CN219026411U

CN219026411U - Welding alignment fixture for venturi tube of bag cage

Info

Publication number: CN219026411U
Application number: CN202223432174.4U
Authority: CN
Inventors: 臧立民
Original assignee: Yingkou Chuangshiji Environmental Protection Technology Co ltd
Current assignee: Yingkou Chuangshiji Environmental Protection Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-16
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a welding alignment fixture for a bag cage venturi tube, which comprises a bottom plate, clamping jaws and a mounting box, wherein a supporting frame is arranged on the upper surface of the bottom plate, a first push rod is fixed on the inner wall of a cavity of the supporting frame, an extrusion block is fixed at the output end of the first push rod, a connecting plate is arranged on the side surface of the supporting frame, the clamping jaws are arranged on the surface of the connecting plate, a guide column is fixed on the side surface of the connecting plate, the venturi tube is arranged in the cavity of the clamping jaws, the mounting box is arranged on the surface of the other end of the bottom plate in a penetrating manner, and a rotating column is arranged on the surface of the mounting box. This bag cage venturi welding aligns fixture is provided with extrusion piece and clamping jaw, makes this device pass through the slip of extrusion piece for the extrusion piece passes through the recess extrusion clamping jaw's of side surface, thereby makes the clamping jaw by promote the back slip carry out the centre gripping to the venturi fixedly, and this device of being convenient for is fixed not unidimensional venturi, improves this device's practicality.

Description

Welding alignment fixture for venturi tube of bag cage

Technical Field

The utility model relates to the technical field of bag-type dust collectors, in particular to a welding alignment fixture for a venturi tube of a bag cage.

Background

The conventional bag-and-cage filter bag is widely applied to a bag-type dust collector, in order to ensure that the central line of a nozzle and the central line of a bag cage are on the same straight line and ensure the vertical blowing of gas, a venturi is usually added on the bag cage, and the venturi mainly plays a role in guiding flow to enable the gas to be blown down along the direction of the guiding flow, so that the gas cannot be blown down obliquely to a certain part of the filter bag, and the filter bag is damaged.

The existing welding machine simply welds the venturi on the bag cage, and is generally mastered by experience of workers, and the venturi and the bag cage are aligned and concentric, so that concentricity of the bag cage and the venturi is difficult to ensure, vibration is easy to generate when the existing venturi and the existing bag cage are welded, the venturi and the existing bag cage are deviated, and therefore the welding effect is affected.

Disclosure of Invention

The utility model aims to provide a welding alignment fixture for a bag cage venturi tube, which solves the problems that concentricity of the bag cage and the venturi tube is difficult to ensure and the welding effect is influenced by offset caused by vibration in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fixture is aligned in welding of bag cage venturi, includes bottom plate, clamping jaw and mounting box, the upper surface of bottom plate is provided with the support frame, and the inner wall of support frame cavity is fixed with first push rod to the output of first push rod is fixed with the extrusion piece, the side surface mounting of support frame has the connecting plate, and the surface of connecting plate is provided with the clamping jaw to the side surface mounting of connecting plate has the guide post, be provided with the venturi in the cavity of clamping jaw, the surface through-mounting of the bottom plate other end has the mounting box, and the surface mounting of mounting box has the rotation post to the bottom surface of mounting box cavity is connected with the lead screw, the surface mounting of mounting box has the holding down plate, and the surface of holding down plate is provided with the bag cage, the upper surface of bottom plate is provided with the link, and the upper surface of link is fixed with the second push rod to the output of second push rod is fixed with the top plate.

Preferably, the support frame and the extrusion block form sliding connection, the side surface of the extrusion block is provided with a groove, and the inner wall of the extrusion block groove is of an inclined design.

By adopting the technical scheme, the clamping jaw is extruded by the extrusion block through the grooves on the side surfaces by sliding the extrusion block.

Preferably, one end surface of the clamping jaw, which faces the extrusion block, is of an inclined design, the clamping jaw and the connecting plate form sliding connection, and a spring is connected between the clamping jaw and the connecting plate.

By adopting the technical scheme, the clamping jaw slides relative to the connecting plate and compresses the spring after being extruded.

Preferably, the installation box is connected with the rotating column in a rotating way, the installation box is connected with the screw rod in a rotating way, belt wheels are arranged at the lower ends of the rotating column and the screw rod, and belts are arranged on the belt wheel surfaces of the rotating column and the screw rod.

By adopting the technical scheme, the screw rod is driven to rotate by the rotating column through the belt by rotating the upper end of the rotating column.

