Clamping plate moving structure of plate heat exchanger and heat exchanger

Abstract

The clamping plate moving structure of the plate heat exchanger comprises a fixing plate, a moving clamping plate and a fixing frame, a connecting beam for connecting the fixing plate and the fixing frame is arranged between the fixing plate and the fixing frame, and the connecting beam comprises an upper connecting beam body and a lower connecting beam body which are vertically arranged at intervals. An upper connecting groove and a lower connecting groove are formed in the upper side and the lower side of the movable clamping plate respectively, the upper connecting beam and the lower connecting beam are connected into the upper connecting groove and the lower connecting groove respectively, rotatable idler wheels are arranged on the left side and the right side of the upper connecting groove respectively, and the idler wheels are matched with the upper connecting beam in a rolling mode. The rollers are arranged on the left side and the right side of the upper connecting beam, are rotationally connected with the movable clamping plate and are in rolling connection with the left side and the right side of the upper connecting beam, so that the height of the movable clamping plate can be reduced, consumables for manufacturing the movable clamping plate are reduced, and the manufacturing cost of the movable clamping plate is reduced; two rollers are arranged on the left and right sides of the upper connecting beam, so that the moving stability of the movable clamping plate can be enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of plate heat exchangers, in particular to a clamping plate moving structure of a plate heat exchanger and a heat exchanger. Background Art

[0002] Plate heat exchanger is a kind of high-efficiency heat exchanger made of a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed between various plates, and heat is exchanged through the plates. Plate heat exchanger is an ideal equipment for liquid-liquid and liquid-steam heat exchange.

[0003] In the prior art, a heat exchange device is disclosed in the patent application number CN202122193769.8. The heat exchange plate is fixedly clamped between a mounting plate and a clamping plate, wherein the clamping plate is movable, and the upper end of the clamping plate is rollingly connected to the mounting rod through a roller. In this structure, since the roller is arranged on the upper side of the mounting rod, the height of the clamping plate is relatively high, which makes the consumables of the clamping plate high, the manufacturing cost is high, and the clamping plate occupies a large space. Summary of the invention

[0004] In view of the problems pointed out in the background technology, the utility model proposes a clamping plate moving structure of a plate heat exchanger and a heat exchanger to solve the above technical problems.

[0005] The technical solution of the utility model is achieved in this way:

[0006] A plate moving structure of a plate heat exchanger comprises a fixed plate, a movable plate, and a fixed frame. A connecting beam connecting the fixed plate and the fixed frame is provided between the fixed plate and the fixed frame. The connecting beam comprises an upper connecting beam and a lower connecting beam spaced apart from each other. An upper connecting groove and a lower connecting groove are provided on the upper and lower sides of the movable plate, respectively. The upper connecting beam and the lower connecting beam are connected to the upper connecting groove and the lower connecting groove, respectively. Rotatable rollers are provided on the left and right sides of the upper connecting groove, respectively. The rollers roll in cooperation with the upper connecting beam.

[0007] The utility model is further configured that the left and right sides of the upper connecting beam are respectively provided with bearing parts, the bearing parts are arranged along the length direction of the connecting beam, and the rollers are rollingly matched with the upper side surfaces of the bearing parts.

[0008] The utility model is further configured that fixed blocks are respectively provided on the left and right sides of the upper connecting groove, and the roller is rotatably connected to the fixed blocks.

[0009] The utility model is further configured that the fixing block is detachably configured.

[0010] The utility model is further configured that the fixing plate is provided with a guide rod, the guide rod is arranged parallel to the upper connecting beam, the fixing plate is provided with a connecting hole connected to the guide rod, and a fastening nut is threadedly connected to the guide rod.

[0011] The utility model is further configured that the lower end of the movable clamping plate is provided with two liquid outlet holes.

[0012] The utility model is further configured that the upper end of the fixing plate is provided with two liquid inlet holes.

[0013] The utility model is further configured that a slide groove is provided on the bearing portion, the slide groove is arranged along the length direction of the upper connecting beam, and the roller is connected to the slide groove.

