High-bearing-capacity cam rotary table

Abstract

The utility model discloses a high-bearing cam rotary table, which relates to the technical field of numerical control equipment and comprises a titanium alloy part, a high-bearing combined bearing is rotatably arranged in the titanium alloy part, and a rotary table part is arranged at the upper end of the high-bearing combined bearing in a supporting manner. The rotary table solves the problems that an existing cam type rotary table is large in occupied space and low in bearing capacity due to the fact that a bearing is independently arranged, and meanwhile a cam is prone to abrasion, and the rotary table has high strength and good abrasion resistance due to the fact that the cam frame and the high-bearing-capacity combined bearing are made of titanium alloy materials. Through the arrangement of the high-bearing-capacity combined bearing, the cylindrical balls have high load capacity and can bear heavy radial loads and bear larger force and torque, and the conical balls are arranged in the cam frame and can adjust internal clearances, so that the preloading and operation performance of the bearing is optimized, the axial loads and the radial loads can be borne at the same time, and the service life of the bearing is prolonged. The method is suitable for complex load conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control equipment technical field, concretely is a kind of high bearing cam rotary table. BACKGROUND

[0002] Cam rotary table is a kind of mechanical device, mainly for realizing indexing operation, i.e. rotating workpiece or machine component on automatic machine or manual machine according to specific angle and sequence, it is usually composed of cam and rotary table two parts, cam drives rotary table to rotate to predetermined angular position, cam rotary table is widely used in various industrial machines, such as printing machinery, packaging machinery, numerical control machine tool etc.

[0003] The existing cam type rotary table output shaft and fixed disc need to be provided with independent bearing, and the separately arranged bearing occupies large space and has low bearing capacity, and the cam is arranged as hard profile, so it is difficult to reduce impact, resulting in that the cam is easy to wear.

[0004] For the above problems, a high bearing cam rotary table is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high bearing cam rotary table, solve the problem that the existing cam type rotary table output shaft and fixed disc need to be provided with independent bearing in the background art, and the separately arranged bearing occupies large space and has low bearing capacity, and the cam is arranged as hard profile, so it is difficult to reduce impact, resulting in that the cam is easy to wear.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high bearing cam rotary table, including titanium alloy piece, high bearing combined bearing is rotationally arranged in the inside of titanium alloy piece, rotary table piece is supported and arranged at the upper end of high bearing combined bearing, titanium alloy piece includes cam frame, cylindrical ball is rotationally arranged at the upper end of cam frame, rotary table piece includes rotary round table, cylindrical ball and rotary round table are arranged in rolling adhesion, high bearing combined bearing includes gear rotationally arranged in the inside of cam frame, first tapered slot is arranged in the inside of cam frame, conical ball is rotationally arranged in first tapered slot, second tapered slot is arranged in the lower end of gear corresponding conical ball.

[0007] Preferably, the inside of titanium alloy piece is rotationally arranged with worm, and the worm and the gear are mutually engaged.

[0008] Preferably, the upper end of cam frame is provided with upper setting rotary groove corresponding cylindrical ball.

[0009] Preferably, the high bearing combined bearing includes lower setting locking block connected at the lower end of cam frame, and the gear center is inserted into lower setting locking block.

[0010] Preferably, the high load combined bearing further comprises a rotating shaft fixed at the center of the gear, and the rotating shaft is clamped with the rotating circular table.

[0011] Preferably, the rotating circular table is provided with inclined rotating blocks on the periphery.

[0012] Preferably, the rotating circular table is marked with a rotating scale on the periphery.

[0013] Preferably, the upper end of the rotating circular table is provided with a fixing groove in a circular array.

[0014] Compared with the prior art, the high load cam rotating table has the following beneficial effects:

[0015] 1. The high load cam rotating table has high strength and good wear resistance, and solves the problem of easy wear of the existing cam rotating table.

[0016] 2. The high load cam rotating table has high load capacity, can bear heavy radial load, can bear greater force and torque, and can provide linear motion when the cylindrical ball rolls, which helps to improve rotation accuracy and reduce vibration. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall split structure of the utility model Figure One ;

[0019] Figure 3 It is a schematic diagram of the overall split structure of the utility model Figure Two ;

[0020] Figure 4 It is a schematic diagram of the split structure of the cam frame of the utility model Figure One ;

[0021] Figure 5 It is a schematic diagram of the split structure of the cam frame of the utility model Figure Two ;

[0022] Figure 6The utility model discloses a split structure schematic diagram of cam frame Figure Three .

[0023] In the figure: 1, titanium alloy part;11, cam frame;111, upper rotation groove;12, cylindrical ball;13, worm;14, first conical groove;141, conical ball;2, rotary table part;21, rotary round table;211, inclined rotating block;212, rotating scale;22, fixed groove;3, high load combined bearing;31, lower locking block;32, gear;321, second conical groove;33, rotating shaft. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of protection of the utility model.

[0025] In order to further understand the contents of the utility model, the utility model is described in detail in combination with the drawings.

