Novel knife rest

Abstract

The utility model discloses a novel knife rest which comprises a knife rest body, a pressing clamp and a locking piece, and the knife rest body is provided with a knife handle loading groove and an adjusting groove. The adjusting groove is formed in the side wall of the cutter handle loading groove and communicates with the cutter handle loading groove. The pressing clamp is provided with a first pressing part and a second pressing part which correspond to the two side faces of the fixed cutter. The pressing clamp is connected with the adjusting groove through the locking piece. When the locking piece locks and fixes the pressing clamp to be connected with the knife rest, the first pressing part, the second pressing part and the knife handle loading groove are opposite to the side walls of the first pressing part and the second pressing part, and the knife in the knife handle loading groove is pressed and fixed. The knife handle loading groove comprises a groove wall bottom surface, a left groove wall surface and a right groove wall surface; the adjusting groove is formed in the left groove wall face side or the right groove wall face side. When the pressing clamp in the adjusting groove is located on the right groove wall face side, the groove wall bottom face, the left groove wall face, the first pressing part and the second pressing part press and fix the cutter in the cutter handle loading groove.

Description

TECHNICAL FIELD

[0001] The present application relates to machine tool processing device technical field, specifically a kind of new tool holder. BACKGROUND

[0002] Tool holder is a main part in tool holder, and the tool holder is disassembled and assembled in tool holder, so that tool is replaced, and different types of different materials are machined.The prior art, such as patent application No.201010127057.X patent document discloses a tool and tool holder for cutting machining, and patent application No.201310064851.8 patent document discloses a groove insert, a clamping fixture for the groove insert and a groove cutting tool, which are all traditional tool holders, and a strip is fixed on the tool holder by tightening bolts to tighten and fix the tool on the tool holder.In this tool holder, only the strip exerts lateral extrusion force on the tool handle, and the stability is not good.Moreover, a long strip is provided with a plurality of screw holes, and a plurality of pressure points are correspondingly provided, and when the screw is screwed, the strip is prevented from being tightened at one place and being lifted at another place, and the screwing amount of the plurality of bolts needs to be switched multiple times to ensure that the screwing amount of the bolts is consistent.Therefore, the traditional tool holder is complicated to operate when installing the tool, and the tool is not fully and stably fixed on the tool holder, resulting in low machining precision. CONTENT OF THE UTILITY MODEL

[0003] The utility model mainly aims at the above problems, and proposes a new tool holder, to solve the technical problems in the background art.

[0004] To achieve the above object, the utility model provides a new tool holder, which comprises a tool holder, a pressing clamp and a locking part, the tool holder is provided with a tool handle loading groove and an adjusting groove, the adjusting groove is arranged on the side wall of the tool handle loading groove and is communicated with the tool handle loading groove, the pressing clamp is provided with a first pressing part and a second pressing part corresponding to the two side surfaces of the fixed tool, the pressing clamp is connected with the adjusting groove through the locking part, when the locking part locks and fixes the pressing clamp and the tool holder, the first pressing part, the second pressing part and the tool handle loading groove are fixed relative to the side wall of the first pressing part and the second pressing part, and the tool in the tool handle loading groove is pressed and fixed.

[0005] Further, the tool handle loading groove comprises a groove wall bottom surface, a left groove wall surface and a right groove wall surface, the adjusting groove is arranged on the left groove wall surface side or the right groove wall surface side, when the pressing clamp in the adjusting groove is located on the left groove wall surface side, the groove wall bottom surface, the right groove wall surface, the first pressing part and the second pressing part press and fix the tool in the tool handle loading groove, and when the pressing clamp in the adjusting groove is located on the right groove wall surface side, the groove wall bottom surface, the left groove wall surface, the first pressing part and the second pressing part press and fix the tool in the tool handle loading groove.

