Workpiece conveying device for shot blasting machine

Abstract

The workpiece conveying device comprises supporting legs and further comprises a conveying assembly, a supporting assembly and an adsorption assembly, the tops of the supporting legs are fixedly connected with a machine body, the shot blasting machine is arranged at the top in the machine body, a feeding assembly is arranged on the back face of the machine body, and lifting protective doors are arranged on the left side and the right side of the machine body. According to the shot blasting machine, as the lifting frame, the bottom supporting strips, the protection box and the fixed suction cups are all arranged below the bottom of the workpiece, shots thrown by the shot blasting machine can act on the surface of the workpiece more directly, energy loss of the shots in the conveying process is reduced, and therefore the shot blasting cleaning effect is improved; and meanwhile, shots do not directly impact the surfaces of the lifting frame, the bottom supporting strip, the protection box and the fixed suction cup, secondary pollution of chippings or particles generated by abrasion of the lifting frame, the bottom supporting strip, the protection box and the fixed suction cup to the workpiece is reduced, and the cleanliness of the surface of the cleaned workpiece is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of shot blasting machines, in particular to a workpiece conveying device for a shot blasting machine. Background Art

[0002] The shot blasting machine uses a shot blaster to shoot hard particles such as steel sand and steel shot at a very high speed onto the surface of the workpiece. The impact and cutting action of the projectiles and the grinding action of the abrasive are used to remove impurities such as oxide scale, rust, oil stains, old coatings, etc. on the surface of the workpiece, while increasing the roughness of the workpiece surface, providing ideal base conditions for subsequent processes. Its working principle is mainly based on the action of high-speed rotating blades and airflow. The motor drives the blades to rotate, so that the shot particles gain acceleration on the high-speed rotating blades, and then the shot particles are quickly sprayed onto the surface of the workpiece through the airflow.

[0003] When the shot blasting machine is working on the workpiece, the workpiece needs to be transported to the bottom of the shot blasting machine, and then the shot blasting machine is started to grind the surface of the workpiece. Because the conveying device of the existing conveyor contacts with the bottom of the workpiece after conveying the workpiece, the exposed part of the surface of the conveying device is grinded synchronously when the shot blasting machine is working. As the use time increases, the surface of the conveying device is damaged, reducing the service life of the device. Improvements need to be made to this problem. Summary of the invention

[0004] The object of the present invention is to provide a workpiece conveying device for a shot blasting machine to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a workpiece conveying device for a shot blasting machine, comprising a supporting foot, and also comprising a conveying assembly, a supporting assembly and an adsorption assembly. The top of the supporting foot is fixedly connected to an organism, a shot blasting machine is arranged on the top of the organism, a feeding assembly is arranged on the back of the organism, and lifting protective doors are arranged on the left and right sides of the organism.

[0006] Wherein, the conveying component comprises: A conveying base, the conveying base is fixedly connected to the middle of the bottom of the machine body, a driving motor is fixedly connected to the middle of the left side of the conveying base, the driving motor has an output shaft, the output shaft of the driving motor is fixedly connected to a feeding threaded rod, a movable guide rod is fixedly connected to the front and rear sides of the conveying base, a ball nut pair is threadedly connected to the outer side of the movable guide rod, a movable feeding seat is fixedly connected to the top of the ball nut pair, and a movable guide ring is fixedly connected to the front and rear sides of the bottom of the movable feeding seat.

[0007] According to the above technical solution, the support assembly includes a support box, an electric lifting rod, a lifting seat, a lifting frame and a bottom support bar. The support box is fixedly connected to the left and right sides of the top of the mobile feeding seat, the electric lifting rod is fixedly connected to the bottom of the support box, the electric lifting rod has a telescopic end, the lifting seat is fixedly connected to the telescopic end of the electric lifting rod, the lifting frame is fixedly connected to the front and back of the lifting seat, and the bottom support bar is fixedly connected to the top of the lifting frame.

