Cam electric roller

Abstract

The utility model discloses a cam electric roller which comprises a roller shell, a motor assembly driving the roller shell to rotate and cam assemblies located at the two ends of the roller shell respectively. The cam assembly comprises a mounting sleeve and a cam, the mounting sleeve and the roller shell rotate synchronously, and the cam is fixedly connected with the mounting sleeve; the cam assembly is connected with the fixing shaft through a bearing, and the cam electric roller is connected with the rack through the fixing shaft. According to the scheme, in the overall assembly production process of the cam electric roller, welding is not needed, the influence of high temperature on parts is eliminated, and the safety of equipment in the using process is guaranteed; by using high-performance material high-strength metal bonding glue to be matched with a high-precision fit tolerance structure, the bottleneck in previous production is solved, and manpower, material resources and time are saved; and easily-worn parts such as the cam are detachably mounted and can be replaced at any time after being damaged, the whole equipment does not need to be replaced, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a jacking transfer machine, especially a cam electric roller. BACKGROUND

[0002] The core component of the jacking transfer machine for flow conveying is a cam electric roller. The design of the cam can enable the transported objects to be lifted and carried. However, most cams are fixedly installed on the drive of the motor through welding, rivet structure or tolerance ring structure. High temperature generated in the welding process has a negative impact on the bearings and internal parts of the motor, such as deformation, reduction of toughness and other properties. The process has a great impact on the quality of the subsequent finished products, and the consequences are also serious. The rivet structure and the tolerance ring structure increase the number of components and complicate the process, which reduces the production efficiency.

[0003] Therefore, it is necessary to improve the structure of the existing cam electric roller to make it have higher production efficiency while ensuring the safety performance of the equipment in use. SUMMARY

[0004] The utility model aims to provide a cam electric roller with high production efficiency and friendly installation mode for components.

[0005] Technical scheme: The cam electric roller provided by the utility model comprises a roller shell, a motor assembly for driving the rotation of the roller shell, and cam assemblies located at both ends of the roller shell respectively; the cam assembly comprises a mounting sleeve and a cam that rotate synchronously with the roller shell, and the cam is fixedly connected with the mounting sleeve; the cam assembly is connected with a fixed shaft through a bearing, and the cam electric roller is connected with a rack through the fixed shaft.

[0006] Further, the motor assembly is arranged in the roller shell, which comprises a driving motor, a driving gear connected with the output shaft of the driving motor and matched with the inner wall of the roller shell, and the rotation of the driving gear realizes the rotation of the roller shell.

[0007] Further, an installation groove for limiting the installation of the bearing is formed in the mounting sleeve, and a limiting piece for limiting the bearing is arranged in the installation groove.

[0008] Further, the mounting sleeve at one end of the roller shell is connected with the fixed shaft through a bearing, and the mounting sleeve at the other end of the roller shell is connected with the cable connection end of the driving motor through a bearing.

[0009] Further, the limiting piece is a snap spring, and the snap spring is fixedly installed on the fixed shaft.

[0010] Further, the limiting piece is a shaft sleeve, and the shaft sleeve is fixedly installed on the fixed shaft.

[0011] Further, the cable connection end of the driving motor extends to outside of the drum shell, and the diameters of the cable connection end are gradually reduced to form a stepped shape, and the stepped cable connection end serves as one of the limiters for limiting the bearing.

[0012] Further, a limiting sleeve is arranged between the cams arranged on the mounting sleeve.

[0013] Further, a threaded connection groove is arranged at the connecting end of the fixing shaft and the frame.

[0014] Further, a gear groove engaged with the driving gear is arranged inside the drum shell.

[0015] Beneficial effects: compared with the prior art, the cam electric drum has the following advantages: in the overall assembly production process, the cam electric drum does not need to be welded, the influence of high temperature on the parts is excluded, and the safety of the equipment in the use process is ensured; and by using the high-performance material high-strength metal bonding glue combined with the high-precision matching tolerance structure, the previous production bottleneck is solved, and manpower, material resources and time are saved; and the easily damaged parts such as the cam are detachably installed, and can be replaced at any time after being damaged, without the need to replace the whole equipment, thereby reducing the cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the cam electric drum of the utility model;

[0017] Figure 2 It is a structure schematic view of the cam electric drum after removing the drum shell;

[0018] Figure 3 It is a cross-section structure schematic view of the cam electric drum;

[0019] Figure 4 It is a schematic view of the cam structure connected with the fixing shaft;

[0020] Figure 5 It is a cross-section schematic view of the cam structure connected with the cable connection end;

[0021] Figure 6 It is a structure schematic view of the mounting sleeve;

[0022] Figure 7 It is a structure schematic view of the cross-section of the mounting sleeve. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be further described below with reference to the drawings.

[0024] The cam electric drum can be detachably installed on the frame of the jacking and transferring machine; the specific structure is as follows Figures 1-3As shown, the threaded short shaft is fixedly connected with the frame, the threaded end is installed in the threaded connecting groove 13 of the fixed shaft 5, and the fixed shaft 5 is connected with the cam electric roller; the two ends of the roller shell 1 are cam assemblies, and the motor assembly is located inside the roller shell 1; the cam assembly comprises a mounting sleeve 2 and a cam 3; in the embodiment, the number of the cams 3 on the mounting sleeve 2 is preferably two, the cam 3 is fixedly installed on one end of the mounting sleeve 2 by crimping, and the other end of the mounting sleeve 2 is fixedly connected with the inner wall of the roller shell 1; a limiting sleeve 11 is arranged between the spaced cams 3, and is used to maintain the spacing between the cams 3; the limiting sleeve 11 is also crimped on the mounting sleeve 2; the motor assembly comprises a driving motor 6, the output shaft of the driving motor 6 is connected with a driving gear 7, and the inside of the roller shell 1 is provided with a gear groove which is fixedly connected with the driving gear 7.

