CN218925905U

CN218925905U - Heat exchanger tube sheet frock of punching

Info

Publication number: CN218925905U
Application number: CN202223256453.XU
Authority: CN
Inventors: 周建平
Original assignee: Henan Yida Heat Exchanger Equipment Co ltd
Current assignee: Henan Yida Heat Exchanger Equipment Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-28
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a heat exchanger tube plate punching tool which comprises a tool base, a transmission box and a hole rotating device, wherein the transmission box is fixedly connected to the rear side of the top of the tool base, the hole rotating device is arranged at the bottom of the transmission box and is in transmission connection with the transmission box, a mounting groove is formed in the tool base, a transmission mechanism is movably embedded in the mounting groove, a placing plate is fixedly connected to the top of the tool base, four placing plates are distributed at equal intervals, and a pressing rod is movably embedded in the placing plate. According to the utility model, the lower pressing block is arranged, so that the lower pressing block can press down the tube plate on the placing plate, the phenomenon that the tube plate shakes in the punching process is solved, the through holes are deviated after the shifted tube plate is punched, the quality of the tube plate in punching is affected, and the positioning and clamping advantages are realized.

Description

Heat exchanger tube sheet frock of punching

Technical Field

The utility model relates to the technical field of punching, in particular to a heat exchanger tube plate punching tool.

Background

The fixed tube plate type heat exchanger is a tube shell type heat exchanger in which tube plates at two ends of a tube bundle are fixedly connected with a shell by adopting a welding method. The tube plate and the shell can also be used as flange after being welded, and the flange of the tube box is connected with the flange of the tube box by bolts. The heat exchanger has the advantages of simple structure and minimum inner diameter of the shell required under the condition of ensuring equal heat transfer surfaces. The defects are that when the temperature difference between the shell side and the tube side medium is large, larger thermal stress is generated, so that the joint of the tube and the tube plate is pulled off and broken to generate leakage or instability of the tube, and the like, and meanwhile, the maintenance and the shell side cleaning are inconvenient, and the device is widely applied in general occasions and limited by the temperature difference.

For example, application number CN201720689990.3 discloses a tube sheet for a heat exchanger, comprising a metal plate; a plurality of metal sleeves are uniformly distributed on the metal plate; each metal sleeve is perpendicular to the metal plate and penetrates through the metal plate; each metal sleeve is integrally connected with the metal plate; the metal plate is provided with a pair of polyphenylene sulfide plates which are parallel to the metal plate and are respectively arranged at two sides of the metal plate; the pair of polyphenylene sulfide plates are respectively attached to the two side surfaces of the metal plate, and the pair of polyphenylene sulfide plates respectively cover the two side surfaces of the metal plate; each metal sleeve penetrates through the pair of polyphenylene sulfide plates respectively; the inner wall of each metal sleeve is provided with an internal thread. The tube plate for the heat exchanger has reasonable structure, convenient use and certain corrosion resistance.

Based on the search of the above patent and the discovery of the device in combination with the prior art, the above device can solve the problem that the metal plate is easy to corrode although the tube plate is generally made of metal plate when in use, but the tube plate can shake during the punching process, and the offset of the through hole can occur after the shifted tube plate is punched, thereby influencing the quality of the tube plate during punching.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a heat exchanger tube plate punching tool, which has the advantages of positioning and clamping, and solves the problem that the tube plate can shake in the punching process, and the offset of a through hole can occur after the shifted tube plate is punched, so that the quality of the tube plate during punching is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat exchanger tube sheet frock of punching, includes frock base, transmission case and commentaries on classics hole device, transmission case fixed connection is at the rear side at frock base top, it sets up the bottom at the transmission case to change the hole device, it is connected with the transmission case transmission to change the hole device, the mounting groove has been seted up to frock base's inside, the inside activity of mounting groove is inlayed and is had drive mechanism, frock base's top fixedly connected with places the board, place the board and be four and be the equidistance and distribute, place the inside activity of board and inlay and have down the depression bar, the top fixedly connected with down the briquetting of depression bar, the bottom of depression bar runs through to the inside and the mounting groove swing joint of mounting groove down.

