Adjustable numerical control machine tool cutter holder

Abstract

The utility model relates to the technical field of numerical control machine tools, in particular to an adjustable numerical control machine tool cutter holder which comprises a base, movable clamps are symmetrically and slidably installed at the upper end of the base through an adjusting assembly, an installation groove is formed in the lower end of the base, a fixed shaft is horizontally and rotatably installed in the installation groove, and a rotating seat is rotatably connected to the fixed shaft in a sleeved mode. Mounting holes are symmetrically formed in the rotating seat, positioning discs are fixedly mounted on the two sides of the rotating seat, the two positioning discs are rotationally arranged on a fixing shaft in a sleeving mode, a plurality of positioning holes are formed in the circumferences of the positioning discs at equal intervals, and two positioning rods are mounted on the base through assemblies; and one end of the positioning rod is inserted into one of the positioning holes. The base can rotate on the rotating seat through the fixing shaft, the positioning rods are inserted into the different positioning holes, multi-angle adjustment of the tool holder is achieved, and universality and practicability of the tool holder are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool technical field especially, relates to a kind of adjustable numerical control machine tool tool holder. BACKGROUND

[0002] Numerical control machine tool is according to the machining program prepared beforehand, is automatically to the machining part processed, tool holder is applied to the tool magazine of numerical control machining center, for the tool holder of clamping tool, main shaft will be placed into tool magazine according to the needs in part processing process, or take out from tool magazine.

[0003] Chinese patent with disclosure number CN219026666U discloses a kind of adjustable numerical control machine tool tool holder, by the cooperation of each component, adjust mobile clamp clamping tool, mobile clamp is adjusted by moving apart, tool holder is metal material, after long-term use, crack, fracture cannot be generated because of deformation, greatly increase the service life of numerical control machine tool tool holder, reduce the loss of loss tool holder, reduce production cost.

[0004] In the above patent document, the tool holder is installed on the numerical control machine tool through the mounting hole, however, the tool holder installation has certain limitation, the precise adjustment of tool angle cannot be realized, thereby leading to the lower versatility and practicality of tool holder. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the following shortcomings in prior art, tool holder installation has certain limitation, the precise adjustment of tool angle cannot be realized, thereby leading to the lower versatility and practicality of tool holder, and proposes a kind of adjustable numerical control machine tool tool holder.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of adjustable numerical control machine tool tool holder, including base, the base upper end is symmetrically slidably installed with mobile clamp by adjusting assembly, the base lower end is equipped with installation slot, the fixed shaft is horizontally rotatably installed in the installation slot, the rotating seat is rotatably sleeved on the fixed shaft, the rotating seat is symmetrically equipped with mounting hole on it;

[0008] The both sides of the rotating seat are fixedly installed with positioning disc, two positioning discs are rotatably sleeved on the fixed shaft, multiple positioning holes are equidistantly opened on the positioning disc, two positioning rods are installed on the base by elastic component, one end of the positioning rod is inserted into one of the positioning holes.

[0009] Preferably, the base is horizontally provided with moving holes on both sides, which are communicated with the mounting slots, the positioning rod is slidingly inserted into the moving holes, and the elastic assembly comprises a pull rod fixedly installed at one end of the positioning rod and a telescopic spring sleeved on the positioning rod, and two ends of the telescopic spring are fixedly connected with the base and the pull rod respectively.

[0010] Preferably, the positioning rod is fixedly provided with a positioning block, and the positioning block is in contact with the positioning disc.

[0011] Preferably, the base is provided with a moving slot at the upper end, the adjusting assembly comprises two threaded rods with opposite screw directions horizontally and rotationally installed in the moving slot, an adjusting block fixedly installed at one end of the threaded rod, and two moving blocks symmetrically sleeved on the threaded rod, the two moving blocks are slidingly arranged in the moving slot, and the two moving blocks are fixedly connected with the two moving clamps respectively.

[0012] Preferably, the threaded rod is fixedly sleeved with a rubber ring, and the base is provided with a locking assembly for locking the rubber ring.

[0013] Preferably, the locking assembly comprises a bracket fixedly installed on the base, a screw and a resistance block rotationally installed at one end of the screw, the bracket is provided with a threaded hole, the screw is threadedly inserted into the threaded hole, and the resistance block is in contact with the rubber ring.

