Milling clamp for key groove of automobile belt pulley

Abstract

The utility model discloses an automobile belt pulley key groove milling clamp, and belongs to the technical field of automobile belt pulley machining equipment. The automobile belt pulley key groove milling clamp comprises a fixing table, a limiting rod is installed on the inner wall of the fixing table, a fixing claw is installed on the outer wall of the limiting rod, and a belt pulley body is installed on the inner wall of the fixing claw. Through the arrangement of the limiting rod, the fixing claw, the belt pulley body, the transverse opposite screw rod, the upper transmission wheel, the transmission motor, the conical transmission wheel, the fixing frame, the lower transmission wheel and the longitudinal opposite screw rod, the transverse opposite screw rod is driven to rotate by starting the transmission motor, at the moment, the upper transmission wheel rotates along with the transverse opposite screw rod, and the conical transmission wheel and the lower transmission wheel are driven to conduct meshing transmission; and the transverse opposite screws and the longitudinal opposite screws rotate synchronously, so that the fixing claws are controlled to clamp inwards or move outwards synchronously, the belt pulley main body is ensured to be always located at the central position of the fixing table when being fixed, the position deviation of key groove milling is avoided, and the accuracy of key groove milling is improved.

Description

TECHNICAL FIELD

[0001] The utility model discloses an automobile belt pulley processing equipment technical field, specifically a kind of automobile belt pulley keyway milling fixture. BACKGROUND

[0002] Automobile belt pulley is the key component in automobile engine system and auxiliary equipment transmission system, it is mainly used to transmit power, and the existence of keyway enables belt pulley to be connected with shaft closely, in power transmission process, belt pulley will be subjected to torque, if there is no keyway and key cooperation, belt pulley can slip on shaft, unable to accurately transmit the power of engine, but the existing automobile belt pulley keyway milling fixture, mainly through manual bolt to be fixed when using, time-consuming and laborious and fixed precision is not high, it is easy to cause keyway milling position deviation, affect product quality, and waste is produced in keyway milling process, it is easy to drop to internal transmission parts, cause equipment wear, to solve the above problem, therefore need a kind of automobile belt pulley keyway milling fixture.

[0003] The existing automobile belt pulley keyway milling fixture when operating, traditional automobile belt pulley keyway milling fixture is mainly fixed by manual bolt, this rough positioning mode is difficult to ensure the accurate position of belt pulley in fixture, lead to belt pulley to exist certain position deviation before clamping, further influence the position precision of subsequent keyway milling, in the process of milling keyway, the metal chips generated can be mixed between cutter and belt pulley, cause surface scratch or processing precision to drop, and also increase the wear of cutter, reduce the service life of cutter, for this urgent need a kind of automobile belt pulley keyway milling fixture. INNOVATION CONTENT

[0004] Therefore, the utility model discloses a kind of automobile belt pulley keyway milling fixtures to solve the existing automobile belt pulley keyway milling fixture when using, traditional automobile belt pulley keyway milling fixture is mainly fixed by manual bolt, this rough positioning mode is difficult to ensure the accurate position of belt pulley in fixture, lead to belt pulley to exist certain position deviation before clamping, further influence the position precision of subsequent keyway milling, in the process of milling keyway, the metal chips generated can be mixed between cutter and belt pulley, cause surface scratch or processing precision to drop, and also increase the wear of cutter, reduce the service life of cutter.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a keyway milling fixture for automotive pulleys, comprising a fixed table, a limit rod installed on the inner wall of the fixed table, a fixed claw installed on the outer wall of the limit rod, a pulley body installed on the inner wall of the fixed claw, a transverse opposing screw installed on the inner wall of the fixed claw, an upper drive wheel installed on the outer wall of the transverse opposing screw, a drive motor installed on the side wall of the transverse opposing screw, a conical drive wheel installed on the outer wall of the upper drive wheel, a fixed frame installed on the outer wall of the conical drive wheel, a lower drive wheel installed on the outer wall of the conical drive wheel, a longitudinal opposing screw welded to the outer wall of the lower drive wheel, a positioning sleeve installed on the top of the fixed table, a slot formed on the inner wall of the positioning sleeve, a storage compartment installed on the inner wall of the positioning sleeve, a locking block installed on the side wall of the storage compartment, and a lifting rod installed on the inner wall of the storage compartment.

[0006] Preferably, the limiting rod is slidably connected to the fixing claw, and the fixing claw is threadedly connected to the transverse opposing screw.

[0007] Preferably, the transverse opposing screw is arranged perpendicularly to the longitudinal opposing screw, and the transverse opposing screw is movably connected to the fixed platform.

