CN219520528U - Tool holder for machine tool - Google Patents

Abstract

The utility model discloses a tool holder for a machine tool, which relates to the technical field of tool holders for machine tools and comprises a bottom plate, wherein a clamping groove is formed in the surface of the bottom plate, a clamping assembly is arranged on the back surface of the bottom plate, the clamping assembly comprises a first bracket, a driving motor and an auxiliary assembly, the first bracket is fixedly arranged on the back surface of the bottom plate, and a bidirectional screw rod is rotatably connected to the inner wall of the first bracket through a bearing; the beneficial effects of the utility model are as follows: the two-way lead screw drives two anti-rotation plates and moves, and two anti-rotation plates drive two clamping arms and move, and two clamping arms drive two clamping blocks and move, so that the two clamping blocks are separated from the cutter, the clamping of the two clamping blocks and the clamping groove to the cutter is relieved, the problem that the two spherical bodies are required to be manually pushed when the cutter is taken down, the cutter is easily scratched by the sharp edge of the cutter, and the safety is not high is solved, and convenience is brought to workers.

Description

Tool holder for machine tool

Technical Field

The utility model relates to a tool holder, in particular to a tool holder for a machine tool, and belongs to the technical field of tool holders of machine tools.

Background

The machine tool is a machine for manufacturing a machine, also called a machine tool or a machine tool, and conventionally referred to as a machine tool, and is generally classified into a metal cutting machine, a forging machine, a woodworking machine, and the like. In the case of parts with high requirements for machining precision and fine requirements for surface roughness, the final machining is generally performed on a machine tool by a cutting method. The machine tool holder is a clamping structure of a machine tool magazine for storing tools to be used, and in the whole machine tool changing process, if the positions of the tools change, the tools can be failed to change. The tool holder is an important component in automatic tool changing machines, and relates to the tool changing precision of the whole machine tool.

The numerical control machine tool holder disclosed in the application number CN201720586291.6 comprises a holder body, a clamping part and a clamping part, wherein the holder body comprises a mounting part and a clamping part; the two clamping parts are integrally formed on two sides of the mounting part and are symmetrically arranged; the mounting hole is arranged at the front end of the clamping part; a spring assembled in the mounting hole; the spring pressing plate is fixed on the outer side of the clamping part, and one end of the spring is connected with the spring pressing plate; the ball assembly is fixed at the other end of the spring, and the ball is positioned at the inner side of the clamping part; the tool holder body is made of metal, and the application number of the tool holder body is CN202020681172.0, which discloses a tool holder for a hard surface wheel machining machine tool, and the tool holder comprises an assembly head, a tool holder base body, a side plate I and a side plate II, wherein the assembly head is arranged at one end part of the tool holder base body; the first side plate and the second side plate are respectively fixedly connected to two opposite side surfaces of the tool holder base body; the joint of the assembly head and the tool holder base body is a smoothly-transitional fillet. The utility model adopts the design of the connection part of the round corners, so that the processing difficulty is not increased, and the connection part of smooth transition is not subjected to concentrated local stress, thereby avoiding the occurrence of fracture caused by overlarge local load, greatly prolonging the effective service life of the tool holder, improving the processing efficiency of hard-faced wheels, ensuring that the processing quality is not affected, and having the advantages of simple structure, reasonable design and easy manufacture, but the tool holder of the machine tool has the following defects:

the existing machine tool knife rest clamps the knife through the clamping surface and the two spherical bodies, when the knife is taken down, the two spherical bodies are needed to be pushed manually, and the knife is easily scratched by the sharp edge of the knife, so that the safety is not enough.

