CN209077811U - A clamping tool holder structure for lathe - Google Patents

Abstract

The utility model provides a clamping tool rest structure for a lathe, which comprises a support plate, wherein a top plate and a locking seat are respectively fixed on the upper part and the lower part of the support plate; the top surface of the locking seat is a first inclined surface, the locking seat is provided with a sliding groove, one end of the sliding groove is communicated with a locking screw hole, a locking screw is in threaded connection with a locking screw, a rotating rod and a limiting rod are sequentially fixed at one end, close to the sliding groove, of the locking screw, the diameter of the rotating rod is R, the diameter of the locking screw is R, R is greater than R, and the diameter of the limiting rod is D, D is greater than R; the locking seat is connected with a locking block in a sliding manner, the bottom of the locking block is a second inclined plane, a sliding block is fixed at the bottom of the locking block, and the clamping concave part is clamped on the rotating rod; and a turning tool assembly is arranged between the top plate and the locking block. The utility model discloses only need to operate a locking part just can accomplish the change operation of lathe tool, the time of trading the line is short, can effectively improve the efficiency of using multiple type lathe tool to process.

Description

A clamping tool holder structure for lathe

technical field

The utility model relates to a tool holder structure, in particular discloses a clamping tool holder structure for a lathe.

Background technique

A lathe is a machine tool that mainly uses turning tools to turn rotating workpieces. On the lathe, drills, reaming drills, reamers, taps, dies and knurling tools can also be used for corresponding processing. The lathe tool holder is a structure used to fix the turning tool.

The turning tools in traditional lathes are fixed by screws. Some tool holders are fixed with screws directly through the turning tools, and some tool holders use screws to press and fix the turning tools. In order to improve the fixing effect, more than 3 screws are usually used. To fix the turning tool, the screw directly acts on the turning tool, which is easy to damage the turning tool and will seriously reduce the service life of the turning tool. It is also necessary to tighten all the screws, the tool change operation is cumbersome, and the line change time is long, which is not conducive to the current high-efficiency demand for production operations.

Utility model content

Based on this, it is necessary to provide a clamping tool holder structure for a lathe in view of the problems of the prior art, which is easy to replace the turning tool, does not need the assistance of other tools, and shortens the time for changing the thread.

In order to solve the problems of the prior art, the utility model discloses a clamping tool holder structure for a lathe, which comprises a support plate, and a top plate and a locking seat are respectively fixed on the upper and lower parts of the support plate;

The top surface of the locking seat is the first inclined surface, the locking seat is provided with a sliding groove, one end of the sliding groove is connected with a locking screw hole, the locking screw hole is located in the locking seat, and the inner thread of the locking screw hole is connected There is a locking screw, one end of the locking screw close to the sliding groove is fixed with a rotating rod and a limit rod in turn, the diameter of the rotating rod is r, the diameter of the locking screw is R, R>r, and the diameter of the limit rod is D , D>r;

A locking block is slidably connected to the locking seat, the bottom of the locking block is a second inclined plane, the second inclined plane is parallel to the first inclined plane, a sliding block is fixed at the bottom of the locking block, and the sliding block is slidably connected in the sliding groove, The bottom of the sliding block is provided with a semicircular clamping recess, which is clamped on the rotating rod;

A turning tool assembly is arranged between the top plate and the locking block.

Further, a through hole is provided on the top plate, a positioning screw is arranged in the through hole, and an adjustment block is threadedly connected with the positioning screw through the through hole, the adjustment block is located at the bottom of the top plate, and the locking block and the sliding block are connected by screws.

Further, the top surface of the locking block is a third inclined surface, the bottom surface of the adjusting block is a fourth inclined surface, and the third inclined surface and the fourth inclined surface are parallel.

Further, the top of the locking block is provided with a guide groove, the bottom of the locking block is provided with a slide rail, and the slide rail is slidably connected in the guide groove.

Further, the bottom of the sliding groove is provided with a limit bracket, the limit bracket is a semicircular groove structure with D as a diameter, and the limit rod is slidably connected in the limit bracket.

Further, an adjustment handle is provided at one end of the locking screw rod away from the rotating rod.

The beneficial effects of the utility model are as follows: the utility model discloses a clamping tool holder structure for a lathe, a special turning tool clamping structure is arranged, and only one locking component can be removed or installed by operating The locking action of the turning tool can be completed without the assistance of other tools. The replacement operation of the turning tool is simple and the thread changing time is short, which can effectively improve the processing efficiency of various types of turning tools; at the same time, the locking structure of the turning tool can effectively protect the turning tool. The structure of the tool can prevent the turning tool from being damaged, thereby effectively ensuring the service life of the turning tool, and the locked state of the turning tool is stable and reliable, and it is not easy to loosen.

