Adjustable boring cutter for boring machine

Abstract

The utility model relates to the technical field of boring cutters, and discloses an adjustable boring cutter for a boring mill, which comprises a transmission rod, a cutter holder is fixedly connected to the side wall of the transmission rod, when the boring cutter is mounted, a cutter bar is matched with a locking cylinder to be inserted into the cutter holder, so that the cutter bar moves between a first clamping piece and a second clamping piece, and the cutter bar is fixed on the transmission rod. After the boring cutter moves to a roughly calculated position, a locking bolt on the side wall of the second clamping piece is screwed down to be matched with the first clamping piece to clamp and lock the cutter bar, and at the moment, an adjusting screw rod is matched with the interiors of threaded holes of the first clamping piece and the second clamping piece; then the adjusting screw rod is rotated to be matched with threads in the threaded hole, so that the first clamping piece and the second clamping piece drive the cutter bar to move slightly, and after the boring cutter is adjusted to the position, a locking bolt of a locking cylinder is tightened to lock the position of the boring cutter, so that the position of the boring cutter is slightly adjusted when the boring cutter is installed; therefore, the position of the boring cutter can be adjusted more accurately, and the boring machine can process holes more accurately.

Description

TECHNICAL FIELD

[0001] The utility model relates to boring bar technology field, concretely is adjustable boring bar with boring bar. BACKGROUND

[0002] Boring machine is a kind of machine tool for precision machining hole, mainly used for enlarging and finishing the aperture of existing hole to improve the dimensional accuracy and surface finish of hole. Its working principle is through the rotation and feed movement of boring bar, workpiece is fixed on the workbench, and the cutting action of boring bar is used to remove excess material. Boring machine is widely used in automobile, aviation, mechanical manufacturing and other industries, and is crucial to improve the machining accuracy and quality of parts. Modern boring machine also combines numerical control technology, can realize automatic machining, improve production efficiency and flexibility.

[0003] The existing boring bar with boring bar usually uses bolt to lock the cutter bar to the end of transmission rod, and when adjusting the position of boring bar, the cutter bar slides to the inside of transmission rod at the end of transmission rod to realize the adjustment of boring bar position, which is not convenient for the small adjustment of cutter bar, the accuracy is poor, the boring bar is not accurately positioned, and the machining accuracy of boring machine is affected, therefore, we provide a kind of adjustable boring bar with boring bar. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of adjustable boring bar with boring bar to solve the problem of poor accuracy of not being convenient for the small adjustment of cutter bar in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable boring bar with boring bar, including transmission rod, the transmission rod side wall is fixedly connected with tool holder, the tool holder side wall is fixedly connected with locking cylinder, the locking cylinder side wall is penetrated with cutter bar, the tool holder top is equipped with opening, the opening is provided with clamping piece one and clamping piece two inside, the clamping piece two side wall is provided with locking bolt, the clamping piece two and the clamping piece one side wall are equipped with threaded hole, the tool holder side wall is penetrated with the adjustment screw rod matched in threaded hole.

[0006] Preferably, the clamping piece two bottom is provided with sliding block, the tool holder is provided with the limit slot matched in sliding block inside.

[0007] Preferably, the sliding block side wall is equipped with sliding hole, the limit slot is fixedly connected with the limit rod matched in sliding hole inside.

[0008] Preferably, the clamping piece one is rotatably connected to the side wall of sliding block, and the clamping piece one and the clamping piece two are matched in the inside of tool holder.

[0009] Preferably, the clamping piece one is provided with antiskid strip inside, and the cutter bar is matched between the clamping piece one and the clamping piece two.

[0010] Preferably, the outer wall of the cutter bar is provided with anti-skid lines, and the outer wall of the locking cylinder is provided with locking bolts matched with the cutter bar.