[0006] Further, the cross-sectional profile of the tool shank loading slot is rectangular; the wall surface opposite to the bottom surface of the wall of the tool shank loading slot is open; the top end and the bottom end wall of the tool shank loading slot are open, at least the bottom end wall is open.

[0007] Further, the pressing clamp comprises a driving block and a driven pressing block; the driving block and the driven pressing block are slidably connected through a slide rail sliding groove structure; the slide rail sliding groove is arranged in an inclined manner; the first pressing part is arranged on the side wall of the driven pressing block and is flush with the left wall surface and the right wall surface of the tool shank loading slot; the second pressing part is a pressing strip arranged on the top of the driven pressing block; during the locking and fixing of the tool holder by the locking part, the second pressing part and the first pressing part are respectively moved towards the direction of the bottom surface of the wall of the tool shank loading slot and the left wall surface or the right wall surface.

[0008] Further, the pressing clamp is provided with a receiving groove corresponding to the locking part; the receiving groove is used for accommodating the locking part.

[0009] Further, the number of the adjusting slots and the pressing clamps is three, and the adjusting slots and the pressing clamps are distributed along the length direction of the tool shank loading slot.

[0010] Further, the number of the tool shank loading slots is multiple, and the tool shank loading slots are arranged in parallel.

[0011] Further, the angle between the inclined direction of the slide rail sliding groove and the bottom surface of the wall is an acute angle.

[0012] Further, the locking part is a bolt, and the tool holder and the pressing clamp are provided with a connecting hole corresponding to the bolt.

[0013] Further, the pressing clamp is provided with a nut corresponding to the bolt, the nut is rotationally connected with the driving block, and the bolt is fixedly connected with the nut.

[0014] Compared with the prior art, the novel tool holder provided by the utility model can fix the tool in one more degree of freedom compared with the tool seat in the prior art, the pressing clamp not only provides extrusion force to the tool, but also provides pressing force, so that the fixation is more sufficient; and only one operation of the locking part is needed to fix the pressing clamp, the fixed tool and the tool holder, and one more operation of the locking part is needed to disconnect the pressing clamp from the tool holder and take out the fixed tool from the tool shank loading slot, so that the operation is convenient.

[0015] In the process of locking the clamping piece to fix the clamping piece and the tool holder, the first clamping part enters the tool handle loading slot from the adjusting slot, and the side wall of the fixed tool is fixed by the first clamping part. The second clamping part fixes the fixed tool, which is consistent with the principle of the conventional pressing strip fixing the tool. Then the wall surface of the tool handle loading slot opposite to the first clamping part and the second clamping part is in contact with the tool handle of the fixed tool, and plays a surrounding role. Therefore, when the tool is fixed to the machined workpiece by the machine tool using the tool holder, the machined workpiece can be moved relative to the tool to obtain high stability of the tool relative to the tool holder, and the machining quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of a novel tool holder of the present application.

[0017] Figure 2 It is a top view of a novel tool holder of the present application.

[0018] Figure 3 It is a structural exploded view of a novel tool holder of the present application.

[0019] Figure 4 It is a structural exploded view of a clamping piece of a novel tool holder of the present application.

[0020] Figure 5 It is a sectional view of a clamping piece of a novel tool holder of the present application.

[0021] Figure 6 It is an angle between the inclined direction of the sliding rail sliding groove of the clamping piece of the novel tool holder and the groove wall bottom surface.

[0022] The reference signs shown in the figure are as follows: 1, tool holder; 110, tool handle loading slot; 111, groove wall bottom surface; 112, left groove wall surface; 113, right groove wall surface; 120, adjusting slot; 2, clamping piece; 210, driving block; 220, driven pressing block; 221, first clamping part; 222, second clamping part; 223, accommodating groove; 3, angle; 4, nut. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application. It can be understood that the drawings are only provided for reference and illustration, and are not used to limit the present application. The connection relationship shown in the drawings is only for clear description, and does not limit the connection mode.