Description of drawings

FIG. 1 is a schematic diagram of the three-dimensional structure of the present invention.

FIG. 2 is a schematic view of the front structure of the utility model.

Figure 3 is a schematic diagram of the split structure of the present invention.

FIG. 4 is a schematic structural diagram of the present invention when another turning tool assembly is applied.

FIG. 5 is a schematic structural diagram of the present invention when another turning tool assembly is applied.

Reference numerals are: support plate 10, top plate 20, through hole 21, positioning screw 22, adjustment block 23, locking seat 30, sliding groove 31, locking screw hole 32, guide groove 33, limit bracket 34, The locking screw 40 , the rotating rod 41 , the limit rod 42 , the adjusting handle 43 , the locking block 50 , the sliding block 51 , the locking recess 511 , the sliding rail 52 , and the turning tool assembly 60 .

Detailed ways

In order to further understand the features, technical means, and specific goals and functions achieved by the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Refer to Figures 1 to 5.

The embodiment of the present utility model discloses a clamping tool holder structure for a lathe, comprising a support plate 10, and a top plate 20 and a locking seat 30 are respectively fixed on the upper and lower parts of the support plate 10;

The top surface of the locking seat 30 is a first inclined surface, the locking seat 30 is provided with a sliding groove 31, one end of the sliding groove 31 is connected with a locking screw hole 32, and the locking screw hole 32 is located in the locking seat 30, The locking screw hole 32 is internally threaded with a locking screw 40, and one end of the locking screw 40 close to the sliding groove 31 is sequentially fixed with a rotating rod 41 and a limit rod 42. The locking screw 40 and the rotating rod 41 are coaxially arranged and rotated. The diameter of the rod 41 is r, the diameter of the locking screw 40 is R, R>r, the diameter of the limit rod 42 is D, D>r, the two ends of the rotating rod 41 are decomposed and connected to the large-diameter locking screw 40 and the limiter. Position rod 42, the integral shaft rod structure forms a recessed clamping slot, which can be used to drive the sliding block 51 to move;

A locking block 50 is slidably connected to the locking seat 30 , the bottom of the locking block 50 is a second inclined surface, the second inclined surface is parallel to the first inclined surface, the first inclined surface and the second inclined surface are in coplanar contact, and the bottom of the locking block 50 is A sliding block 51 is fixed, and the sliding block 51 is slidably connected to the sliding groove 31. The bottom of the sliding block 51 is provided with a semicircular locking recess 511, and the locking recess 511 is snapped on the rotating rod 41. The recessed portion 511 of the shape of the locking position can effectively adapt to the rotation of the rotating rod 41, so as to ensure the smooth movement of the rotating rod 41;

A turning tool assembly 60 is arranged between the top plate 20 and the locking block 50 , the locking screw 40 is rotated, the locking screw 40 is inserted into or pulled out of the sliding groove 31 , and the protruding rod structures at both ends of the rotating rod 41 cooperate with the locking recess 511 The sliding block 50 is driven, the sliding block 51 slides in the sliding groove 31, and the locking block 50 is driven to slide along the first inclined plane. Since the first inclined plane and the second inclined plane are in parallel and close contact, the locking block 50 can be pushed in the sliding process. The lifting is realized in the middle, so that the locking block 50 can cooperate with the top plate 20 to clamp the turning tool assembly 60 .

The utility model is provided with a special turning tool clamping structure, and the locking action of removing or installing the turning tool can be completed only by operating one locking component, without the assistance of other tools, and the replacement operation of the turning tool is simple and convenient. The line time is short, which can effectively improve the processing efficiency of various types of turning tools; at the same time, the locking structure of the turning tool can effectively protect the structure of the turning tool and prevent the turning tool from being damaged, so as to effectively ensure the service life of the turning tool. The locked state of the knife is stable and reliable, and it is not easy to loosen.

In this embodiment, the top plate 20 is provided with a through hole 21, the through hole 21 is provided with a positioning screw 22, and the positioning screw 22 is threaded through the through hole to connect with an adjusting block 23, and the adjusting block 23 is located at the bottom of the top plate 20. The block 50 and the sliding block 51 are connected by screws. According to the structure and size of different turning tools, adjusting blocks 23 with different thicknesses are arranged to cooperate with the clamping block 50 to clamp the turning tool assembly 60, which can effectively improve the versatility. The locking block 50 and The sliding block 51 is connected by screws, and can be adapted to different processing requirements by replacing the locking block 50 and the adjusting block 23, and the overall tool holder structure has high universal performance.

