CN221967848U - A positioning fixture for machining aspherical alloy mold cores - Google Patents

Abstract

The utility model relates to the field of mold core processing, and discloses a positioning fixture tooling for processing non-spherical alloy mold cores, comprising a supporting frame, wherein the inner walls on the left and right sides of the supporting frame are slidably mounted with sliding frames, and a fixed seat is fixedly mounted between one side of the sliding frame. The utility model has the following advantages and effects: through the arranged adjustment component, the device can be operated by multiple components in the process of moving the position of a movable rotating shaft, so that after the workpiece is placed, the device can adjust the position and angle of the movable rotating shaft through the multiple components, so that the device can be automatically adjusted before each processing, which saves time and effort for the staff; through the arranged lifting component, the device drives the lower pressure plate to move in the up and down directions through the slider, so that the lower pressure plate is located below the slider, so that during the processing of the workpiece, it is not easy for the slider to interfere with the workpiece, thereby achieving a better processing effect.

Description

A positioning fixture for machining aspherical alloy mold cores

Technical Field

The utility model relates to the technical field of mold core processing, in particular to a positioning fixture for processing aspherical alloy mold cores.

Background Art

The mold core is a precision part in the center of the mold. Due to its high precision, it is often made by workers manually, and the manual cost is high. Aspheric alloy mold cores are often used to manufacture aspheric lenses. Most of them are cylindrical, and a precise arc surface is opened at one end of the cylinder.

Announcement No. CN219520533U discloses a device, comprising a support seat; a clamping and fixing mechanism, which comprises a fixed rotating rod rotatably connected to the support seat and a movable rotating rod movably arranged on the support seat, a mortgage plate is slidably connected to the support seat, and the mortgage plate is driven to fit the support seat to drive the mold core to fit the movable rotating rod and the fixed rotating rod;

In the prior art, the device needs to be operated by a worker in the process of moving the movable shaft, which may cause a distance between the workpiece and the two shafts after the workpiece is placed. The worker needs to adjust the position of the movable shaft before processing, which requires adjustment before each processing, which is time-consuming and laborious for the worker. Secondly, the device drives the mortgage plate to move by a slider, and the slider under the mortgage plate is relatively thick, which may cause the slider to interfere with the workpiece during processing, resulting in poor processing effect.

Therefore, it is necessary to design a positioning fixture for machining aspheric alloy mold cores that is easy to adjust and not prone to interference.

Utility Model Content

The utility model aims to provide a positioning fixture for machining a non-spherical alloy mold core, which is convenient to adjust and not prone to interference.

The above technical purpose of the utility model is achieved through the following technical scheme: it includes a supporting frame, a sliding frame is slidably installed on the inner walls of the left and right sides of the supporting frame, a fixed seat is fixedly installed between one side of the sliding frame, and a lifting frame is fixedly installed on the top of the fixed seat; an adjusting component, the adjusting component is installed on the supporting frame, the sliding frame and the fixed seat; and a lifting component is installed on the lifting frame.

The utility model is further configured as follows: the adjusting component includes a first motor, a driving shaft, a rotating shaft, a belt, a gear, a second motor, a first screw rod, a fixed shaft, a sliding block, a movable rotating shaft, a fixed box and a fixed rotating shaft. The first motor is fixedly mounted on the rear side of the sliding frame, the driving shaft is fixedly mounted on the output end of the first motor, the rotating shaft is rotatably mounted between the inner sides of the sliding frame, the belt tensioning is arranged on the outside of the driving shaft and the rotating shaft, the gear is fixedly mounted on the front and rear sides of the outside of the driving shaft and the rotating shaft, the second motor is fixedly mounted on the right inner wall of the fixed seat, the first screw rod is fixedly mounted on the output end of the second motor, the fixed shaft is fixedly mounted on the left and right inner walls of the fixed seat, the sliding block is arranged on the outside of the first screw rod and the fixed shaft, the movable rotating shaft is rotatably mounted on the front side of the sliding block, the fixed box is fixedly mounted on the top of the support frame, and the fixed rotating shaft is arranged on the front side of the fixed box.

By adopting the above technical solution, the device can be operated by multiple components during the process of moving the movable shaft, so that after the workpiece is placed, the device can adjust the position and angle of the movable shaft through multiple components, so that the device can automatically adjust before each processing, saving time and effort for the staff.

The utility model is further configured as follows: the lifting assembly includes a third motor, a second screw rod, a slider and a lower pressure plate, the third motor is fixedly mounted on the top of the lifting frame, the second screw rod is fixedly mounted on the output end of the third motor, the other end of the second screw rod is rotatably mounted on the bottom inner wall of the lifting frame, the slider is threadedly mounted on the outside of the second screw rod, and the lower pressure plate is fixedly mounted on the front side of the slider.

