1003 on the door panel 1001, and moving the side baffle 3 at the other side along the fourth T-shaped groove 12-2 until the side baffle 3 is attached to the corresponding side edge panel 1003; and then respectively screwing corresponding pressure plate screws 9 to enable corresponding pressure plates 8 to press the end face plate 1002 and the side edge plate 1003, respectively screwing corresponding pressure screws 11 until the ends of the corresponding pressure screws 11 are pressed above the end face plate 1002 and the side edge plate 1003, then moving the compression column 15 and the positioning clamp 17 along the cross beam 13 to be right above the door plate 1001, then screwing the compression column 15 downwards until the compression column 15 is pressed above the door plate 1001, then sequentially placing reinforcing ribs 1004 into the door plate 1001, and clamping the positioning reinforcing ribs 1004 by using the positioning clamp 17. Therefore, the whole discharging door 100 is compressed and limited in all directions, free displacement is avoided, welding work of parts such as the end plate 1002, the side plate 1003 and the reinforcing ribs 1004 of the discharging door 100 can be carried out, after welding is completed, the welding tool is removed after the whole discharging door 100 is completely cooled, and the discharging door 100 is taken out.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe the spatial relationship of one device or feature to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a discharge door welding frock which characterized in that: the unloading door comprises a chassis (1), two end baffles (2), two side baffles (3) and a plurality of fixed supports (4), wherein one end baffle (2) is arranged on the chassis (1) through a first connecting piece, the other end baffle (2) is arranged on the chassis through a second connecting piece, and the side baffles (3) are arranged on the chassis (1) through a third connecting piece, the two end baffles (2) are respectively attached to end face plates (1002) at two ends of the unloading door (100), the two side baffles (3) are respectively attached to side edge plates (1003) at two sides of the unloading door (100), and the unloading door (100) is enclosed by the end baffles (2) and the side baffles (3); the end baffle (2) and the side baffle (3) are respectively provided with a plurality of pressing plates (8) and a plurality of pressing blocks (10), the pressing plates (8) and the pressing blocks (10) on the side baffle (3) are sequentially arranged along the length direction of the side plate (1003), the side plate (1003) is positioned between the corresponding pressing plates (8) and the side baffle (3), the pressing blocks (10) are in threaded connection with pressing screws (11), and when the pressing screws (11) are screwed down, the end parts of the pressing screws (11) are pressed above the corresponding side plate (1003);

the fixed support (4) is arranged on the chassis (1) through a fourth connecting piece, the fixed support (4) is arranged in sequence along the length direction of the side edge plate (1003), two corresponding to the two sides of the discharging door (100) are arranged between the fixed supports (4), a pressing rod (14) is arranged on the cross beam (13), the pressing rod (14) slides up and down to be provided with a pressing column (15), and the pressing column (15) slides down to be arranged above a door plate (1001) of the discharging door (100).

2. The discharge door welding tool of claim 1, wherein: the welding tool for the discharging door further comprises a longitudinal beam (16) and a plurality of positioning clamps (17), the longitudinal beam (16) is fixedly connected with a pressure rod (14), a plurality of connecting rods (18) are arranged on the longitudinal beam (16) along the length direction of a door panel (1001), the positioning clamps (17) are fixedly connected with the connecting rods (18), magnets (17-3) are arranged between a left chuck (17-1) and a right chuck (17-2) of each positioning clamp (17), and the positioning clamps (17) are used for clamping reinforcing ribs (1004) of the discharging door (100).

3. The discharge door welding tool of claim 2, wherein: the third connecting piece comprises a supporting platform (7-1), the supporting platform (7-1) is rotatably connected with the fixed support (4), the rotating axis of the supporting platform (7-1) faces to the length direction of the side baffle (3), and the side baffle (3) is fixedly connected with the supporting platform (7-1); a sliding sleeve (14-1) is fixedly arranged on the pressure lever (14), the sliding sleeve (14-1) is arranged along the cross beam (13) in a sliding manner, and the cross beam (13) is connected with the fixed support (4) in a sliding manner along the width direction of the discharge door (100); the fourth connecting piece comprises a fourth T-shaped block (12-1), a plurality of fourth T-shaped grooves (12-2) are formed in the chassis (1) in the width direction of the discharging door (100), the fourth T-shaped block (12-1) is arranged in the fourth T-shaped grooves (12-2) in a sliding mode, and the fourth T-shaped block (12-1) is fixedly connected with the fixed support (4).

4. The discharge door welding tool of claim 3, wherein: the supporting platforms (7-1) on one side of the discharging door (100) are rotatably arranged around a rotating shaft (7-2), and the rotating shaft (7-2) is in threaded connection with a locking nut (7-3).

5. The discharge door welding tool of claim 4, wherein: an angle scale (7-4) is arranged on the fixed support (4), and the angle scale (7-4) is used for marking the rotation angle of the rotating shaft (7-2).

6. The discharge door welding tool of claim 3, wherein: the first mounting piece comprises a first T-shaped block, a first T-shaped groove (5-2) is formed in the chassis (1) in the width direction of the discharging door (100), the first T-shaped block is arranged in the first T-shaped groove (5-2) in a sliding mode, and the first T-shaped block is fixedly connected with the corresponding end baffle (2); the second connecting piece comprises a mounting plate (6-1) and a second T-shaped block (6-2), a plurality of second T-shaped grooves (6-3) are formed in the chassis (1) along the length direction of the discharging door (100), the second T-shaped block (6-2) is arranged in the second T-shaped grooves (6-3) in a sliding mode, the second T-shaped block (6-2) is fixedly connected with the mounting plate (6-1), and the corresponding end baffle (2) is fixedly arranged on the mounting plate (6-1).

7. The discharge door welding tool according to any one of claims 1 to 6, wherein: the pressing column (15) is in threaded connection with the pressing rod (14), and an operating rod (15-1) is arranged on the pressing column (15).

8. The discharge door welding tool of claim 7, wherein: the bottom of compressing tightly post (15) is provided with the protective layer, the material of protective layer is rubber.

9. The discharge door welding tool according to any one of claims 1 to 6, wherein: the pressing plate (8) is provided with an opening, the pressing plate (8) is fixedly arranged on the side baffle (3) through a pressing plate screw (9), and the opening of the pressing plate (8) is matched with the pressing plate screw (9).

10. The discharge door welding tool according to any one of claims 1 to 6, wherein: the transverse beam (13) and the longitudinal beam (16) are channel steel, and the chassis (1) is made of HT300 materials.