Protective type heat exchanger shell grinding device

Abstract

The utility model discloses a protective type heat exchanger shell polishing device, and relates to the field of polishing devices, the protective type heat exchanger shell polishing device comprises a base, the upper surface of the base is fixedly connected with a supporting plate, the inner wall of the supporting plate is rotatably connected with an electric driving shaft, and the surface of the electric driving shaft is fixedly connected with a positioning cylinder; and the inner wall of the positioning cylinder is slidably connected with an extruding and grinding mechanism. According to the polishing device, the lead screw is rotated, the sliding block is pushed to slide in the guide cylinder, and then the position of the contact shaft is adjusted, so that the contact shaft extrudes the surface of polishing abrasive paper, one side of the polishing abrasive paper makes contact with the surface of a shell, polishing stability is ensured, and in the polishing process, the driven wheel drives the winding shaft to rotate, and the polishing abrasive paper is conveyed and wound; and the grinding abrasive paper is continuously conveyed, when the shell is clamped, the multiple pairs of first anti-skid sleeves and second anti-skid sleeves rub and extrude the surface of an object by rotating the screw rod, and clamping stability is kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to a polishing device field, especially in a protective type heat exchanger shell polishing device. BACKGROUND

[0002] The main role of the polishing device is to process and polish the surface of various materials, eliminate surface burrs, reduce surface roughness, and improve the smoothness and flatness of the material surface. Specifically, the polishing device can change the shape and size of the material surface to meet different precision requirements.

[0003] When polishing the shell of the exchanger, sandpaper is needed, but the sandpaper at the same position will lose the polishing effect after a long time of polishing, and the sandpaper needs to be manually replaced frequently, which is very troublesome. To solve the above problems, a protective type heat exchanger shell polishing device is needed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a protective type heat exchanger shell polishing device to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a protective type heat exchanger shell polishing device, comprising a base, the upper surface of the base is fixedly connected with a supporting plate, the inner wall of the supporting plate is rotatably connected with an electric drive shaft, the surface of the electric drive shaft is fixedly connected with a positioning cylinder, the surface of the positioning cylinder is sleeved with a protective type shell, and the inner wall of the positioning cylinder is slidably connected with an extrusion polishing mechanism.

[0006] Preferably, the extrusion polishing mechanism comprises a first anti-skid sleeve and a second anti-skid sleeve slidably connected to the inner wall of the positioning cylinder, the surface of the first anti-skid sleeve is slidably connected with the surface of the second anti-skid sleeve, the inner wall of the positioning cylinder is fixedly connected with a fixed plate, the surface of the first anti-skid sleeve and the second anti-skid sleeve is fixedly connected with a U-shaped plate, the surface of the fixed plate is rotatably connected with a screw rod, the surface of the screw rod is threadedly connected with a moving plate, and the inner wall of the moving plate and the U-shaped plate is rotatably connected with a same push-pull rod.

[0007] Preferably, the extrusion polishing mechanism further comprises a winding shaft and a material collecting roller rotatably connected to the inner wall of the L-shaped plate, and the surface of the winding shaft and the material collecting roller is sleeved with a polishing sandpaper.

[0008] Preferably, the extrusion polishing mechanism further comprises a guide cylinder fixedly connected to the surface of the L-shaped plate, the inner wall of the guide cylinder is slidably connected with a sliding block, the inner wall of the sliding block is rotatably connected with a contact shaft, and the surface of the contact shaft is in contact with the surface of the polishing sandpaper.

[0009] Preferably, the extrusion polishing mechanism further comprises a screw rod threadedly connected to the inner wall of the guide cylinder, one end of the screw rod is fixedly connected with a knob, and the other end of the screw rod is rotatably connected with the surface of the sliding block.

[0010] Preferably, the surface of the electric driving shaft is fixedly connected with a driving wheel, the surface of the winding shaft is fixedly connected with a driven wheel, and the surface of the driven wheel and the driving wheel is sleeved with a belt.

[0011] In conclusion, the technical effects and advantages of the utility model are as follows:

[0012] In the utility model, before the positioning cylinder rotates, the screw rod can be rotated to push the sliding block to slide in the guide cylinder, thereby adjusting the position of the contact shaft, so that the contact shaft extrudes the surface of the polishing sandpaper, the surface of the polishing sandpaper contacts the surface of the protective shell, and the stability of polishing is ensured. In the polishing process, the driven wheel drives the winding shaft to rotate to convey and wind the polishing sandpaper, continuously conveying the polishing sandpaper, when the shell is clamped, the screw rod is rotated to make the plurality of pairs of first anti-skid sleeves and second anti-skid sleeves rub and extrude the surface of the protective shell, and the stability of clamping is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0014] Figure 1 It is a three-dimensional structure schematic view of the embodiment of the utility model;

[0015] Figure 2 It is a three-dimensional structure schematic view of the positioning cylinder in the embodiment of the utility model;

[0016] Figure 3 It is a sectional structure schematic view of the positioning cylinder in the embodiment of the utility model;

[0017] Figure 4 It is a three-dimensional structure schematic view of the L-shaped plate in the embodiment of the utility model.

