Auxiliary positioning structure for screw rod surface tapping

Abstract

The utility model discloses an auxiliary positioning structure for screw rod surface tapping, which comprises an operation table, a rectangular fixing groove is arranged at the top of the operation table, an inclined plane cross rod is slidably connected with an inner cavity of the rectangular fixing groove, two limiting columns are fixedly connected with the inner wall of the rectangular fixing groove, and the inclined plane cross rod is fixedly connected with the inner wall of the rectangular fixing groove. The surfaces of the two limiting columns are rotationally connected with clamping rods, the bottom ends of the clamping rods are rotationally connected with rolling wheels, the rolling wheels are rotationally connected with the inclined face of the inclined face cross-shaped rod, and the opposite sides of the two clamping rods are rotationally connected with driven wheels; the electric telescopic rod is started to push the inclined plane cross rod to drive the clamping rod to relatively deflect, meanwhile, the driven wheel can clamp and fix the steel rod, meanwhile, normal rotation of the steel rod can be guaranteed, and the purposes that the steel rod is further kept stable, and the steel rod is prevented from inclining can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of machining of mechanical parts, and particularly relates to an auxiliary positioning structure for tapping the surface of a lead screw. Background Technique

[0002] A lead screw is the most commonly used transmission element in machine tools and precision machinery. Its main function is to convert rotational motion into linear motion, or convert torque into axial reciprocating force.

[0003] The lead screw is mainly made by turning and grooving a steel rod. When tapping the grooved steel rod, one end of the steel rod is usually fixed in a four-jaw chuck. After the four-jaw chuck drives its fixation and rotation, tapping processing is carried out. In order to further keep the steel rod stable during processing to avoid skewing and ensure its normal rotation, an auxiliary positioning structure for tapping the surface of a lead screw is designed. This structure fixes and clamps the steel rod through two clamping rods. At the same time, with the cooperation of the driven wheel and the auxiliary wheel, it can ensure its normal rotation, and further keep it stable to avoid skewing. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an auxiliary positioning structure for tapping the surface of a lead screw, which has the purpose of further keeping it stable to avoid skewing, so as to solve the above-mentioned background technical problems.

[0005] The technical solution for the utility model to solve the above technical problems is as follows: an auxiliary positioning structure for tapping the surface of a lead screw, which includes an operating table: a rectangular fixing groove is arranged at the top of the operating table, a bevel cross rod is slidably connected in the inner cavity of the rectangular fixing groove, two limiting columns are fixedly connected to the inner wall of the rectangular fixing groove, clamping rods are rotatably connected to the surfaces of the two limiting columns, rollers are rotatably connected to the bottom ends of the clamping rods, and the rollers are rotatably connected to the bevel of the bevel cross rod. Driven wheels are rotatably connected to the opposite sides of the two clamping rods.

[0006] Preferably, an auxiliary wheel is rotatably connected to the top end of the bevel cross rod, and limiting wheels are rotatably connected to the top ends of the two clamping rods.

[0007] Preferably, two support columns are fixedly connected to the inner wall of the rectangular fixing groove, both of the two support columns are located below the limiting columns, and fixing rods are fixedly connected to the surfaces of the two clamping rods.

[0008] Preferably, two limiting rods are fixedly connected to the surface of the bevel cross rod, a slotted limiting plate is rotatably connected between the support column and the fixing rod, and the surface of the limiting rod is slidably connected in the inner cavity of the chute of the slotted limiting plate.

[0009] Preferably, a storage tank is fixedly connected to the top of the operating table through bolts, a material guiding plate is fixedly connected to the top of the storage tank, an electric telescopic rod is fixedly connected to the top of the operating table through bolts, and the electric telescopic rod is located on the right side of the inner cavity of the storage tank.

[0010] Preferably, the output end of the electric telescopic rod penetrates through the material guiding plate to the inner cavity of the rectangular fixing groove and is fixedly connected to the bottom end of the inclined cross rod. A receiving groove is slidably connected to the inner cavity of the storage tank, and a four-jaw chuck is installed on the top of the operating table.

[0011] The beneficial effects of the present utility model are as follows:

[0012] 1. By starting the electric telescopic rod to push the inclined cross rod to drive the clamping rod to deflect relatively, and at the same time, while the driven wheel clamps and fixes the steel rod, it can also ensure the normal rotation of the steel rod, so as to further maintain its stability and avoid its skewing.

