Workpiece riser removing device

Abstract

The utility model discloses a workpiece dead head removing device which comprises a base plate, universal wheels are arranged at the bottom of the base plate, a cylinder body of an impact mechanism is hoisted on the top face of the base plate through a lifting frame assembly, an impact rod in the cylinder body is connected with an adapter of a hammer head assembly, and the hammer head assembly can be matched with form relieved teeth of an excavator and a pallet fork of a forklift by replacing the adapter. A pushing handle assembly is arranged at the tail of the base plate, and an anti-collision rod of the pushing handle assembly is matched with the tail of the cylinder body. According to the device, the hammer head assembly is driven by the impact mechanism to remove the risers on the workpieces, the hammer head assembly can be rapidly disassembled, assembled, replaced and adjusted in height, the device can be matched with engineering equipment such as an excavator and a forklift to remove special risers, the device has the advantages of being efficient, capable of saving labor and high in applicability, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pouring equipment, in particular to a workpiece riser removal device. Background Art

[0002] Riser refers to the cavity in the casting mold that stores molten metal for shrinkage-compensating castings. Its main functions are shrinkage compensation, exhaust and slag collection, etc. It can prevent defects such as shrinkage cavities and shrinkage porosity in castings and improve the quality and mechanical properties of castings. Riser has different forms, sizes and opening positions according to different design functions, but they all need to be removed after the workpiece is cast. At present, the main way to remove risers in the casting industry is to remove them by hammering, but this method requires a lot of manpower and is labor-intensive, and is often accompanied by harmful factors such as high temperature and dust; risers can also be removed by molybdenum wire cutting, but this method is expensive and can only be used for castings that cannot be welded, otherwise it may cause deformation of cast iron parts. Therefore, a new removal device is needed to solve the above problems. Utility Model Content

[0003] In order to solve the above problems, the utility model proposes a workpiece riser removal device, including a base plate, a universal wheel is provided at the bottom of the base plate, the top surface of the base plate is hoisted with a cylinder body of the impact mechanism through a liftable hanger assembly, the impact rod in the cylinder body is connected to the adapter of the hammer head assembly, and the hammer head assembly can be adapted to the shovel teeth of the excavator and the fork of the forklift by replacing the adapter, and a push handle assembly is provided at the rear end of the base plate, and the anti-collision rod of the push handle assembly cooperates with the rear end of the cylinder body.

[0004] Furthermore, the impact mechanism includes a three-way valve, which is built into the transfer chamber at the rear end of the cylinder body. The input end of the three-way valve is connected to the external high-pressure air circuit through the elbow at the bottom of the cylinder body. The two output ends of the three-way valve are respectively connected to the exhaust hole at the top of the cylinder body and the working chamber at the front end of the cylinder body. The working chamber is slidably connected to the piston, the piston is connected to the end of the impact rod, the head end of the impact rod passes through the head of the cylinder body and is threadedly connected to the adapter, and the impact rod body is covered with a reset spring.

[0005] Furthermore, the hanger assembly includes a sleeve, which is symmetrically distributed vertically upward on both sides of the base plate and reinforced by oblique support rods. The sleeve is slidably connected to the lifting rod. The limit bolts on the sleeve can be inserted into the row of holes of the lifting rod for limiting. The top of the lifting rod is connected to the cross beam, and the two cross beams are connected by two connecting rods. The connecting rod body is connected to one end of the steel cable, and the other end of the steel cable is connected to the locking sleeve on the top of the cylinder body.

[0006] Furthermore, the hammer head assembly includes a striking hammer, a connecting groove is opened on the bottom surface of the striking hammer, the head length of the striking hammer is 50-170mm, the front end size of the head is larger than the tail end size, the striking surface of the head is an arc surface with a radius of 0-2, the head and the tail of the striking hammer are transitioned by a circular arc concave surface with a radius of 0-2, the length of the tail is 40-140mm, and a countersunk screw hole connected to the connecting groove is opened on the end face of the tail, and the bolt in the countersunk screw hole will fix the adapter inserted into the connecting groove.

[0007] Furthermore, the push handle assembly includes a rearward curved side plate, which is arranged on both sides of the rear end of the base plate surface, the middle of the two rearward curved side plates is connected to the anti-collision rod, the anti-collision rod and the rear of the cylinder body are wrapped with buffer material, and the ends of the two rearward curved side plates are connected to the push rod.