By adopting the above technical solution, the device drives the lower pressure plate to move up and down through the slider, so that the lower pressure plate is located below the slider, so that during the processing of the workpiece, the slider is not easy to interfere with the workpiece, thereby achieving better processing effect.

The utility model is further configured as follows: tooth grooves are provided on the left and right sides of the support frame, and the gears are meshed with adjacent tooth grooves.

By adopting the above technical solution, the tooth groove makes it easy for the gear to mesh with it, so that the sliding frame can drive the fixed seat and the movable shaft above to adjust the position.

The utility model is further configured as follows: the fixed box and the sliding block are both L-shaped, and a driving member is arranged on the inner side of the fixed box.

By adopting the above technical solution, the L-shaped fixed box and the sliding block can support the fixed rotating shaft and the movable rotating shaft, so that they are not easily damaged during the rotation process.

The utility model is further configured as follows: a rotation groove is opened on one side of the sliding frame, and the gear is rotatably installed on the inner side of the rotation groove.

By adopting the above technical solution, the rotating groove makes it easy for the gear to mesh with the tooth groove after rotating, so that the gear can drive the sliding frame to slide after rotating.

The utility model is further configured as follows: the shape of the lower pressing plate is L-shaped, and a rotating rod is arranged at the bottom of the lower pressing plate.

By adopting the above technical solution, the L-shape makes it easier to make the area of the lower pressing plate larger, so that the sliding block is not easy to interfere with the workpiece.

The utility model is further configured as follows: a sliding groove and a threaded hole are provided on one side of the sliding block, the first screw rod is meshed with the threaded hole, and the fixed shaft is slidably connected with the sliding block.

By adopting the above technical solution, the first screw rod can drive the sliding block to be subjected to force after rotating, and the sliding groove cooperates with the fixed shaft so that the sliding block can only slide after being subjected to force.

The beneficial effects of the utility model are:

1. The utility model is provided with an adjustment component. In the process of moving the position of the movable shaft, the device can be operated by multiple components, so that after the workpiece is placed, the device can adjust the position and angle of the movable shaft through multiple components, so that the device can be automatically adjusted before each processing, which saves time and effort for the staff.

2. The utility model is provided with a lifting assembly, which drives the lower pressure plate to move up and down through the slider, so that the lower pressure plate is located below the slider, so that during the processing of the workpiece, it is not easy for the slider to interfere with the workpiece, thereby achieving a better processing effect.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

FIG. 1 is a schematic structural diagram of a positioning fixture for machining a non-spherical alloy mold core according to the present invention.

FIG. 2 is a partial structural schematic diagram of a positioning fixture for machining a non-spherical alloy mold core proposed by the present invention.

FIG. 3 is a partial structural schematic diagram of a positioning fixture for machining a non-spherical alloy mold core proposed by the present invention.

FIG. 4 is a partial structural schematic diagram of a positioning fixture for machining a non-spherical alloy mold core proposed by the present invention.

In the figure, 1. supporting frame; 2. sliding frame; 3. fixed seat; 4. lifting frame; 5. first motor; 6. driving shaft; 7. rotating shaft; 8. belt; 9. gear; 10. second motor; 11. first screw rod; 12. fixed shaft; 13. sliding block; 14. movable rotating shaft; 15. fixed box; 16. fixed rotating shaft; 17. third motor; 18. second screw rod; 19. slider; 20. lower pressure plate.

DETAILED DESCRIPTION

Referring to Figures 1, 2, 3 and 4, the utility model provides a positioning fixture for processing aspheric alloy mold cores, including a supporting frame 1, a sliding frame 2 is slidably installed on the inner walls of the left and right sides of the supporting frame 1, a fixing seat 3 is fixedly installed between one side of the sliding frame 2, and a lifting frame 4 is fixedly installed on the top of the fixing seat 3; the sliding frame 2, the fixing seat 3 and the lifting frame 4 are convenient for fixing the components, so that multiple driving devices can be installed and fixed, and the driving device drives the movable rotating shaft 14 to adjust the position, and the adjusting component is installed on the supporting frame 1, the sliding frame 2 and the fixing seat 3; the lifting component is installed on the lifting frame 4.

