A shot blasting machine for small castings

Abstract

The utility model discloses a shot blasting machine for small castings, including a conveying seat, a processing shed is integrally constructed at the center of the top wall of the conveying seat, wherein the processing shed is welded with the conveying seat, two sets of shot blasting machines are installed on the opposite side walls of the processing shed, the technical principle of the shot blasting machine is the existing technology, a plurality of horizontally rotating conveying rollers are arranged in the inner cavity of the conveying seat, and auxiliary positioning mechanisms are arranged on both sides of the processing shed, wherein the auxiliary positioning mechanisms include cylinders symmetrically installed on the opposite side walls of the conveying seat, telescopic rods respectively connected to the two cylinders, positioning plates welded to the opposite sides of the two telescopic rods, a plurality of extension seats welded above the positioning plates, and pulleys installed on the extension seats. The shot blasting machine for small castings enables the small castings to always be located in the center of the conveying rollers, so that more steel shots can be thrown on the castings, reducing the probability of empty throwing, which is conducive to improving the shot blasting efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of shot blasting machines, in particular to a shot blasting machine for small castings. Background Art

[0002] Shot blasting machine is a casting equipment that uses high-speed projectiles thrown by the shot blaster to clean or strengthen the surface of the casting. It is a processing technology that uses the shot blaster to throw steel sand and steel shots at high speed and impact on the surface of the material object. Compared with other surface treatment technologies, shot blasting machines are faster and more effective, and can be used for the casting process after partial retention or stamping.

[0003] In the process of realizing the utility model, the inventors found that there are at least the following problems in the technology: the current shot blasting machine is usually unable to guide the castings when inputting and outputting the castings, causing some smaller ones to be easily offset during input and output, resulting in many steel shots not being thrown on them (i.e., empty throwing), thereby reducing the efficiency of the shot blasting process.

[0004] Therefore, we propose a shot blasting machine for small castings to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a shot blasting machine for small castings, so that the small castings are always located in the center area of ​​the conveyor roller, so that more steel shots can be thrown on the castings, reducing the probability of empty throwing, which is beneficial to improving the shot blasting efficiency and can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A shot blasting machine for small castings, comprising a conveying seat, wherein the top wall and the two side walls of the conveying seat are hollowed out to facilitate the conveying and shot blasting of small castings, a processing shed is integrally constructed at the center of the top wall of the conveying seat, wherein the processing shed and the conveying seat are welded, two sets of shot blasting machines are installed on the two opposite side walls of the processing shed, the technical principle of the shot blasting machine is the existing technology, and a plurality of horizontally rotating conveying rollers are arranged in the inner cavity of the conveying seat;

[0008] Auxiliary positioning mechanisms are provided on both sides of the processing shed, wherein the auxiliary positioning mechanisms include cylinders symmetrically installed on the opposite side walls of the conveying seat, telescopic rods respectively connected to the two cylinders, positioning plates welded to the opposite sides of the two telescopic rods, multiple extension seats welded above the positioning plates, and pulleys installed on the extension seats, the pulleys are arranged horizontally, wherein the multiple extension seats on each positioning plate are evenly spaced in the horizontal direction, and the pulleys on the two extension seats of a group of auxiliary positioning mechanisms are distributed facing each other, so that the two sides of the small castings can be contacted and positioned and guided. The device is suitable for small castings with regular shapes, such as steel plate castings, and an infrared diffuse reflection laser photoelectric switch sensor is horizontally installed on each extension seat, and a controller matching it is provided above each cylinder, and the cylinder and the infrared diffuse reflection laser photoelectric switch sensor are coupled to the controller.

[0009] As a preferred implementation scheme, the openings of the processing shed are located on both sides thereof, and the internal space of the processing shed is connected to the inner cavity of the conveying seat, and soft door curtains are fixedly connected to the top walls of the openings on both sides of the processing shed; the soft door curtains can play a certain shielding and protective role, reducing the entry of external dust and other objects into the processing shed.

[0010] As a preferred embodiment, a protective shell is provided on the outside of each cylinder, wherein the bottom of the protective shell is hollowed out and the protective shell is welded to the outer wall of the conveying seat, so that the protective shell can protect the cylinder.

[0011] As a preferred embodiment, four controllers are provided and are respectively installed on the top walls of four protective shells; thereby the controller structure remains stable.

