Automatic feed drive mechanism and honing machine for honing tool expansion

Abstract

The utility model discloses an automatic feed drive mechanism and a honing machine for honing tool expansion, and relates to the technical field of honing processing machinery, wherein the automatic feed drive mechanism for honing tool expansion comprises: a power input module, a shell, a tool expansion power module and a transmission module; the shell has an input end and an output end, and the input end is provided with a threaded hole; the power input module is threadedly connected and assembled to the shell through the threaded hole, and the power input module is used to transmit power to the shell; the tool expansion power module has a first output shaft penetrated by the through hole; the shell and the first output shaft are respectively connected to the transmission module, and the transmission module is used to be connected to the honing rod in transmission, thereby realizing independent driving of the rotation of the honing tool and automatic feeding and expansion of the tool; the utility model arranges the power input module to provide power for the rotation of the entire mechanism, thereby driving the rotation of the honing tool, and arranges the tool expansion power module to control the rotation of the internal output shaft to drive the honing tool to automatically feed and expand the tool.

Description

Technical Field

[0001] The utility model relates to the technical field of honing processing machinery, in particular to an automatic feeding drive mechanism and a honing machine for honing tool expansion. Background Art

[0002] A honing machine is a type of machining equipment used for machining holes in the machining industry. Specifically, it is a grinder that uses a honing head to drill holes in workpieces and finish the hole surface. It is mainly used to hone the holes of workpieces in a variety of large-scale manufacturing industries. There are two types of honing machines: vertical and horizontal. Among them, the horizontal honing machine has a longer working stroke and is suitable for honing deep holes. A center frame supporting the workpiece and a guide frame supporting the honing rod are provided in the middle of the bed. During the machining process, the workpiece is fixedly clamped on the center frame, the honing head is horizontally placed in the workpiece hole and performs circumferential rotation and axial reciprocating motion, and the oilstone of the honing head performs radial feed under the action of the expansion and contraction mechanism to gradually process the workpiece to the required size.

[0003] In the prior art, the honing machine needs to use multiple sets of power mechanisms to drive the rotation and expansion of the honing machine tool respectively, which requires a large space. Too many power mechanisms will also make the equipment structure too complicated, which is not conducive to the daily maintenance of the equipment, nor is it conducive to emergency repairs or replacement of some parts in case of failure. Utility Model Content

[0004] The main purpose of the utility model is to provide an automatic feeding drive mechanism for honing tool expansion, aiming to realize the rotation and automatic feeding and expansion of the honing tool through a set of mechanisms.

[0005] To achieve the above-mentioned purpose, the utility model proposes an automatic feed drive mechanism for honing tool expansion, comprising: a shell, a power input module, a tool expansion power module and a transmission module; the shell has an input end and an output end, the input end is provided with a threaded hole, and the output end is provided with a through hole; the power input module is threadedly connected and assembled to the shell through the threaded hole, and the power input module is used to transmit power to the shell, thereby driving the shell to rotate; the tool expansion power module is installed in the shell, and the tool expansion power module has a first output shaft passing through the through hole; the shell and the first output shaft are respectively connected to the transmission module for transmitting power to the transmission module, and the transmission module is used to be connected to the honing rod for transmission, thereby independently driving the honing tool to rotate and automatically feed and expand the tool.

[0006] In one embodiment, the power input module includes a conductive slip ring and a main power input shaft; the main power input shaft is inserted into the threaded hole and connected to the shell shaft end, and the conductive slip ring is sleeved on the main power input shaft and the outer side of the shell shaft end.

[0007] In one embodiment, the knife expansion power module includes a motor and a reducer, the motor has a second output shaft, the second output shaft is connected to the input end of the reducer, and the output end of the reducer is provided with the first output shaft.

[0008] In one embodiment, the transmission module includes a universal joint and a third output shaft, and the third output shaft is connected to the first output shaft through the universal joint.

[0009] In one embodiment, the housing includes a first housing, a second housing, and a flange disposed between the first housing and the second housing, the motor is disposed in the first housing, the reducer is disposed in the second housing, and the first housing and the second housing are connected via a flange.

[0010] In one embodiment, the flange has first connecting holes arranged at circumferential intervals along a first diameter circle, second connecting holes arranged at circumferential intervals along a second diameter circle, and third connecting holes arranged at circumferential intervals along a third diameter circle; the first diameter is larger than the second diameter and larger than the third diameter.