Specifically, the adjustment component includes a first motor 5, a driving shaft 6, a rotating shaft 7, a belt 8, a gear 9, a second motor 10, a first screw rod 11, a fixed shaft 12, a sliding block 13, a movable rotating shaft 14, a fixed box 15 and a fixed rotating shaft 16. The first motor 5 is fixedly installed on the rear side of the sliding frame 2, the driving shaft 6 is fixedly installed on the output end of the first motor 5, the rotating shaft 7 is rotatably installed between the inner sides of the sliding frame 2, the belt 8 is tensioned and arranged on the outside of the driving shaft 6 and the rotating shaft 7, the gear 9 is fixedly installed on the front and rear sides of the outside of the driving shaft 6 and the rotating shaft 7, the second motor 10 is fixedly installed on the right inner wall of the fixed seat 3, the first screw rod 11 is fixedly installed on the output end of the second motor 10, the fixed shaft 12 is fixedly installed on the left and right inner walls of the fixed seat 3, and the sliding block 13 is arranged on the outside of the first screw rod 11 and the fixed shaft 12. The movable rotating shaft 14 is rotatably installed on the front side of the sliding block 13, the fixed box 15 is fixedly installed on the top of the supporting frame 1, and the fixed rotating shaft 16 is arranged on the front side of the fixed box 15. It should be noted that the workpiece is placed on one side of the fixed rotating shaft 16, and the first motor 5 is controlled to drive the driving shaft 6 to rotate. After the driving shaft 6 rotates, the rotating shaft 7 is driven to rotate through the belt 8, so that the driving shaft 6 and the rotating shaft 7 drive the gear 9 to rotate, so that the sliding frame 2 can slide up and down, thereby adjusting the height of the movable rotating shaft 14, and the second motor 10 is controlled to drive the first screw rod 11 to rotate, so that the first screw rod 11 rotates and then drives the sliding block 13 to slide, thereby adjusting the distance between the movable rotating shaft 14 and the fixed rotating shaft 16, so that the driving member inside the fixed box 15 drives the fixed rotating shaft 16 to rotate, so that the device processes the workpiece.

Specifically, the lifting assembly includes a third motor 17, a second screw rod 18, a slider 19 and a lower pressure plate 20. The third motor 17 is fixedly mounted on the top of the lifting frame 4, the second screw rod 18 is fixedly mounted on the output end of the third motor 17, the other end of the second screw rod 18 is rotatably mounted on the bottom inner wall of the lifting frame 4, the slider 19 is threadedly mounted on the outside of the second screw rod 18, and the lower pressure plate 20 is fixedly mounted on the front side of the slider 19. It should be noted that after the workpiece is placed, the third motor 17 is controlled to drive the second screw rod 18 to rotate, so that the second screw rod 18 rotates and then drives the slider 19 to slide, so that the slider 19 slides and drives the lower pressure plate 20 to rise and fall, so that the lower pressure plate 20 mortgages the workpiece.

Specifically, tooth grooves are provided on the left and right sides of the support frame 1, and the gear 9 meshes with adjacent tooth grooves. It should be noted that the tooth grooves facilitate the gear 9 to rotate to drive the sliding frame 2 to move under force, so that the sliding frame 2 can slide.

Specifically, the fixed box 15 and the sliding block 13 are both L-shaped, and a driving member is provided on the inner side of the fixed box 15. It should be noted that the L-shaped fixed box 15 and the sliding block 13 can support the fixed rotating shaft 16 and the movable rotating shaft 14, so that they are not easily damaged during the rotation process, and the driving member facilitates the fixed rotating shaft 16 to rotate.

Specifically, a rotation groove is opened on one side of the sliding frame 2, and the gear 9 is rotatably installed on the inner side of the rotation groove. It should be noted that the rotation groove facilitates the rotation of the gear 9, so that the gear 9 can engage with the tooth groove after rotation, so that the gear 9 can drive the sliding frame 2 to move up and down after rotation.

Specifically, the lower pressing plate 20 is L-shaped, and a rotating rod is provided at the bottom of the lower pressing plate 20. It should be noted that the L-shaped lower pressing plate 20 makes it easier for the slider 19 to interfere with the workpiece during sliding, and the rotating rod makes it easier for the workpiece to be more stable during processing.

Specifically, a sliding groove and a threaded hole are opened on one side of the sliding block 13, the first screw rod 11 is meshed with the threaded hole, and the fixed shaft 12 is slidably connected to the sliding block 13. It should be noted that the sliding groove facilitates the fixed shaft 12 to restrict the sliding block 13, making it difficult for the sliding block 13 to rotate after being subjected to force, thereby causing the sliding block 13 to slide.

Through the above structure, the utility model provides a positioning jig for processing non-spherical alloy mold cores. The adjustment component can be set up. During the process of moving the movable shaft, the device can be operated by multiple components, so that after the workpiece is placed, the device can adjust the position and angle of the movable shaft through multiple components, so that the device can be automatically adjusted before each processing, which saves time and effort for the staff; through the lifting component set up, the device drives the lower pressure plate to move up and down through the slider, so that the lower pressure plate is located below the slider, so that during the processing of the workpiece, it is not easy for the slider to interfere with the workpiece, thereby achieving a better processing effect.