[0011] Preferably, the adjusting screw is matched with the inside of the opening, the outer wall of the adjusting screw is provided with threads,

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. When installing the boring cutter, the cutter bar matched with the locking cylinder is inserted into the inside of the cutter holder, so that the cutter bar moves between the clamping piece one and the clamping piece two, when the boring cutter is displaced to the position calculated roughly, the locking bolts on the side wall of the clamping piece two are tightened to clamp and lock the cutter bar with the clamping piece one, at this time, the adjusting screw is matched with the threaded holes in the clamping piece one and the clamping piece two, then the threads in the threaded holes are rotated to make the clamping piece one and the clamping piece two drive the cutter bar to displace slightly, after the boring cutter is adjusted to the position, the locking bolts of the locking cylinder are tightened to lock the position of the boring cutter, so that the position of the boring cutter is adjusted slightly when the boring cutter is installed, the boring cutter position is adjusted more accurately, and the boring machine is more accurate when machining holes.

[0014] 2. When the adjusting screw is rotated to drive the clamping piece one and the clamping piece two to displace, the sliding block slides under the limiting of the limiting rod, and the outside of the sliding block is limited by the limiting groove, so that the displacement direction is limited when the clamping piece two and the clamping piece one displace, the clamping piece one and the clamping piece two are prevented from being inclined, and the stability of the boring cutter adjustment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the inside structure schematic diagram of the cutter holder of the utility model;

[0017] Figure 3 It is the combined structure schematic diagram of the clamping piece one and the clamping piece two of the utility model;

[0018] Figure 4 It is the structure schematic diagram of the clamping piece one of the utility model.

[0019] In the drawing: 100, transmission rod; 110, cutter holder; 111, locking cylinder; 120, cutter bar; 121, anti-skid line; 130, opening; 140, clamping piece one; 141, locking bolt; 142, clamping piece two; 143, threaded hole; 144, anti-skid strip; 150, sliding block; 151, sliding hole; 160, limiting groove; 161, limiting rod; 170, adjusting screw. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] EMBODIMENT

[0022] Please refer to Figures 1-4 , a boring tool of adjustable boring machine shown in the figure, including transmission rod 100, transmission rod 100 power input end is provided with the driving motor commonly seen in the market, can drive transmission rod 100 rotation, transmission rod 100 side wall is tightly welded with tool holder 110, tool holder 110 side wall is tightly welded with locking cylinder 111, locking cylinder 111 side wall is penetrated with tool bar 120, the distal end of tool bar 120 is welded with boring tool head, the top of tool holder 110 is provided with opening 130, opening 130 is provided with clamping piece one 140 and clamping piece two 142 inside, clamping piece two 142 side wall is provided with locking bolt 141, when unscrewing locking bolt 141, clamping piece two 142 can rotate back, release the clamping of adjusting screw 170 and tool bar 120, the inside of tool holder 110 is provided with cavity that is matched with the rotation of clamping piece two 142, the side wall of clamping piece two 142 and clamping piece one 140 is provided with threaded hole 143, the side wall of tool holder 110 is penetrated with adjusting screw 170 that is matched with threaded hole 143.

[0023] Specifically, clamping piece two 142 bottom is tightly welded with sliding block 150, tool holder 110 is provided with limiting groove 160 that is matched with sliding block 150 inside, the inner wall of limiting groove 160 is coated with lubricating oil, to facilitate the sliding of sliding block 150 in limiting groove 160.

[0024] Further, the side wall of sliding block 150 is provided with sliding hole 151, the inside of limiting groove 160 is tightly welded with limiting rod 161 that is matched with sliding hole 151, limiting rod 161 is made of stainless steel rod with smooth outer surface.

[0025] Still further, clamping piece one 140 is rotatably connected to the side wall of sliding block 150, clamping piece one 140 and clamping piece two 142 are matched in the inside of tool holder 110.

[0026] It is worth mentioning that the inside of clamping piece one 140 is provided with anti-skid strip 144, anti-skid strip 144 is integrally formed with clamping piece one 140, made of stainless steel injection molding, tool bar 120 is matched between clamping piece one 140 and clamping piece two 142, clamping piece two 142 is made of stainless steel.

