Automatic shaft penetrating device for carrier roller drum
By coordinating the receiving and feeding components and adjusting the centering, the problem of the rollers being difficult to thread through the shaft after welding the bearing housing was solved, achieving stable and centered threading of the long shaft and improving the threading accuracy and efficiency.
Patent Information
- Application Number
- CN202522783015.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-29
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-12-29
AI Technical Summary
After the existing idler rollers are welded to the bearing housings, the diameter of the holes at both ends of the roller body becomes smaller, making it difficult for traditional shaft threading equipment to achieve stability, centering, and full-process support of the long shaft. This can easily lead to cantilever sagging and axis misalignment, resulting in shaft threading failure.
The material is inserted through a two-way collaborative shaft insertion method using a receiving component and a feeding component. The material is supported and centered during insertion by a linear guide rail and a servo motor. Combined with a centering adjustment component, the coaxiality is automatically adjusted to ensure smooth shaft insertion.
It achieves stable and centered insertion of long shafts, improves shaft insertion accuracy and efficiency, and is suitable for idler rollers with welded bearing seats, significantly improving the stability and accuracy of shaft insertion.
Smart Images
Figure CN223863282U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of idler roller shaft threading equipment, specifically relating to an automatic idler roller shaft threading device. Background Technology
[0002] In existing technologies, after the bearing housings are welded to both ends of the idler roller, the diameter of the holes at both ends of the cylinder becomes smaller, creating an obstacle to shaft insertion. Traditional shaft insertion equipment typically uses a single-sided clamping and pushing method to push the shaft in from one end of the cylinder. This method has significant drawbacks: firstly, the clamping section length is limited; if it is too long, it will interfere with the end of the cylinder, preventing long shafts from being inserted to the other end; secondly, since only one end of the shaft is constrained during the pushing process, it is prone to cantilever sagging and axis misalignment, leading to shaft insertion failure, especially for long shaft workpieces. Therefore, there is an urgent need for an automatic shaft insertion device for idler rollers that can achieve stable, centered, and full-process support. Utility Model Content
[0003] This utility model addresses the above-mentioned problems and overcomes the shortcomings of the existing technology by providing an automatic roller threading device for idler rollers.
[0004] To achieve the above objectives, the present invention adopts the following technical solution.
[0005] This utility model provides an automatic roller threading device, including a roller threading frame. A linear guide rail is provided on the front side of the roller threading frame. A receiving component, a centering adjustment component, and a feeding component are connected to the roller threading frame via the linear guide rail. The centering adjustment component is located between the receiving component and the feeding component. The receiving component, the centering adjustment component, and the feeding component can all move left and right along the linear guide rail. A roller guide V-groove seat is provided on the upper end face of the roller threading frame between the centering adjustment component and the feeding component. The material guide V-groove seat is used to place the shaft material, and the centering adjustment component is used to place the idler roller skin workpiece. The feeding component pushes the shaft material part along the linear guide rail and the shaft material guide V-groove seat to the right end of the idler roller skin workpiece. The receiving component clamps and fixes a receiving rod with a top. The receiving component moves along the linear guide rail to insert the receiving rod with the top into the left end of the idler roller skin workpiece and abut against the shaft material. Under the combined action of the receiving component and the feeding component, the entire shaft material is completely inserted into the idler roller skin workpiece.
[0006] Furthermore, the receiving assembly includes a receiving trolley and a receiving rod clamping and fixing seat. The receiving trolley is connected to a linear guide rail and is driven by a servo motor to enable the receiving assembly to move left and right on the linear guide rail. A receiving rod clamping and fixing seat is provided on the top of the receiving trolley, and a receiving rod with a top tip is clamped and fixed on the receiving rod clamping and fixing seat.
[0007] Furthermore, the receiving rod clamping and fixing seat includes a receiving rod end fixing V-groove seat, a clamping rod, and a rod seat. The receiving rod end fixing V-groove seat is fixedly connected to the top of the receiving trolley. The rod seat is located at the rear left end of the receiving rod end fixing V-groove seat. The clamping rod is threadedly connected to the rod seat and is opposite to the V-groove of the receiving rod end fixing V-groove seat. One end of the receiving rod with the tip is placed in the V-groove of the receiving rod end fixing V-groove seat and fixed by the clamping rod.
