Casting shot blasting lifting appliance

Abstract

The utility model discloses a casting shot blasting lifting appliance which comprises a chassis, a lifting rod arranged at the upper end of the chassis, a plurality of bearing assemblies which are in clearance fit with the lifting rod and are arranged at intervals in the height direction of the lifting rod, limiting assemblies which are detachably connected with the lifting rod and are used for limiting the positions of the bearing assemblies in a one-to-one correspondence manner, and a lifting hook arranged at the upper end of the lifting rod, the axis of the suspender and the axis of the chassis are located on the same straight line. The position of the bearing assembly can be adjusted in the height direction of the suspender. The bearing assembly comprises a connecting sleeve in clearance fit with the lifting rod, a plurality of bearing hanging rods and a plurality of inclined limiting rods, wherein the first ends of the bearing hanging rods are connected with the connecting sleeve, and the bearing hanging rods are arranged around the periphery of the connecting sleeve at intervals and used for bearing castings. The inclined limiting rods are used for limiting the positions of the castings to prevent the castings from being separated from the bearing hanging rods, the castings are hung on the lifting appliance at intervals, the adjacent castings cannot be attached together to form shielding during shot blasting, shots of a shot blasting machine can make full contact with the castings conveniently, and the finished product quality is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of casting processing tools, and particularly relates to a shot blasting sling for castings. Background Technique

[0002] When producing slider castings for marine engines, a shot blasting machine is needed to process the castings. High-speed shot is thrown onto the surface of the metal castings, and relying on a strong impact force, scale, adhered sand and other impurities on the surface of the castings are removed, the surface roughness of the castings is changed, and the surface quality of the castings is improved.

[0003] Since the slider casting has a circular cavity, and small and medium-sized enterprises are restricted by production conditions, usually a hanging chain is directly passed through the circular cavity, so that several castings are strung on the hanging chain and then enter the shot blasting machine for processing. However, in this way of lifting the castings for shot blasting processing, because the castings are provided with circular cavities, the castings are likely to slide together, resulting in the shot not being able to hit, causing poor appearance and affecting the product quality. Content of the Utility Model

[0004] Aiming at the technical problem that when using a hanging chain to lift castings for shot blasting processing in the prior art, the parts are likely to slide together, and some areas of the parts cannot contact the shot, affecting the quality of the finished product, the utility model provides a shot blasting sling for castings.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A shot blasting sling for castings, comprising a chassis, a suspension rod arranged at the upper end of the chassis, a plurality of bearing components which are in clearance fit with the suspension rod and are arranged at intervals along the height direction of the suspension rod, a limiting component which is detachably connected to the suspension rod and is used to limit the positions of the bearing components one by one, and a hook arranged at the upper end of the suspension rod. The axis of the suspension rod and the axis of the chassis are on the same straight line. The bearing components can adjust their positions along the height direction of the suspension rod. The bearing components include a connecting sleeve which is in clearance fit with the suspension rod, a plurality of bearing hanging rods whose first ends are connected to the connecting sleeve and are arranged at intervals around the outer periphery of the connecting sleeve for bearing castings, and a plurality of inclined limiting rods which are respectively connected to the second ends of the bearing hanging rods. The inclined limiting rods are used to limit the positions of the castings to prevent the castings from separating from the bearing hanging rods.

[0007] Further, the included angle between the bearing hanging rod and the inclined limiting rod is an obtuse angle.

[0008] Further, a first arc-shaped reinforcing rod is fixedly connected between every two adjacent bearing hanging rods, and the centers of all the first arc-shaped reinforcing rods are located on the axis of the suspension rod.

[0009] Further, the connection position of the second end of the load-bearing hanging rod to the connection with the first arc-shaped reinforcing rod is defined as a load-bearing section, and at least one limiting portion is provided on each load-bearing section. The limiting portion is a cylindrical protrusion arranged concentrically with the load-bearing hanging rod, and the outer diameter of the limiting portion is greater than the outer diameter of the load-bearing hanging rod.