[0008] According to the above technical solution, the adsorption assembly includes a protective box, a fixed suction cup, a connecting pipe, a spring hose, a fixed plate and an airbag. The protective box is fixedly connected to the top of the support box, the fixed suction cup is fixedly connected to the bottom of the protective box, the connecting pipe is fixedly connected to the bottom of the fixed suction cup, the spring hose is fixedly connected to the bottom of the connecting pipe, the fixed plate is fixedly connected to the front and back of the support box, and the airbag is fixedly connected to the top of the fixed plate.

[0009] According to the above technical solution, the end of the feeding threaded rod away from the output shaft of the driving motor is rotatably connected to the right inner wall of the conveying base, and the middle part of the movable guide ring is slidably connected to the outer side of the movable guide rod.

[0010] According to the above technical solution, there are two lifting frames and two bottom support bars, which are symmetrically distributed on the front and back of the lifting seat. The bottom support bar is made of hard rubber. A sliding groove is provided in the lifting seat, and the lifting seat is slidably connected to the outer wall of the support box through the sliding groove.

[0011] According to the above technical solution, the top of the airbag is fixedly connected to the bottom of the lifting seat, and circular grooves for accommodating spring hoses are opened on the front and rear sides of the lifting seat. The bottom of the spring hose is fixedly connected to the top of the airbag, and the airbag is connected to the connecting pipe through the spring hose.

[0012] According to the above technical solution, the bottom of the fixed suction cup passes through the inner wall of the bottom of the protection box and extends to the bottom of the protection box to be fixedly connected to the connecting pipe, and the fixed suction cup is connected to the inside of the connecting pipe.

[0013] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: in the present invention, when it is necessary to transport the workpiece into the machine body and process it, the workpiece is placed on the top of the protective box, and then the drive motor is controlled to work. When the drive motor is working, the drive motor drives the feeding threaded rod to rotate, so that the ball nut pair rotates on the outside of the feeding threaded rod, and the ball nut pair moves on the outside of the feeding threaded rod. At the same time, the moving guide ring on the lower side of the moving feeding seat at the top of the ball nut pair slides on the outside of the moving guide rod, so that the workpiece on the protective box on the top of the moving feeding seat is moved into the machine body, and the lifting protection door is closed, so that the lifting protection door falls to the left and right sides of the machine body, and the two sides of the machine body are closed, and then the shot blasting machine is started to process the workpiece; Before processing the workpiece, the workpiece is placed on the top of the protective box, and then the electric lifting rod is started. When working, the electric lifting rod controls the lifting seat to rise outside the support box. At the same time, when the lifting seat rises, the lifting frame on the lifting seat is lifted synchronously, so that the bottom support bar on the top of the lifting frame contacts the bottom of the workpiece, and the bottom support bar supports the bottom of the workpiece. Since the lifting frame is a triangular support structure, the bottom support bar on the lifting frame is more stable when supporting the bottom of the workpiece; When the electric lifting rod controls the lifting seat to rise, the lifting seat pulls the airbag at the bottom, so that the airbag is stretched, and negative pressure is generated in the airbag. The negative pressure in the airbag is introduced into the connecting pipe through the spring hose. Since the connecting pipe is connected to the inside of the fixed suction cup, negative pressure is generated in the fixed suction cup. Since the workpiece is placed on the top of the protective box, and the bottom of the workpiece is in contact with the fixed suction cup, the negative pressure generated in the fixed suction cup adsorbs the bottom of the workpiece, so that the fixed suction cup adsorbs and fixes the bottom of the workpiece, avoiding the workpiece from shaking when the projectile hits the workpiece during processing, making the subsequent processing more stable. At the same time, since the lifting frame, the bottom support bar, the protective box and the fixed suction cup are all arranged below the bottom of the workpiece, the projectile cannot directly hit the workpiece when it is processed, so that the life of the device can be guaranteed during use. Since the wear of the conveying device is reduced, the number of maintenance will be reduced accordingly, thereby saving manpower, material and financial resources required for maintenance. Since the lifting frame, bottom support bar, protective box and fixed suction cup are all arranged below the bottom of the workpiece, the projectiles thrown by the shot blasting machine can act on the surface of the workpiece more directly, reducing the energy loss of the projectiles in the transmission process, thereby improving the shot blasting cleaning effect. At the same time, the projectiles do not directly impact the lifting frame, bottom support bar, protective box and fixed suction cup surface, reducing the secondary contamination of the workpiece by debris or particles generated by wear of the lifting frame, bottom support bar, protective box and fixed suction cup, thereby ensuring the cleanliness of the workpiece surface after cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the conveying base of the present invention; Figure 3 It is a schematic diagram of the driving motor of the present invention; Figure 4 It is a schematic diagram of an explosion at a movable guide ring of the present invention; Figure 5 It is a schematic diagram of the air bag of the present invention; Figure 6is a schematic diagram of the interior of the support box of the present invention; Figure 7 It is a schematic diagram of the explosion at the lifting seat of the present invention.