Disclosure of Invention

The utility model aims to provide a tool holder for a machine tool, which aims to solve the problems that the existing tool holder for the machine tool provided in the background art clamps a tool through a clamping surface and two spherical bodies, the two spherical bodies are required to be manually pushed and extruded when the tool is taken down, the tool is easily scratched by sharp edges of the tool, and the safety is not enough.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cutter holder for lathe, includes the bottom plate, the centre gripping groove has been seted up on the surface of bottom plate, the back of bottom plate is equipped with clamping assembly, clamping assembly includes first support, driving motor and auxiliary assembly, first support is fixed to be set up at the back of bottom plate, the inner wall of first support is connected with two-way lead screw through the bearing rotation, two-way lead screw's surface has two anti-rotation boards through lead screw nut threaded connection, two the bottom of anti-rotation board is all fixed to be equipped with the centre gripping arm, two the top of centre gripping arm is all fixed to be equipped with the grip block, driving motor is fixed to be set up in one side of first support, driving motor's transmission shaft and two-way lead screw's one end fixed connection.

Preferably, the back of two the anti-rotation plates is in sliding connection with the inner wall at the back of the first support, the front of the two anti-rotation plates is in sliding connection with the back of the bottom plate, the two clamping arms are in Z shape, the top ends of the clamping arms are in sliding connection with the bottom end of the bottom plate, the back of the clamping blocks is in sliding connection with the front of the bottom plate, the surfaces of the clamping blocks are provided with auxiliary grooves, and the driving motor is a positive and negative rotating motor.

Preferably, the auxiliary assembly comprises a vertical plate, the vertical plate is fixedly arranged at the bottom end of the first support, a supporting plate is fixedly arranged on the front surface of the vertical plate, a positioning ring is fixedly arranged at the top end of the supporting plate, an auxiliary cylinder is connected with surface threads of the positioning ring, a first through hole is formed in the surface of the auxiliary cylinder, a cork is slidably connected with the inner wall of the auxiliary cylinder, two first reinforcing ribs are fixedly arranged between the vertical plate and the first support, and two second reinforcing ribs are fixedly arranged between the vertical plate and the supporting plate.

Preferably, the surface of the cork is in sliding connection with the inner wall of the positioning ring, and the bottom end of the cork is in sliding connection with the top end of the supporting plate.

Preferably, the surface of the auxiliary cylinder is fixedly provided with two push rods, and the surfaces of the two push rods are provided with grooves.

Preferably, a second through hole is formed in the surface of the supporting plate, and the inside of the second through hole is communicated with the inside of the positioning ring.

Preferably, the top of bottom plate is fixed and is equipped with the connecting plate, two mounting holes have been seted up to the surface of connecting plate, one side of connecting plate is fixed and is equipped with switch panel, the bottom mounting of connecting plate is equipped with the second support, and two the bottom of centre gripping arm all with the inner wall sliding connection of second support.

Preferably, a driving motor switch is arranged on the surface of the switch panel, and the driving motor is electrically connected with an external power supply through the driving motor switch.

Compared with the related art, the tool holder for the machine tool has the following beneficial effects:

1. the two-way screw rod drives the two anti-rotation plates to move, the two anti-rotation plates drive the two clamping arms to move, the two clamping arms drive the two clamping blocks to move, the two clamping blocks are caused to be separated from the cutter, the clamping of the two clamping blocks and the clamping groove on the cutter is relieved, the problem that the two spherical bodies are required to be manually pushed when the cutter is taken down, the cutter is easily scratched by the sharp edge of the cutter, and the safety is not high is solved, and convenience is brought to workers;

2. the cutter can pass the inside of first through-hole insertion cork when being held by the grip block centre gripping, fixes the bottom of cutter through the cork, further promotes the stability when the cutter is deposited in the lathe cutter holder, and new cork is blocked into to the inside of holding ring, and the auxiliary cylinder of screw in again, until the inner wall and the backup pad of auxiliary cylinder all laminate with the surface of cork, accomplish the change of cork, it is very convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is a schematic structural view of a first bracket according to the present utility model.