[0008] Furthermore, the centering adjustment assembly includes two centering trolleys arranged opposite each other. A centering lifting mechanism is fixedly connected to the opposite ends of the two centering trolleys. A workpiece centering bracket is fixedly connected to the two centering lifting mechanisms. The roller skin workpiece is placed on the workpiece centering bracket. The workpiece centering bracket is provided with an arc-shaped placement groove that is adapted to the roller skin workpiece.
[0009] Furthermore, the centering trolley and the centering lifting mechanism are both driven by servo motors to enable the centering adjustment assembly to move left and right on the linear guide rail and to adjust the lifting and lowering movement of the roller skin workpiece, thereby completing the centering of the roller skin workpiece and the top-mounted receiving rod.
[0010] Furthermore, the feeding assembly includes a feeding trolley and a shaft pusher plate. One end of the shaft pusher plate is fixedly connected to the upper end of the feeding trolley, and the other end of the shaft pusher plate is provided with a V-shaped end plate that matches the V-shaped groove of the shaft material guide V-shaped groove seat. The feeding trolley is driven by a servo motor to realize the feeding assembly moving left and right on the linear guide rail.
[0011] The beneficial effects of this utility model are:
[0012] This utility model provides an automatic shaft threading device for idler rollers. Through the bidirectional collaborative shaft threading method of the receiving component and the feeding component, the shaft material is supported and guided at both ends during the threading process, effectively avoiding cantilever sagging and axis deviation when long shafts are threaded. The centering adjustment component can automatically adjust the coaxiality of the idler roller skin and the receiving rod with the top tip to ensure smooth shaft threading. The overall structure is compact and the operation is coordinated, which significantly improves the shaft threading accuracy, stability and efficiency. It is especially suitable for shaft threading operations of long shafts and idler rollers with welded bearing seats at both ends. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of an automatic roller threading device of the present invention.
[0014] Figure 2 This is a three-dimensional structural diagram of the idler roller skin workpiece and the shaft workpiece installed on the automatic shaft threading device of the idler roller of this utility model.
[0015] Figure 3 yes Figure 2 A magnified structural diagram of part A in the middle.
[0016] Figure 4 yes Figure 2 A magnified structural diagram of part B.
[0017] Figure 5 This is a schematic diagram of the planar structure of the idler roller skin workpiece and the shaft workpiece installed on the automatic shaft threading device of the idler roller of this utility model.
[0018] Figure 6 This is a process diagram showing the automatic shaft-threading device for idler rollers of this utility model, which inserts the shaft workpiece into the idler roller skin workpiece.
[0019] The markings in the diagram are as follows: 1 is the receiving assembly, 2 is the centering adjustment assembly, 3 is the shaft frame, 4 is the linear guide rail, 5 is the feeding assembly, 6 is the receiving rod clamping and fixing seat, 7 is the receiving trolley, 8 is the receiving rod with a center point, 9 is the centering trolley, 10 is the workpiece centering bracket, 11 is the centering lifting mechanism, 12 is the shaft material guide V-groove seat, 13 is the feeding trolley, 14 is the shaft push plate, 15 is the clamping rod, 16 is the rod seat, 17 is the receiving rod end fixing V-groove seat, 18 is the roller cylinder skin workpiece, 19 is the shaft material, and 20 is the V-shaped end plate. Detailed Implementation
[0020] To make the technical problems solved, the technical solutions, and the beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0021] Combination Figures 1 to 6 As shown in the figure, the automatic roller threading device for idler rollers provided in this embodiment of the present invention includes a roller threading frame 3. A linear guide rail 4 is provided on the front side of the roller threading frame 3. The roller threading frame 3 is connected to a receiving component 1, a centering adjustment component 2, and a feeding component 5 through the linear guide rail 4. The centering adjustment component 2 is disposed between the receiving component 1 and the feeding component 5. The receiving component 1, the centering adjustment component 2, and the feeding component 5 can all move left and right along the linear guide rail 4. A roller material guide V-groove seat 12 is provided on the upper end surface of the roller threading frame 3 between the centering adjustment component 2 and the feeding component 5. The roller material guide V-groove seat 12 is used to place the roller material. 19; The shaft material 19 has center holes at both ends, which are process holes; The centering adjustment assembly 2 is used to place the idler roller skin workpiece 18; The feeding assembly 5 pushes part of the shaft material 19 into the right end cylinder opening of the idler roller skin workpiece 18 along the linear guide rail 4 and the shaft material guide V-groove seat 12; The receiving assembly 1 clamps and fixes a receiving rod 8 with a top point; The receiving assembly 1 moves along the linear guide rail 4 to insert the receiving rod 8 with the top point into the left end cylinder opening of the idler roller skin workpiece 18 and abut against the end center hole of the shaft material 19; Under the joint action of the receiving assembly 1 and the feeding assembly 5, the entire shaft material 19 is completely inserted into the idler roller skin workpiece 18.
