Milling cutter head convenient for replacing components

Abstract

The utility model relates to a milling cutter head with components convenient to replace, and effectively solves the problems that resources are wasted, the fixing effect of the cutter heads is poor and the turn-milling performance is influenced as one cutter head of the existing milling cutter head needs to be replaced integrally after being damaged. According to the milling cutter head with the components convenient to replace, the two groups of cutter heads are adopted and can be used for turning and milling a workpiece in different states, and the first cutter head and the second cutter head are of independent structures and can be detached relative to the cutter head frame, so that selective replacement can be facilitated according to conditions, the condition that the whole cutter head needs to be replaced due to damage of a single cutter head is effectively avoided, and the working efficiency is improved. The resource waste is greatly reduced; when the cutterhead frame is in a high-speed rotating state, the first tool bit frame and the second tool bit frame can further ensure the firmness of the structure under the limiting effect between the limiting sleeve frame and the limiting clamping plate, the situation that the tool bits are damaged or the turning and milling performance is affected due to loosening of the tool bits is avoided, and use is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of milling cutter, specifically relates to a milling cutter cutter head convenient to replace assembly. BACKGROUND

[0002] The cutter usually used for milling machining is called milling cutter, has one or more cutter teeth, and each cutter tooth intermittently cuts the excess of the workpiece in turn during work, and the milling cutter is mainly used for machining plane, step, groove, shaped surface and cutting off workpiece on the milling machine.

[0003] At present, a kind of milling cutter usually used in prior art is disc-shaped milling cutter, and the disc-shaped milling cutter mainly includes cutter head and cutter head located at the periphery of cutter disc, cutter head and cutter disc are integrally formed, with the rotation of cutter disc, cutter head on cutter disc correspondingly realizes rotation, cutter head continuously mills workpiece in the process of rotation, so as to realize the machining of workpiece.

[0004] However, the disc-shaped milling cutter in prior art is integrally formed, and the phenomenon of broken blade of cutter tooth is prone to occur during use, and when cutter tooth is broken, the entire milling cutter needs to be replaced, the service life is shorter, and resources are wasted;And due to the different structures of workpieces to be machined, different cutter heads on disc-shaped milling cutter need to be used to turn and mill workpieces, and the disc-shaped milling cutter in prior art mostly has only one cutter head structure, and the wear states of the two sides of cutter head are different due to the different use scenarios of the two sides of cutter head, so replacing the entire cutter head due to the more serious wear of one side will cause great waste;And the fixing effect of the milling cutter structure with replaceable cutter head for cutter head is not good, and the cutter head cannot be always firmly fixed, which affects the turning and milling performance. CONTENT OF UTILITY MODEL

[0005] In view of the above situation, in order to overcome the defects of prior art, the utility model provides a milling cutter cutter head convenient to replace assembly, which can effectively avoid the situation that the entire cutter disc needs to be replaced due to damage of single cutter head, greatly reduces resource waste and reduces use cost;And the second cutter head frame can be clamped with the limiting sleeve frame on the first cutter head frame through the limiting clamping plate, under the high-speed rotation state of cutter disc frame, the first cutter head frame and the second cutter head frame can further ensure the firmness of its structure under the limiting action between limiting sleeve frame and limiting clamping plate, avoid cutter head damage or affect turning and milling performance due to cutter head loosening, and be more convenient to use.

[0006] A milling cutter disc convenient for replacing components, comprising a disc holder, a plurality of insertion slots are arranged on the outer periphery of the disc holder, and a limiting sleeve holder is inserted into each of the insertion slots, one end of the limiting sleeve holder penetrating through the outer portion of the disc holder is fixedly connected with a first tool holder, the side of the first tool holder away from the limiting sleeve holder is fixedly connected with a first tool bit capable of turning and milling a workpiece, the upper surface of the disc holder is fixedly installed with a second tool holder, and the lower surface of the second tool holder is fixedly connected with a limiting clamping plate, and the top corner portion of the second tool holder is fixedly installed with a second tool bit capable of turning and milling a workpiece.

