Annular precision casting clamping and positioning device

Abstract

The utility model discloses an annular precision casting clamping and positioning device, and relates to the technical field of casting machining. Comprising an equipment base, an equipment shell is fixedly installed on the equipment base, a positioning plate is fixedly installed on the equipment shell, a movable sliding groove and a cooling notch are formed in the positioning plate, a clamping mechanism is arranged in the equipment shell, and the clamping mechanism comprises a servo motor and an air cylinder which are fixed in the equipment shell. A cylinder is arranged in the equipment shell, a screw rod seat is fixedly mounted at the upper end of the cylinder, a trapezoidal screw rod is movably mounted on the screw rod seat, a screw rod sliding block is arranged on the trapezoidal screw rod, a clamping buckle is fixedly mounted at the upper end of the screw rod sliding block, a spray head frame is arranged on one side of the screw rod sliding block, and a cooling mechanism is arranged in the equipment shell. According to the clamping and positioning device for the annular precision castings, the annular precision castings of different sizes can be fixed through the clamping mechanism, the annular castings can be cooled through the cooling mechanism, and the situation that a user is scalded by a high-temperature workpiece is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of casting processing, in particular to a clamping and positioning device for annular precision castings. Background Technique

[0002] Castings are products manufactured through the casting process and are widely used in multiple fields such as machinery, automobiles, aerospace, construction, and art. Casting is the process of injecting molten metal into a pre-prepared mold and obtaining a metal product with a specific shape, size, and performance after it cools and solidifies. The advantages of castings lie in their diversity of shape and size, as well as relatively low manufacturing costs, especially suitable for producing complex structures and large parts. With the development of technology, the casting process has also been continuously improving. The application of new technologies such as precision casting and pressure casting has significantly improved the quality, precision, and performance of castings, further meeting the needs of various high-end applications.

[0003] After some annular precision castings are processed, their surfaces need to be polished. Generally, a fixture is used to clamp the edge of the annular precision casting to keep it fixed during polishing. However, the sizes of annular precision castings vary, and the existing fixtures cannot be adjusted according to the size of the annular precision castings. Moreover, the temperature of the annular precision casting will rise during the polishing process, and it is easy for users to scald their arms when removing the casting from the fixture. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a clamping and positioning device for annular precision castings, which can effectively solve the problems mentioned in the background technique.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A clamping and positioning device for annular precision castings includes an equipment base, on which an equipment housing is fixedly installed. A positioning plate is fixedly installed on the equipment housing, and an activity chute and a cooling notch are provided on the positioning plate. A clamping mechanism is arranged inside the equipment housing. The clamping mechanism includes a servo motor and a cylinder fixed inside the equipment housing. A lead screw seat is fixedly installed at the upper end of the cylinder, a trapezoidal lead screw is movably installed on the lead screw seat, a lead screw slider is arranged on the trapezoidal lead screw, a clamping buckle is fixedly installed at the upper end of the lead screw slider, and a nozzle holder is arranged on one side of the lead screw slider. A cooling mechanism is arranged inside the equipment housing. The cooling mechanism includes a cooling water tank fixed inside the equipment housing, a water pump is arranged at the bottom of the cooling water tank, a metal pipe is connected to the water pump, and the upper end of the metal pipe is connected to a cooling nozzle, and the cooling nozzle is fixed on the nozzle holder.

[0007] Furthermore, bevel gears are fixedly installed at the output end of the servo motor and one end of the trapezoidal lead screw, and the two bevel gears are meshed with each other.

[0008] Furthermore, bearings are provided at both ends of the trapezoidal lead screw, and the trapezoidal lead screw is movably installed on the lead screw seat through the bearings.

[0009] Furthermore, the lead screw slider is installed on the lead screw seat through the trapezoidal lead screw, the clamping buckle is movably installed in the equipment housing through the lead screw slider, the lead screw seat is movably installed in the equipment housing through the cylinder, and the clamping buckle extends out of the positioning plate through the movable chute.

[0010] Furthermore, the cooling mechanism further includes a drain port and a water inlet installed on the side wall of the cooling water tank. A connecting pipe is provided between the cooling water tanks. The cooling water in the cooling water tank can be discharged through the drain port, and the cooling water can be poured into the cooling water tank through the water inlet.

[0011] Furthermore, an access hole is opened on the side wall of the equipment housing, and both the drain port and the water inlet extend out of the equipment housing through the access hole.

[0012] Furthermore, one end of the metal pipe is connected to the water pump, the other end of the metal pipe is connected to the cooling nozzle, bolts are provided at the bottom of the cooling water tank, and the cooling water tank is fixed in the equipment housing through the bolts.