[0010] Further, the outer surfaces of all the limiting portions are covered with an anti-slip layer.

[0011] Further, a plurality of the load-bearing hanging rods are arranged at equal intervals along the connecting sleeve. In the top-down orthographic projection plane, each adjacent pair of the load-bearing hanging rods forms a V-shaped structure, and the end with the largest opening of the V-shaped structure is far away from the connecting sleeve.

[0012] Further, the limiting assembly includes a first limiting clamping plate and a second limiting clamping plate distributed below the connecting sleeve, a plurality of limiting screw rods movably connected to the first limiting clamping plate and the second limiting clamping plate, and a limiting nut screwed to the limiting screw rod; a clamping groove is formed on the side walls of the first limiting clamping plate and the second limiting clamping plate, and the two clamping grooves can be combined into a clamping channel for clamping the hanging rod; two sleeve holes are respectively formed on the first limiting clamping plate and the second limiting clamping plate and located on both sides of the clamping groove, the limiting screw rod is sleeved in the sleeve hole, and the first limiting clamping plate and the second limiting clamping plate are locked by screwing the limiting nut on the limiting screw rod.

[0013] Further, the hook is screwed to the upper end of the hanging rod.

[0014] Further, the chassis includes a plurality of bottom rods, a plurality of second arc-shaped reinforcing rods, and a bottom ring that are spaced around the outer circumference of the hanging rod. The first end of the bottom rod is fixedly connected to the hanging rod, and the second end is fixedly connected to the inner wall of the bottom ring, and the bottom ring is concentric with the hanging rod. The plurality of bottom rods arranged at equal intervals can divide the inner space of the bottom ring into several equal-sector spaces. The plurality of second arc-shaped reinforcing rods are respectively distributed in the sector spaces, and both ends of the second arc-shaped reinforcing rods are fixedly connected to the corresponding bottom rods. The centers of all the second arc-shaped reinforcing rods are located on the axis of the hanging rod.

[0015] Further, a reinforcing mechanism connected to the hanging rod is fixedly connected to the upper end of the bottom rod. The reinforcing mechanism includes a reinforcing column fixedly connected to the outer circumference of the hanging rod and having an outer diameter greater than that of the hanging rod, and a plurality of reinforcing side plates. The reinforcing column is concentric with the hanging rod, and the lower ends of all the reinforcing side plates are respectively connected to the plurality of bottom rods.

[0016] In summary, the beneficial effects of the present utility model are as follows: First, the slider casting with a circular cavity is no longer strung together by a hanging chain for shot blasting processing, but is hung on the bearing hanging rod at intervals one by one. During processing, adjacent castings will not lean against each other to form a shield, enabling the shot to fully contact the castings and improving the product quality. Second, multiple castings can be hung on the same lifting tool, and each casting is evenly spaced, with high shot blasting uniformity and efficiency. Third, the bearing assembly can adjust its position along the height direction of the hanging rod according to the size of the casting, with strong versatility. After adjusting to the appropriate position, the position of the bearing assembly is restricted by the limiting assembly, and the structure of the limiting assembly is simple, and the disassembly and assembly are convenient and fast. Fourth, between the chassis and the hanging rod, through the reinforcing mechanism, the support strength of the lifting tool is further enhanced, which helps to extend the service life of the lifting tool. Brief Description of the Drawings

[0017] Figure 1 is a schematic structural diagram of a casting shot blasting lifting tool provided by the present utility model.

[0018] Figure 2 is Figure 1 a partial enlarged view of part A in

[0019] Figure 3 is Figure 1 a partial enlarged view of part B in

[0020] Figure 4 is a schematic structural diagram of the lifting tool carrying the casting in the present utility model.

[0021] Figure 5 is a schematic structural diagram of the limiting assembly in the present utility model.

