CN215845310U

CN215845310U - Pressure vessel tube sheet fixing device that punches a hole

Info

Publication number: CN215845310U
Application number: CN202121744526.2U
Authority: CN
Inventors: 颜兴锋; 张兆滨; 迟晓彬; 汪家方
Original assignee: Changzhou Delian Machinery Co ltd
Current assignee: Changzhou Delian Machinery Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-02-18
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to the technical field of pressure vessel tube plate processing, in particular to a pressure vessel tube plate punching fixing device, which overcomes the defects that a common tube plate fixing device needs manual fixing and can only adapt to a single size, and comprises a support frame, wherein two fixed columns are respectively connected with a clamp rod arranged on the support frame in a bearing way, a horizontally arranged slide rod is welded between two sides of one end of the support frame, which is far away from the fixed columns, two sides of the slide rod are respectively provided with a moving block, one end of the slide rod is welded with a vertically arranged fixed block, the fixed block is connected with a threaded rod parallel to the slide rod in a bearing way, the device is driven by an external power supply, a motor drives the threaded rod to rotate, reverse threads at two ends of the threaded rod enable the two moving blocks to be close to the middle, the clamp rod is embedded into a notch above the moving blocks, thereby realizing automatic clamping of a workpiece, and an outer clamping plate is in a concave arc shape, and the rubber pad is arranged, so that the workpiece with different sizes can be adapted.

Description

Pressure vessel tube sheet fixing device that punches a hole

Technical Field

The utility model relates to the technical field of pressure vessel tube plate processing, in particular to a pressure vessel tube plate punching fixing device.

Background

The tube plate is that holes slightly larger than the outer diameter of the tube are drilled on a round steel plate, and the tube plate is widely applied to the industries of tube type heat exchangers, boilers, pressure vessels, steam turbines, large-scale central air conditioners and the like. The general tube plate punches a hole, relies on the manual work to fix, and can only fix to the board pipe of single size and punch a hole, consequently needs a fixing device that can automatic locking fix, adapt to different sizes.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that a common tube plate fixing device needs manual fixing and can only be suitable for a single size, and provides a punching and fixing device for a tube plate of a pressure vessel.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a punching fixing device for a pressure vessel tube plate comprises a support frame, wherein vertically arranged fixing columns are fixedly arranged on two sides of one end of the support frame, two fixing columns are in bearing connection with clamp rods arranged on the support frame, opposite clamping plates are fixedly arranged on opposite sides between the two clamp rods, connecting rods which are in opposite arrangement are in bearing connection with the inner sides of the ends, close to the fixing columns, of the two clamp rods, and telescopic tubes are connected between the two connecting rods in series;

the supporting frame is characterized in that a horizontally arranged sliding rod is welded between two sides of one end, far away from the fixed column, of the supporting frame, moving blocks are arranged on two sides of the sliding rod, a vertically arranged fixed block is welded on one end of the sliding rod, a bearing of the fixed block is connected with a threaded rod parallel to the sliding rod, a first gear is welded at one end, far away from the fixed block, of the threaded rod, and a motor is fixedly mounted on one side, close to the first gear, of the lower portion of the top of the supporting frame.

Preferably, a T-shaped channel is formed at the joint of the two clamp rods and the connecting rod bearing.

Preferably, the telescopic pipe is two cylindrical pipes which are embedded and sleeved with each other, sliding rails are arranged at the ports of the two cylindrical pipes, sliding grooves matched with the sliding rails of the ports are formed in the pipe walls of the two cylindrical pipes, which are in contact with the sliding rails of the ports, and springs are welded between the two ends of the inside of the telescopic pipe.

Preferably, two the equal bearing connection of one end of anchor clamps pole keeping away from the fixed column has the handle.

Preferably, the two clamping plates are both in a concave cambered surface shape, and a rubber pad is fixedly arranged on the surface of one side, opposite to the two clamping plates, of the two clamping plates.

Preferably, the threaded rod penetrates through the two moving blocks, two opposite sections of threads are arranged at two ends of the threaded rod, and thread grooves matched with the threads on two sides of the surface of the threaded rod are formed in the inner surfaces, in contact with the threaded rod, of the two moving blocks.

Preferably, notches are formed in the upper portions of the two moving blocks, sliding grooves are formed in the lower portions of the two moving blocks, and sliding rails matched with the sliding grooves in the lower portions of the moving blocks are arranged on one side, in contact with the sliding bars, of the sliding bars.