[0013] 2. Through the arrangement of the limiting wheel, when the steel rod rotates in the clamping rod, the steel rod can be limited to prevent the steel rod from disengaging from the inner cavity.

[0014] 3. Through the arrangement of the grooved limiting plate, when the clamping rod deflects in the inner cavity of the rectangular fixing groove, the clamping rod can be limited to ensure its stability and avoid the situation of misaligned deflection of the clamping rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Wherein:

[0016] Figure 1 is the front view of an embodiment of the present utility model;

[0017] Figure 2 is the rear view of an embodiment of the present utility model;

[0018] Figure 3 is the sectional view of the rectangular fixing groove of an embodiment of the present utility model;

[0019] Figure 4 is the partial sectional view of the rectangular fixing groove of an embodiment of the present utility model.

[0020] In the drawings, the list of components represented by each reference numeral is as follows:

[0021] 1. Operating table, 2. Rectangular fixed groove, 3. Bevel cross rod, 4. Limit column, 5. Clamping rod, 6. Roller, 7. Driven wheel, 8. Auxiliary wheel, 9. Limit wheel, 10. Support column, 11. Fixed rod, 12. Limit rod, 13. Slotted limit plate, 14. Material storage trough, 15. Guide plate, 16. Electric telescopic rod, 17. Material receiving trough, 18. Four-jaw chuck. DETAILED DESCRIPTION

[0022] Hereinafter, embodiments of the auxiliary positioning structure for threaded rod surface tapping of the present invention will be described with reference to the accompanying drawings.

[0023] Embodiment 1:

[0024] Figures 1-4 The utility model shows an auxiliary positioning structure for tapping the screw rod surface in an embodiment of the present invention, which comprises: an operating table 1: a rectangular fixing groove 2 is arranged on the top of the operating table 1, an inclined cross rod 3 is slidably connected to the inner cavity of the rectangular fixing groove 2, two limiting columns 4 are fixedly connected to the inner wall of the rectangular fixing groove 2, the surfaces of the two limiting columns 4 are rotatably connected to clamping rods 5, the bottom ends of the clamping rods 5 are rotatably connected to rollers 6, the rollers 6 are rotatably connected to the inclined surfaces of the inclined cross rods 3, the opposite sides of the two clamping rods 5 are rotatably connected to driven wheels 7, the top ends of the inclined cross rods 3 are rotatably connected to auxiliary wheels 8, the top ends of the two clamping rods 5 are rotatably connected to the driven wheels 7, There is a limit wheel 9 in dynamic connection. Through the setting of the limit wheel 9, the steel rod can be limited when it rotates in the clamping rod 5 to prevent the steel rod from escaping from the inner cavity of 5. Two support columns 10 are fixedly connected to the inner wall of the rectangular fixed groove 2. The two support columns 10 are both located below the limit column 4. The surfaces of the two clamping rods 5 are fixedly connected with fixed rods 11. The output end of the electric telescopic rod 16 passes through the guide plate 15 to the inner cavity of the rectangular fixed groove 2, and is fixedly connected to the bottom end of the inclined cross rod 3. The inner cavity of the storage trough 14 is slidably connected with a receiving trough 17, and a four-jaw chuck 18 is installed on the top of the operating table 1.

[0025] Embodiment 2:

[0026] Figures 1-4An auxiliary positioning structure for tapping the surface of a lead screw according to an embodiment of the present invention is shown, which includes: an operating table 1: a rectangular fixing groove 2 is provided at the top of the operating table 1, an inclined surface cross bar 3 is slidably connected to the inner cavity of the rectangular fixing groove 2, two limiting columns 4 are fixedly connected to the inner wall of the rectangular fixing groove 2, clamping rods 5 are rotatably connected to the surfaces of the two limiting columns 4, a roller 6 is rotatably connected to the bottom end of the clamping rod 5, and the roller 6 is rotatably connected to the inclined surface of the inclined surface cross bar 3. Driven wheels 7 are rotatably connected to the opposite sides of the two clamping rods 5. Two limiting rods 12 are fixedly connected to the surface of the inclined surface cross bar 3. A slotted limiting plate 13 is rotatably connected between the support column 10 and the fixed rod 11. Through the setting of the slotted limiting plate 13, when the clamping rod 5 deflects in the inner cavity of the rectangular fixing groove 2, the clamping rod 5 can be limited, so that the clamping rod 5 is ensured to be stable and the situation of misaligned deflection of the clamping rod 5 is avoided. The surface of the limiting rod 12 is slidably connected to the inner cavity of the chute of the slotted limiting plate 13. A storage tank 14 is fixedly connected to the top of the operating table 1 by bolts. A guide plate 15 is fixedly connected to the top of the storage tank 14. An electric telescopic rod 16 is fixedly connected to the top of the operating table 1 by bolts. The electric telescopic rod 16 is located on the right side of the inner cavity of the storage tank 14.