[0022] In the figure, 100 - chassis, 110 - bottom rod, 120 - second arc-shaped reinforcing rod, 130 - bottom ring, 140 - fan-shaped space, 200 - hanging rod, 300 - bearing assembly, 310 - connecting sleeve, 320 - bearing hanging rod, 321 - limiting part, 330 - inclined limiting rod, 340 - first arc-shaped reinforcing rod, 400 - limiting assembly, 410 - first limiting clamping plate, 420 - second limiting clamping plate, 430 - limiting screw rod, 440 - limiting nut, 450 - clamping channel, 500 - hook, 600 - reinforcing mechanism, 610 - reinforcing column, 620 - reinforcing side plate, 700 - casting, 710 - circular cavity. Detailed Embodiment

[0023] The present utility model will be further elaborated below with reference to specific illustrations.

[0024] The slider casting 700 of a marine engine includes a circular cavity 710 penetrating through the casting 700.

[0025] Please refer to Figure 1, the present utility model provides a shot blasting sling for castings, which includes a chassis 100, a suspension rod 200 arranged at the upper end of the chassis 100, a plurality of bearing components 300 that are in clearance fit with the suspension rod 200 and are arranged at intervals along the height direction of the suspension rod 200, a limit component 400 that is detachably connected to the suspension rod 200 and is used to limit the positions of the bearing components 300 one by one, and a hook 500 arranged at the upper end of the suspension rod 200. The axis of the suspension rod 200 and the axis of the chassis 100 are on the same straight line, and the bearing component 300 can adjust its position along the height direction of the suspension rod 200. Please refer to Figure 2 , the bearing component 300 includes a connecting sleeve 310 that is in clearance fit with the suspension rod 200, a plurality of bearing hanging rods 320 whose first ends are connected to the connecting sleeve 310 and are arranged at intervals around the outer periphery of the connecting sleeve 310 for bearing the casting 700, and a plurality of inclined limiting rods 330 that are respectively connected to the second ends of the bearing hanging rods 320. The inclined limiting rods 330 are used to limit the position of the casting 700 to prevent the casting 700 from separating from the bearing hanging rods 320. A plurality of bearing components 300 are arranged at intervals on the suspension rod 200, and each bearing component 300 includes a plurality of bearing hanging rods 320. After the bearing hanging rods 320 pass through the circular cavity 710 of the casting 700, the casting 700 is hung on the bearing hanging rods 320. The inclined limiting rods 330 can prevent the casting 700 from detaching from the bearing hanging rods 320. Then, by connecting the hook 500 with the hoisting device, the sling is suspended in the shot blasting machine for processing. Each casting 700 is separately hung. During the shot blasting process, adjacent castings 700 will not slide together and lean against each other to form an obstruction, and the shot can fully contact the casting 700, improving the finished product quality.

[0026] The chassis 100 includes a plurality of bottom rods 110 that are distributed at intervals around the outer periphery of the suspension rod 200, a plurality of second arc-shaped reinforcing rods 120, and a bottom ring 130 connected to the bottom rods 110. The first ends of the bottom rods 110 are fixedly connected to the suspension rod 200, and the second ends are fixedly connected to the inner wall of the bottom ring 130. And the bottom ring 130 and the suspension rod 200 are concentrically arranged. The plurality of bottom rods 110 arranged at equal intervals can divide the inner space of the bottom ring 130 into several equal-sector spaces 140. The plurality of second arc-shaped reinforcing rods 120 are respectively distributed in the sector spaces 140, and both ends of the second arc-shaped reinforcing rods 120 are fixedly connected to the corresponding bottom rods 110. The centers of all the second arc-shaped reinforcing rods 120 are located on the axis of the suspension rod 200. The plurality of second arc-shaped reinforcing rods 120 can increase the support strength of the chassis 100, and such a chassis 100 is easier to manufacture.