The specific operation is to connect the device to an external power supply, place the workpiece on one side of the fixed shaft 16, control the first motor 5 to drive the driving shaft 6 to rotate, and after the driving shaft 6 rotates, the rotating shaft 7 is driven to rotate through the belt 8, so that the driving shaft 6 and the rotating shaft 7 drive the gear 9 to rotate, so that the sliding frame 2 can slide in the up and down directions, thereby adjusting the height of the movable shaft 14, control the second motor 10 to drive the first screw rod 11 to rotate, so that the first screw rod 11 rotates and drives the sliding block 13 to slide, thereby adjusting the spacing between the movable shaft 14 and the fixed shaft 16, and after the workpiece is fixed, control the third motor 17 to drive the second screw rod 18 to rotate, so that the second screw rod 18 rotates and drives the slider 19 to slide, so that the slider 19 slides and drives the lower pressing plate 20 to rise and fall, so that the lower pressing plate 20 mortgages the workpiece. The driving member inside the fixed box 15 drives the fixed shaft 16 to rotate, so that the device processes the workpiece.

Claims (8)

1. A positioning fixture for machining aspheric alloy mold cores, characterized by comprising: A support frame (1), wherein a sliding frame (2) is slidably mounted on the inner walls of the left and right sides of the support frame (1), a fixing seat (3) is fixedly mounted between one side of the sliding frame (2), and a lifting frame (4) is fixedly mounted on the top of the fixing seat (3); An adjustment component, wherein the adjustment component is mounted on the support frame (1), the sliding frame (2) and the fixed seat (3); A lifting component is installed on the lifting frame (4). 2. A positioning jig for machining a non-spherical alloy mold core according to claim 1, characterized in that the adjustment component comprises a first motor (5), a drive shaft (6), a rotating shaft (7), a belt (8), a gear (9), a second motor (10), a first screw rod (11), a fixed shaft (12), a sliding block (13), a movable rotating shaft (14), a fixed box (15) and a fixed rotating shaft (16), wherein the first motor (5) is fixedly mounted on the rear side of the sliding frame (2), the drive shaft (6) is fixedly mounted on the output end of the first motor (5), the rotating shaft (7) is rotatably mounted between the inner sides of the sliding frame (2), and the belt (8) is tensioned on the drive shaft (6). and the outer side of the rotating shaft (7), the gear (9) is fixedly mounted on the front and rear sides of the outer sides of the driving shaft (6) and the rotating shaft (7), the second motor (10) is fixedly mounted on the right inner wall of the fixed seat (3), the first screw rod (11) is fixedly mounted on the output end of the second motor (10), the fixed shaft (12) is fixedly mounted on the left and right inner walls of the fixed seat (3), the sliding block (13) is arranged on the outer side of the first screw rod (11) and the fixed shaft (12), the movable rotating shaft (14) is rotatably mounted on the front side of the sliding block (13), the fixed box (15) is fixedly mounted on the top of the supporting frame (1), and the fixed rotating shaft (16) is arranged on the front side of the fixed box (15). 3. A positioning jig for processing a non-spherical alloy mold core according to claim 1, characterized in that the lifting assembly comprises a third motor (17), a second screw rod (18), a slider (19) and a lower pressure plate (20), the third motor (17) is fixedly mounted on the top of the lifting frame (4), the second screw rod (18) is fixedly mounted on the output end of the third motor (17), the other end of the second screw rod (18) is rotatably mounted on the bottom inner wall of the lifting frame (4), the slider (19) is threadedly mounted on the outside of the second screw rod (18), and the lower pressure plate (20) is fixedly mounted on the front side of the slider (19). 4. A positioning jig for machining aspheric alloy mold cores according to claim 2, characterized in that tooth grooves are provided on the left and right sides of the support frame (1), and the gear (9) meshes with adjacent tooth grooves. 5. A positioning jig for machining aspheric alloy mold cores according to claim 2, characterized in that the fixed box (15) and the sliding block (13) are both L-shaped, and a driving member is provided on the inner side of the fixed box (15). 6. A positioning jig for machining aspheric alloy mold cores according to claim 2, characterized in that a rotation groove is provided on one side of the sliding frame (2), and the gear (9) is rotatably mounted on the inner side of the rotation groove. 7. A positioning jig for machining a non-spherical alloy mold core according to claim 3, characterized in that the lower pressing plate (20) is L-shaped, and a rotating rod is provided at the bottom of the lower pressing plate (20). 8. A positioning jig for machining aspheric alloy mold cores according to claim 2, characterized in that a slide groove and a threaded hole are provided on one side of the sliding block (13), the first screw rod (11) is meshed with the threaded hole, and the fixed shaft (12) is slidably connected to the sliding block (13).