As the preferable mode of the utility model, the transmission mechanism comprises a motor, the output end of the motor is fixedly connected with a screw rod, the surface of the screw rod is in threaded connection with a screw sleeve, four corners of the surface of the screw sleeve are fixedly connected with transmission rods, and the bottom of the lower pressure rod penetrates into the mounting groove and is fixedly connected with the transmission rods.

As the preferable mode of the utility model, four corners of the top of the mounting groove are respectively provided with a limiting groove, the top of the limiting groove extends to the top of the placing plate, the outer side of the pressing rod is fixedly connected with a limiting plate, and the limiting plate is in sliding connection with the limiting groove.

As the preferable mode of the utility model, four corners of the bottom of the inner wall of the mounting groove are fixedly connected with limit sleeves, and the limit sleeves are movably connected with the pressing rod.

As the preferable mode of the utility model, the top of the inner wall of the installation groove is movably embedded with the round table block, and the top of the screw rod is fixedly connected with the bottom of the round table block.

As the preferable mode of the utility model, the bottom of the lower pressing block is fixedly connected with the adsorption disc, the bottom of the lower pressing block is fixedly connected with the laminating ring, and the laminating ring is movably connected with the adsorption disc.

As the preferable mode of the utility model, the bottom of the lower pressure rod is fixedly connected with a buffer cushion, and the bottom of the buffer cushion is movably connected with the bottom of the inner wall of the mounting groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the lower pressing block is arranged, so that the lower pressing block can press down the tube plate on the placing plate, the phenomenon that the tube plate shakes in the punching process is solved, the through holes are deviated after the shifted tube plate is punched, the quality of the tube plate in punching is affected, and the positioning and clamping advantages are realized.

2. According to the utility model, the transmission mechanism is arranged, so that the motor can drive the screw to rotate after being started, the screw can be driven to move downwards after being rotated, the screw sleeve can drive the transmission rod to move downwards, the transmission rod can drive the lower pressing rod to move downwards, the lower pressing rod can drive the lower pressing block to position and press down the tube plate on the placing plate, and the limit groove and the limit plate are arranged, so that the limit groove and the limit plate can limit the lower pressing rod when being matched for use, and the phenomenon of shaking of the lower pressing rod during movement is avoided.

3. According to the utility model, the limit sleeve is arranged, so that the phenomenon that the lower pressure rod shakes when the lower pressure block presses down the pipe plate can be avoided, the stability of the lower pressure rod is ensured, and the round table block is arranged, so that the screw can be limited by using the round table block, the phenomenon that the screw shakes when rotating is avoided, and the use stability of the screw is ensured.

Drawings

FIG. 1 is a schematic view of a three-dimensional cross-sectional structure of the present utility model;

FIG. 2 is a schematic view of a front view in cross section;

fig. 3 is a schematic perspective view of a transmission mechanism of the present utility model.

In the figure: 1. a tooling base; 2. a transmission case; 3. a hole turning device; 4. a mounting groove; 5. a transmission mechanism; 51. a motor; 52. a screw; 53. a screw sleeve; 54. a transmission rod; 6. placing a plate; 7. pressing down a rod; 8. pressing the block; 9. a limit groove; 10. a limiting plate; 11. a limit sleeve; 12. round table blocks; 13. an adsorption plate; 14. a laminating ring; 15. and a cushion pad.

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.

As shown in fig. 1 to 3, the heat exchanger tube plate punching tool provided by the utility model comprises a tool base 1, a transmission case 2 and a hole rotating device 3, wherein the transmission case 2 is fixedly connected to the rear side of the top of the tool base 1, the hole rotating device 3 is arranged at the bottom of the transmission case 2, the hole rotating device 3 is in transmission connection with the transmission case 2, a mounting groove 4 is formed in the tool base 1, a transmission mechanism 5 is movably inlaid in the mounting groove 4, a placing plate 6 is fixedly connected to the top of the tool base 1, the placing plates 6 are four and distributed at equal intervals, a pressing rod 7 is movably inlaid in the placing plate 6, a pressing block 8 is fixedly connected to the top of the pressing rod 7, and the bottom of the pressing rod 7 penetrates into the mounting groove 4 and is movably connected with the mounting groove 4.