[0012] As a preferred embodiment, two protective sleeves are welded on both sides of the inner cavity of the conveying seat, that is, there are four protective sleeves in total, each of which accommodates a telescopic rod; so that the four telescopic rods can be protected by four protective sleeves respectively.

[0013] In summary, the technical effects and advantages of the utility model are as follows:

[0014] The shot blasting machine for small castings corrects the position of small castings during input and output through auxiliary positioning mechanisms arranged on both sides of the conveying seat, so that the small castings are always located in the center area of ​​the conveying roller, so that more steel shots can be thrown on the castings, reducing the probability of empty throwing, which is beneficial to improving the shot blasting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a side view of the utility model;

[0017] Figure 3 It is a partial vertical cross-sectional view of the utility model;

[0018] Figure 4 For this utility model Figure 1 A magnified view of the structure in the middle.

[0019] In the figure: 1. conveying seat; 2. processing shed; 3. soft door curtain; 4. shot blasting machine; 5. protective shell; 6. cylinder; 7. casing; 8. telescopic rod; 9. positioning plate; 10. extension seat; 11. pulley; 12. infrared diffuse reflection laser photoelectric switch sensor; 13. controller; 14. conveying roller; 15. auxiliary positioning mechanism. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 4 A shot blasting machine for small castings includes a conveying seat 1, wherein the top wall and the two side walls of the conveying seat 1 are hollowed out, and a plurality of horizontally rotating conveying rollers 14 are arranged in the inner cavity of the conveying seat 1, and the conveying rollers 14 are driven by external facilities (the technical principle is the existing technology), so as to facilitate the conveying and shot blasting of small castings;

[0022] A processing shed 2 is integrally constructed at the center of the top wall of the conveying seat 1, wherein the processing shed 2 is welded to the conveying seat 1, the openings of the processing shed 2 are located on both sides thereof, and the internal space of the processing shed 2 is communicated with the inner cavity of the conveying seat 1, and the top walls at the openings on both sides of the processing shed 2 are fixedly connected with soft door curtains 3, which can play a certain role of shielding and protection, reducing the entry of dust and other objects from the outside into the processing shed 2, and two sets of shot blasting machines 4 are installed on the opposite side walls of the processing shed 2, and the technical principle of the shot blasting machine 4 is the existing technology;

[0023] Auxiliary positioning mechanisms 15 are provided on both sides of the processing shed 2, wherein the auxiliary positioning mechanisms 15 include cylinders 6 symmetrically installed on opposite side walls of the conveying seat 1, telescopic rods 8 respectively connected to the two cylinders 6, positioning plates 9 welded to the opposite sides of the two telescopic rods 8, multiple extension seats 10 welded above the positioning plates 9, and pulleys 11 installed on the extension seats 10. A protective shell 5 is provided on the outside of each cylinder 6, wherein the bottom of the protective shell 5 is hollowed out, and the protective shell 5 is welded to the outer wall of the conveying seat 1, so that the protective shell 5 can protect the cylinder 6. Two protective tubes 7 are welded on both sides of the inner cavity of the conveying seat 1, that is, there are four protective tubes 7 in total, and each protective tube 7 contains a telescopic rod 8, so that the four telescopic rods 8 can be protected by the four protective tubes 7 respectively;

[0024] The pulley 11 is arranged horizontally, wherein the multiple extension seats 10 on each positioning plate 9 are evenly spaced in the horizontal direction, and the pulleys 11 on the two extension seats 10 of a group of auxiliary positioning mechanisms 15 are arranged opposite to each other, so that the two sides of the small casting can be contacted, positioned and guided. The device is suitable for small castings with regular shapes, such as steel plate castings. An infrared diffuse reflection laser photoelectric switch sensor 12 is horizontally installed on each extension seat 10, and a controller 13 cooperating therewith is provided above each cylinder 6. The cylinder 6 and the infrared diffuse reflection laser photoelectric switch sensor 12 are coupled to the controller 13. The technical principle of the infrared diffuse reflection laser photoelectric switch sensor 12 can refer to the E3HT-DS3E1 model, and the technical principle of the controller 13 can refer to the S7-200 model. There are four controllers 13 in total and they are respectively installed on the top walls of the four protective shells 5, so that the structure of the controller 13 remains stable.

