Dust collection and recovery device for shot blasting equipment
By incorporating a detachable filter screen and limiting components into the dust collection device, the problem of large dust particles directly impacting the filter bag is solved, achieving effective dust pre-filtration and filter bag protection, and extending the service life of the filter bag.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU ANJIA COATING EQUIP
- Filing Date
- 2025-05-07
- Publication Date
- 2026-04-10
AI Technical Summary
The dust generated by existing shot blasting machines contains large metal shavings and oxide scale, which directly impact the filter bags, causing the filter bag fibers to break, perforate, or experience localized wear, thus reducing the lifespan of the filter bags.
The dust collection and recovery device is equipped with a detachable filter screen and a limiting component. The filter screen is moved horizontally back and forth by an auxiliary moving component to pre-filter large dust particles and prevent them from directly impacting the filter bag.
It effectively intercepts large dust particles, preventing them from directly impacting the filter bag, extending the filter bag's lifespan, and avoiding dust accumulation.
Smart Images

Figure CN224100266U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a throw -in shot equipment technical field especially relates to a dust collection and recycling device for throw -in shot equipment. BACKGROUND
[0002] The core component of the shot blasting machine is the shot thrower, the pellets enter the dividing wheel from the guide-in cylinder, are sent to the blade through the directional sleeve window, form a fan-shaped pellet bundle under the action of high-speed centrifugal force, and are projected onto the workpiece to strip the impurities such as oxide scale, rust, adhering sand and oil stains on the surface of the workpiece, thereby achieving the purpose of cleaning the workpiece.
[0003] Most of the existing shot blasting machines are provided with bag-type dust collectors, when the dust-containing gas generated by the shot blasting machine enters the bag-type dust collector, the airflow cross section suddenly expands, the airflow speed decreases, and part of the large particle dust directly falls into the ash bucket and is collected under the action of gravity.
[0004] However, the dust generated by the existing shot blasting machine may contain large particle metal scraps and oxide scale, and the large particles directly impact the surface of the filter bag, which easily causes the fiber of the filter bag to break, perforate or locally wear, thereby reducing the service life of the filter bag. SUMMARY
[0005] The utility model aims at solving the shortcomings in the prior art and provides a dust collection and recycling device for a shot blasting machine.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0007] A dust collection and recycling device for a shot blasting machine, comprising a shot blasting machine body, a dust recycling device body is arranged on one side of the shot blasting machine body, a dust suction port is arranged on one side of the shot blasting machine body, an auxiliary pipeline is connected to one side of the dust suction port, one side of the auxiliary pipeline is connected with the dust recycling device body, a filter bag assembly is arranged in the upper middle part of the dust recycling device body, a fixed frame body is fixedly installed below the filter bag assembly in the dust recycling device body, and a filter screen plate is inserted into the fixed frame body;
[0008] The fixed frame body and the dust recycling device body are provided with an inlet and outlet sliding groove on one side of the filter screen plate, a cavity is formed below the middle part of the inlet and outlet sliding groove in the fixed frame body, an auxiliary movable assembly is placed in the cavity, a plurality of auxiliary assemblies are arranged at equal distances on one side of the fixed frame body away from the inlet and outlet sliding groove, a sealing door plate is inserted into the inlet and outlet sliding groove at one end of the dust recycling device body, and the sealing door plate and the dust recycling device body are connected and fixed through a plurality of bolts.
[0009] In addition, preferably, the auxiliary assembly comprises a limiting sliding block, the limiting sliding block is slidingly arranged in the fixed frame body, and one side of the limiting sliding block penetrates through the fixed frame body and is connected with the pressing ring.
[0010] In addition, preferably, a cavity is arranged in the fixed frame body at the position of the limiting sliding block, and a spring body is arranged in the cavity at the position of one side of the limiting sliding block and away from the position of the access sliding groove.
[0011] In addition, preferably, the auxiliary moving assembly comprises a rotating shaft, the rotating shaft is driven by a driving motor, and a plurality of cam bodies are equidistantly arranged on the outer wall of the rotating shaft.
[0012] In addition, preferably, one side of the rotating shaft is connected with the driving motor, and the other side of the rotating shaft is connected with the fixed frame body through a bearing seat.
[0013] In addition, preferably, an auxiliary sliding groove is arranged above the middle part of the access sliding groove in the fixed frame body, a limiting baffle is slidingly arranged in the auxiliary sliding groove, an auxiliary through hole is arranged in the bottom of the limiting baffle at the position of the auxiliary moving assembly, and a clamping groove is arranged below the middle part of the access sliding groove in the fixed frame body and at the position of the limiting baffle.