[0027] Working principle: When the present invention is in use, the user starts the electric telescopic rod 16 to push the inclined surface cross bar 3 to slide upward. Then, with the cooperation of the inclined surface of the inclined surface cross bar 3 and the roller 6, the two clamping rods 5 deflect relatively, and then the clamping rods 5 clamp the steel rod. Subsequently, the four-jaw chuck 18 is started to fix it and drive it to rotate. At the same time, when the steel rod rotates, it drives the driven wheel 7 and the auxiliary wheel 8 to rotate synchronously. Thus, while the clamping rod 5 clamps and fixes the steel rod, it can also ensure its normal rotation, further maintaining its stability to avoid the situation of skew.

[0028] In summary: For this auxiliary positioning structure for tapping the surface of the lead screw, by starting the electric telescopic rod 16 to push the inclined surface cross bar 3 to drive the clamping rod 5 to deflect relatively, and at the same time, while the driven wheel 7 clamps and fixes the steel rod, it can also ensure the normal rotation of the steel rod, thus achieving the purpose of further maintaining its stability to avoid skew.

Claims

1. An auxiliary positioning structure for tapping the surface of a screw rod, characterized in that: The operating table (1) comprises a rectangular fixing groove (2) on the top of the operating table (1), the inner cavity of the rectangular fixing groove (2) is slidably connected to a bevel cross rod (3), the inner wall of the rectangular fixing groove (2) is fixedly connected to two limit columns (4), the surfaces of the two limit columns (4) are rotatably connected to clamping rods (5), the bottom ends of the clamping rods (5) are rotatably connected to rollers (6), the rollers (6) are rotatably connected to the bevel of the bevel cross rod (3), and the opposite sides of the two clamping rods (5) are rotatably connected to driven wheels (7).

2. The auxiliary positioning structure for threading the screw rod surface according to claim 1, characterized in that: The top end of the inclined cross rod (3) is rotatably connected to an auxiliary wheel (8), and the top ends of the two clamping rods (5) are both rotatably connected to limit wheels (9).

3. The auxiliary positioning structure for threading the screw rod surface according to claim 2, characterized in that: Two support columns (10) are fixedly connected to the inner wall of the rectangular fixing groove (2), and the two support columns (10) are both located below the limiting column (4). The surfaces of the two clamping rods (5) are fixedly connected to fixing rods (11).

4. The auxiliary positioning structure for threading the screw rod surface according to claim 3, characterized in that: Two limit rods (12) are fixedly connected to the surface of the inclined cross rod (3), a slotted limit plate (13) is rotatably connected between the support column (10) and the fixed rod (11), and the surface of the limit rod (12) is slidably connected to the inner cavity of the sliding groove of the slotted limit plate (13).

5. The auxiliary positioning structure for threading the screw rod surface according to claim 4, characterized in that: The top of the operating table (1) is fixedly connected to a material storage tank (14) by means of bolts, the top of the material storage tank (14) is fixedly connected to a material guide plate (15), the top of the operating table (1) is fixedly connected to an electric telescopic rod (16) by means of bolts, and the electric telescopic rod (16) is located on the right side of the inner cavity of the material storage tank (14).

6. The auxiliary positioning structure for threading the screw rod surface according to claim 5, characterized in that: The output end of the electric telescopic rod (16) passes through the material guide plate (15) to the inner cavity of the rectangular fixed groove (2), and is fixedly connected to the bottom end of the inclined cross rod (3). The inner cavity of the material storage groove (14) is slidably connected to a material receiving groove (17). A four-jaw chuck (18) is installed on the top of the operating table (1).

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