[0024] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component, or a middle component can exist at the same time. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. It should also be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The terms used in the description of the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the present application.

[0025] It should also be noted that in the description of the present application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] Please refer to Figure 1 Figure 6 The present embodiment provides a new tool holder, comprising a tool holder 1, a pressing clamp 2, a locking member (not shown), the tool holder 1 is provided with a tool handle loading groove 110 and an adjusting groove 120; the adjusting groove 120 is arranged at the side wall of the tool handle loading groove 110 and communicates with the tool handle loading groove 110; the pressing clamp 2 is provided with a first pressing part 221 and a second pressing part 222 corresponding to the two side surfaces of the fixed tool (not shown); the pressing clamp 2 is slidably arranged in the adjusting groove 120; the pressing clamp 2 is connected with the adjusting groove 120 through the locking member; when the locking member locks and fixes the pressing clamp 2 and the tool holder 1, the first pressing part 221, the second pressing part 222 and the tool handle loading groove 110 are relative to the side wall of the first pressing part 221 and the second pressing part 222, and the tool in the tool handle loading groove 110 is pressed and fixed.

[0027] ​Compared with the tool seat in the prior art, the tool handle fixing structure of the pressing clamp 2 can fix in one more degree of freedom direction, the pressing clamp 2 provides not only extrusion force but also compression force to the tool, and the fixing is more sufficient; and only one operation of the locking piece is needed to complete the fixing of the pressing clamp 2, the fixed tool and the tool rest 1, and one more operation of the locking piece can disconnect the pressing clamp 2 from the tool rest 1 and take out the fixed tool from the tool handle loading groove 110, which is convenient to operate.

[0028] In the process of locking and fixing the connection between the pressing clamp 2 and the tool rest 1 by operating the locking piece, the first pressing part 221 enters the tool handle loading groove 110 from the adjusting groove 120 to abut and fix the side wall of the fixed tool. The second pressing part 222 abuts and fixes the fixed tool, which is consistent with the principle of the conventional pressing strip fixing the tool. Then, the wall surface opposite to the first pressing part 221 and the second pressing part 222 of the tool handle loading groove 110 is also in contact with the tool handle of the fixed tool to form a surrounding effect. Therefore, the machine tool using the tool rest can obtain high stability of the tool relative to the tool rest 1 when the tool abuts against the machined workpiece and the machined workpiece moves relative to the tool, thereby improving the machining quality.

[0029] Please refer to Figure 1 - Figure 3 , the tool handle loading groove 110 includes a groove wall bottom surface 111, a left groove wall surface 112 and a right groove wall surface 113; the adjusting groove 120 is arranged on the left groove wall surface 112 side or the right groove wall surface 113 side;

[0030] When the pressing clamp 2 in the adjusting groove 120 is located on the left groove wall surface 112 side, the groove wall bottom surface 111, the right groove wall surface 113, the first pressing part 221 and the second pressing part 222 press and fix the tool in the tool handle loading groove 110;

[0031] When the pressing clamp 2 in the adjusting groove 120 is located on the right groove wall surface 113 side, the groove wall bottom surface 111, the left groove wall surface 112, the first pressing part 221 and the second pressing part 222 press and fix the tool in the tool handle loading groove 110.

[0032] The pressing clamp 2 is arranged with the adjusting groove 120, that is, it can be arranged on the left side of the tool handle loading groove 110 or on the right side of the tool handle loading groove 110.

[0033] Please refer to Figure 1 - Figure 3 , the tool handle loading groove 110 has a rectangular cross-sectional profile; the wall surface opposite to the groove wall bottom surface 111 of the tool handle loading groove 110 is open; and the top end and the bottom end wall surface of the tool handle loading groove 110 are open, at least the bottom end wall surface is open.

[0034] The bottom end wall surface of the tool handle loading slot 110 is opened to facilitate the exposure of the tool head and the insertion and removal of the tool.