[0018] In the figure: 1, base; 2, support plate; 3, positioning cylinder; 4, L-shaped plate; 5, electric drive shaft; 6, driving wheel; 7, driven wheel; 8, belt; 9, guide cylinder; 10, screw rod; 11, winding shaft; 12, contact shaft; 13, material receiving roller; 14, second anti-skid sleeve; 15, first anti-skid sleeve; 16, fixed plate; 17, U-shaped plate; 18, moving plate; 19, screw; 20, sanding paper; 21, sliding block; 22, knob; 23, push-pull rod; 24, protective shell. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Embodiment: refer to Figures 1-4 The protective heat exchanger shell polishing device shown in the figure, including base 1, the upper surface of base 1 is fixedly connected with support plate 2, the inner wall of support plate 2 is rotatably connected with electric drive shaft 5, the surface of electric drive shaft 5 is fixedly connected with positioning cylinder 3, the surface of positioning cylinder 3 is sleeved with protective shell 24, the inner wall of positioning cylinder 3 is slidably connected with extrusion polishing mechanism.

[0021] Through the above structure, by setting electric drive shaft 5, driving positioning cylinder 3 to rotate, by setting extrusion polishing mechanism, the sanding paper can be continuously wound without stopping, ensuring that the sanding paper can continuously polish the shell, ensuring the stability of friction during polishing.

[0022] Preferably, the extrusion polishing mechanism comprises a first anti-skid sleeve 15 and a second anti-skid sleeve 14 slidably connected to the inner wall of the positioning cylinder 3, the surface of the first anti-skid sleeve 15 is slidably connected with the surface of the second anti-skid sleeve 14, the inner wall of the positioning cylinder 3 is fixedly connected with a fixed plate 16, the surface of the first anti-skid sleeve 15 and the second anti-skid sleeve 14 is fixedly connected with a U-shaped plate 17, the surface of the fixed plate 16 is rotatably connected with a screw 19, the surface of the screw 19 is threadedly connected with a moving plate 18, and the moving plate 18 and the inner wall of the U-shaped plate 17 are rotatably connected with the same push-pull rod 23.

[0023] By setting the first anti-skid sleeve 15 and the second anti-skid sleeve 14, the friction when contacting with the object is increased, by setting the fixed plate 16, the stability of the screw 19 during rotation is maintained, by setting the moving plate 18, the moving plate 18 moves through the push-pull rod 23 and the connected U-shaped plate 17, driving the first anti-skid sleeve 15 and the second anti-skid sleeve 14 to slide and change their positions.

[0024] Preferably, the extrusion polishing mechanism further comprises a winding shaft 11 and a material collecting roller 13 rotatably connected to the inner wall of the L-shaped plate 4, and the surface of the winding shaft 11 and the material collecting roller 13 is sleeved with the polishing sandpaper 20.

[0025] By arranging the material collecting roller 13, the polishing sandpaper is wound, by arranging the winding shaft 11, the polishing sandpaper is wound on the surface of the winding shaft 11, and by arranging the polishing sandpaper 20, the polishing operation is performed.

[0026] Preferably, the extrusion polishing mechanism further comprises a guide cylinder 9 fixedly connected to the surface of the L-shaped plate 4, a sliding block 21 slidably connected to the inner wall of the guide cylinder 9, and a contact shaft 12 rotatably connected to the inner wall of the sliding block 21, and the surface of the contact shaft 12 is in contact with the surface of the polishing sandpaper 20.

[0027] By arranging the sliding block 21, the position of the contact shaft 12 is changed, by arranging the contact shaft 12, the surface of the polishing sandpaper 20 is extruded, and the contact between the polishing sandpaper 20 and the shell is kept stable.

[0028] Preferably, the extrusion polishing mechanism further comprises a lead screw 10 threadedly connected to the inner wall of the guide cylinder 9, and a knob 22 fixedly connected to one end of the lead screw 10 and rotatably connected to the surface of the sliding block 21.

[0029] By arranging the knob 22, the operator rotates the knob 22 to drive the lead screw 10 to rotate, and by arranging the lead screw 10, the position of the sliding block 21 in the guide cylinder 9 is changed.

