Feeding driving mechanism of rotary cutter
By using threaded connection and coupling keyway matching design in the feed drive mechanism of the rotary cutting machine, the problems of unstable torque transmission and low accuracy in traditional designs are solved, and more efficient screw slide movement and wood processing are achieved.
Patent Information
- Application Number
- CN202420419723.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-05
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-05
AI Technical Summary
The existing feed drive mechanism of the rotary cutting machine is prone to axial return when transmitting torque, which affects the movement accuracy of the screw slide, and insufficient locking force of the coupling may lead to axial slippage.
By connecting the output shaft of the driving device and the screw shaft through threads, and using two keys on the inner side of the coupling to cooperate with the first key groove outside the output shaft of the driving device and the second key groove outside the screw shaft, the fixed connection between the output shaft of the driving device and the screw shaft and the rotational torque transmission are achieved.
Effectively resist the axial tension of the screw shaft, ensure torque transmission, improve the movement accuracy of the screw slide and positioning rotation clamping frame on the screw shaft, and improve working efficiency and quality.
Smart Images
Figure CN222590153U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a feeding drive mechanism of a rotary cutter. Background Art
[0002] Peeler is one of the main equipment for producing plywood. It can be used to process wood segments of a certain length and diameter into continuous veneer strips for the production of plywood, joinery boards and other man-made board veneers. The rotary cutter generally needs to first press the wood section and then drive the wood section to rotate, and then the tool rotary cuts the wood section into a single board. In the process of pressing the wood section, the movable pressure seat is generally driven by a screw motor to move the slide on the screw, and the slide is connected to the pressure seat and drives the pressure seat to move in the direction of pressing the wood section; the shaft of the above-mentioned screw motor and the screw shaft are generally connected through a coupling, but the existing screw shaft and motor shaft generally directly penetrate the coupling, and the screw shaft and the motor shaft are respectively connected to the coupling through a key. This connection method is to directly clamp the motor shaft and the coupling through the coupling, which is likely to cause only torque to be transmitted between the screw shaft and the motor shaft, and the screw of the screw sliding mechanism has both axial tension and radial torque when rotating, which may cause the screw and the motor shaft to move axially, affecting the accuracy of the screw driving the slide to move; at the same time, when the locking force of the coupling is insufficient, axial slippage between the coupling and the shaft may occur. Utility Model Content
[0003] The utility model improves the above-mentioned problem, that is, the technical problem to be solved by the utility model is to provide a feeding drive mechanism for a rotary cutter, which has a simple structure and is easy to use.
[0004] The utility model is constructed as follows: it includes a driving device, a screw shaft and a screw slide of a rotary cutter; a threaded hole is arranged at the outer end of the output shaft of the driving device; a screw connected to the threaded hole is arranged at one end of the screw shaft close to the output shaft of the driving device; a coupling is arranged outside the output shaft of the driving device and the screw shaft; the coupling is respectively connected to the output shaft of the driving device and the screw shaft via a key.
[0005] Furthermore, a first keyway is provided on the outer side of the output shaft of the driving device, a second keyway is provided on the outer side of the screw shaft, and two coupling keyways are provided on the inner side of the coupling, one of which matches with the first keyway and the other matches with the second keyway; a connecting key is provided between one of the coupling keyways and the first keyway and between the other coupling keyway and the second keyway.
[0006] Furthermore, a connecting shaft is provided between the screw shaft and the screw rod, the screw shaft, the connecting shaft and the screw rod are coaxially arranged and are integrated, the diameter of the screw shaft is larger than that of the connecting shaft, and the diameter of the connecting shaft is larger than that of the screw rod.
[0007] Furthermore, the coupling includes two claspable shells, which are locked by a plurality of positioning members; and a plurality of connecting holes are symmetrically arranged on the upper and lower parts of the two shells.
[0008] Furthermore, the driving device includes a screw motor and a reducer which are arranged in sequence, the output shaft of the screw motor is connected to the input end of the reducer, and the output shaft of the reducer is connected to the screw shaft.
[0009] Furthermore, it also includes a positioning rotating clamping frame and a fixed frame of the peeling machine, wherein the positioning rotating clamping frame is fixedly connected to the screw rod slide seat to achieve the positioning rotating clamping frame approaching or moving away from the fixed frame.