[0026] In combination with Figure 1 The utility model discloses a high load cam rotary table, including titanium alloy part 1, the inside rotation of titanium alloy part 1 is provided with high load combined bearing 3, the upper end of high load combined bearing 3 is supported and is provided with rotary table part 2, titanium alloy part 1 includes cam frame 11, the upper end of cam frame 11 is provided with cylindrical ball 12 and rolls, rotary table part 2 includes rotary round table 21, cylindrical ball 12 and rotary round table 21 are provided with rolling and sticking, high load combined bearing 3 includes gear 32 that rotates and is arranged in the inside of cam frame 11, the inside of cam frame 11 is provided with first conical groove 14, the first conical groove 14 is provided with conical ball 141 and rolls, the lower end of gear 32 is provided with second conical groove 321 corresponding conical ball 141. Cam frame 11 and high load combined bearing 3 are made of titanium alloy material, have high strength and good wear resistance, cylindrical ball 12 is arranged at the upper end, cylindrical ball 12 has high load capacity, can bear heavier radial load, withstands greater force and torque, and cylindrical ball 12 provides linear motion when rolling, helps to improve rotation accuracy and reduce vibration, conical ball 141 is arranged in the inside of cam frame 11, can adjust the internal clearance, thereby optimizing the preloading and operating performance of bearing, and can simultaneously bear axial and radial load, is suitable for complex load conditions, the collocation of cylindrical ball 12 and first conical groove 14 solves the problems, such as that the bearing occupies large space and has low load capacity when being arranged separately, at the same time, the cam is arranged as hard profile, is difficult to reduce impact, and the use of titanium alloy material solves the problem that the cam is easy to wear.

[0027] The utility model is further described below in combination with the embodiments.

[0028] Embodiment one

[0029] In combination Figures 2-6 The worm 13 is rotatably arranged inside the titanium alloy part 1, the worm 13 is meshed with the gear 32, the worm 13 is connected with a motor, and the gear 32 is matched to realize the steering drive of the cam.

[0030] The upper end of the cam frame 11 is provided with an upper rotary groove 111 corresponding to the cylindrical ball 12, the upper rotary groove 111 provides a rotary track for the cylindrical ball 12, is matched with the rotary circular table 21 to realize steering support, and improves the load capacity.

[0031] The high-load combined bearing 3 comprises a lower locking block 31 connected to the lower end of the cam frame 11, the gear 32 is inserted into the lower locking block 31, and the lower locking block 31 is fixed at the lower end, and the gear 32 can be inserted into the lower locking block 31 and rotated.

[0032] The high-load combined bearing 3 further comprises a rotating shaft 33 fixed at the center of the gear 32, the rotating shaft 33 is clamped with the rotary circular table 21, and the rotation of the rotating shaft 33 drives the rotary table part 2 to rotate.

[0033] Embodiment two

[0034] In combination Figure 2 The rotary circular table 21 is provided with an inclined rotary block 211, and the inclined rotary block 211 is arranged to be inclined to protect the cylindrical ball 12.

[0035] The rotary circular table 21 is provided with a rotary scale 212, and the rotary scale 212 indicates the rotation angle.

[0036] The upper end of the rotary circular table 21 is provided with a fixing groove 22, the fixing groove 22 is arranged in a circular array, and the fixing groove 22 is reserved to facilitate subsequent clamping and fixing of the rotary part.

[0037] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high load carrying cam turret comprising a titanium alloy piece (1), characterized in that: The inside of the titanium alloy piece (1) is rotatably provided with a high-load combined bearing (3), and an upper end of the high-load combined bearing (3) is provided with a rotary table piece (2); The titanium alloy piece (1) comprises a cam frame (11), a cylindrical ball (12) is rotatably arranged at an upper end of the cam frame (11), the rotary table piece (2) comprises a rotary round table (21), the cylindrical ball (12) and the rotary round table (21) are rotatably arranged in close contact, the high-load combined bearing (3) comprises a gear (32) rotatably arranged in the cam frame (11), a first conical groove (14) is arranged in the cam frame (11), a conical ball (141) is rotatably arranged in the first conical groove (14), and a second conical groove (321) is arranged at a lower end of the gear (32) corresponding to the conical ball (141).

2. The high load carrying cam turret according to claim 1, wherein: The inside of the titanium alloy piece (1) is rotatably provided with a worm (13), and the worm (13) and the gear (32) are in meshing engagement.

3. The high load carrying cam turret according to claim 1, wherein: An upper end of the cam frame (11) is provided with an upper rotary groove (111) corresponding to the cylindrical ball (12).

4. The high load capacity cam turntable of claim 1, wherein: The high-load combined bearing (3) comprises a lower locking block (31) connected to a lower end of the cam frame (11), and the gear (32) is inserted into the lower locking block (31).

5. The high load capacity cam turntable of claim 1, wherein: The high-load combined bearing (3) further comprises a rotating shaft (33) fixed at the center of the gear (32), and the rotating shaft (33) is in clamping engagement with the rotary round table (21).

6. The high load capacity cam turntable of claim 1, wherein: The rotary round table (21) is provided with an inclined rotary block (211) at the periphery.

7. The high load capacity cam turntable of claim 1, wherein: The rotary round table (21) is provided with a rotary scale (212) at the periphery.

8. The high load capacity cam turntable of claim 1, wherein: An upper end of the rotary round table (21) is provided with a fixing groove (22), and the fixing groove (22) is arranged in a circular array.

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