[0015] In the figure: 1. Support foot; 2. Machine body; 3. Shot blasting machine; 4. Feeding assembly; 5. Lifting protection door; 6. Conveying assembly; 601. Conveying base; 602. Driving motor; 603. Feeding threaded rod; 604. Moving guide rod; 605. Ball nut pair; 606. Moving feeding seat; 607. Moving guide ring; 7. Support assembly; 701. Support box; 702. Electric lifting rod; 703. Lifting seat; 704. Lifting frame; 705. Bottom support bar; 8. Adsorption assembly; 801. Protection box; 802. Fixed suction cup; 803. Connecting pipe; 804. Spring hose; 805. Fixed plate; 806. Airbag. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-4 The present invention provides a technical solution: a workpiece conveying device for a shot blasting machine, comprising a supporting foot 1, and also comprising a conveying component 6, a supporting component 7 and an adsorption component 8. The top of the supporting foot 1 is fixedly connected to a body 2, a shot blasting machine 3 is arranged on the top of the body 2, a feeding assembly 4 is arranged on the back of the body 2, and a lifting protective door 5 is arranged on the left and right sides of the body 2.

[0018] Wherein, the conveying component 6 comprises: A conveying base 601 is fixedly connected to the middle of the bottom of the machine body 2, a driving motor 602 is fixedly connected to the middle of the left side of the conveying base 601, the driving motor 602 has an output shaft, the output shaft of the driving motor 602 is fixedly connected to a feeding threaded rod 603, a moving guide rod 604 is fixedly connected to the front and rear sides of the conveying base 601, a ball nut pair 605 is threadedly connected to the outer side of the moving guide rod 604, a moving feeding seat 606 is fixedly connected to the top of the ball nut pair 605, and a moving guide ring 607 is fixedly connected to the front and rear sides of the bottom of the moving feeding seat 606.

[0019] One end of the feeding threaded rod 603 away from the output shaft of the driving motor 602 is rotatably connected to the right inner wall of the conveying base 601 , and the middle part of the movable guide ring 607 is slidably connected to the outer side of the movable guide rod 604 .

[0020] When the workpiece needs to be transported to the inside of the machine body 2 for processing, the workpiece is placed on the top of the protective box 801, and then the drive motor 602 is controlled to work. When the drive motor 602 is working, the drive motor 602 drives the feeding thread rod 603 to rotate, so that the ball nut pair 605 rotates on the outside of the feeding thread rod 603, and the ball nut pair 605 moves on the outside of the feeding thread rod 603. At the same time, the moving guide ring 607 on the lower side of the moving feeding seat 606 on the top of the ball nut pair 605 slides on the outside of the moving guide rod 604, so that the workpiece on the protective box 801 on the top of the moving feeding seat 606 is moved to the inside of the machine body 2, and the lifting protection door 5 is closed, so that the lifting protection door 5 falls to the left and right sides of the machine body 2, and the two sides of the machine body 2 are closed, and then the shot blasting machine 3 is started to process the workpiece.

[0021] See also Figure 1-7 The present invention provides a technical solution: the support assembly 7 includes a support box 701, an electric lifting rod 702, a lifting seat 703, a lifting frame 704 and a bottom support bar 705. The support box 701 is fixedly connected to the left and right sides of the top of the mobile feeding seat 606, the electric lifting rod 702 is fixedly connected to the bottom of the support box 701, the electric lifting rod 702 has a telescopic end, the lifting seat 703 is fixedly connected to the telescopic end of the electric lifting rod 702, the lifting frame 704 is fixedly connected to the front and back of the lifting seat 703, and the bottom support bar 705 is fixedly connected to the top of the lifting frame 704.

