Machine tool knife rest convenient to use

Abstract

The utility model relates to the technical field of numerical control machine tools, in particular to a machine tool knife rest convenient to use. The machine tool knife rest convenient to use comprises a knife rest body and a second pin seat, inserting grooves are evenly formed in the outer side wall of the knife rest body and penetrate through the right side of the knife rest body, mounting holes are evenly formed in the right side of the knife rest body, and through holes are formed in the left sides of the inner side walls of the mounting holes in a penetrating mode. A connecting plate is arranged on the right side of the pressing plate, a second bolt is moved inwards to be separated from a first inserting hole of a connecting rod, the connecting rod is driven to move rightwards through a first limiting disc by means of resilience force of a second spring, and when the connecting rod moves rightwards, the pressing plate is driven to be separated from a tool through the connecting plate, so that the tool can be pulled out of the tool rest. Compared with a traditional mode that the tool rest and the tool are fixed through a plurality of sets of bolts, the tool changing efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a machine tool tool rest that is easy to use. Background Art

[0002] The CNC tool holder is the most common auxiliary device of CNC lathes. It allows the CNC lathe to complete multiple or even all processing procedures in one clamping of the workpiece, so as to shorten the auxiliary time of processing and reduce the errors caused by multiple installations of the workpiece during the processing, thereby improving the processing efficiency and processing accuracy of the machine tool. At present, with the continuous advancement and development of science and technology, CNC tool holders are becoming more and more widely used.

[0003] A Chinese patent with announcement number CN217727874U discloses an easy-to-use tool holder for CNC machine tools, comprising: a frame body and eight clamping blocks, an outer side of the frame body having a first mounting groove equidistantly provided in an annular shape, and the number of the first mounting grooves is eight, an outer side of the frame body and both sides of the first mounting groove are provided with limiting grooves, and the number of the limiting grooves is sixteen, the interiors of the sixteen limiting grooves are welded and connected with limiting rods, and every two limiting rods pass through limiting blocks, and the number of limiting blocks is eight. When the tool holder for CNC machine tools provided by the utility model is easy to use, two screws are loosened, and the first spring is reset at this time, effectively pushing the clamping block outward, and the clamping block releases the clamping of the tool, making it easy to remove the tool for replacement. After the new tool is placed, the clamping block is pushed toward the frame body, and the first spring is compressed at this time. After the tool is fixed, the screw is locked, and then the fixing nail is locked to further fix the tool;

[0004] The above-mentioned existing technical solution has the following defects: in actual use, when the tool needs to be replaced, two sets of screws need to be loosened to separate the clamping block from the tool. Compared with the traditional method of fixing the tool holder and the tool with multiple sets of bolts, it cannot effectively improve the tool replacement efficiency. In view of the above situation, technical innovation is carried out on the basis of the existing easy-to-use machine tool tool holder. Utility Model Content

[0005] The purpose of the utility model is to provide a machine tool tool holder that is easy to use, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a machine tool tool holder that is easy to use, comprising:

[0007] A tool holder, wherein the outer wall of the tool holder is evenly provided with slots, the slots penetrate the right side of the tool holder, the right side of the tool holder is evenly provided with mounting holes, and the left side of the inner wall of the mounting hole is penetrated with a through hole, wherein:

[0008] A pressure plate is arranged in the slot, a connecting plate is arranged on the right side of the pressure plate, a first threaded hole is penetrated through the connecting plate and the right side of the pressure plate, a fastening bolt is screwed in the first threaded hole, two groups of connecting rods are evenly arranged on the left side of the connecting plate, a first limiting plate is arranged on the outer side wall of the connecting rod, a second spring is arranged on the left side of the first limiting plate, the second spring is located on the outer ring of the connecting rod, a first jack is penetrated through the outer side wall of the connecting rod, and a second limiting plate is arranged on the left side of the connecting rod;

[0009] A second pin seat, the outer side wall of the second pin seat is evenly provided with two groups of pin grooves, a third spring is arranged in the pin groove, a second latch is arranged on the outer side wall of the third spring, the second latch is arranged in the pin groove, and the right end of the second latch away from the second pin seat is inserted into the first socket of the connecting rod.

[0010] Preferably, a tool is inserted into the slot, the left side of the pressure plate and the fastening bolt fits with the right side of the tool, the second spring is fixedly arranged in the mounting hole, the first limit plate is slidably arranged in the mounting hole, and the connecting rod is arranged in the through hole.

[0011] Preferably, a connecting sleeve is provided on the left side of the tool holder, positioning grooves are evenly opened on the left side of the connecting sleeve, a transmission shaft is inserted into the inner cavity of the connecting sleeve, and positioning blocks are evenly provided on the outer side wall of the transmission shaft, and the positioning blocks are arranged in the positioning grooves.

