Protective structure of shot blasting cleaning chamber

Abstract

The utility model discloses a protection structure of a shot blasting cleaning room, which comprises a protection steel plate, a flexible honeycomb plate and a support plate, the flexible honeycomb plate is arranged between the protection steel plate and the support plate, the upper end and the lower end of the protection steel plate are both provided with L-shaped folding edges, the outer sides of the L-shaped folding edges are provided with a plurality of dovetail slide blocks, and the dovetail slide blocks are provided with dovetail grooves. The dovetail sliding block is slidably connected with a dovetail groove formed in the inner wall of the cleaning chamber, a positioning hole is formed in the side, facing the inner wall of the cleaning chamber, of the supporting plate, a positioning pin is arranged on the outer side of the inner wall of the cleaning chamber, and the positioning pin penetrates through a through hole in the inner wall of the cleaning chamber and then is connected with the positioning hole. Through the three-layer composite structure of the protective steel plate, the flexible honeycomb plate and the supporting plate, the impact resistance, sound insulation and vibration reduction performance of the protective structure are improved, the manufacturing and using cost is low, rapid installation and disassembly of the protective structure are achieved through the track structure, the maintenance process is simplified, and the maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shot -blasting machine technical field, in particular to a kind of protective structure of shot -blasting cleaning chamber. BACKGROUND

[0002] The cleaning chamber of shot -blasting machine is subjected to the impact of steel shot for a long time, so it needs special protection treatment, and currently the industry generally adopts the way of installing steel plate on the inner wall of cleaning chamber for protection. These steel plates are usually made of cast iron or manganese steel material and are fixed on the inner wall of the cleaning chamber using bolts.

[0003] The protective steel plate is usually made into a square plate with a size of about 450*450*12mm, and each steel plate is installed on the inner wall of the cleaning chamber using 6-8 bolts. At least a dozen steel plates need to be installed in a cleaning chamber to facilitate local replacement when the steel plates are worn out.

[0004] However, this method makes the disassembly and assembly process of the steel plate very cumbersome, and frequent disassembly and assembly of the bolts and transportation of the steel plate are required, which is labor-intensive and low in maintenance efficiency, resulting in long downtime and high maintenance cost. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model discloses a protective structure of shot -blasting cleaning chamber, which comprises a protective steel plate, a flexible honeycomb plate and a support plate. The flexible honeycomb plate is arranged between the protective steel plate and the support plate. The protective steel plate is provided with L-shaped flanges at both ends. The outer side of the L-shaped flanges is provided with a plurality of dovetail sliding blocks. The dovetail sliding blocks are connected with the dovetail grooves arranged on the inner wall of the cleaning chamber. The side of the support plate facing the inner wall of the cleaning chamber is provided with a positioning hole. The outer side of the inner wall of the cleaning chamber is provided with a positioning pin. The positioning pin penetrates through the through hole on the inner wall of the cleaning chamber and is connected with the positioning hole.

[0006] Further, each honeycomb hole of the flexible honeycomb plate is filled with a plurality of regenerated rubber particles.

[0007] Further, the L-shaped flange is provided with a threaded hole, and the corresponding position of the support plate is provided with a counterbore. A locking bolt passes through the counterbore and is connected with the threaded hole.

[0008] Further, the end of the positioning pin is provided with a magnetic ring on the inner side. The magnetic ring adsorbs the end of the positioning pin on the outer wall of the cleaning chamber.

[0009] Further, the protective steel plate is a corrugated steel plate.

[0010] Further, the flexible honeycomb plate is a polyethylene honeycomb plate.

[0011] Further, the support plate is a shaving board.

[0012] Compared with the prior art, the protective steel plate, the flexible honeycomb plate and the supporting plate three-layer composite structure improve the impact resistance, sound insulation and vibration reduction performance of the protective structure, and the manufacturing and use costs are relatively low.

[0013] The utility model discloses a three-layer composite structure of protective steel plate, flexible honeycomb plate and supporting plate, which improves the impact resistance, sound insulation and vibration reduction performance of the protective structure, and the manufacturing and use costs are relatively low. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, obviously, the drawings in the following description only are some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can also be obtained according to these drawings without the creative labor.

[0015] Figure 1 It is the end surface structure sectional view of the utility model;

[0016] Figure 2 It is Figure 1 It is the local structure enlarged view of A in the middle;

[0017] Figure 3 It is Figure 1 It is the local structure enlarged view of B in the middle;

[0018] Figure 4 It is the end surface structure schematic diagram of flexible honeycomb plate in the utility model.