[0008] The beneficial effects of the utility model are as follows: the utility model drives the hammer head assembly to remove the riser on the workpiece through the impact mechanism, the anti-collision rod arranged in the device can protect the workers from being hit by the rebounding cylinder during operation, the hammer head assembly in the device can be quickly disassembled, replaced and adjusted in height, and can be adapted to excavators, forklifts and other engineering equipment to remove special risers. It has the characteristics of high efficiency, labor saving and strong applicability, and reduces the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a front view structural schematic diagram of the utility model;

[0010] Figure 2 It is a schematic diagram of the top structure of the utility model.

[0011] The description of the accompanying drawings is as follows: 1. Base plate; 101. Universal wheel; 2. Cylinder body; 201. Transfer chamber; 202. Elbow; 203. Exhaust hole; 204. Working chamber; 205. Lock sleeve; 3. Impact rod; 4. Adapter; 5. Anti-collision rod; 6. Three-way valve; 7. Piston; 8. Return spring; 9. Sleeve; 901. Oblique support rod; 902. Limit bolt; 10. Lifting rod; 1001. Row of holes; 11. Crossbeam; 12. Connecting rod; 13. Steel cable; 14. Percussion hammer; 1401. Connecting groove; 15. Rear bent side plate; 16. Push rod. DETAILED DESCRIPTION

[0012] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0013] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0014] The utility model is further described below in conjunction with the accompanying drawings:

[0015] like Figure 1 and Figure 2 As shown, a workpiece riser removal device includes a base plate 1, a universal wheel 101 is provided at the bottom of the base plate 1, a liftable hanger assembly is provided on the top surface of the base plate 1, the hanger assembly includes a sleeve 9, the sleeves 9 are vertically and symmetrically distributed on both sides of the base plate 1, and are reinforced by oblique support rods 901, a lifting rod 10 is slidably connected in the sleeve 9, and the limiting bolts 902 on the sleeve 9 can be inserted into the row holes 1001 of the lifting rod 10 for limiting, the top of the lifting rod 10 is connected to a cross beam 11, and the two cross beams 11 are connected by two connecting rods 12, the connecting rod 12 is connected to one end of a steel cable 13, and the other end of the steel cable 13 is connected to a locking sleeve 205 at the top of the cylinder 2 in the impact mechanism.

[0016] In this embodiment, the impact mechanism includes a three-way valve 6, which is built into the transfer chamber 201 at the tail end of the cylinder body 2. The input end of the three-way valve 6 is connected to the external high-pressure gas circuit through the elbow 202 at the bottom of the cylinder body 2. The two output ends of the three-way valve 6 are respectively connected to the exhaust hole 203 at the top of the cylinder body 2 and the working chamber 204 at the front end of the cylinder body 2. The working chamber 204 is slidably connected to the piston 7, and the piston 7 is connected to the end of the impact rod 3. The rod body of the impact rod 3 is covered with a reset spring 8. The head end of the impact rod 3 passes through the head of the cylinder body 2 and is threadedly connected to the adapter 4 in the hammer assembly. The hammer head assembly includes a striking hammer 14, a connecting groove 1401 is opened on the bottom surface of the striking hammer 14, the head length of the striking hammer 14 is 50-170mm, the front end size of the head is larger than the tail end size, the striking surface of the head is an arc surface with a radius of 0-2, the head and the tail of the striking hammer 14 are transitioned through a circular arc concave surface with a radius of 0-2, the length of the tail is 40-140mm, and a countersunk screw hole connected to the connecting groove 1401 is opened on the end surface of the tail, and the bolt in the countersunk screw hole fixes the adapter 4 inserted into the connecting groove 1401.

[0017] In this embodiment, the hammer head assembly can be adapted to the shovel teeth of the excavator and the fork of the forklift by replacing the adapter 4, so that the shovel and the fork can be used to assist in knocking out the risers in special positions. A push handle assembly is provided at the tail of the base plate 1, and the push handle assembly includes a rearward curved side plate 15, which is arranged on both sides of the tail end of the plate surface of the base plate 1. The middle parts of the two rearward curved side plates 15 are connected to the anti-collision rod 5, and the anti-collision rod 5 and the tail of the cylinder body 2 are wrapped with cushioning materials. The ends of the two rearward curved side plates 15 are connected to the push rod 16.