[0013] Compared with the prior art, the present utility model has the following beneficial effects:

[0014] 1. After the annular casting is placed on the constant pressure block, the servo motor can be started. After the servo motor is started, it will drive the trapezoidal lead screw to rotate. After the trapezoidal lead screw rotates, it will drive the lead screw slider to move back and forth, so that the clamping buckle approaches annular precision castings of different sizes. After the clamping buckle contacts annular precision castings of different sizes, the cylinder can be retracted. After the cylinder is retracted, it will drive the lead screw seat to move downward, so that the clamping buckle clamps annular precision castings of different sizes.

[0015] 2. The water pump can be used to transport the cooling water in the cooling water tank into the cooling nozzle. The cooling water transported into the cooling nozzle will be sprayed onto the bottom of the annular casting being polished, thereby cooling the annular casting and preventing the user from being scalded by the high-temperature workpiece. When spraying the cooling water onto the bottom of the workpiece, the cooling water will only splash inside the equipment housing, and the cooling water splashing inside the equipment housing can be recovered by the cooling water tank, reducing the waste of water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a schematic diagram of the partial structure of the present utility model;

[0018] Figure 3Schematic diagram of the positioning mechanism of the present utility model;

[0019] Figure 4 Schematic diagram of the temperature reduction mechanism of the present utility model.

[0020] In the figure: 1, equipment base; 2, equipment housing; 3, positioning plate; 4, movable chute; 5, temperature reduction notch; 6, clamping mechanism; 601, lead screw base; 602, trapezoidal lead screw; 603, nozzle holder; 604, clamping buckle; 605, helical gear; 606, cylinder; 607, servo motor; 608, lead screw slider; 7, temperature reduction mechanism; 701, temperature reduction nozzle; 702, cooling water tank; 703, water pump; 704, connecting pipe; 705, metal pipe; 706, drain port; 707, water inlet. Specific embodiments

[0021] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] As Figure 1 Figure 2 shown, a clamping and positioning device for annular precision castings includes an equipment base 1, an equipment housing 2 is fixedly installed on the equipment base 1, a positioning frame 3 is fixedly installed on the equipment housing 2, a cylinder 4 is fixedly installed on the positioning frame 3, a dynamic pressure block 5 is fixedly installed at the output end of the cylinder 4, a positioning mechanism 6 is provided on the equipment housing 2, the positioning mechanism 6 includes an annular slide rail 606 fixed on the equipment housing 2 and a servo motor 604 fixed at the bottom of the equipment housing 2, a fixed pressure block 602 is movably installed on the annular slide rail 606, a temperature reduction notch 607 is provided on the fixed pressure block 602, a permanent magnet 603 is fixedly installed on the surface of the fixed pressure block 602, a temperature reduction mechanism 7 is provided inside the equipment housing 2, the clamping mechanism 6 can fix annular precision castings of different sizes, and the temperature reduction mechanism 7 can cool the annular castings to prevent the user from being scalded by high-temperature workpieces.

[0023] As Figure 3 shown, a clamping mechanism 6 is provided inside the equipment housing 2, the clamping mechanism 6 includes a servo motor 607 and a cylinder 606 fixed inside the equipment housing 2, a lead screw base 601 is fixedly installed at the upper end of the cylinder 606, a trapezoidal lead screw 602 is movably installed on the lead screw base 601, a lead screw slider 608 is provided on the trapezoidal lead screw 602, a clamping buckle 604 is fixedly installed at the upper end of the lead screw slider 608, a nozzle holder 603 is provided on one side of the lead screw slider 608, helical gears 605 are fixedly installed at the output end of the servo motor 607 and one end of the trapezoidal lead screw 602, and the two groups of helical gears 605 are meshed with each other.

[0024] Specifically, after the annular casting is placed on the constant pressure block 602, the servo motor 607 can be started. After starting the servo motor 607, it will drive the trapezoidal lead screw 602 to rotate. After the trapezoidal lead screw 602 rotates, it will drive the lead screw slider 608 to move back and forth, so that the clamping buckle 604 approaches annular precision castings of different sizes. After the clamping buckle 604 contacts annular precision castings of different sizes, the cylinder 606 can be retracted. After retracting the cylinder 606, it will drive the lead screw seat 601 to move downward, so that the clamping buckle 604 presses tightly on annular precision castings of different sizes.

[0025] As Figure 4 shown, a cooling mechanism 7 is provided in the equipment housing 2. The cooling mechanism 7 includes a cooling water tank 702 fixed in the equipment housing 2. A water pump 703 is provided at the bottom of the cooling water tank 702. A metal pipe 705 is connected to the water pump 703. A cooling spray head 701 is fixedly installed at the upper end of the metal pipe 705. The cooling mechanism 7 further includes a drain port 706 and a water inlet 707 installed on the side wall of the cooling water tank 702. A connecting pipe 704 is provided between the cooling water tanks 702.