Preferably, the screw rod and the lower pressing plate form threaded connection, the lower pressing plate and the installation box form sliding connection, and the surfaces of the lower pressing plate and the upper pressing plate, which are opposite, are arc-shaped.

By adopting the technical scheme, the screw rod rotates and then drives the lower pressing plate to slide relative to the mounting box through threads on the surface.

Preferably, the connecting frame and the upper pressing plate form sliding connection, and the upper pressing plate and the lower pressing plate form clamping connection with the bag cage.

By adopting the technical scheme, the second push rod pushes the upper pressing plate to slide relative to the connecting frame, so that the upper pressing plate and the lower pressing plate are clamped and fixed to the bag cage.

Compared with the prior art, the utility model has the beneficial effects that: the welding alignment fixture for the venturi tube of the bag cage comprises:

1. the extrusion block and the clamping jaw are arranged, so that the device can slide through the extrusion block, the extrusion block can extrude the surface of the clamping jaw through the groove on the side surface, and the clamping jaw can slide after being pushed so as to clamp and fix the venturi, thereby being convenient for fixing the venturi with different sizes and improving the practicability of the device;

2. the screw rod and the lower pressing plate are arranged, so that the device drives the screw rod to rotate through rotating the rotating column, and the screw rod drives the lower pressing plate to slide through threads, so that the height of the lower pressing plate is adjusted, the concentricity accuracy of the bag cage and the venturi tube is improved, and the convenience for adjusting the bag cage is improved;

3. be provided with guide post and second push rod, make this device pass through guide post quick clamping venturi, it is fixed to carry out the block to the bag cage through second push rod promotion top board at the during operation, improves the stability of this device during operation, reduces vibrations and leads to the skew of bag cage and venturi.

Drawings

FIG. 1 is a schematic diagram of the overall front cross-sectional structure of the present utility model;

FIG. 2 is a schematic overall cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of the overall side cross-sectional structure of the present utility model;

fig. 4 is a schematic diagram of a cross-sectional structure of a connection side of a clamping jaw and a connecting plate.

In the figure: 1. a bottom plate; 2. a support frame; 3. a first push rod; 4. extruding a block; 5. a clamping jaw; 6. a connecting plate; 7. a guide post; 8. a venturi; 9. a mounting box; 10. rotating the column; 11. a screw rod; 12. a lower pressing plate; 13. a bag cage; 14. a connecting frame; 15. a second push rod; 16. and (5) an upper pressing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a fixture is aligned in welding of bag cage venturi, including bottom plate 1, support frame 2, first push rod 3, extrusion piece 4, clamping jaw 5, connecting plate 6, guide post 7, venturi 8, mounting box 9, rotate post 10, lead screw 11, holding down plate 12, bag cage 13, link 14, second push rod 15 and top board 16, the upper surface of bottom plate 1 is provided with support frame 2, and the inner wall of support frame 2 cavity is fixed with first push rod 3, and the output of first push rod 3 is fixed with extrusion piece 4, support frame 2 constitutes sliding connection with extrusion piece 4, and the side surface of extrusion piece 4 is provided with the recess, and the inner wall of extrusion piece 4 recess is the slope design, when using this device, at first with venturi 8 suit at the surface of guide post 7, open first push rod 3 afterwards and drive extrusion piece 4 and slide.

The side surface mounting of support frame 2 has connecting plate 6, and the surface of connecting plate 6 is provided with clamping jaw 5, and the side surface mounting of connecting plate 6 has guide post 7, clamping jaw 5 is the slope design towards the one end surface of extrusion piece 4, and clamping jaw 5 constitutes sliding connection with connecting plate 6, and be connected with the spring between clamping jaw 5 and the connecting plate 6, extrusion piece 4 slides the back and extrudees clamping jaw 5 through the recess of side surface, make clamping jaw 5 slide and compress spring after being promoted, thereby make clamping jaw 5 draw close and carry out the centre gripping to venturi 8 fixedly, make this device be applicable to venturi 8 of multiple size.

The venturi tube 8 is arranged in the cavity of the clamping jaw 5, the mounting box 9 is installed on the surface of the other end of the bottom plate 1 in a penetrating mode, the rotating column 10 is installed on the surface of the mounting box 9, the screw rod 11 is connected to the bottom surface of the cavity of the mounting box 9, the mounting box 9 is in rotating connection with the rotating column 10, the mounting box 9 is in rotating connection with the screw rod 11, belt wheels are arranged at the lower ends of the rotating column 10 and the screw rod 11, belts are arranged on the belt wheel surfaces of the rotating column 10 and the belt wheel surfaces of the screw rod 11, when concentricity of the venturi tube 8 and the bag cage 13 is required to be adjusted, the upper end of the rotating column 10 is rotated, and then the screw rod 11 is driven to rotate through the belts, so that the screw rod 11 drives the lower pressure plate 12 to slide through threads.