[0011] In one embodiment, the first shell and the second shell are connected to the flange through a first connecting hole, the motor is fixedly installed on one side of the flange through a second connecting hole and a fastener, and the reducer is fixedly installed on a side of the flange away from the motor through a second connecting hole and a fastener.

[0012] In one embodiment, the transmission module further includes a universal connecting ring, and the universal connecting ring is rotatably connected to an end of the second housing facing away from the first housing.

[0013] In one embodiment, the main force input shaft includes a limit portion, a conductive slip ring mounting portion and an input portion, which are arranged along the axial direction and have diameters that decrease successively. The input portion is threadedly connected to the threaded hole of the shell, and the conductive slip ring is sleeved on the conductive slip ring mounting portion to connect the power supply and control signal circuit of the knife expansion power module. The outer diameter of the limit portion is larger than the inner diameter of the conductive slip ring to limit the axial movement of the conductive slip ring.

[0014] The utility model also provides a honing machine, comprising a driving mechanism and any one of the above automatic feeding driving mechanisms for honing tool expansion, wherein the driving mechanism is drivingly connected to the power input module.

[0015] The utility model provides power for the rotation of the entire automatic feed drive mechanism for honing tool expansion by setting a power input module in the automatic feed drive mechanism for honing tool expansion, and sets a tool expansion power module in the shell to control the rotation of the internal output shaft of the automatic feed drive mechanism for honing tool expansion, and connects the transmission module by passing the output shaft of the tool expansion power module through the shell, thereby driving the feed rod of the honing rod to rotate through the transmission module, thereby realizing the automatic expansion of the honing tool. It is only necessary to connect the automatic feed drive mechanism for honing tool expansion to an external drive mechanism to realize the rotation of the entire mechanism, drive the honing tool to rotate for honing processing; the internal tool expansion power module outputs power to drive the honing tool to automatically feed and expand. The automatic feed drive mechanism for honing tool expansion of the utility model optimizes the spatial structure of the honing machine, can improve the space utilization rate of the equipment, and is also more convenient for the maintenance of the automatic feed drive mechanism for honing tool expansion. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0017] Figure 1 A structural schematic diagram of an embodiment of an automatic feed drive mechanism for honing a tool provided by the utility model;

[0018] Figure 2 for Figure 1 Sectional view at AA in the middle;

[0019] Figure 3 The utility model is a schematic structural diagram of a flange in an automatic feed drive mechanism for honing tool expansion provided by the utility model.

[0020] Description of Figure Numbers:

[0021] 100. Automatic feed drive mechanism for honing tool expansion; 1. housing; 11. threaded hole; 12. first housing; 13. second housing; 14. flange; 141. first connecting hole; 142. second connecting hole; 143. third connecting hole; 2. power input module; 21. conductive slip ring; 22. main power input shaft; 3. expansion power module; 31. first output shaft; 32. motor; 33. reducer; 4. transmission module; 41. universal joint; 42. third output shaft; 43. universal connecting ring.

[0022] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0025] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0026] The utility model provides an automatic feeding drive mechanism 100 for honing a tool.

[0027] See also Figure 1-2In one embodiment of the utility model, the automatic feed drive mechanism 100 for honing tool expansion includes: a shell 1, a power input module 2, a tool expansion power module 3 and a transmission module 4; the shell 1 has an input end and an output end, the input end is provided with a threaded hole 11, and the output end is provided with a through hole; the power input module 2 is connected and assembled to the shell 1 through the threaded hole 11, and the power input module 2 is used to transmit power to the shell 1, thereby driving the shell 1 to rotate; the tool expansion power module 3 is installed in the shell 1, and has a first output shaft 31 passing through the through hole; the first output shaft 31 is connected to the transmission module 4, and the transmission module 4 is used to be connected to the honing rod for transmission, and the first output shaft 31 is used to transmit power to the third output shaft 42 in the transmission module 4, thereby driving the honing tool to automatically expand.