[0012] Preferably, a bolt hole is formed through the top of the connecting sleeve, and a second threaded hole is formed through the top of the transmission shaft and the positioning block. A fixing bolt is arranged in the bolt hole, and the fixing bolt is threadedly connected to the second threaded hole.

[0013] Preferably, a first pin seat is provided at the bottom of the connecting sleeve, a first spring is provided in the inner cavity of the first pin seat, a first latch is provided on the left side of the first spring, and the first latch is provided in the inner cavity of the first pin seat.

[0014] Preferably, a second insertion hole is formed through the right side of the fixing bolt, and one end of the first latch pin away from the first pin seat is inserted into the second insertion hole.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] The second latch is moved inward to separate it from the first socket of the connecting rod, and the resilience of the second spring is used to drive the connecting rod to move to the right through the first limit plate. When the connecting rod moves to the right, the pressure plate is driven to separate from the tool through the connecting plate, so that the tool can be pulled out of the tool holder. Compared with the traditional method of fixing the tool holder and the tool with multiple sets of bolts, the utility model can effectively improve the efficiency of tool replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a left side view of the utility model;

[0019] Figure 3 It is a front cross-sectional view of the utility model;

[0020] Figure 4 It is a top partial cross-sectional view of the utility model.

[0021] In the figure: 1, transmission shaft; 11, positioning block; 12, connecting sleeve; 13, fixing bolt; 14, first pin seat; 15, first spring; 16, first latch; 2, tool holder; 3, tool; 4, pressure plate; 41, connecting plate; 42, fastening bolt; 43, connecting rod; 44, first limiting plate; 45, second spring; 46, second pin seat; 47, second latch; 48, third spring; 49, second limiting plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4A machine tool tool holder that is easy to use includes a tool holder 2 and a second pin seat 46. The outer wall of the tool holder 2 is evenly provided with slots, and the slots pass through the right side of the tool holder 2. The right side of the tool holder 2 is evenly provided with mounting holes. The left side of the inner wall of the mounting hole is penetrated with a through hole, wherein: a pressure plate 4 is slidably arranged in the slot, a connecting plate 41 is fixedly arranged on the right side of the pressure plate 4, a first threaded hole is penetrated and opened on the right side of the connecting plate 41 and the pressure plate 4, a fastening bolt 42 is screwed in the first threaded hole, and the fastening bolt 42 is tightened to make it press the tool 3 against the slot, so as to improve the stability of the tool 3 in the slot, two groups of connecting rods 43 are evenly fixedly arranged on the left side of the connecting plate 41, a first limiting plate 44 is fixedly arranged on the outer wall of the connecting rod 43, and the left side of the first limiting plate 44 A second spring 45 is fixedly provided, and the second spring 45 is located at the outer ring of the connecting rod 43. A first plug hole is penetrated through the outer wall of the connecting rod 43. A second limiting plate 49 is fixedly provided on the left side of the connecting rod 43. Two groups of pin grooves are evenly provided on the outer wall of the second pin seat 46. A third spring 48 is fixedly provided in the pin groove. A second latch 47 is fixedly provided on the outer wall of the third spring 48. The second latch 47 is slidably provided in the pin groove. The right end of the second latch 47 away from the second pin seat 46 is inserted into the first plug hole of the connecting rod 43. The second latch 47 is driven by the third spring 48 to be inserted into the first plug hole of the connecting rod 43, thereby completing the fixing of the connecting rod 43, and then completing the fixing of the connecting plate 41 and the pressure plate 4, and the tool 3 is pressed and fixed in the plug by the pressure plate 4. The tool 3 is inserted in the slot, and the left side of the pressure plate 4 and the fastening bolt 42 fits with the right side of the tool 3. The second spring 45 is fixedly arranged in the mounting hole, the first limiting plate 44 is slidably arranged in the mounting hole, and the connecting rod 43 is slidably arranged in the through hole. The left side of the tool holder 2 is fixedly arranged with a connecting sleeve 12, and the left side of the connecting sleeve 12 is evenly provided with positioning grooves. The cavity is plugged with a transmission shaft 1, and a positioning block 11 is evenly fixed on the outer wall of the transmission shaft 1. The positioning block 11 is fixed in the positioning groove. A bolt hole is penetrated through the top of the connecting sleeve 12, and a second threaded hole is penetrated through the top of the transmission shaft 1 and the positioning block 11. A fixing bolt 13 is rotatably arranged in the bolt hole, and the fixing bolt 13 is threadedly connected with the second threaded hole. A first pin seat 14 is fixedly arranged at the bottom of the connecting sleeve 12, and a first spring 15 is fixedly arranged in the inner cavity of the first pin seat 14. A first latch 16 is fixedly arranged on the left side of the first spring 15, and the first latch 16 is slidably arranged in the inner cavity of the first pin seat 14. A second plug hole is penetrated through the right side of the fixing bolt 13, and the end of the first latch 16 away from the first pin seat 14 is inserted in the second plug hole.The connecting sleeve 12 is sleeved on the outer side of the transmission shaft 1 and the positioning block 11, and the connecting sleeve 12 is fixed on the outer side of the transmission shaft 1 and the positioning block 11 by the fixing bolt 13. The first spring 15 drives the first latch 16 to be inserted into the second insertion hole of the fixing bolt 13, so as to improve the stability of the fixing bolt 13, and further improve the connection stability between the transmission shaft 1 and the tool holder 2.