[0022] Specifically, the receiving assembly 1 includes a receiving trolley 7 and a receiving rod clamping and fixing seat 6. The receiving trolley 7 is connected to the linear guide rail 4 and is driven by a servo motor to enable the receiving assembly 1 to move left and right on the linear guide rail 4. The receiving rod clamping and fixing seat 6 is provided on the top of the receiving trolley 7, and the receiving rod clamping and fixing seat 6 clamps and fixes the receiving rod 8 with a tip. The receiving rod clamping and fixing seat 6 includes a receiving rod end fixing V-groove seat 17, a clamping rod 15, and a rod seat 16. The receiving rod end fixing V-groove seat 17 is fixedly connected to the top of the receiving trolley 7. The rod seat 16 is located at the rear left end of the receiving rod end fixing V-groove seat 17. The clamping rod 15 is threaded to the rod seat 16 and is opposite to the V-groove of the receiving rod end fixing V-groove seat 17. One end of the receiving rod 8 with a tip is placed in the V-groove of the receiving rod end fixing V-groove seat 17 and fixed by the clamping rod 15.
[0023] Specifically, the centering adjustment assembly 2 includes two centering trolleys 9 arranged opposite each other. A centering lifting mechanism 11 is fixedly connected to the opposite ends of the two centering trolleys 9. A workpiece centering bracket 10 is fixedly connected to the two centering lifting mechanisms 11. A roller skin workpiece 18 is placed on the workpiece centering bracket 10. The workpiece centering bracket 10 is provided with an arc-shaped placement groove that matches the roller skin workpiece 18. The centering trolleys 9 and the centering lifting mechanism 11 are both driven by servo motors to realize the left and right movement of the centering adjustment assembly 2 as a whole on the linear guide rail 4 and the adjustment of the lifting movement of the roller skin workpiece 18, so as to complete the centering of the roller skin workpiece 18 and the top-mounted receiving rod 8, that is, to adjust the axis of the roller skin workpiece 18 and the axis of the top-mounted receiving rod 8 to be on the same horizontal line, so as to ensure the coaxiality of the roller skin workpiece 18 and the top-mounted receiving rod 8.
[0024] Specifically, the feeding assembly 5 includes a feeding trolley 13 and a shaft pusher plate 14. One end of the shaft pusher plate 14 is fixedly connected to the upper end of the feeding trolley 13, and the other end of the shaft pusher plate 14 is provided with a V-shaped end plate 20 that matches the V-shaped groove of the shaft material guide V-shaped groove seat 12. The feeding trolley 13 is driven by a servo motor to realize the feeding assembly 5 moving left and right on the linear guide rail 4.
[0025] The working process of this utility model is described below with reference to its technical solution and accompanying drawings:
[0026] (1) Before the shaft is inserted, the shaft material 19 is automatically placed into the V groove of the shaft material guide V groove seat 12, and the roller skin workpiece 18 is transported to the workpiece centering bracket 10. The height of the roller skin workpiece 18 is automatically adjusted by the centering lifting mechanism 11 to complete the centering of the roller skin workpiece 18 with the top receiving rod 8.