The surface mounting of mounting box 9 has holding down plate 12, and the surface of holding down plate 12 is provided with bag cage 13, and lead screw 11 constitutes threaded connection with holding down plate 12, and holding down plate 12 constitutes sliding connection with mounting box 9 to the surface that holding down plate 12 and upper plate 16 are the arc design in opposite directions, according to the diameter adjustment holding down plate 12 sliding distance of bag cage 13, and then with bag cage 13 lifting and venturi 8 concentricity.

The upper surface of bottom plate 1 is provided with link 14, and the upper surface of link 14 is fixed with second push rod 15, and the output of second push rod 15 is fixed with top board 16, link 14 and top board 16 constitute sliding connection, and top board 16 and holding down plate 12 constitute the block with bag cage 13 and are connected, open the second push rod 15 at last and drive top board 16 and slide relative link 14, make top board 16 and holding down plate 12 pass through the fixed bag cage 13 of arc surface block in opposite directions, improve the stability of this device during operation.

Working principle: when using this bag cage venturi welding to align fixture, at first with venturi 8 suit at the surface of guide post 7, open first push rod 3 later and drive extrusion piece 4 and slide for extrusion piece 4 promotes clamping jaw 5 through the recess of side surface and slides, make clamping jaw 5 centre gripping fixed venturi 8, it drives lead screw 11 through the belt to rotate the pivoted post 10, make lead screw 11 drive holding down plate 12 through the screw thread and slide, thereby adjust bag cage 13 and venturi 8's concentricity, open second push rod 15 and drive top board 16 and slide, thereby block fixed bag cage 13, the holistic practicality has been increased.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bag cage venturi welding alignment fixture, includes bottom plate (1), clamping jaw (5) and mounting box (9), its characterized in that: the upper surface of bottom plate (1) is provided with support frame (2), and the inner wall of support frame (2) cavity is fixed with first push rod (3), and the output of first push rod (3) is fixed with extrusion piece (4), the side surface mounting of support frame (2) has connecting plate (6), and the surface of connecting plate (6) is provided with clamping jaw (5), and the side surface mounting of connecting plate (6) has guide post (7), be provided with venturi (8) in the cavity of clamping jaw (5), the surface penetration of bottom plate (1) other end installs mounting box (9), and the surface mounting of mounting box (9) has rotation post (10) to the bottom surface of mounting box (9) cavity is connected with lead screw (11), the surface mounting of mounting box (9) has holding down plate (12), and the surface of holding down plate (12) is provided with bag cage (13), the upper surface of bottom plate (1) is provided with link (14), and the upper surface of link (14) is fixed with second push rod (15), and the output of second push rod (15) is fixed with top board (16).

2. A bag and cage venturi welding alignment fixture as in claim 1, wherein: the support frame (2) and the extrusion block (4) form sliding connection, the side surface of the extrusion block (4) is provided with a groove, and the inner wall of the groove of the extrusion block (4) is of an inclined design.

3. A bag and cage venturi welding alignment fixture as in claim 1, wherein: the clamping jaw (5) is inclined towards one end surface of the extrusion block (4), the clamping jaw (5) and the connecting plate (6) form sliding connection, and a spring is connected between the clamping jaw (5) and the connecting plate (6).

4. A bag and cage venturi welding alignment fixture as in claim 1, wherein: the installation box (9) is connected with the rotating column (10) in a rotating way, the installation box (9) is connected with the screw rod (11) in a rotating way, belt wheels are arranged at the lower ends of the rotating column (10) and the screw rod (11), and belts are arranged on the belt wheel surfaces of the rotating column (10) and the screw rod (11).

5. A bag and cage venturi welding alignment fixture as in claim 1, wherein: the screw rod (11) is in threaded connection with the lower pressing plate (12), the lower pressing plate (12) is in sliding connection with the mounting box (9), and the surfaces of the lower pressing plate (12) and the upper pressing plate (16) which are opposite are of arc-shaped design.

6. A bag and cage venturi welding alignment fixture as in claim 1, wherein: the connecting frame (14) and the upper pressing plate (16) form sliding connection, and the upper pressing plate (16) and the lower pressing plate (12) form clamping connection with the bag cage (13).