Fluted disc type turning tool rest suitable for heavy cutting

Abstract

The utility model discloses a fluted disc type turning tool rest suitable for heavy cutting, which relates to the field of turning tool rests, and comprises a tool clamping sleeve and a tool rest, a fixed fluted disc is internally provided with a fixed groove, the fixed groove is internally provided with two groups of first mounting holes, one end of the tool rest is fixedly provided with a movable fluted disc, and the other end of the tool rest is provided with a second mounting hole. And six sets of gear teeth are arranged on the outer wall of the movable fluted disc, second mounting holes are formed in the two sets of gear teeth, a bearing column is mounted on one side of the movable fluted disc, and a fixing rod is movably mounted in a first mounting hole. After the movable fluted disc is embedded into the fixed fluted disc, the fixed rod penetrates through the space between the movable fluted disc and the fixed fluted disc through the first mounting hole and the second mounting hole, the gear teeth on the outer wall of the movable fluted disc are fixed with the fixed fluted disc through the fixed rod, and the fixed fluted disc is fixed in a lateral limiting manner through the fixed rod. Therefore, the fixed fluted disc and the movable fluted disc are prevented from sliding and separating in the high-speed rotation process.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe tool rest field, concretely is a kind of toothed disc type lathe tool rest suitable for heavy cutting. BACKGROUND

[0002] In the field of machining, lathe tool rest is the extremely key component on lathe, and lathe tool rest is mainly used to hold lathe tool, and makes lathe tool can be accurately positioned and moved to realize the cutting processing to workpiece, it not only guarantees the stability of lathe tool in processing, but also can flexibly adjust the position and angle of lathe tool according to different processing needs.

[0003] Toothed disc type lathe tool rest is an important type of lathe tool rest, and its core structure is toothed disc, which is usually composed of two toothed discs, i.e., fixed toothed disc and movable toothed disc, the fixed toothed disc is installed on the tool rest seat of lathe, and the movable toothed disc is connected with the tool rest body, during installation, the movable toothed disc is sleeved on the bearing of tool rest seat, and the tooth profile of fixed toothed disc and movable toothed disc is meshed with each other, then the movable toothed disc is fixed on the bearing of tool rest seat by using fixing nut, and the movable toothed disc is fixed inside the fixed toothed disc, so that the fixed toothed disc drives the tool rest body to rotate and displace through the movable toothed disc.

[0004] When the movable toothed disc is installed and meshed inside the fixed toothed disc, there is a certain gap between the teeth of movable toothed disc and fixed toothed disc, which leads to low installation and fixing degree between movable toothed disc and fixed toothed disc, and finally causes tearing of the internal structure of fixed toothed disc and movable toothed disc due to extrusion and collision between them when the fixed toothed disc drives the movable toothed disc to rotate at high speed. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing a toothed disc type lathe tool rest suitable for heavy cutting to solve the technical problem of insufficient connection between fixed toothed disc and movable toothed disc of toothed disc type lathe tool rest.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a toothed disc type lathe tool rest suitable for heavy cutting, comprising a tool holder sleeve and a tool rest, a fixed plate is fixed on one side of the tool holder sleeve, a fixed toothed disc is arranged at one end of the fixed plate, a fixed groove is arranged in the inside of the fixed toothed disc, two groups of first mounting holes are arranged in the inside of the fixed groove, a movable toothed disc is fixed at one end of the tool rest, six groups of teeth are arranged on the outer wall of the movable toothed disc, second mounting holes are arranged in the inside of the two groups of teeth, a bearing column is installed on one side of the movable toothed disc, and a fixed rod is movably installed in the inside of the first mounting hole.

[0007] By adopting the technical scheme, the problem that the connection between the fixed gear disc and the movable gear disc of the gear disc tool rest is not firm enough is solved, when the movable gear disc is inlaid into the fixed gear disc, the fixed rod is penetrated between the two through the first mounting hole and the second mounting hole, the gear on the outer wall of the movable gear disc is fixed with the fixed gear disc through the fixed rod, and the fixed gear disc and the movable gear disc will not slide off in the process of high-speed rotation through the fixed rod from the side limiting fixed mode.