[0025] The shot blasting machine for small castings: when in use, an external driving facility drives a plurality of conveying rollers 14, so that the small castings are input from an opening on one side of the conveying seat 1 and gradually sent into the processing shed 2, and the shot blasters 4 on both sides of the processing shed 2 are driven to operate, and steel shots are thrown onto the small castings in the processing shed 2, and the small castings are cleaned with high-speed shots or the surface of the small castings is strengthened. After the work is completed, the driving facility continues to drive the plurality of conveying rollers 14 to operate and gradually output from the opening on the other side of the conveying seat 1; during the entire input, output and processing process, the two groups of auxiliary positioning mechanisms 15 need to play a guiding role for the small castings, and the guiding mechanism is: driving a plurality of infrared diffuse reflection laser photoelectric switch sensors 12 on each group of auxiliary positioning mechanisms 15 to operate, when (any one) of the infrared diffuse reflection laser photoelectric switch sensors 12 on one side detects that the small castings are entering When it enters its detection range, it transmits an electrical signal to the two cylinders 6 on the auxiliary positioning mechanism 15, so that the two cylinders 6 drive the two telescopic rods 8 to extend, so that the two positioning plates 9 and the extension seats 10 and pulleys 11 thereon are close to each other, and the infrared diffuse reflection laser photoelectric switch sensor 12 detects that the distance between itself and the small casting is X (the value of X is constantly decreasing). When the value of X is just equal to the horizontal distance between the probe of the infrared diffuse reflection laser photoelectric switch sensor 12 and the farthest end of the pulley 11 (below it), it indicates that the pulley 11 and the small casting have been in contact. At this time, the two cylinders 6 stop running. At this time, the small casting will be guided by the pulleys 11 on both sides when moving, so that the small casting is in the center of the conveying roller 14. When the small casting contacts the pulley 11, it will drive the pulley 11 to roll, and at the same time, it can move smoothly.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A shot blasting machine for small castings, comprising a conveying seat (1), characterized in that: A processing shed (2) is integrally constructed at the center of the top wall of the conveying seat (1), wherein the processing shed (2) and the conveying seat (1) are welded, two sets of shot blasting machines (4) are installed on opposite side walls of the processing shed (2), and a plurality of horizontally rotating conveying rollers (14) are arranged in the inner cavity of the conveying seat (1); Auxiliary positioning mechanisms (15) are provided on both sides of the processing shed (2), wherein the auxiliary positioning mechanisms (15) include cylinders (6) symmetrically installed on opposite side walls of the conveying seat (1), telescopic rods (8) respectively connected to the two cylinders (6), positioning plates (9) welded to the opposite sides of the two telescopic rods (8), a plurality of extension seats (10) welded above the positioning plates (9), and a pulley (11) installed on the extension seats (10), wherein the pulley (11) is horizontally arranged, wherein the plurality of extension seats (10) on each of the positioning plates (9) are evenly spaced in the horizontal direction, and the pulleys (11) on the two extension seats (10) of a group of the auxiliary positioning mechanisms (15) are arranged facing each other; An infrared diffuse reflection laser photoelectric switch sensor (12) is horizontally mounted on each of the extension seats (10), and a controller (13) cooperating therewith is disposed above each of the cylinders (6), and the cylinders (6) and the infrared diffuse reflection laser photoelectric switch sensor (12) are coupled to the controller (13).

2. A shot blasting machine for small castings according to claim 1, characterized in that: The openings of the processing shed (2) are located on both sides thereof, and the internal space of the processing shed (2) is communicated with the inner cavity of the conveying seat (1), and the top walls of the openings on both sides of the processing shed (2) are fixedly connected with soft door curtains (3).

3. A shot blasting machine for small castings according to claim 1, characterized in that: A protective shell (5) is provided on the outside of each cylinder (6), wherein the bottom of the protective shell (5) is hollowed out, and the protective shell (5) is welded to the outer wall of the conveying seat (1).

4. A shot blasting machine for small castings according to claim 3, characterized in that: The controllers (13) are provided with four in total and are respectively mounted on the top walls of four protective shells (5).

5. A shot blasting machine for small castings according to claim 1, characterized in that: Two protective tubes (7) are welded on both sides of the inner cavity of the conveying seat (1), that is, there are four protective tubes (7) in total, and each protective tube (7) contains a telescopic rod (8).

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