[0028] In this embodiment, the power input module 2 is connected to an external drive mechanism, and the drive mechanism drives and controls the entire automatic feed drive mechanism 100 for honing tool expansion to rotate. A threaded hole 11 is provided at one end of the housing 1 of the automatic feed drive mechanism 100 for honing tool expansion, and the power input module 2 is inserted in the threaded hole 11 and assembled to the housing 1 through a threaded connection. The drive mechanism drives the power input module 2 to rotate, thereby driving the automatic feed drive mechanism 100 for honing tool expansion to rotate. A tool expansion power module 3 is provided inside the housing 1, and the tool expansion power module 3 is provided with a first output shaft 31. The tool expansion power module 3 drives the first output shaft 31 to rotate. A through hole is provided at the other end of the housing 1, and the first output shaft 31 can pass through the through hole to drive and connect with the external transmission module 4, thereby driving and controlling the honing tool to automatically feed and expand. The honing rod has an outer drive rod and an inner feed rod that rotate separately without affecting each other. When the automatic feed drive mechanism 100 for honing tool expansion is in operation, the external drive mechanism drives the power input module 2 to rotate, and the power input module 2 drives the housing 1 to rotate through the threaded hole 11. The housing 1 is connected to the outer drive rod of the honing rod through the universal connecting ring 43 in the connecting module 4, so that the outer drive rod of the honing rod is driven to rotate; a set of expansion power module 3 is also provided inside the housing 1, and the expansion power module 3 drives the internal first output shaft 31 to rotate. The rotation of the first output shaft 31 can transmit power to the transmission module 4 to drive the inner feed rod of the honing rod connected to the third output shaft 42 in the transmission module 4 to rotate. This structure enables the automatic feed drive mechanism 100 used for honing tool expansion to be connected to an external drive mechanism so as to drive and control the rotation of the entire mechanism including the tool expansion power module 3, thereby driving the outer drive rod of the honing rod to rotate, and then driving the honing tool connected to the honing rod to rotate to hone the workpiece; at the same time, the tool expansion power module 3 can independently drive and control the rotation of the third output shaft 42 in the transmission module 4, thereby driving the inner feed rod of the honing rod connected to the third output shaft 42 to rotate, and then driving the honing tool to perform the tool expansion action.

[0029] The utility model sets a power input module 2 in the automatic feed drive mechanism 100 for honing tool expansion to provide power for the rotation of the entire automatic feed drive mechanism 100 for honing tool expansion, and finally drives the honing tool to rotate for honing processing through the connection module 4 and the external drive rod of the honing rod; a tool expansion power module 3 is set in the shell 1 to control the rotation of the internal output shaft of the automatic feed drive mechanism 100 for honing tool expansion, and the output shaft of the tool expansion power module 3 is connected to the transmission module 4 through the shell 1, so that the tool expansion power module 3 drives the internal feed rod of the honing rod to rotate through the transmission module 4, thereby driving the honing tool connected to the honing rod to automatically feed and expand. By only connecting the automatic feed drive mechanism 100 for honing tool expansion to an external drive mechanism, the rotation of the mechanism can be realized, the spatial structure of the honing machine can be optimized, the space utilization rate of the equipment can be improved, and the automatic feed drive mechanism 100 for honing tool expansion can be more conveniently inspected and maintained.

[0030] In one embodiment, the power input module 2 includes a conductive slip ring 21 and a main power input shaft 22; the main power input shaft 22 is inserted into the threaded hole 11 and connected to the shaft end of the housing 1, and the conductive slip ring 21 is sleeved on the main power input shaft 22 and the outer side of the shaft end of the housing 1. The conductive slip ring 21 is used to power the motor in the knife-rising power module 2, so that the motor does not need external wires to rotate, and avoids the motor from being entangled in the wires during operation and eventually causing failure. The conductive slip ring 21 is sleeved on the main power input shaft 22 and the outer side of the threaded hole 11 to power the motor, and the main power input shaft 22 extends into the threaded hole 11 and is connected to the driving thereof, so that the housing 1 drives its internal structure to rotate with the main power input shaft 22.

[0031] In one embodiment, the tool-raising power module 3 includes a motor 32 and a reducer 33, the motor 32 has a second output shaft, the second output shaft is connected to the input end of the reducer 33, and the output end of the reducer 33 is provided with a first output shaft 31; the motor 32 and the reducer 33 are driven and connected through the second output shaft, and the reducer 33 is used to reduce the rotational output speed and torque of the motor 32 to the final required output speed and torque. The reducer 33 is provided with a first output shaft 31 as the final output end of the tool-raising power module 3, which is used to drive the transmission module 4 to perform honing processing on the workpiece.

