CN209206926U - Full-liquid type heat exchanger end cap production line - Google Patents

Abstract

The utility model discloses a production line for an end cover of a flooded heat exchanger, which belongs to the technical field of heat exchanger processing equipment and comprises a cutting and blanking station, a stamping and forming station and a drilling station arranged in sequence, and a cutting and blanking station The station is equipped with a plasma cutting machine, the stamping station is equipped with a press, and the drilling station is equipped with a drilling device; the end of the slider of the press is provided with a punch or die that matches the shape of the heat exchanger end cover ; The drilling device includes a workbench, a clamp body for positioning the heat exchanger end cover and a drill bit driven by a power component. The plasma cutting machine is used for cutting and blanking, and the press is used for stamping and forming. At the drilling station, the clamp body is used to position the end cover of the flooded heat exchanger, and the drill bit is driven to complete the drilling process. The utility model simplifies the processing technology of the end cover of the flooded heat exchanger, improves the processing efficiency, reduces labor costs and waste of resources, and is beneficial to reduce production costs and improve economic benefits.

Description

Flooded heat exchanger end cover production line

technical field

The utility model belongs to the technical field of heat exchanger processing equipment, in particular to a production line for an end cover of a flooded heat exchanger.

Background technique

The end cover of the flooded heat exchanger is one of the main parts of the heat exchanger. As shown in Figure 5 and 6, the end cover of the flooded heat exchanger is a spherical crown, and the annular flange on its edge is connected with the heat exchanger The housing is connected, so it is necessary to process mounting holes on the edge of the end cover of the flooded heat exchanger. At present, the processing method of the end cover of the flooded heat exchanger is relatively cumbersome. The pre-forged head also needs to purchase flanges and weld the flanges around the elliptical head. The material and labor costs are high, and resources are wasted. The phenomenon is serious; at the same time, the welding quality also depends on the technical proficiency of the operator. The working efficiency of this processing technology is low, and the labor intensity of the operator is high, so it is not suitable for the demand of mass production.

Utility model content

The purpose of this utility model is to provide a production line for the end cover of the flooded heat exchanger, which aims to solve the problem of high labor intensity, low work efficiency, and high cost of materials and labor in the processing technology of the end cover of the flooded heat exchanger in the prior art. , Technical problems of waste of resources.

In order to solve the problems of the technologies described above, the technical solution adopted by the utility model is:

A production line for an end cover of a flooded heat exchanger, comprising a cutting and blanking station, a stamping and forming station and a drilling station arranged in sequence, the cutting and blanking station is provided with a plasma cutting machine, and the stamping and forming station The drilling station is provided with a press, and the drilling station is provided with a drilling device; the end of the slider of the press is provided with a punch or die matching the shape of the heat exchanger end cover; the drilling device Consists of a table, a clamp body for positioning the heat exchanger end cap and a drill bit driven by a power unit.

Preferably, the clamp body includes a base, a pressing rod and a limit block, the base is set on the workbench, the lower end of the pressing rod is provided with a pressing cap matching the upper surface of the heat exchanger end cover, and the A drill bushing matched with the drill bit is provided around the pressure cap; the pressure rod and the pressure cap are arranged directly above the base, and the limit blocks are at least three and evenly distributed on the base. The inner side is in contact with the peripheral edge of the end cover of the heat exchanger; the pressing rod is set on the workbench through the lifting mechanism.

Preferably, the lifting mechanism includes a frame and a crossbeam, one end of the crossbeam is slidably matched with the slideway on the side of the frame through a slider, the other end of the pressure rod vertically passes through the crossbeam, and the pressure rod is threaded with the crossbeam Cooperate, the top of described pressing rod is provided with hand wheel.

Preferably, the base is provided with an electromagnet for absorbing the end cover of the heat exchanger, the bottom of the base is provided with a rotating shaft, and the rotating shaft is driven to rotate by a motor; groove, the middle part of the groove is provided with a through hole matched with the rotating shaft; the motor is arranged under the workbench.

Preferably, a buffer pad is provided on the inner surface of the pressure cap.

Preferably, a conveyor belt for transferring the end cover of the heat exchanger is provided between the cutting and blanking station and the stamping station, and between the stamping station and the drilling station.

Preferably, the press is a hydraulic punch.