[0007] Preferably, the insertion slots are matched with the limiting sleeve holders, the number of the insertion slots and the limiting sleeve holders is several, the side of each of the limiting sleeve holders is fixedly connected with the first tool holder and the first tool bit, and the plurality of insertion slots and the limiting sleeve holders are arranged in the form of a ring array on the outer portion of the disc holder.

[0008] Preferably, the upper surface of the disc holder is provided with an annular groove for installing the second tool holder, the inner bottom wall of the annular groove is provided with a clamping groove for inserting the limiting clamping plate, and the bottom of the second tool holder is clamped in the inner portion of the annular groove, and the limiting clamping plate on the lower surface of the second tool holder is inserted into the clamping groove corresponding thereto.

[0009] Preferably, one end of the limiting clamping plate penetrating through the inner portion of the clamping groove is inserted into the inner portion of the limiting sleeve holder corresponding thereto, the limiting sleeve holder is matched with the limiting clamping plate, the number of the second tool holders is equal to that of the first tool holders, and the plurality of first tool holders are vertically corresponding to the plurality of second tool holders, respectively.

[0010] Preferably, the plurality of second tool holders are arranged in the form of a ring array in the inner portion of the annular groove, and the plurality of second tool holders are fixedly installed on the upper surface of the disc holder through bolts.

[0011] Preferably, the side of the second tool holder away from the center of the disc holder is provided with an installation groove for installing the second tool bit, the number of the second tool bits is equal to that of the second tool holders, and the plurality of second tool bits are fixedly installed in the installation grooves of the plurality of second tool holders through bolts.

[0012] The above technical solution has the following beneficial effects:

[0013] The milling cutter disc convenient for replacing components is provided with two groups of tool bits which can respectively machine and mill workpieces in different states, the first tool bit and the second tool bit are independent structures and can be detached relative to the cutter disc holder, so that the first tool bit or the second tool bit can be selectively replaced according to conditions, the situation that the whole cutter disc needs to be replaced due to damage of a single tool bit is avoided, resource waste is greatly reduced, and use cost is lowered; the second tool bit holder can be clamped with the limiting sleeve holder on the first tool bit holder through the limiting clamping plate, the first tool bit holder and the second tool bit holder can further ensure the structural firmness under the limiting action between the limiting sleeve holder and the limiting clamping plate under the high-speed rotating state of the cutter disc holder, damage of the tool bit or influence on the machining and milling performance caused by loosening of the tool bit is avoided, and the milling cutter disc is more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the whole structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the second tool bit holder in a split state of the utility model;

[0016] Figure 3 It is a schematic diagram of the connection state of the limiting clamping plate and the limiting sleeve holder of the utility model;

[0017] Figure 4 It is a schematic diagram of the split state of the utility model Figure 3 ;

[0018] Figure 5 It is a schematic diagram of the first tool bit in a split state of the utility model;

[0019] Figure 6 It is a schematic diagram of the cutter disc holder of the utility model.

[0020] In the drawing: 1, cutter disc holder; 2, insertion slot; 3, limiting sleeve holder; 4, first tool bit holder; 5, first tool bit; 6, second tool bit holder; 7, limiting clamping plate; 8, second tool bit; 9, annular groove; 10, clamping groove; 11, mounting groove. DETAILED DESCRIPTION

[0021] The foregoing and other technical contents, features and effects of the utility model are described below in combination with the accompanying drawings. Figures 1 to 6 The embodiment is described in detail.

[0022] The embodiment provides a milling cutter disc convenient for replacing components, as shown in the accompanying drawings Figures 1-6As shown, including the cutter holder 1, the axial part of the cutter holder 1 can be fixedly installed on the rotating part of the turning and milling machine through the pin shaft, the outer peripheral surface of the cutter holder 1 is provided with a slot 2, and the inside of the slot 2 is inserted with a limiting sleeve 3, the slot 2 is matched with the limiting sleeve 3, the number of the slot 2 and the limiting sleeve 3 is several, and the several slots 2 and limiting sleeves 3 are arranged in the form of annular array on the outside of the cutter holder 1, the limiting sleeve 3 is provided on one end of the outside of the cutter holder 1, and the first tool holder 4 is fixedly connected to the first tool holder 4, the several limiting sleeves 3 are respectively inserted into the inside of the several slots 2, the first tool holder 4 is fixedly connected to the first tool holder 4 away from the limiting sleeve 3, and the first tool 5 can be used for turning and milling the workpiece, the side surface of each limiting sleeve 3 is fixedly connected with the first tool holder 4 and the first tool 5, the two sides of the several first tool holders 4 are threadedly provided with fixing bolts for fixing the first tool holder 4 on the cutter holder 1, the first tool holder 4 can be fixedly installed on the side surface of the cutter holder 1 through the fixing bolt, and the cutting edge part of the several first tools 5 is arranged in the form of annular array in the counterclockwise direction, and the first tool 5 can be perpendicular to the turning and milling surface of the workpiece to turn and mill the workpiece;