[0027] It is worth noting that the outer wall of the cutter bar 120 is provided with anti-skid lines 121, and the outer wall of the locking cylinder 111 is provided with locking bolts matched with the cutter bar 120.

[0028] In addition, the adjusting screw 170 is matched with the inside of the opening 130, and the outer wall of the adjusting screw 170 is provided with threads.

[0029] Working principle: when installing the boring cutter, the cutter bar 120 matched with the locking cylinder 111 is inserted into the inside of the cutter seat 110, so that the cutter bar 120 moves between the clamping piece one 140 and the clamping piece two 142, when the boring cutter is displaced to the roughly calculated position, the locking bolt 141 matched with the clamping piece one 140 on the side wall of the clamping piece two 142 is tightened to clamp and lock the cutter bar 120, at this time, the adjusting screw 170 is matched with the inside of the threaded hole 143 of the clamping piece one 140 and the clamping piece two 142, and then the thread matched with the inside of the threaded hole 143 of the adjusting screw 170 is rotated to make the clamping piece one 140 and the clamping piece two 142 drive the cutter bar 120 to be slightly displaced, and after the boring cutter is adjusted to the position, the locking bolt of the locking cylinder 111 is tightened to lock the position of the boring cutter, so that the position of the boring cutter is slightly adjusted when the boring cutter is installed, the position of the boring cutter is adjusted more accurately, and the boring machine is more accurate when machining holes; when the adjusting screw 170 is rotated to drive the clamping piece one 140 and the clamping piece two 142 to be displaced, the sliding block 150 slides under the limiting of the limiting rod 161, and the outside of the sliding block 150 is limited by the limiting groove 160, so that the limiting direction of the clamping piece two 142 and the clamping piece one 140 is limited when they are displaced, the clamping piece one 140 and the clamping piece two 142 are prevented from being deflected, and the stability of the boring cutter adjustment is improved.

[0030] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A boring tool for a boring machine, comprising a transmission rod (100), characterized in that: The transmission rod (100) side wall is fixedly connected with a cutter seat (110), the cutter seat (110) side wall is fixedly connected with a locking cylinder (111), the locking cylinder (111) side wall is penetrated by a cutter rod (120), the cutter seat (110) top is provided with an opening (130), the opening (130) is provided with a clamping piece one (140) and a clamping piece two (142), the clamping piece two (142) side wall is provided with a locking bolt (141), the clamping piece two (142) and the clamping piece one (140) side wall are provided with threaded holes (143), the cutter seat (110) side wall is penetrated by an adjusting screw rod (170) matched with the threaded hole (143).

2. The adjustable boring tool for boring machine according to claim 1, wherein: The clamping piece two (142) bottom is provided with a sliding block (150), and the cutter seat (110) is internally provided with a limiting groove (160) matched with the sliding block (150).

3. The adjustable boring tool for a boring machine according to claim 2, wherein: The sliding block (150) side wall is provided with a sliding hole (151), and the limiting groove (160) is internally fixedly connected with a limiting rod (161) matched with the sliding hole (151).

4. The adjustable boring tool for boring machine according to claim 1, wherein: The clamping piece one (140) is rotatably connected to the side wall of the sliding block (150), and the clamping piece one (140) and the clamping piece two (142) are matched with the inside of the cutter seat (110).

5. The adjustable boring tool for a boring machine according to claim 1, wherein: The clamping piece one (140) is internally provided with an antiskid strip (144), and the cutter rod (120) is matched between the clamping piece one (140) and the clamping piece two (142).

6. The adjustable boring tool for a boring machine according to claim 1, wherein: The cutter rod (120) outer wall is provided with an antiskid line (121), and the locking cylinder (111) outer wall is provided with a locking bolt matched with the cutter rod (120).

7. The adjustable boring tool for a boring machine according to claim 1, wherein: The adjusting screw rod (170) is matched with the inside of the opening (130), and the adjusting screw rod (170) outer wall is provided with a screw thread.

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