[0026] Specifically, after starting the water pump 703, the cooling water in the cooling water tank 702 can be conveyed into the cooling spray head 701. The cooling water conveyed into the cooling spray head 701 will be sprayed onto the bottom of the annular casting being polished, so as to cool the annular casting and prevent the user from being scalded by the high-temperature workpiece. When spraying the cooling water onto the bottom of the workpiece, the cooling water will only splash inside the equipment housing 2, and the cooling water splashing inside the equipment housing 2 can be recovered by the cooling water tank 702, reducing the waste of water resources.

[0027] It should be noted that the present utility model is a clamping and positioning device for annular precision castings. During actual use, first place the annular casting on the fixed pressure block 602. After placing the annular casting on the fixed pressure block 602, the servo motor 607 can be started. After starting the servo motor 607, it will drive the trapezoidal lead screw 602 to rotate. After the trapezoidal lead screw 602 rotates, it will drive the lead screw slider 608 to move back and forth, making the clamping buckle 604 approach annular precision castings of different sizes. After the clamping buckle 604 contacts annular precision castings of different sizes, the air cylinder 606 can be retracted. After retracting the air cylinder 606, it will drive the lead screw seat 601 to move downward, so that the clamping buckle 604 presses tightly on annular precision castings of different sizes, facilitating the grinding of annular precision castings of different sizes. During the grinding process, the water pump 703 can be started. After starting the water pump 703, the cooling water in the cooling water tank 702 can be conveyed into the cooling spray head 701. The cooling water conveyed into the cooling spray head 701 will be sprayed onto the bottom of the annular casting being ground, thereby cooling the annular casting and preventing the user from being scalded by the high-temperature workpiece. After the grinding is completed, the air cylinder 606 can be extended. After extending the air cylinder 606, it will drive the lead screw seat 601 to move upward, making the two bevel gears 605 mesh with each other. After the two bevel gears 605 mesh with each other, the servo motor 607 can be controlled to reverse, so that the clamping buckle 604 is retracted.

[0028] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A ring-shaped precision casting clamping and positioning device, comprising a device base (1), a device housing (2) fixedly mounted on the device base (1), a positioning plate (3) fixedly mounted on the device housing (2), a movable slide groove (4) and a cooling notch (5) formed on the positioning plate (3), characterized in that: A clamping mechanism (6) is provided in the device housing (2), and the clamping mechanism (6) comprises a servo motor (607) and a cylinder (606) fixed in the device housing (2); a screw seat (601) is fixedly mounted on the upper end of the cylinder (606); a trapezoidal screw (602) is movably mounted on the screw seat (601); a screw slider (608) is provided on the trapezoidal screw (602); a clamping buckle (604) is fixedly mounted on the upper end of the screw slider (608); A nozzle rack (603) is provided on one side of the slider (608), and a cooling mechanism (7) is provided in the device housing (2). The cooling mechanism (7) comprises a cooling water tank (702) fixed in the device housing (2), a water pump (703) is provided at the bottom of the cooling water tank (702), a metal pipe (705) is connected to the water pump (703), and a cooling nozzle (701) is connected to the upper end of the metal pipe (705), and the cooling nozzle (701) is fixed on the nozzle rack (603).

2. The annular precision casting clamping and positioning device according to claim 1, characterized in that: The output end of the servo motor (607) and one end of the trapezoidal lead screw (602) are both fixedly mounted with a helical gear (605), and the two sets of helical gears (605) are meshed with each other.

3. The annular precision casting clamping and positioning device according to claim 2, characterized in that: Bearings are provided at the edges of both ends of the trapezoidal lead screw (602), and the trapezoidal lead screw (602) is movably mounted on the lead screw seat (601) via the bearings.

4. The annular precision casting clamping and positioning device according to claim 3, characterized in that: The screw slider (608) is installed on the screw seat (601) through the trapezoidal screw (602), the clamping buckle (604) is movably installed in the device housing (2) through the screw slider (608), the screw seat (601) is movably installed in the device housing (2) through the cylinder (606), and the clamping buckle (604) extends out of the positioning plate (3) through the movable slide groove (4).

5. The annular precision casting clamping and positioning device according to claim 4, characterized in that: The cooling mechanism (7) further comprises a water outlet (706) and a water inlet (707) installed on the side wall of the cooling water trough (702), and a connecting pipe (704) is provided between the cooling water troughs (702).

6. The annular precision casting clamping and positioning device according to claim 5, characterized in that: An inlet and outlet hole is provided on the side wall of the device housing (2), and the drain port (706) and the water inlet (707) both extend out of the device housing (2) through the inlet and outlet hole.

7. The annular precision casting clamping and positioning device according to claim 6, characterized in that: One end of the metal pipe (705) is connected to the water pump (703), and the other end of the metal pipe (705) is connected to the cooling nozzle (701). Bolts are provided at the bottom of the cooling water tank (702), and the cooling water tank (702) is fixed in the equipment housing (2) by bolts.

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