[0023] The upper surface of the cutter holder 1 is fixedly provided with the second tool holder 6, and the lower surface of the second tool holder 6 is fixedly connected with the limiting clamping plate 7, the upper surface of the cutter holder 1 is provided with an annular groove 9 for installing the second tool holder 6, the width of the annular groove 9 is matched with the width of the bottom of the second tool holder 6, the bottom of the second tool holder 6 can be clamped in the annular groove 9, the inner bottom wall of the annular groove 9 is provided with a clamping groove 10 for inserting the limiting clamping plate 7, the number of the clamping groove 10 is the same as that of the second tool holder 6 and is arranged in the form of annular array on the inner bottom wall of the annular groove 9, the bottom of the second tool holder 6 is clamped in the inside of the annular groove 9, and the limiting clamping plate 7 on the lower surface of the second tool holder 6 is inserted into the corresponding clamping groove 10, and the several limiting clamping plates 7 are inserted into the inside of the cutter holder 1;

[0024] The limiting clamping plate 7 is inserted at one end inside the clamping groove 10 into the corresponding limiting sleeve frame 3 below, the limiting sleeve frame 3 is matched with the limiting clamping plate 7, the number of the second tool head frame 6 is equal to that of the first tool head frame 4, and the first tool head frame 4 and the second tool head frame 6 are vertically corresponding, the second tool head frame 6 is arranged in the form of a ring array inside the ring groove 9, and the second tool head frame 6 is fixedly installed on the upper surface of the tool disc frame 1 by bolts, after the second tool head frame 6 is fixedly installed on the tool disc frame 1 by bolts, the limiting clamping plate 7 on the lower surface of the second tool head frame 6 can be inserted into the limiting sleeve frame 3, thereby limiting the first tool head frame 4, the fixing bolt can further increase the firmness of the first tool head frame 4 while fixing the first tool head frame 4, so as to avoid loosening of the first tool head 5 due to loosening of the fixing bolt, and ensure normal use of the first tool head 5; and the first tool head frame 4 and the second tool head frame 6 are separately detachable relative to the tool disc frame 1, when the first tool head 5 or the second tool head 8 is damaged due to impact, the damaged first tool head frame 4 or the second tool head frame 6 can be replaced separately, without replacing the tool disc frame 1, which also reduces resource waste.

[0025] The second tool head frame 6 is fixedly installed with the second tool head 8 for turning and milling of the workpiece, the second tool head frame 6 is provided with a mounting groove 11 on the side away from the center of the tool disc frame 1 for mounting the second tool head 8, the number of the second tool head 8 is the same as that of the second tool head frame 6, and the second tool head 8 is fixedly installed in the mounting groove 11 of the second tool head frame 6 by bolts, the shape of the mounting groove 11 is matched with that of the second tool head 8, and the corner part of the mounting groove 11 can tightly clamp the corner part of the second tool head 8 after the second tool head 8 is fixedly installed in the mounting groove 11, thereby preventing the position of the second tool head 8 from changing, ensuring the accuracy of the turning and milling of the milling cutter disc, and enabling the second tool head 8 to turn and mill the workpiece in parallel to the turning and milling surface of the workpiece when the tool disc frame 1 drives the second tool head 8 to rotate.

