Deep hole boring device based on lathe carriage

Abstract

The utility model discloses a deep hole boring device based on a lathe carriage, a lathe comprises the lathe carriage and a workpiece fixing part which is opposite to the lathe carriage and is used for fixing a shaft tube workpiece, the lathe carriage has linear displacement along the axial direction of the shaft tube workpiece, and a cutter bar seat is arranged on the lathe carriage. A boring cutter rod which is detachably arranged and is opposite to the axial direction of the shaft tube workpiece is arranged on the cutter rod seat, and a lathe boring cutter is arranged at one end, facing the shaft tube workpiece, of the boring cutter rod. According to the utility model, the boring cutter bar can be loaded and mounted by the lathe carriage through lathe transformation, so that the machining requirements of boring deep holes are met, and the boring quality is stable. The locking stability of boring cutter rod carrying is met, carrying is reliable, and the stability and precision of machining operation are guaranteed. And the boring cutter rod is convenient and efficient in model changing and high in universality. Old equipment transformation is easy to realize, and high economic value is achieved.

Description

Technical Field

[0001] The utility model relates to a deep hole boring device based on a lathe slide, belonging to the technical field of lathe transformation. Background Art

[0002] In machining operations, there is a boring process, which is generally achieved using lathes and other processing equipment. Due to the limited boring stroke of lathes and other machining equipment, it is difficult to achieve deep hole boring operations.

[0003] Currently, there are shaft tube parts that require deep hole processing with a relatively deep stroke in the inner cavity. The boring stroke of the deep hole is more than 10 cm, and traditional machining equipment such as lathes cannot meet its stroke requirements.

[0004] To address this situation, the existing technology basically adopts the method of customized boring equipment. The customized boring equipment adopts an extension rod with a longer shaft size to carry the tool, and adopts a matching shaft tube workpiece clamping displacement fixture to cooperate with it. That is, the tool is stationary and the workpiece moves. Such a design has a high equipment cost. The additionally designed workpiece clamping displacement fixture has poor guide displacement stability, which will produce a certain amount of machining vibration, affecting the accuracy of deep hole boring, and greatly affecting the product qualification rate. Utility Model Content

[0005] The purpose of the utility model is to solve the deficiencies of the above-mentioned prior art. In view of the problems that traditional lathes cannot realize deep boring operations and the customization cost is high and the processing accuracy is poor, a deep hole boring device based on a lathe slide is proposed.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the present utility model is:

[0007] A deep hole boring device based on a lathe slide, the lathe comprising a lathe slide and a workpiece fixing portion opposite to the lathe slide for fixing an axial tube workpiece, the lathe slide having a linear displacement along the axial direction of the axial tube workpiece;

[0008] A tool bar seat is provided on the lathe slide. A detachable boring bar axially opposite to the shaft tube workpiece is provided on the tool bar seat. A turning and boring tool is provided on one end of the boring bar facing the shaft tube workpiece.

[0009] Preferably, the tool bar seat includes a supporting base and a tool bar fixing block detachably provided on the supporting base, and a tool bar locking channel for carrying the boring bar is formed between the supporting base and the tool bar fixing block.

[0010] Preferably, a wear-resistant sleeve with a slit for sleeved on the outer periphery of the boring bar is provided in the tool bar locking channel.

[0011] Preferably, an axial groove opposite to the slit is provided on the inner cavity wall of the wear-resistant sleeve.

[0012] Preferably, the inner cavity wall of the wear-resistant sleeve is provided with grooves or protrusions for increasing the clamping and fastening force.

[0013] Preferably, the lathe slide has a horizontal centering adjustment displacement perpendicular to the axial direction of the shaft tube workpiece.

[0014] Preferably, the lathe carriage is provided with an adjustment carrier plate arranged parallel to the boring bar, and the adjustment carrier plate has a linear adjustment displacement along the axial direction of the shaft tube workpiece;

[0015] The adjusting carrier plate is provided with a lathe tool rest.

[0016] Preferably, a positioning structure is detachably provided on the lathe tool holder.

[0017] The beneficial effects of the present invention are mainly reflected in:

[0018] 1. The lathe can be modified to use the lathe slide to realize the installation of boring bar, which meets the machining requirements of deep hole boring and has stable boring quality.