[0010] Compared with the prior art, the utility model has the following beneficial effects: the device has a simple structure and is easy to use. By connecting the output shaft of the driving device and the screw shaft through a thread, the output shaft of the driving device and the screw shaft are fixedly connected, which is beneficial to resisting the axial tension of the screw shaft. At the same time, the two keys on the inner side of the coupling are respectively matched with the first keyway on the outer side of the output shaft of the driving device and the second keyway on the outer side of the screw shaft, thereby realizing the rotational torque transmission of the output shaft and the screw shaft of the driving device; the device connects the output shaft of the driving device and the screw shaft through a thread, and the output shaft and the screw shaft of the driving device are respectively connected to the coupling through a key, so as to effectively resist tension and transmit torque, which is beneficial to ensuring the moving accuracy of the screw slide and the positioning and rotating clamping frame on the screw shaft, and positioning and processing the wood between the positioning and rotating clamping frame and the fixed frame, which is beneficial to improving work efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a schematic diagram of the installation position structure of an embodiment of the utility model;
[0012] Figure 2 for Figure 1 A partial enlarged view in FIG.
[0013] Figure 3 It is a schematic diagram of the local structure of an embodiment of the utility model;
[0014] Figure 4 This is a cross-sectional view of an embodiment of the utility model;
[0015] Figure 5 for Figure 4 A partial enlarged view of B;
[0016] Figure 6 It is a partial exploded view of an embodiment of the utility model;
[0017] Figure 7 This is a schematic diagram of the structure of the drive device, the screw shaft and the screw slide seat of the embodiment of the utility model;
[0018] Figure 8 for Figure 7 The local enlarged view C;
[0019] Fig. 9 This is a schematic diagram of the coupling structure of an embodiment of the utility model;
[0020] Fig.10 This is a schematic diagram of the shell structure of an embodiment of the utility model. DETAILED DESCRIPTION
[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0022] Example: Figures 1 to 10 As shown, in this embodiment, a feed drive mechanism of a peeling machine is provided, including a driving device 1 of the peeling machine, a screw shaft 2 and a screw slide 3, a screw threaded hole for the screw shaft to pass through is provided in the middle of the screw slide, a threaded hole 110 is provided at the outer end of the output shaft 11 of the driving device, a screw 21 connected to the threaded hole 110 is provided at one end of the screw shaft close to the output shaft of the driving device, the screw of the screw shaft 2 is threadedly connected to the threaded hole at the outer end of the output end of the driving device, a coupling 4 is provided on the outside of the output shaft of the driving device and the screw shaft, and the coupling is respectively connected to the output shaft and the screw shaft of the driving device via a key.
[0023] A first keyway 111 is provided on the outer side of the output shaft of the above-mentioned driving device, and a second keyway 22 is provided on the outer side of the screw shaft. Specifically, the second keyway is provided on the outer surface of the connecting shaft of the screw shaft. Two coupling keyways 41 are provided on the inner side of the coupling 4, one of which cooperates with the first keyway, and the other of which cooperates with the second keyway; connecting keys are provided between one of the coupling keyways and the first keyway, and between the other coupling keyway and the second keyway; of course, the two coupling keyways can be connected to form a coupling keyway, and different positions of the coupling keyway are respectively connected to the first and second keyways through connecting keys.
[0024] In the embodiment of the utility model, the output shaft of the driving device is connected to the screw shaft through a thread, so that the output shaft of the driving device and the screw shaft are fixedly connected, so as to resist the axial tension of the screw shaft. At the same time, the two keys on the inner side of the coupling are respectively matched with the first keyway on the outer side of the output shaft of the driving device and the second keyway on the outer side of the screw shaft, so as to realize the rotational torque transmission of the output shaft and the screw shaft of the driving device; this device effectively realizes the function of resisting tension and transmitting torque by threading the output shaft of the driving device and the screw shaft, and the output shaft and the screw shaft of the driving device are respectively connected to the coupling through keys, which is beneficial to improve the movement accuracy of the screw slide and the positioning and rotating clamping frame on the screw shaft, and is beneficial to improve work efficiency and quality.
[0025] In the embodiment of the utility model, a connecting shaft 23 is further arranged between the screw shaft 2 and the screw 21. The screw shaft, the connecting shaft and the screw are coaxially arranged and integrated. The diameter of the screw shaft is larger than that of the connecting shaft, and the diameter of the connecting shaft is larger than that of the screw.
[0026] In the embodiment of the utility model, the coupling includes two claspable shells 42, which are locked by multiple positioning members; multiple connecting holes 43 are symmetrically arranged on the upper and lower parts of the two shells; the above-mentioned positioning members can be nut-nut assemblies.