[0035] Please refer to Figure 3 - Figure 6 The pressing clamp 2 comprises a driving block 210 and a driven pressing block 220, and the driving block 210 and the driven pressing block 220 are connected through a slide rail and slide groove structure.

[0036] The pressing clamp 2 is divided into two half structures, i.e., the driving block 210 and the driven pressing block 220, and the driven pressing block 220 is the half structure close to the tool handle loading slot 110.

[0037] The slide rail can be arranged on the driving block 210, and the slide groove can be arranged on the driven pressing block 220. Alternatively, the slide rail can be arranged on the driven pressing block 220, and the slide groove can be arranged on the driving block 210. Preferably, the slide groove is a dovetail groove, which facilitates the connection and prevents the two from being easily separated.

[0038] The slide rail and slide groove are arranged in an inclined manner, so that when the locking member is locked and fixed to connect the pressing clamp 2 and the tool holder 1, the second pressing part 222 and the first pressing part 221 are respectively moved towards the bottom surface 111 of the slot wall close to the tool handle loading slot 110, the left slot wall surface 112 or the right slot wall surface 113.

[0039] The first pressing part 221 is arranged on the side wall of the driven pressing block 220, and the wall surface is flush with the left slot wall surface 112 and the right slot wall surface 113 of the tool handle loading slot 110. The second pressing part 222 is a pressing strip arranged on the top of the driven pressing block 220.

[0040] Please refer to Figure 4 and Figure 5 The pressing clamp 2 is provided with a containing groove 223 corresponding to the locking member, and the containing groove 223 is used to accommodate the locking member.

[0041] Through this design, the locking member can be prevented from extending out of the containing groove 223, thereby saving space.

[0042] Please refer to Figure 1 The number of the adjusting grooves 120 and the pressing clamps 2 is three, and they are distributed along the length direction of the tool handle loading slot 110.

[0043] Compared with the whole pressing strip, the three pressing clamps 2 are more convenient to operate when connected to the tool holder 1 through the locking member.

[0044] In some embodiments, the number of the adjusting grooves 120 and the number of the clamping jaws 2 are not limited, and can be adaptively set according to the length of the clamped tool shank and the length of the shank loading grooves 110 of the tool holder 1.

[0045] Please refer to Figure 1 - Figure 3 The number of the shank loading grooves 110 is multiple, and the shank loading grooves 110 are arranged in parallel.

[0046] This design can make the tool holder 1 load multiple tools, realize tool storage or change machining, improve user experience, and improve machining efficiency.

[0047] Please refer to Figure 6 The included angle 3 between the inclined direction of the sliding rail sliding groove and the bottom surface 111 of the groove wall is an acute angle.

[0048] The angle of the included angle 3 determines the size of the movement of the driven block 220 converted from the movement of the driving block 210, and the amplitude of the tool clamping.

[0049] Preferably, the locking member is a bolt, and the tool holder 1 and the clamping jaw 2 are provided with a connecting hole (not shown) corresponding to the bolt.

[0050] The connecting hole provided in the clamping jaw 2 can be a straight wall through hole, and the connecting hole provided in the tool holder 1 can be a threaded hole.

[0051] Please refer to Figure 3 - Figure 6 The clamping jaw 2 is provided with a nut 4 corresponding to the bolt, the nut 4 is rotationally connected with the driving block 210, and the bolt is fixedly connected with the nut 4.

[0052] When the bolt is screwed, the driven block 220 will move along with the clockwise and counterclockwise rotation of the bolt, and the driven block 220 will move in the direction of entering or leaving the shank loading groove 110. Specifically, by rotating the bolt, the driving block 210 directly connected with the bolt and the nut 4 moves in the direction of sinking into or leaving the adjusting groove 120, and the driven block 220 slidingly connected with the driving block 210 moves in the direction of entering or leaving the shank loading groove 110.

[0053] The accommodating groove 223 can be used to accommodate the cap nut of the bolt.