[0008] The utility model further sets up, two groups of first installation hole symmetry sets up, two groups of second installation hole sets up on same horizontal line.

[0009] As preferred, when the movable gear disc is inlaid into the fixed groove, the first mounting hole and the second mounting hole are aligned, so that the fixed rod can be inserted into the second mounting hole from the first mounting hole, and the fixed rod can penetrate the two sides of the fixed gear disc, facilitating the personnel to fix the fixed rod.

[0010] The utility model further sets up, the gear is set up as isosceles trapezoid, and the gear and fixed groove are mutually matched and engaged.

[0011] As preferred, the gear is set up as isosceles trapezoid, so that the internal structural strength of the gear is strengthened, and the gear can withstand greater torsional force.

[0012] The utility model further sets up, the end of the fixed rod is fixed with screw rod, and the outer wall of the screw rod is sleeved with nut.

[0013] As preferred, when the fixed rod is installed in the first mounting hole of the fixed gear disc, the nut is sleeved on the screw rod, so that the fixed rod can be firmly installed inside the fixed gear disc.

[0014] The utility model further sets up, one end of the fixed rod is fixed with limit block, and the limit block and the fixed rod combine to form T-shaped structure, and the outer wall of the fixed gear disc is provided with limit slot.

[0015] As preferred, after the fixed rod is installed and inserted into the fixed gear disc and the movable gear disc, the limit block is inlaid into the limit slot on the outer wall of the fixed gear disc, the limit slot limits the limit block, so that when the nut is installed and sleeved on the screw rod, the fixed rod will not rotate, facilitating the personnel to fix the fixed rod with the nut.

[0016] The utility model further sets up, the diameter of the first mounting hole and the second mounting hole is same, and the diameter of the fixed rod is same with the diameter of the first mounting hole.

[0017] Preferably, the first mounting hole, the second mounting hole and the fixing rod have the same diameter, so that the outer wall of the fixing rod can be tightly fitted with the inner wall of the first mounting hole and the second mounting hole when the fixing rod is inserted into the first mounting hole and the second mounting hole.

[0018] The utility model further sets up, two sides of the fixed rod are provided with reinforcing block, and the diameter of reinforcing block is same with the diameter of fixed rod.

[0019] Preferably, the material strength of the reinforcing block is greater than the strength of the fixed rod, so that the local position of the fixed rod can withstand a greater bending force.

[0020] The utility model further sets up, the reinforcing block is set between the gear tooth and the fixed groove, and the length of reinforcing block is greater than the length of gear tooth.

[0021] Preferably, when the fixed tooth disc drives the movable tooth disc to rotate at high speed, due to the speed difference between the fixed tooth disc and the movable tooth disc, the fixed tooth disc will exert a great torsional force on the fixed rod located between the fixed tooth disc and the movable tooth disc.

[0022] In summary, the utility model mainly has the following beneficial effects:

[0023] 1. The utility model discloses a tooth disc type tool holder which is provided with a clamping tool sleeve, a fixed tooth disc, a fixed groove, a tool holder, a tooth disc and a fixed rod, and solves the problem of the connection between the fixed tooth disc and the movable tooth disc of the tooth disc type tool holder. When the movable tooth disc is embedded into the fixed tooth disc, the fixed rod is inserted through the first mounting hole and the second mounting hole between the fixed tooth disc and the movable tooth disc, and the gear tooth on the outer wall of the movable tooth disc is fixed with the fixed tooth disc through the fixed rod, and is limited and fixed from the side through the fixed rod, so that the fixed tooth disc and the movable tooth disc will not slide off during high-speed rotation.