[0032] In one embodiment, the transmission module 4 includes a universal joint 41 and a third output shaft 42, and the third output shaft 42 is connected to the first output shaft 31 through the universal joint 41; by connecting the universal joint 41, the third output shaft 42 can be adjusted in multiple directions and can be twisted into multiple angles, so that it can output at multiple angles. The universal joint 41 includes a first component connected to the first output shaft 31 and a second component rotatably connected to the first component, the first component and the second component are connected through a rotating shaft, and an avoidance groove is provided at one end of the first component connected to the second component perpendicular to the direction of the rotating shaft, so that the second component can rotate around the rotating shaft in the avoidance groove without being restricted by the first component, the first component is connected to the first output shaft 31, and when the first output shaft 31 rotates, the first component rotates with the first output shaft 31, thereby driving the second component to rotate around the first output shaft 31, and at the same time, the second component itself can rotate around the first component, realizing the universal rotation of the second component, so that the third output shaft 42 connected to the second component can also rotate in the universal direction. The first output shaft 31 of the tool-raising power module 3 is connected to the universal joint 41 in the transmission module 4 through the housing 1, so that the inner feed rod of the honing rod is driven by the transmission module 4, thereby realizing automatic feeding and raising of the honing tool.

[0033] In one embodiment, the housing 1 includes a first housing 12, a second housing 13, and a flange 14 disposed between the first housing 12 and the second housing 13. The motor 32 is disposed in the first housing 12, the reducer 33 is disposed in the second housing 13, and the first housing 12 and the second housing 13 are connected via the flange 14. The flange 14 divides the interior of the housing 1 into two cavities, one of which is used to install the motor 32, and the other is used to install the reducer 33. The motor 32 and the reducer 33 are fixed in the cavity via the flange 14. An axial hole is disposed in the middle of the flange 14, and the output shaft of the motor 32 is connected to the reducer 33 via the axial hole.

[0034] In one embodiment, the flange 14 has first connecting holes 141 arranged at circumferential intervals along a first diameter circle, second connecting holes 142 arranged at circumferential intervals along a second diameter circle, and third connecting holes 143 arranged at circumferential intervals along a third diameter circle; the first diameter is larger than the second diameter and larger than the third diameter; the first connecting holes 141 arranged along the first diameter circle are located at the outermost side and are used to connect the first shell 12 and the second shell 13. The second diameter circle is larger than the third diameter circle. The second connecting holes 142 arranged along the circumference of the second diameter circle are used to fix the larger motor 32, so that the motor 32 and the flange 14 are fixed to each other. The third connecting holes 143 arranged along the circumference of the third diameter circle are used to connect with the smaller reducer 33, so that the reducer 33 is fixed to the other side of the flange 14.

[0035] In one embodiment, the first shell 12 and the second shell 13 are connected to the flange 14 through the first connecting hole 141, the motor 32 is fixedly installed on one side of the flange 14 through the second connecting hole 142 and fasteners, and the reducer 33 is fixedly installed on the side of the flange 14 away from the motor 32 through the second connecting hole 142 and fasteners. The flange 14 is not only used to fix the shell 1 and the knife-raising power module 3, but also can be used to seal the first shell 12 and the second shell 13 to prevent water from entering from the connection between the first shell 12 and the second shell 13, causing mechanical failure. In other embodiments, in order to increase the sealing effect, a seal can be set at the connection between the flange 14 and the first shell 12 and the second shell 13 to improve the sealing performance of the shell 1.

[0036] In one embodiment, the transmission module 4 also includes a universal connecting ring 43, which can be rotatably connected to one end of the second shell 13 away from the first shell 12. The universal connecting ring 43 is used to be universally connected to the outer driving rod of the honing rod, and the rotation of the honing tool is controlled by the rotation drive of the outer driving rod of the honing rod.

[0037] In one embodiment, the main power input shaft 22 includes a limiting portion, a conductive slip ring mounting portion and an input portion, which are arranged along the axial direction and have successively decreasing diameters. The input portion is threadedly connected to the threaded hole 11, and the conductive slip ring 21 is sleeved on the outside of the conductive slip ring mounting portion to connect the power supply and control signal of the motor in the knife-increasing power module 3. The outer diameter of the limiting portion is larger than the inner diameter of the conductive slip ring 21 to limit the axial movement of the conductive slip ring 21; the main power input shaft 22 is a stepped shaft structure with multiple sections of different diameters, wherein a limiting structure is provided on the input portion, which is matched and connected with the threaded hole 11 to make the housing 1 and the main power input shaft 22 rotate synchronously, the outer diameter of the conductive slip ring mounting portion is the same as the outer shaft diameter of the threaded hole 11, so that the conductive slip ring 21 can be more tightly sleeved on the outside of the conductive slip ring mounting portion, and the limiting portion is arranged on the side of the conductive slip ring mounting portion away from the input end to limit the axial movement of the conductive slip ring 21, and the axial displacement of the other side of the conductive slip ring 21 is limited by the housing 1 to prevent the conductive slip ring 21 from falling out of the end.