[0027] Please refer to Figure 3, a reinforcing mechanism 600 connected to the hanging rod 200 is fixedly connected to the upper end of the bottom rod 110. The reinforcing mechanism 600 includes a reinforcing column 610 fixedly connected to the outer periphery of the hanging rod 200 and having an outer diameter larger than that of the hanging rod 200, and a plurality of reinforcing side plates 620. The reinforcing column 610 is concentric with the hanging rod 200, and the lower ends of all the reinforcing side plates 620 are connected to the corresponding bottom rods 110 one by one. The reinforcing side plates 620 are preferably right-angled triangular plates with strong stability. The vertical surface of the reinforcing side plate 620 is connected to the side wall of the reinforcing column 610, and the horizontal opposite surface is connected to the bottom rod 110. After the reinforcing mechanism 600 is connected to the hanging rod 200 and the bottom rod 110, the supporting ability at the bottom of the chassis 100 is further enhanced, and it is more stable when carrying the casting 700 and not easily deformed.

[0028] The hook 500 is screwed to the upper end of the hanging rod 200, which is convenient for disassembling the load-bearing assembly 300 and the hanging rod 200 and facilitating replacement in case of damage. Or, for the overall support strength of the lifting tool, the hook 500 and the hanging rod 200 can also be connected in a fixed connection manner.

[0029] A plurality of the load-bearing hanging rods 320 are arranged at equal intervals along the connecting sleeve 310, and the castings 700 hung on the load-bearing hanging rods 320 are evenly distributed, and the gaps are uniform, which is more convenient for shot blasting processing.

[0030] In the top-down orthographic projection plane, every two adjacent load-bearing hanging rods 320 form a V-shaped structure, and the end with the largest opening of the V-shaped structure is far from the connecting sleeve 310. The distance between the second ends of adjacent load-bearing hanging rods 320 is relatively large, which can avoid mutual interference when hanging the castings 700.

[0031] The included angle between the load-bearing hanging rod 320 and the inclined limiting rod 330 is an obtuse angle. When hanging the casting 700, after the load-bearing hanging rod 320 and the inclined limiting rod 330 pass through the circular cavity 710 together, the casting 700 is hung on the load-bearing hanging rod 320, and the inclined limiting rod 330 limits the workpiece in front of the hung casting 700 to prevent the casting 700 from detaching from the load-bearing hanging rod 320.

[0032] A first arc-shaped reinforcing rod 340 is fixedly connected between every two adjacent load-bearing hanging rods 320, and the centers of all the first arc-shaped reinforcing rods 340 are located on the axis of the hanging rod 200. The function of the first arc-shaped reinforcing rod 340 is to enhance the support strength of the load-bearing hanging rod 320.

[0033] The second end of the load-bearing hanging rod 320 to the connection position connected to the first arc-shaped reinforcing rod 340 is defined as a load-bearing section. At least one limiting portion 321 is provided on each load-bearing section. The limiting portion 321 is a cylindrical protrusion arranged concentrically with the load-bearing hanging rod 320, and the outer diameter of the limiting portion 321 is greater than the outer diameter of the load-bearing hanging rod 320. The limiting portion 321 can divide the load-bearing section into at least two independent hanging sections. Therefore, at least two castings 700 can be suspended simultaneously on the same load-bearing section, reasonably utilizing the use position of the load-bearing hanging rod 320, increasing the space utilization rate, enabling more castings 700 to be carried on the same lifting tool for processing, and improving production efficiency. Since there is a gap between the castings 700 hung on the load-bearing hanging rod 320, when the limiting portion 321 divides the load-bearing section into independent hanging sections, please refer to Figure 4 , the hanging section close to the suspension rod 200 can be used to hang castings 700 with the same shape but smaller sizes, while the hanging section far from the suspension rod 200 is used to hang castings 700 with larger sizes. Such a hanging method facilitates the load-bearing hanging rod 320 to hang more castings 700, and the workpieces on the same load-bearing hanging rod 320 will not lean against each other. Therefore, the shot blasted from different angles by the shot blasting machine can fully contact each casting 700 to complete the shot blasting process.