[0024] 2. The utility model discloses a tooth disc type tool holder which is provided with a clamping tool sleeve, a fixed tooth disc, a fixed groove, a tool holder, a tooth disc and a fixed rod, and solves the problem of the connection between the fixed tooth disc and the movable tooth disc of the tooth disc type tool holder. When the movable tooth disc is embedded into the fixed tooth disc, the fixed rod is inserted through the first mounting hole and the second mounting hole between the fixed tooth disc and the movable tooth disc, and the gear tooth on the outer wall of the movable tooth disc is fixed with the fixed tooth disc through the fixed rod, and is limited and fixed from the side through the fixed rod, so that the fixed tooth disc and the movable tooth disc will not slide off during high-speed rotation. ACCURACY OF DRAWINGS

[0025] Figure 1 It is a whole schematic view of the device of the utility model;

[0026] Figure 2 It is a whole structure view of the fixed tooth disc of the utility model;

[0027] Figure 3 It is a whole structure view of the movable tooth disc of the utility model;

[0028] Figure 4 The fixed rod overall structure diagram of the utility model;

[0029] Figure 5 The fixed rod installation schematic view of the utility model;

[0030] Figure 6 The threaded column installation schematic view of the utility model.

[0031] Mark explanation:

[0032] 1, the cutter sleeve; 101, the fixed plate; 2, the fixed tooth disc; 201, the fixed groove; 202, the limiting groove; 203, the first mounting hole; 3, the tool holder; 4, the movable tooth disc; 401, the gear tooth; 402, the second mounting hole; 403, the bearing column; 5, the fixed rod; 501, the limiting block; 502, the reinforcing block; 503, the screw rod; 504, the nut; 6, the threaded column; 601, the knob. Specific implementation

[0033] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model and cannot be understood as limiting the utility model.

[0034] The embodiments will be described below according to the overall structure of the utility model.

[0035] First embodiment:

[0036] Please refer to Figure 1 — Figure 5 , including cutter sleeve 1 and tool holder 3, one side of cutter sleeve 1 is fixed with fixed plate 101, one end of fixed plate 101 is provided with fixed tooth disc 2, the inside of fixed tooth disc 2 is provided with fixed groove 201, two groups of first mounting holes 203 are opened in the inside of fixed groove 201, one end of tool holder 3 is fixed with movable tooth disc 4, six groups of gear teeth 401 are arranged on the outer wall of movable tooth disc 4, second mounting holes 402 are opened in the inside of two groups of gear teeth 401, bearing column 403 is installed on one side of movable tooth disc 4, fixed rod 5 is movably installed in the inside of first mounting hole 203, the problem that the connection between fixed tooth disc and movable tooth disc of tooth disc type tool holder is not firm enough is solved, when movable tooth disc 4 is embedded into fixed tooth disc 2, fixed rod 5 is penetrated between the two through first mounting hole 203 and second mounting hole 402, gear teeth 401 on the outer wall of movable tooth disc 4 are fixed with fixed tooth disc 2 through fixed rod 5, and the fixed rod 5 is limited from the side, so that fixed tooth disc 2 and movable tooth disc 4 will not slide off in the process of high-speed rotation.

[0037] In the above embodiment, specifically please refer toFigure 2 And Figure 3 Two groups of first mounting holes 203 are symmetrically arranged, and two groups of second mounting holes 402 are arranged on the same horizontal line. When the movable gear disc 4 is inlaid into the fixed groove 201, the first mounting hole 203 is aligned with the second mounting hole 402, so that the fixed rod 5 can be inserted into the second mounting hole 402 from the first mounting hole 203, and the fixed rod 5 can pass through both sides of the fixed gear disc 2, facilitating the personnel to fix the fixed rod.

[0038] In the above embodiment, please refer to Figure 3 The gear tooth 401 is arranged in isosceles trapezoidal shape, and the gear tooth 401 is matched and engaged with the fixed groove 201. The gear tooth 401 is arranged in isosceles trapezoidal shape, so that the internal structural strength of the gear tooth 401 is strengthened, and the gear tooth 401 can withstand greater torsional force.