[0014] The dust collecting and recycling device has the advantages that:
[0015] In the dust collecting and recycling device, the detachable filter screen plate is arranged below the filter bag assembly of the dust collecting and recycling device body, so that the large particles of dust are pre-filtered, the large particles in the dust-containing airflow are effectively intercepted, and the filter bag is prevented from being damaged due to direct impact of the large particles. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A structure diagram of a dust collecting and recycling device for a shot blasting equipment is provided.
[0017] Figure 2 A structure diagram of a cross section of the dust collecting and recycling device body is provided.
[0018] Figure 3 A structure diagram of a cross section of the fixed frame body and the filter screen plate is provided.
[0019] Figure 4 A structure diagram of a cross section of the fixed frame body and the filter screen plate is provided. Figure 3 An enlarged structure diagram of position A in the dust collecting and recycling device body is provided.
[0020] Figure 5 A structure diagram of a cross section of the fixed frame body is provided.
[0021] In the figure: 1, the shot blasting machine body; 2, dust collection and recovery device body; 21, filter bag assembly; 22, fixed frame; 221, limit baffle; 23, filter screen; 3, sealing door plate; 4, auxiliary pipeline; 6, auxiliary assembly; 61, limit sliding block; 62, spring body; 63, pressing ring; 7, auxiliary movable assembly; 71, rotating shaft; 72, cam body; 73, driving motor. DETAILED DESCRIPTION
[0022] 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, not all the embodiments.
[0023] Reference Figures 1-5 A dust collection and recovery device for a shot blasting equipment, comprising a shot blasting machine body 1, a dust recovery device body 2 is arranged on one side of the shot blasting machine body 1, and a dust suction port is arranged on one side of the shot blasting machine body 1, and the dust suction port is connected with an auxiliary pipeline 4 on one side, the auxiliary pipeline 4 is connected with the dust recovery device body 2 on one side, a filter bag assembly 21 is arranged in the upper middle part of the dust recovery device body 2, and a fixed frame 22 is fixedly installed below the filter bag assembly 21 in the dust recovery device body 2, and a filter screen 23 is inserted into the fixed frame 22.
[0024] Among them, it is worth noting that the specific structure, connection mode and working principle of the shot blasting machine body 1, the dust recovery device body 2 and the auxiliary pipeline 4 are the existing technologies disclosed on the market at present, and do not belong to the main technical problems to be solved in the utility model, therefore, the utility model does not add much description, and the specific structure, connection mode and working principle of the dust recovery device body 2 are referred to the pulse bag dust collector disclosed on the market at present, therefore, no more description is added.
[0025] The fixed frame 22 and the dust recovery device body 2 are provided with an inlet and outlet sliding groove on one side of the filter screen 23, a cavity is formed below the middle part of the inlet and outlet sliding groove of the fixed frame 22, an auxiliary movable assembly 7 is placed in the cavity, a plurality of auxiliary assemblies 6 are arranged at equal distances away from the inlet and outlet sliding groove in the fixed frame 22, a sealing door plate 3 is inserted into the inlet and outlet sliding groove at one end of the dust recovery device body 2, and the sealing door plate 3 and the dust recovery device body 2 are fixedly connected through a plurality of bolts.
[0026] In addition, the auxiliary assembly 6 comprises a limit sliding block 61, the limit sliding block 61 is limit slidingly arranged in the fixed frame 22, and the limit sliding block 61 is connected with a pressing ring 63 and penetrates out of the fixed frame 22 on one side.
[0027] And, and fixed frame 22 in the position limiting sliding block 61 at the opening of the cavity, the cavity in the position limiting sliding block 61 side and away from the access to the sliding groove side is provided with spring body 62.
[0028] Further, the auxiliary activity assembly 7 includes a rotating shaft 71, the rotating shaft is driven by a driving motor 73, and a plurality of cam bodies 72 are fixedly arranged on the outer wall of the rotating shaft at equal distances.
[0029] Meanwhile, one side of the rotating shaft 71 is connected with the driving motor 73, and the other side of the rotating shaft 71 is connected with the fixed frame 22 through a bearing seat.