[0054] In some embodiments, the bolt and the nut 4 are connected as a whole by adhesion, and the bolt and the nut 4 do not rotate relative to each other.

[0055] In the specification and claims of this application, the words "comprise", "comprising", "include", "including" and the like are to be construed in an inclusive sense, as opposed to an exclusive or exhaustive sense, that is to say, in the sense of "including, but not limited to".

[0056] Some features of the present application are described in different embodiments for the sake of clarity, however, these features can also be combined in a single embodiment. Conversely, some features of the present application are described in a single embodiment for the sake of brevity, however, these features can also be implemented individually or in any suitable combination in different embodiments.

[0057] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A new tool holder, characterized in that: It includes a tool holder, a holding clamp, and a locking piece. The tool holder is provided with a tool handle loading slot and an adjustment slot. The adjustment slot is provided at the side wall of the tool handle loading slot and is connected to the tool handle loading slot. The holding clamp is provided with a first holding portion and a second holding portion corresponding to the two side surfaces of the fixed tool. The holding clamp is connected to the adjustment slot through the locking piece. When the locking piece locks and fixes the holding clamp to the tool holder, the first holding portion, the second holding portion and the tool handle loading slot are relative to the side walls of the first holding portion and the second holding portion to press and fix the tool in the tool handle loading slot.

2. A new tool holder according to claim 1, characterized in that: The tool holder loading slot includes a slot wall bottom surface, a left slot wall surface, and a right slot wall surface; the adjustment slot is arranged on the left slot wall surface side or the right slot wall surface side; when the pressing clamp in the adjustment slot is located on the left slot wall surface side, the slot wall bottom surface, the right slot wall surface, the first pressing portion, and the second pressing portion press and fix the tool in the tool holder loading slot; when the pressing clamp in the adjustment slot is located on the right slot wall surface side, the slot wall bottom surface, the left slot wall surface, the first pressing portion, and the second pressing portion press and fix the tool in the tool holder loading slot.

3. A new tool holder according to claim 2, characterized in that: The cross-sectional profile of the tool handle loading slot is rectangular; the bottom wall of the tool handle loading slot faces an open wall; the top and bottom wall surfaces of the tool handle loading slot, at least the bottom wall surface is open.

4. A new tool holder according to claim 1, characterized in that: The holding clamp includes a driving block and a driven pressure block; the driving block and the driven pressure block are slidably connected by a slide rail groove structure; the slide rail groove is inclined; the first holding portion is a wall surface provided on the side wall of the driven pressure block, and the wall surface is flush with the left groove wall surface and the right groove wall surface of the tool handle loading groove; the second holding portion is a holding strip provided on the top of the driven pressure block; when the locking member locks and fixes the holding clamp to the tool holder, the second holding portion and the first holding portion move toward the bottom surface of the groove wall close to the tool handle loading groove, the left groove wall surface or the right groove wall surface respectively.

5. The new tool holder according to claim 1, characterized in that: The holding clamp is provided with a receiving groove corresponding to the locking piece; the receiving groove is used to accommodate the locking piece.

6. The new tool holder according to claim 1, characterized in that: There are three adjusting slots and three pressing clamps, which are distributed along the length direction of the tool handle loading slot.

7. The new tool holder according to claim 1, characterized in that: There are multiple tool handle loading slots, which are arranged in parallel.

8. The new tool holder according to claim 4, characterized in that: The included angle between the inclined direction of the slide rail slot and the bottom surface of the slot wall is an acute angle.

9. The new tool holder according to claim 4, characterized in that: The locking member is a bolt, and the tool holder and the holding clamp are provided with connecting holes corresponding to the bolt.

10. The new tool holder according to claim 9, characterized in that: The pressing clamp is provided with a nut corresponding to the bolt, the nut is rotatably connected to the driving block, and the bolt is fixedly connected to the nut.

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