Preferably, the output end of the motor is welded with a second gear meshed with the teeth of the first gear.

The utility model has the beneficial effects that:

this device passes through the external power source drive, and the motor drive threaded rod rotates, and the back-off thread at threaded rod both ends makes two movable blocks draw close to the centre, imbeds the anchor clamps pole in the notch above the movable block, realizes the self-holding to the work piece from this, and splint are concave arc face shape in addition, and install the rubber pad, can adapt to the work piece of size variation from this.

Drawings

Fig. 1 is a schematic structural view of a pressure vessel tube sheet punching fixture according to the present invention from a front perspective;

FIG. 2 is a schematic view of a clamp rod of the pressure vessel tube sheet punching fixing device according to the present invention;

fig. 3 is a schematic structural diagram of a right view angle of a sliding rod of the punching and fixing device for the tube plate of the pressure vessel.

In the figure: 1. a support frame; 2. a clamp rod; 3. a splint; 4. a rubber pad; 5. fixing a column; 6. a connecting rod; 7. a telescopic pipe; 8. a spring; 9. a handle; 10. a slide bar; 11. a moving block; 12. a threaded rod; 13. a fixed block; 14. an electric motor; 15. a first gear; 16. a second gear.

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.

Referring to fig. 1-3, a pressure vessel tube plate punching fixing device comprises a support frame 1, wherein both sides of one end of the support frame 1 are fixedly provided with vertically arranged fixing columns 5, both sides of each fixing column 5 are in bearing connection with clamp rods 2 arranged on the support frame 1, opposite sides between the two clamp rods 2 are fixedly provided with oppositely arranged clamping plates 3, the inner sides of one ends, close to the fixing columns 5, of the two clamp rods 2 are in bearing connection with oppositely arranged connecting rods 6, and a telescopic pipe 7 is connected between the two connecting rods 6 in series;

a sliding rod 10 horizontally arranged is welded between two sides of one end, far away from a fixed column 5, of a support frame 1, moving blocks 11 are arranged on two sides of the sliding rod 10, one end of the sliding rod 10 is welded with a vertically arranged fixed block 13, the fixed block 13 is in bearing connection with a threaded rod 12 parallel to the sliding rod 10, one end, far away from the fixed block 13, of the threaded rod 12 is welded with a first gear 15, and an electric motor 14 is fixedly mounted on one side, close to the first gear 15, below the top of the support frame 1.

In this embodiment, the bearing connection part of the two clamp rods 2 and the connecting rod 6 is provided with a T-shaped channel, and the T-shaped channel can be used for opening and locking the clamp rods 2 to make room.

Firstly, the telescopic pipe 7 is two mutually-nested cylindrical pipes, the ports of the two cylindrical pipes are provided with slide rails, the pipe walls of the two cylindrical pipes, which are in contact with the port slide rails, are provided with slide grooves matched with the port slide rails, a spring 8 is welded between the two ends inside the telescopic pipe 7, the spring 8 is in a normal state, the clamp rod 2 is limited by the matching of the spring 8 and the telescopic pipe 7, and the clamp rod 2 is prevented from deviating from the position.

Wherein, the equal bearing of one end of two anchor clamps pole 2 keeping away from fixed column 5 is connected with handle 9, before the mounting fixture, places anchor clamps pole 2 in movable block 11 both sides through handle 9, can strut anchor clamps pole 2 through movable block 11, puts down the back when the work piece, places anchor clamps pole 2 in the recess of movable block 11 through handle 9, then promotes anchor clamps pole 2 through movable block 11 and presss from both sides tightly the work piece.

Then, two splint 3 are the concave cambered surface shape, and the fixed surface of one side that two splint 3 are relative installs rubber pad 4, and rubber pad 4 can increase the friction, and the supplementary work piece that presss from both sides tightly, and the concave cambered surface shape can more laminate not unidimensional work piece.

The key point is that the threaded rod 12 penetrates through the two moving blocks 11, two reverse threads are arranged at two ends of the threaded rod 12, thread grooves matched with threads on two sides of the surface of the threaded rod 12 are formed in the inner surfaces, in contact with the threaded rod 12, of the two moving blocks 11, and the two moving blocks 11 can be pushed to be close to the middle when the threaded rod 12 rotates through the reverse threads on two sides.