[0019] 2. It can ensure the locking stability of the boring bar and the mounting is reliable, thus guaranteeing the stability and precision of machining operations.

[0020] 3. The boring bar can be changed easily and efficiently, and has strong versatility.

[0021] 4. It is easy to realize the transformation of old equipment and has high economic value. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0023] Figure 1 The utility model is a structural schematic diagram of a deep hole boring device based on a lathe slide.

[0024] Figure 2 The utility model is a schematic diagram of the exploded structure of a deep hole boring device based on a lathe slide.

[0025] Figure 3 The utility model is a side structural schematic diagram of a deep hole boring device based on a lathe slide.

[0026] Figure 4 It is another side structural schematic diagram of the deep hole boring device based on the lathe slide of the utility model.

[0027] Figure 5The utility model is a schematic diagram of the top view of the structure of the deep hole boring device based on the lathe slide. DETAILED DESCRIPTION

[0028] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] The present application will be further described in detail below with reference to the accompanying drawings and examples. It will be understood that the specific embodiments described herein are intended only to explain the relevant utility model and are not intended to limit the utility model. It should also be noted that, for ease of description, only portions relevant to the relevant utility model are shown in the accompanying drawings. It should be noted that the embodiments and features in the embodiments of this application may be combined with each other unless there is a conflict.

[0030] The utility model provides a deep hole boring device based on a lathe slide, such as Figures 1 to 5 As shown, the lathe includes a lathe slide 1 and a workpiece fixing portion opposite to the lathe slide 1 for fixing the axial tube workpiece 100. The lathe slide 1 has a linear displacement along the axial direction of the axial tube workpiece.

[0031] To be specific, the workpiece fixing part and the lathe slide 1 are both mechanisms that come with the lathe in the prior art. The workpiece fixing part is generally a fixing mechanism such as a clamping plate, and the lathe slide 1 is a displacement seat for carrying the lathe tool holder. The displacement of the traditional lathe slide 1 is used to adjust the positioning stroke and machining stroke of the lathe tool holder. The traditional lathe tool holder cannot carry a deep boring tool structure, so it is impossible to realize the deep hole boring processing operation.

[0032] In this case, if Figures 1 to 5 As shown, a tool bar seat 2 is provided on the lathe slide 1, and a detachable boring bar 3 is provided on the tool bar seat 2 and is axially opposite to the shaft tube workpiece. A turning and boring tool 4 is provided on one end of the boring bar 3 facing the shaft tube workpiece.

[0033] Specific implementation process and principle description:

[0034] That is, the lathe carriage 1 in the traditional lathe is used to realize the mounting of the tool bar seat 2, which meets the detachable mounting requirements for the boring bar 3, and the boring tool 4 thereon meets the boring requirements.

[0035] The precise guide travel of the lathe carriage 1 of a conventional lathe satisfies the requirements for deep hole boring, while the workpiece mounting mechanism built into the carriage also secures the workpiece, enabling deep hole boring operations. This allows for low-cost retrofits while maintaining machining accuracy.

[0036] In a specific embodiment, the tool bar seat 2 includes a supporting base 21 and a tool bar fixing block 22 detachably provided on the supporting base, and a tool bar locking channel 5 for carrying a boring bar is formed between the supporting base and the tool bar fixing block.

[0037] That is, through the cooperation between the supporting base 21 and the tool bar fixing block 22, the tool bar locking channel 5 is formed to meet the requirements of mounting and locking the boring bar.

[0038] In a specific embodiment, a wear-resistant sleeve 6 with a slit 60 is provided in the tool bar locking channel 5 for being sleeved on the outer periphery of the boring tool bar.

[0039] Specifically, since the boring bar 3 is subjected to axial pressure during the machining process, a wear-resistant sleeve 6 is designed, and the slit 60 is used to meet the requirements of smooth threading and effective locking of the boring bar 3 after locking, thereby protecting the boring bar 3 and ensuring its locking stability during the machining process.

[0040] In a specific embodiment, an axial groove 61 opposite to the slit is provided on the inner wall of the wear-resistant sleeve 6 .

[0041] The axial groove 61 can provide a certain opening deformation of the slit 60, so as to meet the requirement of smooth insertion of the boring bar after disassembly.

[0042] In a specific embodiment, the inner wall of the wear-resistant sleeve 6 is provided with a groove or protrusion 62 for increasing the clamping and fastening force.