[0014] The utility model is further configured that the fixed block is connected to the movable clamping plate by screws, the upper side of the movable clamping plate is provided with a threaded hole, the fixed block is provided with a fixing hole corresponding to the threaded hole, and the screws are connected in the threaded hole and the fixing hole.

[0015] A plate heat exchanger comprises heat exchange fins and the above-mentioned clamping plate movable structure, wherein the heat exchange fins are stacked between the movable clamping plate and the fixed plate.

[0016] By adopting the above technical solution, the beneficial effects of the utility model are as follows:

[0017] The plate-type heat exchanger clamp moving structure and heat exchanger provided by the utility model are provided with rollers on the left and right sides of the upper connecting beam, the rollers are rotatably connected to the movable clamp, and the rollers are rollingly connected to the left and right sides of the upper connecting beam, so that the height of the movable clamp can be reduced, the consumables for manufacturing the movable clamp can be reduced, and the manufacturing cost of the movable clamp can be reduced. Moreover, the two rollers on the left and right sides of the upper connecting beam can enhance the stability of the movement of the movable clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 The structure of the utility model is shown in FIG. Figure 1 .

[0020] Figure 2 The structure of the utility model is shown in FIG. Figure 2 .

[0021] Figure 3It is a structural schematic diagram of the movable clamping plate and the upper connecting beam of the utility model.

[0022] Figure 4 It is an exploded schematic diagram of the movable clamping plate and the upper connecting beam of the utility model.

[0023] Description of the numbers in the accompanying drawings: fixed plate 1, movable splint 2, fixed frame 3, upper connecting beam 4, lower connecting beam 5, upper connecting groove 6, lower connecting groove 7, roller 8, bearing part 9, fixed block 10, guide rod 11, liquid inlet hole 12, liquid outlet hole 13, slide groove 14. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] For reference Figure 1-4 The utility model is described as follows:

[0026] Embodiment 1: A plate heat exchanger comprises a fixed plate 1, a movable clamping plate 2, and a fixed frame 3. The fixed plate 1 is a vertically arranged plate structure, the fixed frame 3 is a vertically arranged strip structure, the cross-section of the fixed frame 3 is U-shaped, and the lower ends of the fixed plate 1 and the fixed frame 3 are respectively provided with supporting feet.

[0027] A connecting beam is provided between the fixed plate 1 and the fixed frame 3 to connect the two. The connecting beam includes an upper connecting beam 4 and a lower connecting beam 5 which are arranged at intervals from top to bottom. The upper connecting beam 4 and the lower connecting beam 5 are both arranged horizontally. The cross section of the lower connecting beam 5 is circular. An upper connecting groove 6 and a lower connecting groove 7 are respectively provided in the middle positions of the upper and lower sides of the movable clamping plate 2. The upper connecting beam 4 and the lower connecting beam 5 are respectively connected to the upper connecting groove 6 and the lower connecting groove 7. The movable clamping plate 2 can move between the fixed plate 1 and the fixed frame 3 for position adjustment. A guide rod 11 is provided on the fixed plate 1. The guide rod 11 is arranged parallel to the upper connecting beam 4. A connecting hole connected to the guide rod 11 is provided on the fixed plate 1. A fastening nut 101 is threadedly connected to the guide rod 11. Three guide rods 11 are respectively provided on the left and right sides of the fixed plate 1. The three guide rods 11 on the same side are arranged at intervals in the upper and lower directions. The guide rod 11 plays the role of supporting and guiding the movable clamping plate 2.

[0028] The upper connecting beam 4 is provided with a bearing part 9 on the left and right sides respectively. The bearing part 9 is arranged along the length direction of the connecting beam. The cross-section of the upper connecting beam 4 and the bearing part 9 is an inverted T-shaped structure. The upper connecting groove 6 is provided with a fixing block 10 on the left and right sides respectively. The fixing block 10 is connected to the movable clamping plate 2 by screws. The upper side of the movable clamping plate 2 is provided with a threaded hole. The fixing block 10 is provided with a fixing hole corresponding to the threaded hole. The screw is connected in the threaded hole and the fixing hole. The fixing block 10 is connected with a rotatable roller 8. The roller 8 is rollingly matched with the upper side of the bearing part 9. The bearing part 9 is provided with a slide groove 14. The slide groove 14 is arranged along the length direction of the upper connecting beam 4. The roller 8 is connected to the slide groove 14.