[0026] In summary, the milling cutter disc with the assembly convenient to replace is used as follows:

[0027] 1. When assembling the milling cutter disc, a plurality of first tool head frames 4 can be fixedly installed on the outer circumferential surface of the tool disc frame 1 in a ring shape by fixing bolts, and the limiting sleeve frames 3 are inserted into the insertion grooves 2;

[0028] 2. Then, the second tool head 8 is fixedly installed in the mounting groove 11 by bolts, and the limiting clamping plate 7 at the bottom of the second tool head frame 6 is vertically inserted into the corresponding clamping groove 10, the limiting clamping plate 7 can be fully inserted into the corresponding limiting sleeve frame 3 below, thereby limiting the limiting sleeve frame 3, and the limiting sleeve frame 3 can also limit the limiting clamping plate 7, and the second tool head frame 6 is fixedly installed in the ring groove 9 on the upper surface of the tool disc frame 1 by bolts.

[0029] 3. When one of the first cutting heads 5 needs to be replaced, the second cutting head holder 6 corresponding to the first cutting head 5 and the first cutting head holder 4 can be separately removed, the limiting clamping plate 7 is separated from the limiting sleeve holder 3, then the first cutting head holder 4 is taken out and a new first cutting head holder 4 and first cutting head 5 are replaced;

[0030] 4. When one of the second cutting heads 8 needs to be replaced, the corresponding second cutting head 8 can be separately taken out, without taking out the second cutting head holder 6, the second cutting head can be replaced separately, the replacement efficiency is greatly improved and the loss is reduced.

[0031] The above is only for the purpose of illustrating the present application, it should be understood that the present application is not limited to the above embodiments, various modifications in accordance with the present application are within the scope of the present application.

Claims

1. A milling cutter head facilitating replacement of components, comprising a head carrier (1), characterized in that: The outer periphery of the cutter holder (1) is provided with a slot (2), and the inside of the slot (2) is inserted with a limiting sleeve holder (3), one end of the limiting sleeve holder (3) penetrating the outside of the cutter holder (1) is fixedly connected with a first cutter holder (4), the side of the first cutter holder (4) away from the limiting sleeve holder (3) is fixedly connected with a first cutter head (5) capable of turning and milling workpieces, and the upper surface of the cutter holder (1) is fixedly installed with a second cutter holder (6), and the lower surface of the second cutter holder (6) is fixedly connected with a limiting clamping plate (7).

2. The milling cutter head of claim 1, wherein: The slot (2) is matched with the limiting sleeve holder (3), the number of the slot (2) and the limiting sleeve holder (3) is several, the side of each limiting sleeve holder (3) is fixedly connected with the first cutter holder (4) and the first cutter head (5), and the several slots (2) and limiting sleeve holders (3) are arranged in the form of annular array outside the cutter holder (1).

3. The milling cutter head of claim 1, wherein: The upper surface of the cutter holder (1) is provided with an annular groove (9) for installing the second cutter holder (6), the inner bottom wall of the annular groove (9) is provided with a clamping groove (10) for inserting the limiting clamping plate (7), and the bottom of the second cutter holder (6) is clamped inside the annular groove (9), and the limiting clamping plate (7) on the lower surface thereof is inserted into the corresponding clamping groove (10).

4. The milling cutter head of claim 3 wherein: One end of the limiting clamping plate (7) penetrating the inside of the clamping groove (10) is inserted into the corresponding limiting sleeve holder (3) below, the limiting sleeve holder (3) is matched with the limiting clamping plate (7), the number of the second cutter holder (6) is equal to that of the first cutter holder (4), and the several first cutter holders (4) are vertically corresponding to the several second cutter holders (6) respectively.

5. The milling cutter head of claim 3 wherein: The several second cutter holders (6) are arranged in the form of annular array inside the annular groove (9), and the several second cutter holders (6) are fixedly installed on the upper surface of the cutter holder (1) by bolts.

6. The milling cutter head of claim 1 wherein: The side of the second cutter holder (6) away from the center of the cutter holder (1) is provided with a mounting groove (11) for installing the second cutter head (8), the number of the second cutter head (8) is the same as that of the second cutter holder (6), and the several second cutter heads (8) are fixedly installed in the mounting grooves (11) on the several second cutter holders (6) by bolts.

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