[0025] As shown in Figure 7 , an installation groove 8 for installing a bearing 4 is formed in the inner wall of each end of the mounting sleeve 2, and a limiting piece is arranged at the installation entrance of the installation groove to limit the bearing; the limiting piece can be a circlip 9, a shaft sleeve 10 or the like.

[0026] As shown in Figure 4 , in one of the embodiments, the fixed shaft 5 is located inside the two ends of the roller shell 1, and a cam mechanism is installed at each end of the fixed shaft 5; the two bearings 4 inside the mounting sleeve 2 of the cam mechanism are sleeved on the fixed shaft 5, and a circlip 9 or a shaft sleeve 10 is selected as a limiting piece and is sleeved on the fixed shaft 5 to limit the bearing 4, and the mounting sleeve 2 is rotatably connected with the fixed shaft 5 through the bearing 4; when the driving motor 6 drives the driving gear 7 to rotate, the roller shell 1 rotates synchronously, and the mounting sleeve 2 and the cam 3 on the mounting sleeve 2 also rotate synchronously.

[0027] As shown in Figure 5 , in another embodiment, the cable connection end of the driving motor 6 extends to the outside of the roller shell 1, and the diameter thereof is stepwise decreased to form a stepped shape; at this time, the fixed shaft 5 is located at one end of the roller shell 1, and the cable connection end is located at the other end; the mounting mode of the cam mechanism at one end of the roller shell 1 is as follows: the two bearings 4 inside the mounting sleeve 2 are sleeved on the fixed shaft 5, and a circlip 9 is used as a limiting piece and is installed at the entrance of the installation groove 8; the mounting mode of the cam mechanism at the other end of the roller shell 1 is as follows: the two bearings 4 inside the mounting sleeve 2 are sleeved on the cable connection end, the shaft sleeve 10 is arranged at the installation entrance of the installation groove outside the mounting sleeve 2 to limit, and the bearing 4 inside the mounting sleeve 2 is abutted by the stepped cable connection end to form a limiting piece; and a through hole is arranged in the cable connection end, and a cable pipe 12 enters the through hole to be connected with the driving motor 6.

[0028] As shown in Figure 6As shown, the mounting sleeve 2 is composed of a hexagonal sleeve and a cylindrical sleeve in T-shaped cross section; and the cam 3 and the limiting sleeve 11 are shaped to cooperate with the hexagonal sleeve, thereby improving the stability of the structural connection.

[0029] In this embodiment, all the bearings 4 are preferably ball bearings; the drum shell 1 is fixedly connected to the outer surface of the mounting sleeve 2 through high-strength metal adhesive glue at both ends.

Claims

1. A cam motorized roller characterized by, The application relates to a cam electric motor roller, which comprises a roller shell (1), a motor assembly for driving the roller shell (1) to rotate and cam assemblies respectively arranged at two ends of the roller shell (1); the cam assembly comprises a mounting sleeve (2) and a cam (3) which rotates synchronously with the roller shell (1), and the cam (3) is fixedly connected with the mounting sleeve (2); the cam assembly is connected with a fixed shaft (5) through a bearing (4), and the cam electric motor roller is connected with a rack through the fixed shaft (5).

2. The cam motorized roller as claimed in claim 1, wherein, The motor assembly is arranged in the roller shell (1) and comprises a driving motor (6), a driving gear (7) connected with an output shaft of the driving motor (6) and matched with an inner wall of the roller shell (1), and the rotation of the driving gear (7) realizes the rotation of the roller shell (1).

3. The cam motorized drum according to claim 1, wherein, An installation groove (8) for limiting the bearing (4) is arranged in the mounting sleeve (2), and a limiting piece for limiting the bearing (4) is arranged in the installation groove (8).

4. The cam motorized roller as claimed in claim 3, wherein, The mounting sleeve (2) at one end of the roller shell (1) is connected with the fixed shaft (5) through the bearing (4), and the mounting sleeve (2) at the other end of the roller shell (1) is connected with a cable connecting end of the driving motor (6) through the bearing (4).

5. The cam motorized drum according to claim 3, wherein, The limiting piece is a clamping spring (9), and the clamping spring (9) is fixedly arranged on the fixed shaft (5).

6. The cam motorized drum according to claim 3, wherein, The limiting piece is a shaft sleeve (10), and the shaft sleeve (10) is fixedly arranged on the fixed shaft (5).

7. The cam motorized drum according to claim 4, wherein, The cable connecting end of the driving motor (6) extends to the outside of the roller shell (1), and the diameter of the cable connecting end is gradually reduced to form a stepped shape, and the stepped cable connecting end is used as one limiting piece for limiting the bearing (4).

8. The cam motorized drum of claim 1, wherein, A limiting sleeve (11) is arranged between the cams (3) arranged on the mounting sleeve (2).

9. The cam motorized drum of claim 1, wherein, A threaded connection groove (13) is arranged at the connecting end of the fixed shaft (5) and the rack.

10. The cam motorized drum according to claim 2, wherein, A gear groove matched with the driving gear (7) is arranged in the roller shell (1).

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