[0039] In the above embodiment, please refer to Figure 4 The end of the fixed rod 5 is fixedly provided with a screw rod 503, and the outer wall of the screw rod 503 is sleeved with a nut 504. After the fixed rod 5 is installed in the first mounting hole 203 of the fixed gear disc 2, the nut is sleeved on the screw rod 503, so that the fixed rod 5 can be firmly installed inside the fixed gear disc 2.

[0040] In the above embodiment, please refer to Figure 2 And Figure 4 One end of the fixed rod 5 is fixedly provided with a limiting block 501, and the limiting block 501 and the fixed rod 5 form a T-shaped structure. The outer wall of the fixed gear disc 2 is provided with a limiting groove 202. After the fixed rod 5 is installed and inserted into the fixed gear disc 2 and the movable gear disc 4, the limiting block 501 is inlaid into the limiting groove 202 on the outer wall of the fixed gear disc 2. The limiting groove 202 limits the limiting block 501, so that when the nut 504 is installed on the screw rod 503, the fixed rod 5 will not rotate, facilitating the personnel to use the nut 503 to fix the fixed rod 5.

[0041] In the above embodiment, please refer to Figure 2 And Figure 3 The diameters of the first mounting hole 203 and the second mounting hole 402 are the same, and the diameter of the fixed rod 5 is the same as that of the first mounting hole 203. The diameters of the first mounting hole 203, the second mounting hole 402 and the fixed rod 5 are the same, so that when the fixed rod 5 is inserted into the first mounting hole 203 and the second mounting hole 402, the outer wall of the fixed rod 5 can be tightly fitted with the inner wall of the first mounting hole 203 and the second mounting hole 402.

[0042] In the above embodiment, please refer to Figure 4The two sides of the fixed rod 5 are provided with reinforcing blocks 502, the diameter of the reinforcing blocks 502 is same as the diameter of the fixed rod 5, the material strength of the reinforcing blocks 502 is greater than the strength of the fixed rod 5, so that the local position of the fixed rod 5 can withstand a greater bending force.

[0043] In the above embodiment, please refer to Figure 5 The reinforcing blocks 502 are arranged between the gear teeth 401 and the fixed grooves 201, and the length of the reinforcing blocks 502 is greater than the length of the gear teeth 401, when the fixed gear plate 2 drives the movable gear plate 4 to rotate at high speed, due to the speed difference between the fixed gear plate 2 and the movable gear plate 4, the fixed gear plate 2 will exert a great torsion force on the fixed rod between the fixed gear plate 2 and the movable gear plate 4.

[0044] The second embodiment is as follows:

[0045] Please refer to Figure 6 The inner walls of the first mounting hole 203 and the second mounting hole 402 in the fixed gear plate 2 and the movable gear plate 4 are provided with the same coefficient of thread structure, the inside of the fixed gear plate 2 movably mounts a threaded column 6, and the coefficient of thread on the outer wall of the threaded column 6 is same as the coefficient of thread on the inside of the first mounting hole 203, one end of the threaded column 6 is fixed with a knob 601, and the outer wall of the knob 601 is provided with an anti-skid thread, when the movable gear plate 4 is embedded into the inside of the fixed gear plate 2, the threaded column 6 fixed on the side of the knob 601 is inserted into the inside of the first mounting hole 203 and the second mounting hole 402, the movable gear plate 4 and the fixed gear plate 2 are fixedly combined through the threaded column 6, so that the combination of the movable gear plate 4 and the fixed gear plate 2 is more closely, and the bending resistance of the threaded column 6 is stronger than that of the fixed rod 5, so that the service life of the threaded column 6 is increased.