[0019] Reference signs:

[0020] 1-protective steel plate, 2-flexible honeycomb plate, 3-supporting plate, 4-L-shaped flange, 5-dovetail sliding block, 6-cleaning chamber, 7-dovetail groove, 8-positioning hole, 9-positioning pin, 10-through hole, 11-screw hole, 12-counterbore, 13-locking bolt, 14-magnetic ring, 15-regenerated rubber particles. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0022] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0023] In the description of the embodiments, unless otherwise explicitly specified and limited, the terms "arranged", "connected" and the like should be understood in a broad sense. For example, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or connected through an intermediate medium, or connected internally between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0024] As shown in the drawings, Figures 1-3 The protective structure of the shot blasting chamber in the embodiment includes a protective steel plate 1, a flexible honeycomb plate 2, and a support plate 3. The flexible honeycomb plate 2 is arranged between the protective steel plate 1 and the support plate 3. The protective steel plate 1 is provided with L-shaped folded edges 4 at both upper and lower ends. The outer side of the L-shaped folded edge 4 is provided with a plurality of dovetail sliding blocks 5. The dovetail sliding blocks 5 are slidably connected with dovetail grooves 7 arranged on the inner wall of the cleaning chamber 6. Through the cooperation of the dovetail sliding blocks 5 and the dovetail grooves 7, the protective structure can be quickly installed and disassembled.

[0025] The side of the support plate 3 facing the inner wall of the cleaning chamber 6 is provided with a positioning hole 8. The outer side of the inner wall of the cleaning chamber 6 is provided with a positioning pin 9. The positioning pin 9 is connected with the positioning hole 8 after penetrating through the through hole 10 on the inner wall of the cleaning chamber 6.

[0026] The L-shaped folded edge 4 is provided with a threaded hole 11. The corresponding position of the support plate 3 is provided with a counterbore 12. A locking bolt 13 is connected with the threaded hole 11 by penetrating through the counterbore 12.

[0027] The inner side of the end of the positioning pin 9 is provided with a magnetic ring 14. The magnetic ring 14 adsorbs the end of the positioning pin 9 on the outer wall of the cleaning chamber 6, which is conducive to the quick installation and positioning of the protective structure. No special tools are needed, and there is no need to disassemble a large number of bolts, which simplifies the disassembly process of the protective structure.

[0028] As shown in the drawings, Figure 4 Each honeycomb hole of the flexible honeycomb plate 2 is filled with a plurality of regenerated rubber particles 15. After the support plate 3 and the protective steel plate 1 are locked by the locking bolt 13, the flexible honeycomb plate 2 and the regenerated rubber particles 15 are tightly squeezed between the support plate 3 and the protective steel plate 1, so that they are tightly fitted.

[0029] The protective steel plate 1 is made of corrugated steel plate, with a thickness of 1.5-2mm, a corrugated height of 4-5mm, and a corrugated spacing of 18-20mm. The corrugated structure is conducive to improving the rigidity of the steel plate, and thus improving its impact resistance.

[0030] The flexible honeycomb plate 2 adopts polyethylene honeycomb plate, the polyethylene material has excellent heat resistance, creep resistance and damping performance, which is beneficial to slow down the impact of steel shot on the protective structure; the density of the recycled rubber particles 15 is 0.6-1.2g / cm3, the particle size is 2-5mm, and a discontinuous damping interface can be formed, which is beneficial to further improve the damping and sound insulation performance of the protective structure.

[0031] The support plate 3 adopts a shaving plate with a thickness of 5-6mm and a density of 0.45-0.6g / cm3, and the shaving plate has low cost and good sound absorption and sound insulation performance.

[0032] In summary, the utility model discloses a three-layer composite structure of the protective steel plate 1, the flexible honeycomb plate 2 and the support plate 3, which improves the impact resistance, sound insulation and damping performance of the protective structure, and has low manufacturing and using cost, and the track structure is used to realize the quick installation and dismounting of the protective structure, simplify the maintenance process and improve the maintenance efficiency.

[0033] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model. In addition, the technical solutions of various embodiments can be combined with each other, but must be based on the realization of ordinary technical personnel in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

Claims

1. A protective structure for a shot blasting chamber, characterized in that: The device includes a protective steel plate, a flexible honeycomb panel, and a support plate. The flexible honeycomb panel is disposed between the protective steel plate and the support plate. The protective steel plate has L-shaped folds at both the top and bottom ends. Multiple dovetail sliders are provided on the outer side of the L-shaped folds. The dovetail sliders are slidably connected to dovetail grooves provided on the inner wall of the cleaning chamber. The support plate has a positioning hole on the side facing the inner wall of the cleaning chamber. A positioning pin is provided on the outer side of the inner wall of the cleaning chamber. The positioning pin passes through a through hole in the inner wall of the cleaning chamber and connects to the positioning hole.

2. The protective structure of the shot blasting chamber according to claim 1, characterized in that: Each honeycomb cell of the flexible honeycomb panel is filled with several recycled rubber particles.

3. The protective structure of the shot blasting chamber according to claim 1, characterized in that: The L-shaped flange is provided with a threaded hole, and the corresponding position of the support plate is provided with a countersunk hole. The locking bolt passes through the countersunk hole and connects with the threaded hole.

4. The protective structure of the shot blasting chamber according to claim 1, characterized in that: A magnetic ring is provided on the inner side of the end of the positioning pin, and the magnetic ring attracts the end of the positioning pin to the outer wall of the cleaning room.

5. The protective structure of the shot blasting chamber according to claim 1, characterized in that: The protective steel plate is a corrugated steel plate.

6. The protective structure of the shot blasting chamber according to claim 1, characterized in that: The flexible honeycomb panel is a polyethylene honeycomb panel.

7. The protective structure of the shot blasting chamber according to claim 1, characterized in that: The support plate is made of particleboard.

Images