In the figure: 1. a bottom plate; 2. a clamping groove; 3. a clamping assembly; 31. a first bracket; 32. a two-way screw rod; 33. an anti-rotation plate; 34. a clamping arm; 35. a clamping block; 36. a driving motor; 4. an auxiliary component; 41. a riser; 42. a support plate; 43. a positioning ring; 44. an auxiliary cylinder; 45. a first through hole; 46. a cork; 47. a first reinforcing rib; 48. a second reinforcing rib; 5. an auxiliary groove; 6. a push rod; 7. a second through hole; 8. a connecting plate; 9. a mounting hole; 10. a switch panel; 11. and a second bracket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-4, the utility model provides a tool holder for a machine tool, which comprises a bottom plate 1, wherein a clamping groove 2 is formed in the surface of the bottom plate 1, and a clamping assembly 3 is arranged on the back surface of the bottom plate 1;

the top end of the bottom plate 1 is fixedly provided with a connecting plate 8, the surface of the connecting plate 8 is provided with two mounting holes 9, one side of the connecting plate 8 is fixedly provided with a switch panel 10, the bottom end of the connecting plate 8 is fixedly provided with a second bracket 11, the bottom ends of two clamping arms 34 are both in sliding connection with the inner wall of the second bracket 11, the mounting holes 9 are convenient for mounting the connecting plate 8 on the surface of a machine tool, and the second bracket 11 supports the clamping arms 34, so that the stability of the two clamping arms 34 and the two clamping blocks 35 is improved;

referring to fig. 1-4, the tool holder for a machine tool further includes a clamping assembly 3, the clamping assembly 3 includes a first bracket 31, a driving motor 36 and an auxiliary assembly 4, the first bracket 31 is fixedly disposed on the back of the bottom plate 1, the inner wall of the first bracket 31 is rotatably connected with a bidirectional screw rod 32 through a bearing, the surface of the bidirectional screw rod 32 is connected with two anti-rotation plates 33 through screw rod nuts, the bottom ends of the two anti-rotation plates 33 are fixedly provided with clamping arms 34, the top ends of the two clamping arms 34 are fixedly provided with clamping blocks 35, the driving motor 36 is fixedly disposed on one side of the first bracket 31, and a transmission shaft of the driving motor 36 is fixedly connected with one end of the bidirectional screw rod 32;

the back surfaces of the two anti-rotation plates 33 are in sliding connection with the inner wall of the back surface of the first bracket 31, the front surfaces of the two anti-rotation plates 33 are in sliding connection with the back surface of the bottom plate 1, and the two clamping arms 34 are Z-shaped, so that the length of the bidirectional screw rod 32 and the length of the first bracket 31 are shortened conveniently; the top ends of the two clamping arms 34 are in sliding connection with the bottom end of the bottom plate 1, the back surfaces of the two clamping blocks 35 are in sliding connection with the front surface of the bottom plate 1, the surfaces of the two clamping blocks 35 are provided with auxiliary grooves 5, the inner walls of the two auxiliary grooves 5 are matched with the inner walls of the clamping grooves 2 to form clamping surfaces capable of clamping a cutter, and the driving motor 36 is a forward and backward rotating motor;

the surface of the switch panel 10 is provided with a driving motor switch, and the driving motor 36 is electrically connected with an external power supply through the driving motor switch;

specifically, as shown in fig. 1, 2, 3 and 4, the driving motor 36 is started through the driving motor switch, the driving motor 36 drives the bidirectional screw rod 32 to rotate, the bidirectional screw rod 32 drives the two anti-rotation plates 33 to move, the two anti-rotation plates 33 drive the two clamping arms 34 to move, the two clamping arms 34 drive the two clamping blocks 35 to move, the two clamping blocks 35 are caused to be separated from the cutter, the clamping of the two clamping blocks 35 and the clamping groove 2 to the cutter is released, the problem that the existing cutter needs to be manually pushed to push the two spherical bodies when the cutter is taken down, the cutter is easily scratched by the sharp edge of the cutter, and the safety is not high is solved, and convenience is brought to workers.