[0046] In the specific work, first, the movable gear plate 4 on one side of the tool holder 3 is inserted into the fixed groove 201 of the fixed gear plate 2 at one end of the tool clamping sleeve 1, so that the gear teeth 401 of the movable gear plate 4 are closely combined with the fixed groove 201 on the inner wall of the fixed gear plate 2, then the fixed rod 5 is inserted into the inside of the fixed gear plate 2 from the first mounting hole 203 on the outer wall of the fixed gear plate 2, and the fixed rod 5 penetrates through the two groups of gear teeth 401 through the second mounting hole 402, then the limiting block 501 at the end of the fixed rod 5 is embedded into the limiting groove 202 on the outer wall of the fixed gear plate 2, and the nut 6 is mounted on the screw rod 503 at one end of the fixed rod 5, so that the tool holder 3 is fixedly installed on one side of the tool clamping sleeve 1.

[0047] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change of no creative contribution to the embodiment according to the need after reading the specification without departing from the principle and the purpose of the utility model, but as long as in the patent right claim range of the utility model, it is protected by the patent law.

Claims

1. A heavy duty disc cutter holder comprising a cutter clamping sleeve (1) and a holder (3), characterized in that: One side of the clamp cutter sleeve (1) is fixed with a fixed plate (101), one end of the fixed plate (101) is provided with a fixed gear disc (2), the inside of the fixed gear disc (2) is provided with a fixed slot (201), the inside of the fixed slot (201) is provided with two groups of first mounting holes (203), one end of the tool holder (3) is fixed with a movable gear disc (4), the outer wall of the movable gear disc (4) is provided with six groups of gear teeth (401), the inside of the two groups of gear teeth (401) is provided with second mounting holes (402), one side of the movable gear disc (4) is installed with a bearing column (403), the inside of the first mounting hole (203) is movably installed with a fixed rod (5).

2. A cutter holder for a disc cutter suitable for heavy cutting according to claim 1, characterized in that: The two groups of first mounting holes (203) are symmetrically arranged, and the two groups of second mounting holes (402) are arranged on the same horizontal line.

3. A cutter holder for a disc cutter suitable for heavy cutting according to claim 1, characterized in that: The gear tooth (401) is arranged as an isosceles trapezoid, and the gear tooth (401) and the fixed slot (201) are matched and engaged with each other.

4. A cutter holder for a disc cutter suitable for heavy cutting according to claim 1, characterized in that: The end of the fixed rod (5) is fixed with a screw rod (503), and the outer wall of the screw rod (503) is sleeved with a nut (504).

5. A cutter holder for a disc cutter suitable for heavy cutting according to claim 1, characterized in that: One end of the fixed rod (5) is fixed with a limiting block (501), and the limiting block (501) and the fixed rod (5) combine to form a T-shaped structure, and the outer wall of the fixed gear disc (2) is provided with a limiting slot (202).

6. A cutter holder for a disc cutter suitable for heavy cutting according to claim 1, characterized in that: The diameters of the first mounting hole (203) and the second mounting hole (402) are the same, and the diameter of the fixed rod (5) is the same as that of the first mounting hole (203).

7. A cutter holder for a disc cutter suitable for heavy cutting according to claim 1, characterized in that: The two sides of the fixed rod (5) are provided with reinforcing blocks (502), and the diameters of the reinforcing blocks (502) are the same as that of the fixed rod (5).

8. A cutter holder for a disc cutter according to claim 7, characterized in that: The reinforcing block (502) is arranged between the gear tooth (401) and the fixed slot (201), and the length of the reinforcing block (502) is greater than that of the gear tooth (401).

9. A cutter holder for a disc cutter suitable for heavy cutting according to claim 1, characterized in that: The inside of the fixed gear disc (2) is installed with a threaded column (6), and the inside of the first mounting hole (203) and the second mounting hole (402) is provided with threads with the same coefficient as the threaded column (6).

10. A cutter holder for a disc cutter according to claim 9, characterized in that: One end of the threaded column (6) is fixed with a knob (601), and the outer wall of the knob (601) is provided with anti-skid threads.

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