[0043] Specifically, the inner wall of the wear-resistant sleeve 6 will abut against the outer wall of the boring bar. It is a surface abutment and adopts a groove or protrusion design. The friction between them will increase after being subjected to force, thereby significantly improving the axial relative locking stability.

[0044] In a specific embodiment, the lathe slide 1 has a horizontal centering adjustment displacement perpendicular to the axial direction of the shaft tube workpiece.

[0045] This horizontal centering adjustment displacement belongs to the existing technology, that is, the lathe slide 1 itself has this displacement, which can achieve axial alignment adjustment. Of course, the relative height displacement is adjusted through the workpiece end.

[0046] In a specific embodiment, the lathe slide 1 is provided with an adjustment carrier plate 7 arranged parallel to the boring bar 3, the adjustment carrier plate has a linear adjustment displacement along the axial direction of the shaft tube workpiece, and a lathe tool holder 8 is provided on the adjustment carrier plate 7.

[0047] Specifically, the shaft tube workpiece 100 generally also has the need for turning and milling of the outer surface. The boring bar 3 of the lathe carriage 1 can meet the processing requirements of inner deep hole boring. When working on the outer wall, the bar holder 2 can be removed and the lathe tool holder 8 is used for corresponding machining.

[0048] In a specific embodiment, a positioning structure is detachably provided on the lathe tool holder 8 .

[0049] Specifically, when boring, the boring bar 3 is located inside the workpiece, and it is difficult to monitor its position. Therefore, a positioning structure is provided on the lathe tool holder 8 to achieve relative position detection. For example, a position sensor, a metal positioning block, etc. are provided to monitor the position and ensure machining accuracy.

[0050] As can be seen from the above description, the lathe carriage-based deep hole boring device of this utility model can be retrofitted onto a lathe, utilizing the lathe carriage to mount a boring bar, meeting the machining requirements for deep holes and achieving consistent boring quality. It provides stable locking of the boring bar, ensuring reliable mounting and ensuring machining stability and precision. Boring bar replacement is convenient and efficient, and the device offers high versatility. It is also easily adaptable to older equipment and offers high economic value.

[0051] The term "comprise" or any other similar term is intended to cover non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0052] Thus far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art may make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will fall within the scope of protection of the present invention.

Claims

1. A deep hole boring device based on a lathe carriage, wherein the lathe comprises a lathe carriage and a workpiece fixing portion opposite to the lathe carriage for fixing an axial tube workpiece, wherein the lathe carriage has a linear displacement along the axial direction of the axial tube workpiece, and is characterized in that: A tool bar seat is provided on the lathe slide. A detachable boring bar axially opposite to the shaft tube workpiece is provided on the tool bar seat. A turning and boring tool is provided on one end of the boring bar facing the shaft tube workpiece.

2. The deep hole boring device based on a lathe slide according to claim 1, characterized in that: The tool bar seat includes a supporting base and a tool bar fixing block detachably arranged on the supporting base, and a tool bar locking channel for carrying the boring bar is formed between the supporting base and the tool bar fixing block.

3. The deep hole boring device based on a lathe slide according to claim 2, characterized in that: A wear-resistant sleeve with a slit for sleeve-fitting on the outer periphery of the boring bar is provided in the tool bar locking channel.

4. The deep hole boring device based on a lathe slide according to claim 3, characterized in that: An axial groove opposite to the slit is provided on the inner cavity wall of the wear-resistant sleeve.

5. The deep hole boring device based on a lathe slide according to claim 3, characterized in that: The inner cavity wall of the wear-resistant sleeve is provided with grooves or protrusions for increasing the clamping and fastening force.

6. The deep hole boring device based on a lathe slide according to any one of claims 1 to 5, characterized in that: The lathe slide has a horizontal centering adjustment displacement perpendicular to the axial direction of the shaft tube workpiece.

7. The deep hole boring device based on a lathe slide according to any one of claims 1 to 5, characterized in that: The lathe carriage is provided with an adjustment carrier plate arranged parallel to the boring bar, and the adjustment carrier plate has a linear adjustment displacement along the axial direction of the shaft tube workpiece; The adjusting carrier plate is provided with a lathe tool rest.

8. The deep hole boring device based on a lathe slide according to claim 7, characterized in that: The lathe tool holder is detachably provided with a positioning structural part.

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