Example 2:

the auxiliary assembly 4 comprises a vertical plate 41, the vertical plate 41 is fixedly arranged at the bottom end of the first bracket 31, a supporting plate 42 is fixedly arranged on the front surface of the vertical plate 41, a positioning ring 43 is fixedly arranged at the top end of the supporting plate 42, an auxiliary cylinder 44 is connected to the surface of the positioning ring 43 in a threaded manner, a first through hole 45 is formed in the surface of the auxiliary cylinder 44, a cork 46 is connected to the inner wall of the auxiliary cylinder 44 in a sliding manner, two first reinforcing ribs 47 are fixedly arranged between the vertical plate 41 and the first bracket 31, and two second reinforcing ribs 48 are fixedly arranged between the vertical plate 41 and the supporting plate 42;

the surface of the cork 46 is in sliding connection with the inner wall of the positioning ring 43, the bottom end of the cork 46 is in sliding connection with the top end of the supporting plate 42, and the cork 46 is clamped into the positioning ring 43;

two push rods 6 are fixedly arranged on the surface of the auxiliary cylinder 44, grooves are formed in the surfaces of the two push rods 6, the grooves facilitate pushing of the push rods 6, the push rods 6 facilitate pushing of the auxiliary cylinder 44, and the disassembly of the auxiliary cylinder 44 is facilitated;

the surface of the supporting plate 42 is provided with a second through hole 7, the inside of the second through hole 7 is communicated with the inside of the positioning ring 43, fingers or screwdrivers can extend into the second through hole 7, and then the cork 46 clamped into the positioning ring 43 is ejected upwards, so that the cork 46 can be conveniently removed and replaced;

specifically, as shown in fig. 1, 2 and 3, the tip of the cutter will pass through the first through hole 45 and insert into the cork 46 when being clamped by the clamping block 35, the bottom of the cutter is fixed by the cork 46, the stability of the cutter when being stored in the tool holder of the machine tool is further improved, the diameter of the cork 46 is larger than that of the first through hole 45, therefore, the cork 46 cannot pass through the first through hole 45, the collection of the cutter cannot be influenced, after the existing cork 46 is damaged, the cork 46 needs to be replaced, the push rod 6 is pushed, the push rod 6 drives the auxiliary cylinder 44 to rotate, the auxiliary cylinder 44 is separated from the positioning ring 43, the cork 46 is removed, a new cork 46 is clamped into the positioning ring 43, and the auxiliary cylinder 44 is screwed again until the inner wall of the auxiliary cylinder 44 and the support plate 42 are attached to the surface of the cork 46, and the replacement of the cork 46 is completed, so that the convenience is achieved.

Working principle: when the tool holder for the machine tool is particularly used, the driving motor 36 is started through the switch of the driving motor, the driving motor 36 drives the bidirectional screw rod 32 to rotate, the bidirectional screw rod 32 drives the two anti-rotation plates 33 to move, the two anti-rotation plates 33 drive the two clamping arms 34 to move, the two clamping arms 34 drive the two clamping blocks 35 to move, the two clamping blocks 35 are separated from the tool, the clamping of the two clamping blocks 35 and the clamping groove 2 on the tool is released, the problems that the prior tool needs to be manually pushed to push the two spherical bodies and is easily scratched by the sharp edge of the tool and is not safe enough are solved, convenience is brought to workers, the tip of the tool can penetrate through the first through hole 45 to be inserted into the inside of the cork 46 when the tool is clamped by the clamping blocks 35, the bottom of the tool is fixed through the cork 46, and the stability of the tool when the tool is stored in the tool holder of the machine tool is further improved, the diameter of the cork 46 is larger than that of the first through hole 45, so the cork 46 cannot pass through the first through hole 45, the collection of a cutter cannot be affected, and the cork 46 needs to be replaced after the existing cork 46 is damaged, the push rod 6 is pushed, the push rod 6 drives the auxiliary cylinder 44 to rotate, the auxiliary cylinder 44 is separated from the positioning ring 43, fingers or a screwdriver can be extended through the second through hole 7, the cork 46 clamped into the positioning ring 43 is ejected upwards, the cork 46 is removed, then a new cork 46 is clamped into the positioning ring 43, the auxiliary cylinder 44 is screwed again until the inner wall of the auxiliary cylinder 44 and the supporting plate 42 are attached to the surface of the cork 46, the cork 46 is replaced, the two first reinforcing ribs 47 can enhance the connection strength of the riser 41 and the first bracket 31, the two second reinforcing ribs 48 can enhance the connection strength of the riser 41 and the supporting plate 42, the mounting hole 9 is convenient for install the connecting plate 8 on the surface of lathe, and the whole lathe cutter holder of being convenient for deposits the cutter that waits to use on the surface of lathe, and the second support 11 supports the arm 34, is favorable to promoting the stability of two arms 34 and two grip blocks 35.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a tool holder for lathe, includes bottom plate (1), its characterized in that, centre gripping groove (2) have been seted up on the surface of bottom plate (1), the back of bottom plate (1) is equipped with clamping assembly (3), clamping assembly (3) are including first support (31), driving motor (36) and auxiliary assembly (4), the fixed back that sets up at bottom plate (1) of first support (31), the inner wall of first support (31) is connected with two-way lead screw (32) through the bearing rotation, the surface of two-way lead screw (32) has two anti-spin board (33) through lead screw nut threaded connection, two the bottom of anti-spin board (33) is all fixed and is equipped with centre gripping arm (34), two the top of centre gripping arm (34) is all fixed and is equipped with grip block (35), driving motor (36) are fixed to be set up in one side of first support (31), the transmission shaft and the one end fixed connection of two-way lead screw (32) of driving motor (36).