[0024] Working principle: The connecting sleeve 12 is sleeved on the outer side of the transmission shaft 1 and the positioning block 11, and the connecting sleeve 12 is fixed to the outer side of the transmission shaft 1 and the positioning block 11 by the fixing bolt 13. The first spring 15 drives the first latch 16 to be inserted into the second insertion hole of the fixing bolt 13, so as to improve the stability of the fixing bolt 13, thereby improving the connection stability between the transmission shaft 1 and the tool holder 2. The third spring 48 drives the second latch 47 to be inserted into the first insertion hole of the connecting rod 43, thereby completing the fixing of the connecting rod 43, and then completing the connection between the connecting plate 41 and The pressure plate 4 is fixed, and the tool 3 is pressed and fixed in the slot by the pressure plate 4. The tool 3 is assembled with the tool holder 2, and the fastening bolt 42 is tightened to press the tool 3 into the slot, so that the stability of the tool 3 in the slot is improved, and the second pin 47 is moved inward to separate it from the first socket of the connecting rod 43. The rebound force of the second spring 45 is used to drive the connecting rod 43 to move to the right through the first limit plate 44. When the connecting rod 43 moves to the right, the pressure plate 4 is driven to separate from the tool 3 through the connecting plate 41, so that the tool 3 can be pulled out from the tool holder 2.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A machine tool tool holder that is easy to use, characterized in that: include: A tool holder (2), wherein the outer wall of the tool holder (2) is evenly provided with slots, the slots penetrate the right side of the tool holder (2), the right side of the tool holder (2) is evenly provided with mounting holes, and the left side of the inner wall of the mounting hole is penetrated with a through hole, wherein: A pressure plate (4) is arranged in the slot, a connecting plate (41) is arranged on the right side of the pressure plate (4), a first threaded hole is penetrated through the connecting plate (41) and the right side of the pressure plate (4), a fastening bolt (42) is screwed into the first threaded hole, two groups of connecting rods (43) are evenly arranged on the left side of the connecting plate (41), a first limiting plate (44) is arranged on the outer side wall of the connecting rod (43), a second spring (45) is arranged on the left side of the first limiting plate (44), and the second spring (45) is located on the outer ring of the connecting rod (43), a first plug hole is penetrated through the outer side wall of the connecting rod (43), and a second limiting plate (49) is arranged on the left side of the connecting rod (43); A second pin seat (46), the outer side wall of the second pin seat (46) is evenly provided with two groups of pin grooves, a third spring (48) is arranged in the pin groove, the outer side wall of the third spring (48) is provided with a second latch (47), the second latch (47) is arranged in the pin groove, and the right end of the second latch (47) away from the second pin seat (46) is inserted into the first socket of the connecting rod (43).

2. A machine tool tool rest that is easy to use according to claim 1, characterized in that: A tool (3) is inserted into the slot, the left side of the pressure plate (4) and the fastening bolt (42) fits with the right side of the tool (3), the second spring (45) is fixedly arranged in the mounting hole, the first limit plate (44) is slidably arranged in the mounting hole, and the connecting rod (43) is arranged in the through hole.

3. The easy-to-use machine tool tool rest according to claim 1, characterized in that: A connecting sleeve (12) is arranged on the left side of the tool holder (2), and positioning grooves are evenly arranged on the left side of the connecting sleeve (12). A transmission shaft (1) is inserted into the inner cavity of the connecting sleeve (12), and positioning blocks (11) are evenly arranged on the outer side wall of the transmission shaft (1), and the positioning blocks (11) are arranged in the positioning grooves.

4. A machine tool tool rest that is easy to use according to claim 3, characterized in that: A bolt hole is formed through the top of the connecting sleeve (12), and a second threaded hole is formed through the top of the transmission shaft (1) and the positioning block (11). A fixing bolt (13) is arranged in the bolt hole, and the fixing bolt (13) is threadedly connected to the second threaded hole.

5. A machine tool tool rest that is easy to use according to claim 4, characterized in that: A first pin seat (14) is arranged at the bottom of the connecting sleeve (12), a first spring (15) is arranged in the inner cavity of the first pin seat (14), a first latch (16) is arranged on the left side of the first spring (15), and the first latch (16) is arranged in the inner cavity of the first pin seat (14).

6. A machine tool tool rest that is easy to use according to claim 5, characterized in that: A second insertion hole is formed through the right side of the fixing bolt (13), and one end of the first latch pin (16) away from the first pin seat (14) is inserted into the second insertion hole.

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