[0034] The limiting portion 321 can also be a protrusion protruding from the outer surface of the load-bearing section away from the outer surface of the load-bearing section, which can also play a role in limiting the workpiece.

[0035] The outer surfaces of all the limiting portions 321 are covered with an anti-slip layer. The anti-slip layer is preferably made of silicone or rubber material, which increases the hanging stability when the casting 700 comes into contact with the anti-slip layer.

[0036] Please refer to Figure 5, the limiting component 400 includes a first limiting clamping plate 410 and a second limiting clamping plate 420 distributed below the connecting sleeve 310, a plurality of limiting screw rods 430 movably connected to the first limiting clamping plate 410 and the second limiting clamping plate 420, and a limiting nut 440 screwed to the limiting screw rods 430. A clamping groove is formed on the side walls of both the first limiting clamping plate 410 and the second limiting clamping plate 420, and the two clamping grooves can be combined into a clamping channel 450 for clamping the hanging rod 200. Two sleeve holes are respectively formed on the first limiting clamping plate 410 and the second limiting clamping plate 420 on both sides of the clamping groove. The limiting screw rods 430 are sleeved in the sleeve holes and are screwed to the limiting screw rods 430 through the limiting nuts 440 to lock the first limiting clamping plate 410 and the second limiting clamping plate 420. After the casting 700 is hung on the load-bearing hanging rod 320, due to the self-weight of the casting 700, the load-bearing component 300 will not easily move upward, and the limiting component 400 restricts the downward movement of the load-bearing component 300. The load-bearing component 300 with a clearance fit with the hanging rod 200 can adjust its position along the height direction of the hanging rod 200, and the movable load-bearing component 300 can adjust the appropriate spacing according to the size of the casting 700 to cooperate with the processing. When adjusting the spacing of the load-bearing component 300, the limiting nut 440 is separated from the limiting screw rod 430, and the first limiting clamping plate 410 and the second limiting clamping plate 420 can be separated from each other, so that the connecting sleeve 310 can adjust its position along the hanging rod 200.

[0037] This sling: First, the slider casting 700 with a circular cavity 710 is no longer strung together by a sling chain for shot blasting processing, but is hung on the load-bearing hanging rod 320 at intervals one by one. During processing, adjacent castings 700 will not touch each other to form an obstruction, so that the shot can fully contact the castings 700, improving the product quality. Second, multiple castings 700 can be hung on the same sling, and the castings 700 are evenly spaced, with high shot blasting efficiency. Third, the load-bearing component 300 can adjust its position along the height direction of the hanging rod 200 according to the size of the casting 700, with strong versatility. After adjusting to the appropriate position, the position of the load-bearing component 300 is restricted by the limiting component 400, and the structure of the limiting component 400 is simple, and the disassembly and assembly are convenient and fast. Fourth, between the chassis 100 and the hanging rod 200, through the reinforcement mechanism 600, the support strength of the sling is further enhanced, which helps to extend the service life of the sling.

[0038] The above is only the implementation mode of the present invention, and does not limit the patent scope of the present invention accordingly. Any equivalent structure made by using the specification and drawings of the present invention, directly or indirectly applied in other related technical fields, is equally within the patent protection scope of the present invention.

Claims

1. A casting shot blasting sling, characterized in that: It includes a chassis, a suspension rod arranged at the upper end of the chassis, a number of load-bearing components that are in clearance fit with the suspension rod and are arranged at intervals along the height direction of the suspension rod, a limit component that is detachably connected to the suspension rod for correspondingly limiting the positions of the load-bearing components one by one, and a hook arranged at the upper end of the suspension rod. The axis of the suspension rod and the axis of the chassis are on the same straight line. The load-bearing components can adjust their positions along the height direction of the suspension rod. The load-bearing components include a connecting sleeve that is in clearance fit with the suspension rod, a number of load-bearing hanging rods whose first ends are connected to the connecting sleeve and are arranged at intervals around the outer circumference of the connecting sleeve for carrying castings, and a number of inclined limit rods that are correspondingly connected to the second ends of the load-bearing hanging rods. The inclined limit rods are used to limit the position of the castings to prevent the castings from separating from the load-bearing hanging rods.