[0014] In the utility model, the beneficial effects are:

[0015] The rotating seat is fixedly installed on the numerical control machine tool through the mounting hole, the base can rotate on the rotating seat through the fixed shaft, the positioning rod is inserted into different positioning holes, the multi-angle adjustment of the tool holder is realized, and the versatility and practicality of the tool holder are effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the adjustable numerical control machine tool tool holder is provided in the utility model;

[0017] Figure 2 A three-dimensional local cross-section structure schematic view of the base, the fixed shaft, the rotating seat and the adjusting assembly;

[0018] Figure 3 A three-dimensional structure schematic view of the rotating seat and the positioning disc;

[0019] Figure 4 A three-dimensional structure schematic view of the positioning rod, the elastic assembly and the positioning block;

[0020] Figure 5 A Figure 2 An enlarged view of structure A in the middle.

[0021] In the figure: 1 base, 2 moving clamp, 3 fixed shaft, 4 rotating seat, 5 mounting hole, 6 positioning disc, 7 positioning hole, 8 positioning rod, 9 pull rod, 10 positioning block, 11 threaded rod, 12 adjusting block, 13 moving block, 14 rubber ring, 15 support, 16 screw, 17 resistance block, 18 extension spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Reference Figures 1-5 An adjustable numerical control machine tool cutter holder, including base 1, the upper end of base 1 is symmetrically slidably installed with moving clamp 2 through adjusting assembly, the lower end of base 1 is provided with installation groove, the fixed shaft 3 is rotatably installed in the installation groove, the rotating seat 4 is rotatably sleeved on the fixed shaft 3, the installation hole 5 is symmetrically provided on the rotating seat 4, the rotating seat 4 is installed on the numerical control machine tool through the installation hole 5, the adjusting assembly can drive two moving clamps 2 to approach each other, so as to clamp the cutter between the two moving clamps 2.

[0024] The positioning disc 6 is fixedly installed on both sides of the rotating seat 4, the two positioning discs 6 are rotatably sleeved on the fixed shaft 3, a plurality of positioning holes 7 are circumferentially and equidistantly provided on the positioning disc 6, two positioning rods 8 are installed on the base 1 through elastic assembly, one end of the positioning rod 8 is inserted into one of the positioning holes 7.

[0025] The positioning rod 8 is horizontally slidably installed on the base 1, under the action of the elastic assembly, one end of the positioning rod 8 is inserted into the positioning hole 7 provided on the positioning disc 6, when the angle of the cutter needs to be adjusted, the positioning rod 8 is pulled to drive the positioning rod 8 to move away from the positioning disc 6, one end of the positioning rod 8 is extracted from the positioning hole 7, then the base 1 is driven to rotate on the rotating seat 4, so as to realize the adjustment of the angle of the cutter, after adjustment, one end of the positioning rod 8 is inserted into the positioning hole 7 again, the base 1 is locked again, a plurality of positioning holes 7 are circumferentially and equidistantly provided on the positioning disc 6, the plurality of positioning holes 7 correspond to the adjustment of a plurality of angles respectively, so as to realize the multi-angle adjustment of the cutter holder, effectively improve the versatility and practicality of the cutter holder.

[0026] The base 1 is provided with a moving hole communicating with the mounting slot on each side, the positioning rod 8 is slidingly inserted into the moving hole, the elastic assembly comprises a pull rod 9 fixedly installed at one end of the positioning rod 8 and a telescopic spring 18 sleeved on the positioning rod 8, the two ends of the telescopic spring 18 are fixedly connected with the base 1 and the pull rod 9 respectively, and the telescopic spring 18 is in a compressed state, so that the positioning rod 8 has a tendency to move towards the positioning disc 6 under the elastic force of the telescopic spring 18, when the positioning rod 8 needs to be pulled, the pull rod 9 is pulled to drive the positioning rod 8 away from the positioning disc 6, and the telescopic spring 18 is stretched.

[0027] The positioning rod 8 is fixedly provided with a positioning block 10, the positioning block 10 is in contact with the positioning disc 6, the positioning block 10 is installed between the base 1 and the rotating seat 4, when one end of the positioning rod 8 is inserted into the positioning hole 7, the positioning block 10 is in contact with the positioning disc 6, and the positioning block 10 can prevent the positioning rod 8 from being separated from the moving hole.

[0028] The base 1 is provided with a moving slot at the upper end, the adjusting assembly comprises two screw rods 11 with opposite screw directions horizontally and rotatably installed in the moving slot, an adjusting block 12 fixedly installed at one end of the screw rod 11 and two moving blocks 13 symmetrically and threadedly sleeved on the screw rod 11, the two moving blocks 13 horizontally slide in the moving slot, and the two moving blocks 13 are fixedly connected with the two movable clamps 2 respectively.