The beneficial effects produced by adopting the above-mentioned technical solution are: compared with the prior art, the utility model uses a plasma cutting machine for cutting and blanking, a press for stamping and forming, and a clamp body for the full-fluid replacement at the drilling station. The end cover of the heat exchanger is positioned, and the drill bit is driven to complete the drilling of the mounting holes around the end cover of the flooded heat exchanger. The utility model simplifies the processing technology of the end cover of the flooded heat exchanger, improves the processing efficiency, reduces labor costs and waste of resources, is beneficial to reduce production costs, and improves economic benefits, and is especially suitable for mass production.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is a process flow diagram of the utility model;

Fig. 2 is the structural representation of drilling device in the utility model;

Fig. 3 is the left view of Fig. 2;

Fig. 4 is the A-A sectional view of pressure bar among Fig. 3;

Fig. 5 is a schematic structural view of the end cover of the flooded heat exchanger;

Figure 6 is a top view of Figure 5;

In the figure: 1-worktable, 2-end cover of heat exchanger, 3-drill bit, 4-drill pipe, 5-base, 6-pressure rod, 7-limiting block, 8-pressure cap, 9-frame, 10-beam, 11-slider, 12-slide, 13-handwheel, 14-drill sleeve; 15-installation hole.

Detailed ways

Below in conjunction with the accompanying drawings in the utility model embodiment, the technical solution in the utility model embodiment is clearly and completely described, obviously, the described embodiment is only a part of the utility model embodiment, rather than all implementation example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

A production line for an end cover of a flooded heat exchanger, comprising a cutting and blanking station, a stamping and forming station and a drilling station arranged in sequence, the cutting and blanking station is provided with a plasma cutting machine, and the The size of the material is more accurate, and there is no need to reserve a machining allowance; the stamping station is equipped with a press, which is convenient and quick to stamp and form at one time; the drilling station is equipped with a drilling device to realize the drilling of the installation hole Processing: Plasma cutting and blanking, press stamping and drilling at the cutting and blanking station, stamping and forming station and drilling station in sequence, as shown in Figure 1, the processing of the end cover of the flooded heat exchanger is completed , improving production efficiency. Wherein, the end of the slider of the press is provided with a punch or a die that matches the shape of the end cover of the heat exchanger, which can be punched and formed at one time; the drilling device includes a workbench 1 for The clamp body positioned by the end cover 2 and the drill bit 3 driven by the power part, as shown in Figures 2 and 3, after the heat exchanger end cover is positioned by the clamp body, the drill bit is driven to drill holes, and finally the finished heat exchanger end cover is obtained .

As a preferred structure, as shown in Figure 2-4, the clamp body includes a base 5, a pressure rod 6 and a limit block 7, the base 5 is arranged on the workbench 1, and the lower end of the pressure rod 6 is provided with a The pressure cap 8 matching the upper surface of the heat exchanger end cover 2, the surrounding of the pressure cap 8 is provided with a drill sleeve 14 matched with the drill bit 3, and the through holes around the pressure cap are protected by means of the drill sleeve to ensure that the installation hole is secure. Drilling accuracy: the pressure rod 6 and the pressure cap 8 are arranged directly above the base 5, and the limit blocks 7 are at least three and are evenly distributed on the base 5. The inside of the limit block 7 and the The surrounding edges of the heat exchanger end cover 2 are in contact; the pressure rod 6 is set on the workbench 1 through a lifting mechanism. Place the end cover of the heat exchanger on the base of the workbench, use the limit block to limit the surrounding of the end cover of the heat exchanger, and fix the end cover of the heat exchanger on the base through the pressure cap; the power part for driving the drill bit is the motor , Start the motor to drive the drill to rotate to realize the drilling of the mounting hole.

In a specific embodiment of the present utility model, the lifting mechanism includes a frame 9 and a crossbeam 10, one end of the crossbeam 10 is slidably matched with a slideway 12 on the side of the frame 9 through a slider 11, and the pressing bar 6 vertically runs through the other end of the crossbeam 10, the pressure rod 6 is screwed with the crossbeam 10, and the top of the pressure rod 6 is provided with a hand wheel 13. By turning the handwheel, the pressure cap can be driven down to press the end cover of the heat exchanger, avoiding the displacement of the end cover of the heat exchanger during the drilling process, and ensuring the drilling quality.

To further optimize the above technical solution, the base 5 is provided with an electromagnet for absorbing the heat exchanger end cover 2, the bottom of the base 5 is provided with a rotating shaft, and the rotating shaft is driven to rotate by a motor; There is a groove matching the base 5, and a through hole matching the rotating shaft is provided in the middle of the groove; the motor is arranged under the workbench. When a mounting hole is drilled, the pressure cap rises, the motor drives the base to rotate at a certain angle, and the next mounting hole is drilled; during the rotation of the heat exchanger end cover, the end cover of the heat exchanger is attracted by the electromagnet. The cover can be firmly adsorbed on the base to ensure the processing accuracy of the mounting hole.