[0038] The utility model also proposes a honing machine, including a driving mechanism and any one of the above automatic feed driving mechanisms 100 for honing tool expansion, the driving mechanism driving the connection power input module 2; the specific structure of the automatic feed driving mechanism 100 for honing tool expansion refers to the above embodiment, because the present honing machine adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here. Among them, the honing machine is driven by a driving mechanism to connect the power input module 2, thereby driving the main force input shaft 22 in the power input module 2 to rotate, and the main force input shaft 22 drives the mechanism to rotate. When disassembling and repairing, it is only necessary to disconnect the driving mechanism from the automatic feed driving mechanism 100 for honing tool expansion to repair the expansion mechanism, which can save maintenance costs.

[0039] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An automatic feed drive mechanism for honing tool expansion, characterized in that: include: The housing has an input end and an output end, wherein the input end is provided with a threaded hole, and the output end is provided with a through hole; A power input module, the power input module is threadedly connected and assembled to the housing through the threaded hole, and the power input module is used to transmit power to the housing, thereby driving the housing to rotate; a blade-raising power module, installed in the housing, the blade-raising power module having a first output shaft passing through the through hole; and The transmission module, the housing and the first output shaft are respectively connected to the transmission module for transmitting power to the transmission module, and the transmission module is used to be connected to the honing rod for transmission, thereby independently driving the honing tool to rotate and automatically feed and expand the tool.

2. The automatic feed drive mechanism for honing tool expansion according to claim 1, characterized in that: The power input module comprises a conductive slip ring and a main power input shaft; the main power input shaft is inserted into the threaded hole and connected to the housing shaft end, and the conductive slip ring is sleeved on the main power input shaft and the outer side of the housing shaft end.

3. The automatic feeding drive mechanism for honing tool expansion according to claim 1, characterized in that: The knife expansion power module includes a motor and a reducer. The motor has a second output shaft, the second output shaft is connected to the input end of the reducer, and the output end of the reducer is provided with the first output shaft.

4. The automatic feeding drive mechanism for honing tool expansion according to claim 1, characterized in that: The transmission module includes a universal joint and a third output shaft, and the third output shaft is connected to the first output shaft through the universal joint.

5. The automatic feeding drive mechanism for honing tool expansion according to claim 3, characterized in that: The housing comprises a first housing, a second housing and a flange disposed between the first housing and the second housing. The motor is disposed in the first housing, the reducer is disposed in the second housing, and the first housing and the second housing are connected via a flange.

6. The automatic feeding drive mechanism for honing tool expansion according to claim 5, characterized in that: The flange has first connecting holes arranged at circumferential intervals along a first diameter circle, second connecting holes arranged at circumferential intervals along a second diameter circle, and third connecting holes arranged at circumferential intervals along a third diameter circle; the first diameter is larger than the second diameter and larger than the third diameter.

7. The automatic feeding drive mechanism for honing tool expansion according to claim 6, characterized in that: The first shell and the second shell are connected to the flange through a first connecting hole, the motor is fixedly installed on one side of the flange through a second connecting hole and a fastener, and the reducer is fixedly installed on a side of the flange away from the motor through a second connecting hole and a fastener.

8. The automatic feeding drive mechanism for honing tool expansion according to claim 5, characterized in that: The transmission module further comprises a universal connecting ring, and the universal connecting ring is rotatably connected to an end of the second housing which is away from the first housing.

9. The automatic feeding drive mechanism for honing tool expansion according to claim 2, characterized in that: The main force input shaft includes a limit portion, a conductive slip ring mounting portion and an input portion, which are arranged along the axial direction and have successively decreasing diameters. The input portion is threadedly connected to the threaded hole of the shell, and the conductive slip ring is sleeved on the conductive slip ring mounting portion to connect the power supply and control signal circuit of the knife expansion power module. The outer diameter of the limit portion is larger than the inner diameter of the conductive slip ring to limit the axial movement of the conductive slip ring.

10. A honing machine, characterized in that: It comprises a driving mechanism and an automatic feeding driving mechanism for honing a tool as claimed in any one of claims 1 to 9, wherein the driving mechanism is drivingly connected to the power input module.

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