[0030] And, the fixed frame 22 is provided with an auxiliary sliding groove above the middle part of the access to the sliding groove, a limiting baffle 221 is slidably arranged in the auxiliary sliding groove, an auxiliary through hole is formed in the bottom of the limiting baffle 221 at the auxiliary activity assembly 7, and a clamping groove is formed in the fixed frame 22 below the middle part of the access to the sliding groove and at the limiting baffle 221.
[0031] In the embodiment, the driving motor 73 of the auxiliary activity assembly 7 drives the rotating shaft 71 to rotate, and the rotating shaft drives the cam body 72 to rotate at the same time. When the protruding end of the cam body 72 contacts the filter screen plate 23, the filter frame is driven to move away from the driving motor 73 in the sliding cavity. When the protruding end of the cam body 72 gradually moves away from the filter screen plate 23, the filter screen plate 23 is moved towards the driving motor 73 under the action of the spring body 62, the pressing ring 63 and the position limiting sliding block 61, so that the filter screen plate 23 moves horizontally and reciprocally, and dust accumulation is avoided.
[0032] In the utility model, the detachable filter screen plate 23 is arranged below the filter cloth bag assembly 21 of the dust collection and retraction device body 2, large particle dust is pre-filtered, large particles in dust-containing airflow can be effectively intercepted, the filter bag is not damaged due to direct impact, and the filter screen plate 23 moves horizontally and reciprocally through the limiting assembly 6 and the auxiliary activity assembly 7 arranged on both sides of the filter screen plate 23, and dust accumulation is avoided.
[0033] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A dust collecting and recycling device for a shot blasting apparatus, comprising a shot blaster body (1), characterized in that, The dust recovery device body (2) is arranged on one side of the shot blasting machine body (1), and a dust suction port is arranged on one side of the shot blasting machine body (1), and the dust suction port is connected with an auxiliary pipeline (4) on one side, and the auxiliary pipeline (4) is connected with the dust recovery device body (2) on one side, and a filter bag assembly (21) is arranged in the upper middle part of the dust recovery device body (2), and a fixed frame (22) is fixedly installed below the filter bag assembly (21) in the dust recovery device body (2), and a filter screen (23) is inserted into the fixed frame (22); The fixed frame (22) and the dust recovery device body (2) are provided with an inlet and outlet sliding groove on one side of the filter screen (23), a cavity is formed below the middle part of the inlet and outlet sliding groove of the fixed frame (22), an auxiliary movable assembly (7) is placed in the cavity, a plurality of auxiliary assemblies (6) are arranged at equal distances away from the inlet and outlet sliding groove in the fixed frame (22), and a sealing door plate (3) is inserted into the dust recovery device body (2) at one end of the inlet and outlet sliding groove, and the sealing door plate (3) and the dust recovery device body (2) are connected and fixed by a plurality of bolts.
2. The dust collecting and recycling device for a shot blasting apparatus according to claim 1, wherein The auxiliary assembly (6) comprises a limiting sliding block (61), the limiting sliding block (61) is arranged in the fixed frame (22) in a limiting sliding manner, and the limiting sliding block (61) is connected with a pressing ring (63) on one side penetrating out of the fixed frame (22).
3. The dust collecting and recycling device for a shot blasting apparatus according to claim 2, wherein A cavity is formed in the fixed frame (22) at the position of the limiting sliding block (61), and a spring body (62) is arranged in the cavity on one side of the limiting sliding block (61) and away from the inlet and outlet sliding groove.
4. The dust collecting and recycling device for a shot blasting apparatus according to claim 1, wherein The auxiliary movable assembly (7) comprises a rotating shaft (71) driven by a driving motor (73), and a plurality of cam bodies (72) are fixedly sleeved on the outer wall of the rotating shaft at equal distances.
5. A dust collecting and recycling device for a shot blasting apparatus according to claim 4, wherein The rotating shaft (71) is connected with the driving motor (73) on one side, and the rotating shaft (71) is connected with the fixed frame (22) through a bearing seat on the other side.
6. The dust collecting and recycling device for a shot blasting apparatus according to claim 1, wherein An auxiliary sliding groove is formed in the upper middle part of the inlet and outlet sliding groove in the fixed frame (22), a limiting baffle (221) is arranged in the auxiliary sliding groove in a sliding manner, an auxiliary through hole is formed in the bottom of the limiting baffle (221) at the position of the auxiliary movable assembly (7), and a clamping groove is formed in the lower middle part of the inlet and outlet sliding groove in the fixed frame (22) at the position of the limiting baffle (221).