[0018] The working principle of the utility model is as follows:

[0019] The substrate is pushed to the vicinity of the workpiece whose riser is to be removed by the push handle assembly, and the lifting rod 10 is adjusted to a suitable height so that the knocking hammer 14 is directly opposite the riser position of the workpiece, and the pipeline between the input end of the three-way valve 6 and the output end leading to the working chamber 204 is opened. High-pressure gas is introduced into the working chamber 204 to push the piston 7 to squeeze the reset spring 8 forward. In this process, the knocking hammer 14 knocks the riser forward, and the tail of the cylinder body 2 that rebounds backward after the knocking is buffered by the anti-collision rod 5. Then, the input end of the three-way valve 6 is closed, and the output end of the three-way valve 6 leading to the exhaust hole 203 is opened, and the high-pressure gas is discharged from the exhaust hole 203. After the pressure is released, under the action of the reset spring 8, the knocking hammer 14 is reset and waits for the next knock. When a riser in a special position is difficult to knock out, the hammer assembly is unscrewed from the head end of the impact rod 3, and the adapter 4 of the percussion hammer 14 is replaced to match the excavator shovel teeth or forks, and the hammer assembly is installed on the excavator or forklift, so that the riser can be knocked out from other directions using the excavator shovel or fork. The device drives the hammer assembly to remove the riser on the workpiece through the impact mechanism. The hammer assembly can be quickly disassembled, replaced and adjusted in height, and can be adapted to excavators, forklifts and other engineering equipment to remove special risers. It has the characteristics of high efficiency, labor saving and strong applicability, and reduces the labor intensity of workers.

[0020] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A workpiece riser removal device, comprising a substrate (1), characterized in that: The bottom of the base plate (1) is provided with a universal wheel (101); the top surface of the base plate (1) is used to hoist the cylinder body (2) of the impact mechanism via a liftable hanger assembly; the impact rod (3) in the cylinder body (2) is connected to the adapter (4) of the hammer head assembly; the hammer head assembly can be adapted to the shovel teeth of an excavator and the fork of a forklift by replacing the adapter (4); the rear of the base plate (1) is provided with a push handle assembly; the anti-collision rod (5) of the push handle assembly cooperates with the rear of the cylinder body (2).

2. A workpiece riser removal device according to claim 1, characterized in that: The impact mechanism comprises a three-way valve (6), which is built into a transfer chamber (201) at the rear end of the cylinder body (2); an input end of the three-way valve (6) is connected to an external high-pressure gas circuit through an elbow (202) at the bottom of the cylinder body (2); two output ends of the three-way valve (6) are respectively connected to an exhaust hole (203) at the top of the cylinder body (2) and a working chamber (204) at the front end of the cylinder body (2); the working chamber (204) is slidably connected to a piston (7); the piston (7) is connected to the end of an impact rod (3); the head end of the impact rod (3) passes through the head of the cylinder body (2) and is threadedly connected to an adapter (4); and a return spring (8) is sleeved on the rod body of the impact rod (3).

3. A workpiece riser removal device according to claim 1, characterized in that: The hanger assembly comprises a sleeve (9), which is symmetrically distributed vertically upward on both sides of the base plate (1) and reinforced by an oblique support rod (901). The sleeve (9) is slidably connected to the lifting rod (10), and the limiting bolt (902) on the sleeve (9) can be inserted into the row of holes (1001) of the lifting rod (10) for limiting. The top of the lifting rod (10) is connected to the cross beam (11), and the two cross beams (11) are connected by two connecting rods (12). The connecting rod (12) is connected to one end of the steel cable (13), and the other end of the steel cable (13) is connected to the top locking sleeve (205) of the cylinder body (2).

4. A workpiece riser removal device according to claim 1, characterized in that: The hammer head assembly comprises a striking hammer (14), the bottom surface of which is provided with a connecting groove (1401), the head of the striking hammer (14) being 50-170 mm in length, the front end of the head being larger than the tail end, the striking surface of the head being an arc surface with a radius of 0-2, the head and the tail of the striking hammer (14) being transitioned by a circular arc concave surface with a radius of 0-2, the length of the tail being 40-140 mm, the end surface of the tail being provided with a countersunk screw hole connected to the connecting groove (1401), the bolt in the countersunk screw hole being inserted into the connecting groove (1401) to fix the adapter (4) in place.

5. The workpiece riser removal device according to claim 1, characterized in that: The push handle assembly comprises a rearwardly curved side plate (15), which is arranged on both sides of the rear end of the base plate (1), the middle parts of the two rearwardly curved side plates (15) are connected to the anti-collision rod (5), the anti-collision rod (5) and the rear part of the cylinder body (2) are both wrapped with a cushioning material, and the ends of the two rearwardly curved side plates (15) are connected to the push rod (16).

Images