[0022] The adsorption assembly 8 includes a protective box 801, a fixed suction cup 802, a connecting pipe 803, a spring hose 804, a fixed plate 805 and an airbag 806. The protective box 801 is fixedly connected to the top of the support box 701, the fixed suction cup 802 is fixedly connected to the bottom of the protective box 801, the connecting pipe 803 is fixedly connected to the bottom of the fixed suction cup 802, the spring hose 804 is fixedly connected to the bottom of the connecting pipe 803, the fixed plate 805 is fixedly connected to the front and back of the support box 701, and the airbag 806 is fixedly connected to the top of the fixed plate 805.

[0023] There are two lifting frames 704 and two bottom support bars 705, which are symmetrically distributed on the front and back of the lifting seat 703. The bottom support bars 705 are made of hard rubber. A sliding groove is provided in the lifting seat 703, and the lifting seat 703 is slidably connected to the outer wall of the support box 701 through the sliding groove.

[0024] The top of the airbag 806 is fixedly connected to the bottom of the lifting seat 703. The front and rear sides of the lifting seat 703 are provided with circular grooves for accommodating the spring hose 804. The bottom of the spring hose 804 is fixedly connected to the top of the airbag 806, and the airbag 806 is connected to the connecting pipe 803 through the spring hose 804.

[0025] The bottom of the fixed suction cup 802 passes through the bottom inner wall of the protection box 801 and extends to the bottom of the protection box 801 to be fixedly connected to the connecting pipe 803 , and the fixed suction cup 802 is connected to the inside of the connecting pipe 803 .

[0026] Before processing the workpiece, the workpiece is placed on the top of the protective box 801, and then the electric lifting rod 702 is started. When working, the electric lifting rod 702 controls the lifting seat 703 to rise on the outside of the support box 701. At the same time, when the lifting seat 703 rises, the lifting frame 704 on the lifting seat 703 is lifted and lowered synchronously, so that the bottom support bar 705 on the top of the lifting frame 704 contacts the bottom of the workpiece, and the bottom support bar 705 supports the bottom of the workpiece. Since the lifting frame 704 is a triangular support structure, the bottom support bar 705 on the lifting frame 704 is more stable when supporting the bottom of the workpiece.

[0027] When the electric lifting rod 702 controls the lifting seat 703 to rise, the lifting seat 703 pulls the airbag 806 at the bottom, so that the airbag 806 is stretched, and negative pressure is generated in the airbag 806. The negative pressure in the airbag 806 is introduced into the connecting pipe 803 through the spring hose 804. Since the connecting pipe 803 and the interior of the fixed suction cup 802 are connected, negative pressure is generated in the fixed suction cup 802. Since the workpiece is placed on the top of the protective box 801, and the bottom of the workpiece is in contact with the fixed suction cup 802, the negative pressure generated in the fixed suction cup 802 adsorbs the bottom of the workpiece. The fixed suction cup 802 is used to adsorb and fix the bottom of the workpiece to prevent the workpiece from shaking when the projectile hits the workpiece during processing, making the subsequent processing more stable. At the same time, since the lifting frame 704, the bottom support bar 705, the protective box 801 and the fixed suction cup 802 are all arranged below the bottom of the workpiece, the projectile cannot directly hit the workpiece when the workpiece is being processed, so that the life of the device can be guaranteed during use. Since the wear of the conveying device is reduced, the number of maintenance times will also be reduced accordingly, thereby saving manpower, material and financial resources required for maintenance.