[0008] Preferably, the upper drive wheel is meshed with the conical drive wheel and the lower drive wheel, and the conical drive wheel is movably connected to the fixed frame.

[0009] Preferably, the storage compartment is inserted into the positioning sleeve, and the slot is engaged with the card block.

[0010] Preferably, the card blocks are arranged in a rectangular array with the central axis of the storage compartment as the center, and the lifting rod is symmetrically arranged with the central axis of the storage compartment as the center.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model, through the setting of a limiting rod, fixing claw, pulley body, transverse opposing screw, upper transmission wheel, transmission motor, conical transmission wheel, fixing frame, lower transmission wheel, and longitudinal opposing screw, drives the transverse opposing screw to rotate by starting the transmission motor. At this time, the upper transmission wheel rotates accordingly, and drives the conical transmission wheel to mesh with the lower transmission wheel, so that the transverse opposing screw and the longitudinal opposing screw rotate synchronously. This controls the fixing claw to clamp inward or move outward synchronously, thereby ensuring that the pulley body is always in the center position of the fixing table when fixed, avoiding positional deviation in keyway milling and improving the accuracy of keyway milling.

[0013] 2. This utility model uses a positioning sleeve, a slot, a storage compartment, a locking block, and a lifting rod to place the storage compartment into the positioning sleeve and engage the locking block with the slot. The storage compartment can collect metal shavings generated during keyway milling, making it convenient for subsequent recycling and preventing shavings from falling into the equipment and causing wear. Attached Figure Description

[0014] Figure 1 This is a structural schematic diagram of the present utility model from the front view;

[0015] Figure 2 This is a side view of the structure of this utility model;

[0016] Figure 3 This is a structural schematic diagram showing the details of the components surrounding the transversely facing screw of this utility model;

[0017] Figure 4 This is a structural diagram showing the components surrounding the storage compartment of this utility model disassembled.

[0018] In the diagram: 1. Fixed platform; 2. Limiting rod; 3. Fixed claw; 4. Pulley body; 5. Horizontal opposing screw; 6. Upper transmission wheel; 7. Transmission motor; 8. Conical transmission wheel; 9. Fixed frame; 10. Lower transmission wheel; 11. Longitudinal opposing screw; 12. Positioning sleeve; 13. Slot; 14. Storage compartment; 15. Locking block; 16. Lifting rod. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0020] The embodiments of this utility model will be described below based on its overall structure.

[0021] Please see Figures 1-4A keyway milling fixture for automotive pulleys includes a fixed table 1. A limit rod 2 is mounted on the inner wall of the fixed table 1. A fixing claw 3 is mounted on the outer wall of the limit rod 2. A pulley body 4 is mounted on the inner wall of the fixing claw 3. A transverse opposing screw 5 is mounted on the inner wall of the fixing claw 3. An upper drive wheel 6 is mounted on the outer wall of the transverse opposing screw 5. A drive motor 7 is mounted on the side wall of the transverse opposing screw 5. A conical drive wheel 8 is mounted on the outer wall of the upper drive wheel 6. A fixing frame 9 is mounted on the outer wall of the conical drive wheel 8. A lower drive wheel 10 is mounted on the outer wall of the conical drive wheel 8. A longitudinal opposing screw 11 is welded to the outer wall of the lower drive wheel 10. The limit rod 2 is slidably connected to the fixing claw 3, and the fixing claw 3 is threadedly connected to the transverse opposing screw 5. The transverse opposing screw 5 and the longitudinal opposing screw 11 are perpendicularly arranged, and the transverse opposing screw 5 is perpendicular to the fixed table 1. The upper drive wheel 6 is connected to the tapered drive wheel 8 and the lower drive wheel 10. The tapered drive wheel 8 is also connected to the fixed frame 9. Through the setting of the limit rod 2, the fixed claw 3, the pulley body 4, the horizontal opposing screw 5, the upper drive wheel 6, the drive motor 7, the tapered drive wheel 8, the fixed frame 9, the lower drive wheel 10, and the vertical opposing screw 11, the drive motor 7 is started to drive the horizontal opposing screw 5 to rotate. At this time, the upper drive wheel 6 rotates accordingly, and drives the tapered drive wheel 8 and the lower drive wheel 10 to mesh and drive, so that the horizontal opposing screw 5 and the vertical opposing screw 11 rotate synchronously. This controls the fixed claw 3 to clamp inward or move outward synchronously, thereby ensuring that the pulley body 4 is always in the center position of the fixed table 1 when fixed, avoiding positional deviation in keyway milling and improving the accuracy of keyway milling.