[0027] (2) When the shaft is inserted, the feeding trolley 13 drives the shaft pusher plate 14 to move to the left, thereby guiding the shaft material 19 in the V-groove seat 12 to the left; when the shaft material 19 is pushed to the left, Figure 6 At the position shown, the center of the shaft material 19 is still on the shaft material guide V-groove seat 12. At this time, the receiving trolley 7 begins to move to the right until the tip of the receiving rod 8 with the tip is embedded in the center hole of one end of the shaft material 19 inside the roller skin workpiece 18, as shown. Figure 6 As shown, at this time, the feeding trolley 13 and the receiving trolley 7 are driven to move to the left by the servo motor to completely insert the shaft material 19 into the roller skin workpiece 18.
[0028] It is understood that the above specific description of this utility model is only used to illustrate this utility model and is not limited to the technical solutions described in the embodiments of this utility model. Those skilled in the art should understand that modifications or equivalent substitutions can still be made to this utility model to achieve the same technical effect; as long as the use needs are met, they are all within the protection scope of this utility model.
Claims
1. An automatic roller threading device for idler rollers, characterized in that: The assembly includes a shaft-passing frame with a linear guide rail on its front side. The frame is connected to a receiving component, a centering adjustment component, and a feeding component via the linear guide rail. The centering adjustment component is positioned between the receiving and feeding components. All three components can move left and right along the linear guide rail. A shaft material guide V-groove is located on the upper surface of the shaft-passing frame between the centering adjustment and feeding components. This V-groove is used to hold the shaft material, while the centering adjustment component holds the idler roller skin workpiece. The feeding component pushes a portion of the shaft material along the linear guide rail and the shaft material guide V-groove into the right end opening of the idler roller skin workpiece. A receiving rod with a tip is clamped and fixed on the receiving component. The receiving component moves along the linear guide rail to insert the tipped receiving rod into the left end opening of the idler roller skin workpiece, where it abuts against the shaft material. The combined action of the receiving and feeding components completely inserts the entire shaft material into the idler roller skin workpiece.
2. The automatic roller threading device for idler rollers according to claim 1, characterized in that: The receiving assembly includes a receiving trolley and a receiving rod clamping and fixing seat. The receiving trolley is connected to a linear guide rail and is driven by a servo motor to enable the receiving assembly to move left and right on the linear guide rail. The receiving rod clamping and fixing seat is provided on the top of the receiving trolley, and the receiving rod clamping and fixing seat clamps and fixes the receiving rod with the tip.
3. The automatic roller threading device for idler rollers according to claim 2, characterized in that: The receiving rod clamping and fixing seat includes a receiving rod end fixing V-groove seat, a clamping rod, and a rod seat. The receiving rod end fixing V-groove seat is fixedly connected to the top of the receiving trolley. The rod seat is located at the rear left end of the receiving rod end fixing V-groove seat. The clamping rod is threaded to the rod seat and is opposite to the V-groove of the receiving rod end fixing V-groove seat. One end of the receiving rod with the tip is placed in the V-groove of the receiving rod end fixing V-groove seat and fixed by the clamping rod.
4. The automatic roller threading device for idler rollers according to claim 1, characterized in that: The centering adjustment assembly includes two centering trolleys arranged opposite each other. A centering lifting mechanism is fixedly connected to the opposite ends of the two centering trolleys. A workpiece centering bracket is fixedly connected to the two centering lifting mechanisms. The roller skin workpiece is placed on the workpiece centering bracket. The workpiece centering bracket is provided with an arc-shaped placement groove that matches the roller skin workpiece.
5. The automatic roller threading device for idler rollers according to claim 4, characterized in that: The centering trolley and centering lifting mechanism are both driven by servo motors to enable the centering adjustment assembly to move left and right on the linear guide rail and to adjust the lifting and lowering movement of the roller skin workpiece, thereby completing the centering of the roller skin workpiece and the top receiving rod.
6. The automatic roller threading device for idler rollers according to claim 1, characterized in that: The feeding assembly includes a feeding trolley and a shaft pusher plate. One end of the shaft pusher plate is fixedly connected to the upper end of the feeding trolley, and the other end of the shaft pusher plate is provided with a V-shaped end plate that matches the V-shaped groove of the shaft material guide V-shaped groove seat. The feeding trolley is driven by a servo motor to realize the feeding assembly moving left and right on the linear guide rail.