2. The shot blasting sling for castings according to claim 1, characterized in that: The included angle between the load-bearing hanging rod and the inclined limit rod is an obtuse angle.

3. The shot blasting sling for castings according to claim 1, characterized in that: A first arc-shaped reinforcing rod is fixedly connected between every two adjacent load-bearing hanging rods, and the centers of all the first arc-shaped reinforcing rods are located on the axis line of the suspension rod.

4. The shot blasting sling for castings according to claim 3, characterized in that: The second end of the load-bearing hanging rod to the connection position connected to the first arc-shaped reinforcing rod is defined as a load-bearing section, and at least one limit part is arranged on each load-bearing section. The limit part is a cylindrical protrusion arranged concentrically with the load-bearing hanging rod, and the outer diameter of the limit part is larger than the outer diameter of the load-bearing hanging rod.

5. The shot blasting sling for castings according to claim 4, characterized in that: The outer surfaces of all the limit parts are covered with an anti-slip layer.

6. The shot blasting spreader for castings according to claim 1, characterized in that: A number of the load-bearing hanging rods are arranged at equal intervals along the connecting sleeve. In the top-down orthographic projection plane, every two adjacent load-bearing hanging rods form a V-shaped structure, and the end with the largest opening of the V-shaped structure is far from the connecting sleeve.

7. The shot blasting sling for castings according to claim 1, characterized in that: The limit component includes a first limit clamping plate and a second limit clamping plate distributed below the connecting sleeve, a number of limit screw rods movably connected to the first limit clamping plate and the second limit clamping plate, and limit nuts screwed onto the limit screw rods. Clamping grooves are formed on the side walls of the first limit clamping plate and the second limit clamping plate, and the two clamping grooves can be combined into a clamping channel for clamping the suspension rod. Two sleeve holes are respectively arranged on the first limit clamping plate and the second limit clamping plate on both sides of the clamping groove. The limit screw rods are sleeved in the sleeve holes and are screwed onto the limit screw rods through the limit nuts to lock the first limit clamping plate and the second limit clamping plate.

8. The shot blasting spreader for castings according to claim 1, characterized in that: The hook is screwed onto the upper end of the suspension rod.

9. The shot blasting sling for castings according to any one of claims 1-8, characterized in that: The chassis includes a number of bottom rods spaced around the outer circumference of the suspension rod, a number of second arc-shaped reinforcing rods, and a bottom ring connected to the bottom rods. The first end of the bottom rod is fixedly connected to the suspension rod, and the second end is fixedly connected to the inner wall of the bottom ring. The bottom ring and the suspension rod are concentrically arranged. A number of equally spaced bottom rods can divide the internal space of the bottom ring into several equal-sector spaces. A number of the second arc-shaped reinforcing rods are correspondingly distributed in the sector spaces, and both ends of the second arc-shaped reinforcing rods are fixedly connected to the corresponding bottom rods. The centers of all the second arc-shaped reinforcing rods are located on the axis line of the suspension rod.

10. The casting shot blasting sling according to claim 9, wherein: A reinforcing mechanism connected to the hanging rod is fixedly connected to the upper end of the bottom rod. The reinforcing mechanism includes a reinforcing column fixedly connected to the outer periphery of the hanging rod and having an outer diameter larger than that of the hanging rod, and a plurality of reinforcing side plates. The reinforcing column is concentric with the hanging rod, and the lower ends of all the reinforcing side plates are respectively connected to the corresponding bottom rods.

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