Referring to fig. 3, the transmission mechanism 5 includes a motor 51, an output end of the motor 51 is fixedly connected with a screw 52, a threaded sleeve 53 is screwed on the surface of the screw 52, transmission rods 54 are fixedly connected to four corners of the surface of the threaded sleeve 53, and the bottom of the pressing rod 7 penetrates into the mounting groove 4 and is fixedly connected with the transmission rods 54.

As a technical optimization scheme of the utility model, by arranging the transmission mechanism 5, the motor 51 can drive the screw rod 52 to rotate after being started, and the screw rod 52 can be driven to move downwards after the screw rod 52 rotates, so that the screw sleeve 53 can drive the transmission rod 54 to move downwards, and the transmission rod 54 can drive the pressing rod 7 to move downwards, so that the pressing rod 7 can drive the pressing block 8 to position and press down the tube plate on the placing plate 6.

Referring to fig. 2, four corners at the top of the mounting groove 4 are provided with limiting grooves 9, the top of the limiting grooves 9 extends to the top of the placing plate 6, a limiting plate 10 is fixedly connected to the outer side of the lower pressing rod 7, and the limiting plate 10 is slidably connected with the limiting grooves 9.

As a technical optimization scheme of the utility model, through the arrangement of the limiting groove 9 and the limiting plate 10, the lower pressure rod 7 can be limited by the cooperation of the limiting groove 9 and the limiting plate 10, and the phenomenon that the lower pressure rod 7 shakes during movement is avoided.

Referring to fig. 1, four corners of the bottom of the inner wall of the mounting groove 4 are fixedly connected with a limit sleeve 11, and the limit sleeve 11 is movably connected with the pressing rod 7.

As a technical optimization scheme of the utility model, through the arrangement of the limit sleeve 11, the use of the limit sleeve 11 can avoid the phenomenon that the lower pressure rod 7 shakes when the lower pressure block 8 presses down the pipe plate, and ensure the stability of the lower pressure rod 7.

Referring to fig. 3, the top of the inner wall of the installation groove 4 is movably embedded with a round table block 12, and the top of a screw 52 is fixedly connected with the bottom of the round table block 12.

As a technical optimization scheme of the utility model, the circular truncated cone blocks 12 are arranged, so that the use of the circular truncated cone blocks 12 can limit the screw 52, the phenomenon that the screw 52 shakes during rotation is avoided, and the use stability of the screw 52 is ensured.

Referring to fig. 2, the bottom of the lower pressing block 8 is fixedly connected with an adsorption disc 13, the bottom of the lower pressing block 8 is fixedly connected with a laminating ring 14, and the laminating ring 14 is movably connected with the adsorption disc 13.

As a technical optimization scheme of the utility model, the adsorption disc 13 and the attaching ring 14 are arranged, so that the use of the adsorption disc 13 can assist in carrying out auxiliary adsorption on the pipe plate, and thus the auxiliary positioning is carried out, and meanwhile, the use of the attaching ring 14 can assist in carrying out auxiliary pressing down on the adsorption disc 13 in the process of adsorbing the pipe plate, so that the adsorption disc 13 can be stably adsorbed on the surface of the pipe plate.

Referring to fig. 3, the bottom of the pressing rod 7 is fixedly connected with a buffer pad 15, and the bottom of the buffer pad 15 is movably connected with the bottom of the inner wall of the mounting groove 4.

As a technical optimization scheme of the utility model, through the arrangement of the buffer pad 15, the use of the buffer pad 15 can protect the pressing rod 7 when the pressing rod 7 moves downwards, so that the pressing rod 7 is prevented from directly contacting with the inner wall of the mounting groove 4 when moving downwards, and meanwhile, the use of the buffer pad 15 can reduce the movable gap between the pressing rod 7 and the inner wall of the mounting groove 4.