[0028] Since the lifting frame 704, the bottom support bar 705, the protective box 801 and the fixed suction cup 802 are all arranged below the bottom of the workpiece, the projectiles thrown by the shot blasting machine 3 can act on the surface of the workpiece more directly, reducing the energy loss of the projectiles during the transmission process, thereby improving the shot blasting cleaning effect. At the same time, the projectiles do not directly impact the surface of the lifting frame 704, the bottom support bar 705, the protective box 801 and the fixed suction cup 802, reducing the secondary contamination of the workpiece by debris or particles generated by wear of the lifting frame 704, the bottom support bar 705, the protective box 801 and the fixed suction cup 802, thereby ensuring the cleanliness of the workpiece surface after cleaning.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A workpiece conveying device for a shot blasting machine, comprising a support foot (1), characterized in that: It also includes a conveying component (6), a supporting component (7) and an adsorption component (8), wherein the top of the supporting foot (1) is fixedly connected to the body (2), a shot blasting machine (3) is arranged on the top of the body (2), a feeding assembly (4) is arranged on the back of the body (2), and lifting protection doors (5) are arranged on the left and right sides of the body (2); Wherein, the conveying component (6) comprises: A conveying base (601) is fixedly connected to the middle of the bottom of the machine body (2); a driving motor (602) is fixedly connected to the middle of the left side of the conveying base (601); the driving motor (602) has an output shaft; the output shaft of the driving motor (602) is fixedly connected to a feeding threaded rod (603); a moving guide rod (604) is fixedly connected to the front and rear sides of the conveying base (601); a ball nut pair (605) is threadedly connected to the outer side of the moving guide rod (604); a moving feeding seat (606) is fixedly connected to the top of the ball nut pair (605); and a moving guide ring (607) is fixedly connected to the front and rear sides of the bottom of the moving feeding seat (606).

2. A workpiece conveying device for a shot blasting machine according to claim 1, characterized in that: The support assembly (7) comprises a support box (701), an electric lifting rod (702), a lifting seat (703), a lifting frame (704) and a bottom support bar (705); the support box (701) is fixedly connected to the left and right sides of the top of the movable feeding seat (606); the electric lifting rod (702) is fixedly connected to the bottom of the support box (701); the electric lifting rod (702) has a telescopic end; the lifting seat (703) is fixedly connected to the telescopic end of the electric lifting rod (702); the lifting frame (704) is fixedly connected to the front and back sides of the lifting seat (703); and the bottom support bar (705) is fixedly connected to the top of the lifting frame (704).

3. A workpiece conveying device for a shot blasting machine according to claim 2, characterized in that: The adsorption assembly (8) comprises a protection box (801), a fixed suction cup (802), a connecting pipe (803), a spring hose (804), a fixing plate (805) and an air bag (806); the protection box (801) is fixedly connected to the top of the support box (701); the fixed suction cup (802) is fixedly connected to the bottom of the protection box (801); the connecting pipe (803) is fixedly connected to the bottom of the fixed suction cup (802); the spring hose (804) is fixedly connected to the bottom of the connecting pipe (803); the fixing plate (805) is fixedly connected to the front and back of the support box (701); and the air bag (806) is fixedly connected to the top of the fixing plate (805).

4. A workpiece conveying device for a shot blasting machine according to claim 3, characterized in that: The end of the feeding threaded rod (603) away from the output shaft of the driving motor (602) is rotatably connected to the right inner wall of the conveying base (601), and the middle part of the movable guide ring (607) is slidably connected to the outer side of the movable guide rod (604).

5. A workpiece conveying device for a shot blasting machine according to claim 4, characterized in that: The lifting frames (704) and the bottom support bars (705) are both provided in two numbers, and the two lifting frames (704) and the bottom support bars (705) are symmetrically distributed on the front and back sides of the lifting seat (703). The bottom support bars (705) are made of hard rubber. A sliding groove is provided in the lifting seat (703), and the lifting seat (703) is slidably connected to the outer wall of the support box (701) via the sliding groove.

6. A workpiece conveying device for a shot blasting machine according to claim 5, characterized in that: The top of the airbag (806) is fixedly connected to the bottom of the lifting seat (703); circular grooves for accommodating a spring hose (804) are provided on the front and rear sides of the lifting seat (703); the bottom of the spring hose (804) is fixedly connected to the top of the airbag (806); and the airbag (806) is connected to the inside of the connecting pipe (803) via the spring hose (804).

7. A workpiece conveying device for a shot blasting machine according to claim 6, characterized in that: The bottom of the fixed suction cup (802) penetrates the bottom inner wall of the protection box (801) and extends to the bottom of the protection box (801) to be fixedly connected to the connecting pipe (803), and the fixed suction cup (802) is connected to the inside of the connecting pipe (803).

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