2. A tool holder for a machine tool according to claim 1, wherein: the back of two anti-rotation plate (33) all with the inner wall sliding connection at first support (31) back, two the front of anti-rotation plate (33) all with the back sliding connection of bottom plate (1), two centre gripping arm (34) all set up to the Z type, two the top of centre gripping arm (34) all with the bottom sliding connection of bottom plate (1), two the back of grip block (35) all with the front sliding connection of bottom plate (1), two auxiliary tank (5) have all been seted up on the surface of grip block (35), driving motor (36) are positive and negative rotation motor.

3. A tool holder for a machine tool according to claim 1, wherein: the auxiliary assembly (4) comprises a vertical plate (41), the vertical plate (41) is fixedly arranged at the bottom end of the first support (31), a supporting plate (42) is fixedly arranged on the front surface of the vertical plate (41), a positioning ring (43) is fixedly arranged at the top end of the supporting plate (42), an auxiliary cylinder (44) is connected with the surface of the positioning ring (43) in a threaded mode, a first through hole (45) is formed in the surface of the auxiliary cylinder (44), a cork (46) is slidably connected with the inner wall of the auxiliary cylinder (44), two first reinforcing ribs (47) are fixedly arranged between the vertical plate (41) and the first support (31), and two second reinforcing ribs (48) are fixedly arranged between the vertical plate (41) and the supporting plate (42).

4. A tool holder for a machine tool according to claim 3, wherein: the surface of the cork (46) is in sliding connection with the inner wall of the positioning ring (43), and the bottom end of the cork (46) is in sliding connection with the top end of the supporting plate (42).

5. A tool holder for a machine tool according to claim 3, wherein: two push rods (6) are fixedly arranged on the surface of the auxiliary cylinder (44), and grooves are formed in the surfaces of the two push rods (6).

6. A tool holder for a machine tool according to claim 3, wherein: the surface of the supporting plate (42) is provided with a second through hole (7), and the inside of the second through hole (7) is communicated with the inside of the positioning ring (43).

7. A tool holder for a machine tool according to claim 1, wherein: the bottom plate (1) is fixed on top and is equipped with connecting plate (8), two mounting holes (9) have been seted up on the surface of connecting plate (8), one side of connecting plate (8) is fixed and is equipped with switch panel (10), the bottom mounting of connecting plate (8) is equipped with second support (11), and two the bottom of centre gripping arm (34) all with the inner wall sliding connection of second support (11).

8. A tool holder for a machine tool according to claim 7, wherein: the surface of the switch panel (10) is provided with a driving motor switch, and the driving motor (36) is electrically connected with an external power supply through the driving motor switch.