[0030] Preferably, the surface of the electric drive shaft 5 is fixedly connected with a driving wheel 6, the surface of the winding shaft 11 is fixedly connected with a driven wheel 7, and the surface of the driven wheel 7 and the driving wheel 6 is sleeved with a belt 8.

[0031] By arranging the belt 8, when the driving wheel 6 rotates, the driven wheel 7 and the winding shaft 11 are driven to rotate by the belt 8, and the conveying of the polishing sandpaper 20 is realized.

[0032] The working principle of the utility model is: a protective type heat exchanger shell polishing device, after the protective type shell 24 to be polished is sleeved on the positioning cylinder 3, rotate the screw rod 19, drive the motion plate 18 to change the height, push the push-pull rod 23 and the U-shaped plate 17 to bear stress, make the first anti-skid sleeve 15 and the second anti-skid sleeve 14 slide to adjust the position, the first anti-skid sleeve 15 and the second anti-skid sleeve 14 rub and extrude the surface of the protective type shell 24, keep the stability of clamping, start the electric driving shaft 5, drive the driving wheel 6 and the positioning cylinder 3 to rotate, the driving wheel 6 drives the driven wheel 7 to rotate through the belt 8, the driven wheel 7 drives the winding shaft 11 to rotate, convey and wind the polishing sand paper 20, when the operator polishes, can rotate the knob 22, drive the screw rod 10 to rotate, push the sliding block 21 to slide in the guide cylinder 9, and then adjust the position of the contact shaft 12, make the contact shaft 12 extrude the surface of the polishing sand paper 20, make the surface of the polishing sand paper 20 contact with the surface of the protective type shell 24, and polish, by the above structure, can extrude and contact with the surface of the shell while continuously conveying during the polishing process of the polishing sand paper 20, ensure the stability of polishing.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A protective heat exchanger shell polishing apparatus comprising a base (1) characterised in that: The upper surface of the base (1) is fixedly connected with a support plate (2), the inner wall of the support plate (2) is rotatably connected with an electric drive shaft (5), the surface of the electric drive shaft (5) is fixedly connected with a positioning cylinder (3), the surface of the positioning cylinder (3) is sleeved with a protective shell (24), and the inner wall of the positioning cylinder (3) is slidably connected with an extrusion polishing mechanism.

2. A guarded heat exchanger shell polishing apparatus as claimed in claim 1, wherein: The extrusion polishing mechanism comprises a first anti-skid sleeve (15) and a second anti-skid sleeve (14) slidably connected to the inner wall of the positioning cylinder (3), the surface of the first anti-skid sleeve (15) is slidably connected with the surface of the second anti-skid sleeve (14), the inner wall of the positioning cylinder (3) is fixedly connected with a fixed plate (16), the surface of the first anti-skid sleeve (15) and the second anti-skid sleeve (14) is fixedly connected with a U-shaped plate (17), the surface of the fixed plate (16) is rotatably connected with a screw rod (19), the surface of the screw rod (19) is threadedly connected with a moving plate (18), and the inner wall of the U-shaped plate (17) is rotatably connected with the same push-pull rod (23) with the moving plate (18).

3. A protective heat exchanger shell polishing apparatus as defined in claim 1, wherein: The extrusion polishing mechanism further comprises a winding shaft (11) and a material collecting roller (13) rotatably connected to the inner wall of the L-shaped plate (4), and the surface of the winding shaft (11) and the material collecting roller (13) is sleeved with a polishing sandpaper (20).

4. A protective heat exchanger shell polishing apparatus as defined in claim 1, wherein: The extrusion polishing mechanism further comprises a guide cylinder (9) fixedly connected to the surface of the L-shaped plate (4), the inner wall of the guide cylinder (9) is slidably connected with a sliding block (21), the inner wall of the sliding block (21) is rotatably connected with a contact shaft (12), and the surface of the contact shaft (12) is in close contact with the surface of the polishing sandpaper (20).

5. A protective heat exchanger shell polishing apparatus as defined in claim 1, wherein: The extrusion polishing mechanism further comprises a lead screw (10) threadedly connected to the inner wall of the guide cylinder (9), one end of the lead screw (10) is fixedly connected with a knob (22), and the other end of the lead screw (10) is rotatably connected with the surface of the sliding block (21).

6. A guarded heat exchanger shell polishing apparatus as claimed in claim 3, wherein: The surface of the electric drive shaft (5) is fixedly connected with a driving wheel (6), the surface of the winding shaft (11) is fixedly connected with a driven wheel (7), and the surface of the driven wheel (7) and the driving wheel (6) is sleeved with a belt (8).

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