[0029] When the tool is installed, the tool is placed between the two movable clamps 2, then the adjusting block 12 is rotated to drive the screw rod 11 to rotate, since the screw rods 11 have opposite screw directions at the two ends, the two movable clamps 2 are driven to move close to each other by the two moving blocks 13, and the tool is clamped between the two movable clamps 2.

[0030] The screw rod 11 is fixedly sleeved with a rubber ring 14, the base 1 is provided with a locking assembly for locking the rubber ring 14, the locking assembly comprises a support 15 fixedly installed on the base 1, a screw 16 and a resistance block 17 rotatably installed at one end of the screw 16, the support 15 is provided with a threaded hole, the screw 16 is threadedly inserted into the threaded hole, and the resistance block 17 is in contact with the rubber ring 14.

[0031] After the tool is installed, the screw 16 is rotated, the resistance block 17 is driven to be in contact with the rubber ring 14 under the action of the threaded hole, a large friction force is generated between the resistance block 17 and the rubber ring 14, the screw rod 11 can be effectively prevented from rotating under the action of the friction force, and therefore, the tool can be prevented from being loosened due to vibration during use.

[0032] The utility model discloses when needing to adjust the angle of the cutter, pull positioning rod 8, drive positioning rod 8 to remove from the direction of far away from positioning disc 6, take out the one end of positioning rod 8 from positioning hole 7, then drive base 1 rotates on rotating seat 4 to realize the adjustment of cutter angle, after adjusting, again the one end of positioning rod 8 is inserted in positioning hole 7, again to the locking effect of base 1, multiple positioning holes 7 circumferential equidistance are set up on positioning disc 6, and one positioning hole 7 corresponds multiple angle adjustment respectively, and then the multi-angle adjustment of cutter holder can be realized, and the versatility and practicality of cutter holder are effectively improved.

[0033] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change are covered in the protection scope of the utility model.

Claims

1. An adjustable CNC machine tool holder, comprising a base (1), characterized in that, The upper end of the base (1) is symmetrically and slidably mounted with a movable clamp (2) through an adjustment component. The lower end of the base (1) is provided with an installation groove. A fixed shaft (3) is horizontally and rotatably mounted in the installation groove. A rotating seat (4) is rotatably sleeved on the fixed shaft (3). Installation holes (5) are symmetrically provided on the rotating seat (4). Positioning discs (6) are fixedly installed on both sides of the rotating seat (4). Both positioning discs (6) are rotatably sleeved on the fixed shaft (3). Multiple positioning holes (7) are equidistantly opened on the circumference of the positioning discs (6). Two positioning rods (8) are installed on the base (1) through elastic components. One end of the positioning rod (8) is inserted into one of the positioning holes (7).

2. The adjustable CNC machine tool holder according to claim 1, characterized in that, The base (1) has horizontally opened movable holes on both sides that are connected to the mounting groove. The positioning rod (8) is slidably inserted into the movable hole. The elastic component includes a pull rod (9) fixedly installed at one end of the positioning rod (8) and a telescopic spring (18) sleeved on the positioning rod (8). The two ends of the telescopic spring (18) are fixedly connected to the base (1) and the pull rod (9) respectively.

3. An adjustable CNC machine tool holder according to claim 2, characterized in that, A positioning block (10) is fixedly installed on the positioning rod (8), and the positioning block (10) is in contact with the positioning disk (6).

4. An adjustable CNC machine tool holder according to claim 1, characterized in that, The upper end of the base (1) is provided with a movable groove. The adjustment assembly includes a threaded rod (11) with opposite thread directions at the left and right ends, which is horizontally rotatably installed in the movable groove; an adjustment block (12) fixedly installed at one end of the threaded rod (11); and two symmetrical movable blocks (13) threadedly sleeved on the threaded rod (11). The two movable blocks (13) slide horizontally in the movable groove. The two movable blocks (13) are respectively fixedly connected to two movable clamps (2).

5. An adjustable CNC machine tool holder according to claim 4, characterized in that, A rubber ring (14) is fixedly sleeved on the threaded rod (11), and a locking component for locking the rubber ring (14) is provided on the base (1).

6. An adjustable CNC machine tool holder according to claim 5, characterized in that, The locking assembly includes a bracket (15) fixedly mounted on the base (1), a screw (16) and a resistance block (17) rotatably mounted on one end of the screw (16). The bracket (15) has a threaded hole, the screw (16) is threaded into the threaded hole, and the resistance block (17) is in contact with the rubber ring (14).

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