The sliding rail device comprises two moving blocks 11, sliding rails, sliding grooves, sliding rails, sliding blocks and sliding blocks, wherein the notches are formed in the upper portions of the two moving blocks 11, the sliding grooves are formed in the lower portions of the two moving blocks 11, the sliding rails are arranged on one sides of the sliding rails 10, which are in contact with the moving blocks 11, and the sliding rails are matched with the sliding grooves in the lower portions of the moving blocks 11 and used for limiting and supporting the moving blocks 11 through matching of the sliding rails and the sliding grooves.

Finally, the output end of the motor 14 is welded with a second gear 16 engaged with the teeth of the first gear 15, the motor 14 is used as main output power, and the motor 14 can drive the threaded rod 12 to rotate through the matching of the first gear 15 and the second gear 16.

In conclusion, the device is driven by an external power supply, the motor 14 drives the threaded rod 12 to rotate, the two moving blocks 11 are closed towards the middle by the inverse threads at the two ends of the threaded rod 12, the clamp rod 2 is embedded into the notch above the moving blocks 11, automatic clamping of a workpiece is achieved, the clamping plate 3 is in a concave arc shape, and the rubber pad 4 is installed, so that the device can be suitable for workpieces with different sizes.

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 considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A pressure vessel tube plate punching fixing device comprises a support frame (1) and is characterized in that two vertically arranged fixing columns (5) are fixedly mounted on two sides of one end of the support frame (1), two fixing columns (5) are connected with clamp rods (2) arranged on the support frame (1) in a bearing mode, oppositely arranged clamping plates (3) are fixedly mounted on one opposite sides between the two clamp rods (2), connecting rods (6) which are oppositely arranged are connected with the inner sides of the two clamp rods (2) close to one ends of the fixing columns (5) in a bearing mode, and telescopic tubes (7) are connected between the two connecting rods (6) in series;

a sliding rod (10) horizontally arranged is welded between two sides of one end, far away from a fixed column (5), of the support frame (1), moving blocks (11) are arranged on two sides of the sliding rod (10), a vertically arranged fixed block (13) is welded to one end of the sliding rod (10), a threaded rod (12) parallel to the sliding rod (10) is in bearing connection with the fixed block (13), a first gear (15) is welded to one end, far away from the fixed block (13), of the threaded rod (12), and an electric motor (14) is fixedly mounted on one side, close to the first gear (15), below the top of the support frame (1).

2. The punching and fixing device for the tube plate of the pressure vessel as claimed in claim 1, wherein a T-shaped channel is formed at the bearing connection part of the two clamp rods (2) and the connecting rod (6).

3. The punching and fixing device for the tube plate of the pressure vessel as claimed in claim 1, wherein the telescopic tube (7) is two cylindrical tubes embedded with each other, the ports of the two cylindrical tubes are provided with slide rails, the tube walls of the two cylindrical tubes contacting with the slide rails of the ports are provided with slide grooves matched with the slide rails of the ports, and the spring (8) is welded between the two ends inside the telescopic tube (7).

4. The punching and fixing device for the tube plate of the pressure vessel is characterized in that a handle (9) is connected to one end of each clamp rod (2) far away from the fixing column (5) in a bearing mode.

5. The punching and fixing device for the tube plate of the pressure vessel as claimed in claim 1, wherein both the clamping plates (3) are concave arc surfaces, and a rubber pad (4) is fixedly arranged on the surface of one side of each clamping plate (3) opposite to the other side.

6. The pressure vessel tube plate punching fixing device as claimed in claim 1, wherein the threaded rod (12) penetrates through the two moving blocks (11), two opposite threads are arranged at two ends of the threaded rod (12), and thread grooves matched with the threads on two sides of the surface of the threaded rod (12) are arranged on the inner surfaces of the two moving blocks (11) contacted with the threaded rod (12).

7. The device for fixing the punched hole of the tube plate of the pressure vessel as claimed in claim 1, wherein the two moving blocks (11) are provided with notches at the upper parts thereof, the two moving blocks (11) are provided with sliding grooves at the lower parts thereof, and the sliding rod (10) is provided with a sliding rail matched with the sliding grooves at the lower parts of the moving blocks (11) at the side contacted with the moving blocks (11).

8. The pressure vessel tube sheet punching fixture according to claim 1, characterized in that the output end of said motor (14) is welded with a second gear (16) meshing with the teeth of the first gear (15).