[0029] The lower end of the movable clamping plate 2 is provided with two liquid outlet holes 13. The upper end of the fixed plate 1 is provided with two liquid inlet holes 12. The cold and hot fluids enter from the two liquid inlet holes 12 respectively, and then flow out from the two liquid outlet holes 13 respectively. The movable clamping plate 2 includes a heat exchange plate and the above-mentioned clamping plate moving structure. A plurality of heat exchange plates (not shown in the figure) are stacked between the movable clamping plate 2 and the fixed plate 1, and the cold and hot fluids are heat exchanged after passing through the heat exchange plates.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plate moving structure of a plate heat exchanger, comprising a fixed plate (1), a movable plate (2), and a fixed frame (3), wherein a connecting beam connecting the fixed plate (1) and the fixed frame (3) is provided between the fixed plate (1) and the fixed frame (3), wherein the connecting beam comprises an upper connecting beam (4) and a lower connecting beam (5) which are arranged at an interval from top to bottom, wherein an upper connecting groove (6) and a lower connecting groove (7) are respectively provided on the upper and lower sides of the movable plate (2), wherein the upper connecting beam (4) and the lower connecting beam (5) are respectively connected to the upper connecting groove (6) and the lower connecting groove (7), wherein the structure is characterized in that: Rotatable rollers (8) are respectively provided on the left and right sides of the upper connecting groove (6), and the rollers (8) are in rolling cooperation with the upper connecting beam (4).

2. The plate moving structure of a plate heat exchanger according to claim 1, characterized in that: The upper connecting beam (4) is provided with bearing parts (9) on the left and right sides respectively. The bearing parts (9) are arranged along the length direction of the connecting beam. The rollers (8) are in rolling cooperation with the upper side surfaces of the bearing parts (9).

3. The clamping plate moving structure of a plate heat exchanger according to claim 1, characterized in that: Fixed blocks (10) are respectively provided on the left and right sides of the upper connecting groove (6), and the roller (8) is rotatably connected to the fixed blocks (10).

4. The clamping plate moving structure of a plate heat exchanger according to claim 3, characterized in that: The fixing block (10) is detachably arranged.

5. The clamping plate moving structure of a plate heat exchanger according to claim 1, characterized in that: The fixing plate (1) is provided with a guide rod (11), the guide rod (11) is arranged parallel to the upper connecting beam (4), the fixing plate (1) is provided with a connection hole connected to the guide rod (11), and a fastening nut is threadedly connected to the guide rod (11).

6. The clamping plate moving structure of a plate heat exchanger according to claim 1, characterized in that: The lower end of the movable clamping plate (2) is provided with two liquid outlet holes (13).

7. The clamping plate moving structure of a plate heat exchanger according to claim 1, characterized in that: Two liquid inlet holes (12) are provided at the upper end of the fixing plate (1).

8. The clamping plate moving structure of a plate heat exchanger according to claim 2, characterized in that: The bearing portion (9) is provided with a slide groove (14), the slide groove (14) is arranged along the length direction of the upper connecting beam (4), and the roller (8) is connected to the slide groove (14).

9. The clamping plate moving structure of a plate heat exchanger according to claim 4, characterized in that: The fixing block (10) is connected to the movable clamping plate (2) via screws; a threaded hole is provided on the upper side of the movable clamping plate (2); a fixing hole corresponding to the threaded hole is provided on the fixing block (10); and the screws are connected in the threaded hole and the fixing hole.

10. A plate heat exchanger, comprising a heat exchange fin, characterized in that: It also comprises the clamping plate moving structure as claimed in any one of claims 1 to 9, wherein the heat exchange fins are stacked between the movable clamping plate (2) and the fixed plate (1).

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