[0022] Please see Figures 1-4 A keyway milling fixture for automotive pulleys includes a positioning sleeve 12 mounted on the top of a fixed table 1. The inner wall of the positioning sleeve 12 has a slot 13, and a storage compartment 14 is mounted on the inner wall of the positioning sleeve 12. Locking blocks 15 are mounted on the side walls of the storage compartment 14, and a lifting rod 16 is mounted on the inner wall of the storage compartment 14. The storage compartment 14 is inserted into the positioning sleeve 12, and the slot 13 engages with the locking blocks 15. The locking blocks 15 are arranged in a rectangular array centered on the central axis of the storage compartment 14. The lifting rod 16 is symmetrically arranged with the central axis of the storage compartment 14 as the center. The storage compartment 14 is placed into the positioning sleeve 12 through the positioning sleeve 12, the slot 13, the storage compartment 14, the locking block 15 and the lifting rod 16, and the locking block 15 is engaged with the slot 13. The storage compartment 14 can collect the metal debris generated during the keyway milling process, which is convenient for subsequent recycling and prevents the debris from falling into the equipment and causing wear.

[0023] Working principle: In use, first move the device to the desired position, then place the storage bin 14 into the positioning sleeve 12, and engage the locking block 15 with the locking groove 13. The storage bin 14 collects the metal shavings generated during keyway milling, facilitating subsequent recycling and preventing shavings from falling into the equipment and causing wear. Then, place the pulley body 4, which needs to be milled for keyway milling, on the surface of the fixed table 1. Then, start the drive motor 7 to drive the horizontal opposing screw 5 to rotate. At this time, the upper drive wheel 6 rotates accordingly, driving the conical drive wheel 8 to mesh with the lower drive wheel 10, so that the horizontal opposing screw 5 and the vertical opposing screw 11 rotate synchronously, thereby controlling the fixing claw 3 to clamp inward or move outward synchronously. This ensures that the pulley body 4 is always in the center position of the fixed table 1 when fixed, avoiding positional deviation during keyway milling and improving the accuracy of keyway milling. This completes the use of the device. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0024] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A keyway milling fixture for automotive pulleys, comprising a fixed table (1), characterized in that: The inner wall of the fixed platform (1) is equipped with a limiting rod (2), and the outer wall of the limiting rod (2) is equipped with a fixing claw (3). The inner wall of the fixing claw (3) is equipped with a pulley body (4), the inner wall of the fixing claw (3) is equipped with a transverse opposing screw (5), the outer wall of the transverse opposing screw (5) is equipped with an upper transmission wheel (6), the side wall of the transverse opposing screw (5) is equipped with a transmission motor (7), the outer wall of the upper transmission wheel (6) is equipped with a conical transmission wheel (8), and the outer wall of the conical transmission wheel (8) is... A fixed frame (9) is installed, a lower drive wheel (10) is installed on the outer wall of the conical drive wheel (8), a longitudinally opposed screw (11) is welded to the outer wall of the lower drive wheel (10), a positioning sleeve (12) is installed on the top of the fixed platform (1), a slot (13) is opened on the inner wall of the positioning sleeve (12), a storage compartment (14) is installed on the inner wall of the positioning sleeve (12), a locking block (15) is installed on the side wall of the storage compartment (14), and a lifting rod (16) is installed on the inner wall of the storage compartment (14).

2. The keyway milling fixture for automotive pulleys according to claim 1, characterized in that: The limiting rod (2) is slidably connected to the fixing claw (3), and the fixing claw (3) is threadedly connected to the transverse opposing screw (5).

3. The keyway milling fixture for automotive pulleys according to claim 1, characterized in that: The horizontal opposing screw (5) is arranged perpendicularly to the vertical opposing screw (11), and the horizontal opposing screw (5) is movably connected to the fixed platform (1).

4. The keyway milling fixture for automotive pulleys according to claim 1, characterized in that: The upper drive wheel (6) is meshed with the conical drive wheel (8) and the lower drive wheel (10), and the conical drive wheel (8) is movably connected to the fixed frame (9).

5. A keyway milling fixture for automotive pulleys according to claim 1, characterized in that: The storage compartment (14) is inserted into the positioning sleeve (12), and the slot (13) is engaged with the card block (15).

6. The keyway milling fixture for automotive pulleys according to claim 1, characterized in that: The card blocks (15) are arranged in a rectangular array with the central axis of the storage compartment (14) as the center, and the lifting rod (16) is symmetrically arranged with the central axis of the storage compartment (14) as the center.

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