[0027] In the embodiment of the utility model, the driving device comprises a screw motor 5 and a reducer 6 which are arranged in sequence, the output shaft of the screw motor is connected to the input end of the reducer, and the output shaft of the reducer is connected to the screw shaft.
[0028] In the embodiment of the utility model, the rotary positioning clamping frame 7 and the fixing frame 8 of the peeling machine are also included. The rotary positioning clamping frame is fixedly connected to the screw slide 3, and the screw slide is threadedly matched with the screw shaft.
[0029] During operation, the screw slide drives the positioning rotating clamping frame to move axially along the screw shaft, so that the positioning rotating clamping frame approaches or moves away from the fixed frame, thereby positioning the wood between the positioning rotating clamping frame and the fixed frame, and at the same time drives the wood to rotate and be peeled to form plywood.
[0030] In an embodiment of the utility model, a fixed frame 9 is arranged on the outside of the fixed frame, and the end of the screw shaft away from the driving device is rotatably matched with the fixed frame; a rotating hole can be arranged on the fixed frame, and the end of the screw shaft away from the driving device passes through the rotating hole to cooperate with it, and a rotating bearing can also be arranged between the rotating hole and the screw shaft.
[0031] Unless otherwise stated, any technical solution disclosed in the above utility model, if it discloses a numerical range, then the disclosed numerical range is a preferred numerical range. Any technician in the field should understand that the preferred numerical range is only a numerical value with a more obvious technical effect or representative value among many feasible numerical values. Since there are too many numerical values to be exhaustive, the utility model discloses only some numerical values to illustrate the technical solution of the utility model, and the numerical values listed above should not constitute a limitation on the scope of protection of the utility model.
[0032] If the words "first", "second" and so on are used in this article to limit components, those skilled in the art should know that the use of "first" and "second" is only for the convenience of description to distinguish the components. Unless otherwise stated, the above words have no special meaning.
[0033] At the same time, if the above-mentioned utility model discloses or involves components or structural parts that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (for example, connected by bolts or screws), and can also be understood as: a non-detachable fixed connection (for example, riveting, welding). Of course, the mutual fixed connection can also be replaced by an integrated structure (for example, manufactured by one-piece molding using a casting process) (except when it is obviously impossible to use an one-piece molding process).
[0034] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in the above utility model include states or shapes that are approximate, similar or close thereto.
[0035] Any component provided by the utility model can be assembled from multiple separate components, or can be a separate component manufactured by an integrated molding process.
[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.
Claims
1. A feed drive mechanism for a peeling machine, comprising a drive device, a screw shaft and a screw slide of the peeling machine, characterized in that: A threaded hole is arranged at the outer end of the output shaft of the driving device, a screw connected to the threaded hole is arranged at one end of the screw shaft close to the output shaft of the driving device, a coupling is arranged outside the output shaft of the driving device and the screw shaft, and the coupling is respectively connected to the output shaft of the driving device and the screw shaft via a key.
2. A rotary cutter feed drive mechanism according to claim 1, characterized in that: A first keyway is arranged on the outer side of the output shaft of the driving device, a second keyway is arranged on the outer side of the screw shaft, and two coupling keyways are arranged on the inner side of the coupling, one of which matches with the first keyway, and the other matches with the second keyway; connecting keys are arranged between one coupling keyway and the first keyway, and between the other coupling keyway and the second keyway.
3. The feed drive mechanism of a rotary cutter according to claim 1, characterized in that: A connecting shaft is also provided between the screw shaft and the screw rod. The screw shaft, the connecting shaft and the screw rod are coaxially arranged and are integrated. The diameter of the screw shaft is larger than that of the connecting shaft, and the diameter of the connecting shaft is larger than that of the screw rod.
4. A rotary cutter feed drive mechanism according to claim 1 or 2, characterized in that: The coupling comprises two tightly embraceable shells, which are locked by a plurality of positioning members; a plurality of connecting holes are symmetrically arranged on the upper and lower parts of the two shells.
5. The feed drive mechanism of a rotary cutter according to claim 1, characterized in that: The driving device comprises a screw motor and a reducer which are arranged in sequence. The output shaft of the screw motor is connected to the input end of the reducer, and the output shaft of the reducer is connected to the screw shaft.
6. The feed drive mechanism of a rotary cutter according to claim 1, characterized in that: It also includes a positioning rotating clamping frame and a fixed frame of the peeling machine. The positioning rotating clamping frame is fixedly connected to the screw rod slide seat to achieve the positioning rotating clamping frame approaching or moving away from the fixed frame.