The working principle and the using flow of the utility model are as follows: when the tube plate positioning device is used, the tube plate is firstly placed on the placement plate 6, then the motor 51 is started, the screw rod 52 can be driven to rotate after the motor 51 is started, the screw sleeve 53 can be driven to move downwards after the screw rod 52 rotates, the screw sleeve 53 can be driven to move downwards by the driving rod 54, the driving rod 54 is driven to move downwards by the driving rod 7 after moving downwards, the pressing rod 8 is driven to move downwards by the driving rod 7 after moving downwards, the tube plate on the placement plate 6 can be positioned and pressed downwards after the pressing rod 8 moves downwards, the effect of positioning and clamping is achieved, meanwhile, the adsorption disc 13 on the pressing rod 8 can assist in adsorbing the tube plate, and the limiting sleeve 11 can not shake in the downward moving process of the pressing rod 7.

To sum up: this frock is punched to heat exchanger tube sheet through setting up down briquetting 8, makes down briquetting 8 can push down the tube sheet of placing on the board, has solved the phenomenon that the tube sheet can appear rocking at the in-process that punches, will make the through-hole appear the deviation after the tube sheet after the displacement punches to influence the problem of the quality when tube sheet punches.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 heat exchanger tube sheet frock of punching, includes frock base (1), transmission case (2) and commentaries on classics hole device (3), its characterized in that: the utility model discloses a transmission case (2) fixed connection is at the rear side at frock base (1) top, change hole device (3) and set up the bottom at transmission case (2), change hole device (3) and transmission case (2) transmission and be connected, mounting groove (4) have been seted up to the inside of frock base (1), the inside activity of mounting groove (4) is inlayed and is had drive mechanism (5), the top fixedly connected with of frock base (1) places board (6), place board (6) and be the equidistance and distribute, the inside activity of placing board (6) is inlayed and is had depression bar (7), the top fixedly connected with of depression bar (7) is briquetting (8) down, the bottom of depression bar (7) is run through to the inside of mounting groove (4) and mounting groove (4) swing joint.

2. The heat exchanger tube sheet punching tool as set forth in claim 1, wherein: the transmission mechanism (5) comprises a motor (51), the output end of the motor (51) is fixedly connected with a screw rod (52), a threaded sleeve (53) is connected to the surface of the screw rod (52) in a threaded mode, transmission rods (54) are fixedly connected to four corners of the surface of the threaded sleeve (53), and the bottom of the pressing rod (7) penetrates through the mounting groove (4) and is fixedly connected with the transmission rods (54).

3. The heat exchanger tube sheet punching tool as set forth in claim 1, wherein: limiting grooves (9) are formed in four corners of the top of the mounting groove (4), the top of each limiting groove (9) extends to the top of the corresponding placing plate (6), a limiting plate (10) is fixedly connected to the outer side of each lower pressing rod (7), and the limiting plates (10) are slidably connected with the limiting grooves (9).

4. The heat exchanger tube sheet punching tool as set forth in claim 1, wherein: four corners of the bottom of the inner wall of the mounting groove (4) are fixedly connected with limiting sleeves (11), and the limiting sleeves (11) are movably connected with the lower pressure rods (7).

5. The heat exchanger tube sheet punching tool as set forth in claim 2, wherein: the top of the inner wall of the mounting groove (4) is movably embedded with a round platform block (12), and the top of the screw (52) is fixedly connected with the bottom of the round platform block (12).

6. The heat exchanger tube sheet punching tool as set forth in claim 1, wherein: the bottom fixedly connected with adsorption disc (13) of briquetting down (8), the bottom fixedly connected with laminating ring (14) of briquetting down (8), laminating ring (14) and adsorption disc (13) swing joint.

7. The heat exchanger tube sheet punching tool as set forth in claim 1, wherein: the bottom of the lower pressure rod (7) is fixedly connected with a buffer pad (15), and the bottom of the buffer pad (15) is movably connected with the bottom of the inner wall of the mounting groove (4).