Based on the above embodiment, the top surface of the locking block 50 is a third inclined surface, the bottom surface of the adjusting block 23 is a fourth inclined surface, the third inclined surface and the fourth inclined surface are parallel, and the third inclined surface and the fourth inclined surface can tilt the turning tool assembly 60 It can be set to meet the processing needs of different angular positions. When the top surface of the locking block 50 and the bottom surface of the adjusting block 23 are both flat, the turning tool assemblies 60 are arranged in parallel, which meets the requirements of general processing.

In this embodiment, the top of the locking block 50 is provided with a guide groove 33, the bottom of the locking block 50 is provided with a slide rail 52, the slide rail 52 is slidably connected to the guide groove 33, and the slide rail 52 and the guide groove 33 are arranged The sliding stability of the locking block 50 can be improved to ensure that the turning tool assembly 60 can be clamped effectively.

In this embodiment, the bottom of the sliding groove 31 is provided with a limit bracket 34, the limit bracket 34 is a semicircular groove structure with a diameter D, and the limit rod 42 is slidably connected in the limit bracket 34, The stability of the movement of the adjusting rotating rod 41 can be effectively improved, thereby effectively improving the stability of the overall operation.

In this embodiment, an adjustment handle 43 is provided at one end of the locking screw rod 40 away from the rotating rod 41 , and the adjustment handle 43 can facilitate the user to adjust the locking screw rod 40 .

The turning tool assembly 60 mainly has three applications. As shown in FIG. 1, the turning tool assembly 60 is a turning tool, and the turning tool is directly installed on the locking block 50; as shown in FIG. 4, the turning tool assembly 60 includes a turning tool and a turning tool. The tool seat, the turning tool is installed on the turning tool seat, and the turning tool seat is installed on the locking block 50; as shown in FIG. 5, the turning tool assembly 60 includes a turning tool, a turning seat and a turning tool seat, and the turning tool is connected through the turning seat. On the turning tool seat, the turning tool seat is installed on the locking block 50, and the rotating seat can drive the turning tool to rotate to meet different processing requirements.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the scope of the present invention. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for this utility model shall be subject to the appended claims.

Claims (6)

1. A clamping tool holder structure for a lathe, characterized in that it comprises a support plate (10), and a top plate (20) and a locking seat (30) are respectively fixed on the top and bottom of the support plate (10); The top surface of the locking seat (30) is a first inclined surface, the locking seat (30) is provided with a sliding groove (31), and one end of the sliding groove (31) is communicated with a locking screw hole (32), the locking screw hole (32) is located in the locking seat (30), the locking screw hole (32) is internally threaded with a locking screw (40), and the locking screw ( 40) A rotating rod (41) and a limit rod (42) are fixed in sequence at one end close to the sliding groove (31), the diameter of the rotating rod (41) is r, and the The diameter is R, R>r, the diameter of the limit rod (42) is D, D>r; A locking block (50) is slidably connected to the locking seat (30), the bottom of the locking block (50) is a second inclined surface, the second inclined surface is parallel to the first inclined surface, and the lock A sliding block (51) is fixed on the bottom of the tightening block (50), the sliding block (51) is slidably connected in the sliding groove (31), and the bottom of the sliding block (51) is provided with a semicircular shape a latching recess (511), the latching recess (511) is latched on the rotating rod (41); A turning tool assembly (60) is arranged between the top plate (20) and the locking block (50). 2 . The clamping tool holder structure for a lathe according to claim 1 , wherein the top plate ( 20 ) is provided with a through hole ( 21 ), and the through hole ( 21 ) is provided with a through hole ( 21 ). 3 . A positioning screw (22), the positioning screw (22) is threadedly connected with an adjustment block (23) through the through hole, the adjustment block (23) is located at the bottom of the top plate (20), and the locking block (50) ) and the sliding block (51) are connected by screws. 3. The clamping tool holder structure for a lathe according to claim 2, wherein the top surface of the locking block (50) is a third inclined surface, and the bottom surface of the adjusting block (23) is a fourth inclined plane, and the third inclined plane and the fourth inclined plane are parallel. 4. A clamping tool holder structure for a lathe according to claim 1, wherein a guide groove (33) is provided on the top of the locking block (50), and the locking block (50) ) is provided with a slide rail (52) at the bottom, and the slide rail (52) is slidably connected in the guide groove (33). 5 . The clamping tool holder structure for a lathe according to claim 1 , wherein the bottom of the sliding groove ( 31 ) is provided with a limit bracket ( 34 ), and the limit bracket (34) is a semicircular groove structure with D as a diameter, and the limiting rod (42) is slidably connected in the limiting bracket (34). 6 . The clamping tool holder structure for a lathe according to claim 1 , wherein an adjusting handle ( 43 ) is provided at one end of the locking screw ( 40 ) away from the rotating rod ( 41 ). 7 . .