In order to prevent the pressure cap from impacting the end cover of the heat exchanger during the pressing down process, a buffer pad is provided on the inner surface of the pressure cap 8 .

To further optimize the production process, a conveyor belt for transferring the end cover of the heat exchanger is provided between the cutting and blanking station and the stamping and forming station, and between the stamping and forming station and the drilling station. The transportation of the heat exchanger end cover among the various processes is realized through the conveyor belt, which reduces the consumption of manpower and material resources and further improves the work efficiency.

Wherein, the press is a hydraulic punch. The hydraulic punching machine realizes automation and intelligent control, can quickly blank, and has a hydraulic forming with good pressing effect; it can realize human-computer interaction through touch screen technology, and the operation is more convenient and quick.

The utility model has the advantages of compact technological process and simple and convenient operation. The plasma cutting machine is used to cut and blank the material, the blanking size is accurate, and the raw material is saved; the hydraulic punching machine is used for one-time stamping and forming, which improves the production efficiency; at the drilling station, the The end cover of the heat exchanger to be processed is placed on the base, and after the limit block and the pressure cap are used to limit and fix it, the motor above the drill is started to drive the drill to drill the end cover of the heat exchanger, and at the same time, it is realized by the rotation of the base. Drill the multiple mounting holes on the heat exchanger end cover one by one. In addition, after the workpiece is unloaded at the cutting and unloading station, it is transported to the punching and forming station and the drilling station by means of a conveyor belt, reducing the turnaround time. Utilizing the utility model can reduce labor cost and material cost, thereby reducing production cost; meanwhile, it also reduces labor intensity of operators, improves production efficiency, and satisfies the demand of mass production.

In the above description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways that are different from those described here, and those skilled in the art can Under the circumstances, similar promotion is done, so the utility model is not limited by the specific embodiments disclosed above.

Claims (7)

1. A production line for flooded heat exchanger end caps, characterized in that: it includes a cutting and blanking station, a stamping forming station and a drilling station arranged in sequence, and the cutting and blanking station is provided with a plasma cutting machine , the stamping forming station is provided with a press, and the drilling station is provided with a drilling device; the end of the slider of the press is provided with a punch or a die that matches the shape of the heat exchanger end cover ; The drilling device includes a workbench, a clamp body for positioning the heat exchanger end cover and a drill bit driven by a power component. 2. The end cover production line of flooded heat exchanger according to claim 1, characterized in that: the clamp body includes a base, a pressing bar and a limit block, the base is set on the workbench, and the pressing bar The lower end of the lower end is provided with a pressure cap matching the upper surface of the heat exchanger end cover, and the surrounding of the pressure cap is provided with a drill sleeve matched with the drill bit; the pressure rod and the pressure cap are arranged directly above the base, and the limit There are at least three blocks, which are evenly distributed on the base, and the inner side of the limit block is in contact with the peripheral edge of the end cover of the heat exchanger; the pressing rod is set on the workbench through a lifting mechanism. 3. The end cover production line of flooded heat exchanger according to claim 2, characterized in that: the lifting mechanism includes a frame and a beam, and one end of the beam slides with a slide on the side of the frame through a slider Cooperate, the said pressing bar vertically runs through the other end of the beam, the said pressing bar is threadedly matched with the beam, and the top of said pressing bar is provided with a hand wheel. 4. The end cover production line of flooded heat exchanger according to claim 2, characterized in that: the base is provided with an electromagnet for absorbing the end cover of the heat exchanger, and the bottom of the base is provided with a rotating shaft, so that The rotating shaft is driven by a motor to rotate; the workbench is provided with a groove matching the base, and the middle part of the groove is provided with a through hole matching with the rotating shaft; the motor is arranged below the workbench. 5. The end cap production line for flooded heat exchangers according to claim 2, wherein a buffer pad is provided on the inner surface of the pressure cap. 6. The production line for flooded heat exchanger end caps according to claim 1, characterized in that: the cutting and blanking station and the stamping and forming station, and between the stamping and forming station and the drilling station are equipped with Conveyor belt for transferring heat exchanger end caps. 7. The production line for flooded heat exchanger end caps according to any one of claims 1-6, wherein the press is a hydraulic punch.