Numerically controlled lathe tool rest change conversion equipment
By driving the lead screw to drive the lead screw nut and cross plate, multiple conversions of the CNC lathe tool holder are realized, solving the problem of fixed number of tools in the prior art, improving machining efficiency and protecting the motor.
Patent Information
- Application Number
- CN202422311657.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-09-23
AI Technical Summary
Only one tool holder is installed on the existing CNC lathe, resulting in a fixed number of tools and requires staff to shut down and replace, reducing the efficiency of machining complex parts.
The combination of motor, lead screw, lead screw nut, cross rod, slide chute and cross plate is used to realize the conversion of multiple tool holders, avoid manual tool replacement, and protect the motor through protective components.
It realizes that the tool is replaced without shutting down when machining complex parts, improves the efficiency of CNC lathes, and protects the motor from external collisions.
Smart Images

Figure CN223198078U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of numerically controlled lathes, in particular to a tool holder changing and converting device for numerically controlled lathes. Background Art
[0002] A CNC lathe, that is, a lathe controlled by a computer, is a highly efficient automated equipment that automatically processes workpieces according to a pre-programmed CNC program.
[0003] When the existing CNC lathe tool holder is in use, the worker places the tool on the tool holder, turns the bolt to fix the tool to the tool holder, and moves the tool holder to process the part;
[0004] However, when processing some complex parts, existing CNC lathes may need to use multiple tools to process the parts. Since there is only one tool holder on the CNC lathe to fix the tools, the number of fixed tools on a tool holder is fixed, and the staff needs to stop the machine to replace the tools, which reduces the use effect of the existing CNC lathe tool holder. Utility Model Content
[0005] In response to the deficiencies in the prior art, the utility model provides a CNC lathe tool holder change and conversion device, which solves the problem that when the existing CNC lathe processes some complex parts, the number of fixed tools on a tool holder is fixed, and the staff needs to stop the machine to replace the tools, thereby reducing the use effect of the existing CNC lathe tool holder.
[0006] To achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions: a CNC lathe tool holder change conversion device, comprising a mounting plate, an inner wall of the mounting plate is provided with a mounting hole, an empty box is provided above the mounting plate, a tool holder is provided above the empty box, and a conversion mechanism is provided inside the empty box, the conversion mechanism comprising: a motor, fixedly connected to the outer wall of the empty box; a screw, fixedly connected to the output shaft of the motor and rotatably connected to the inner wall of the empty box through a bearing; a screw nut, threadedly connected to the outer wall of the screw; a slide groove, provided on the inner wall of the empty box; a second slider, fixedly connected to the surface of the screw nut and slidably engaged with the inner wall of the slide groove; a cross plate, fixedly connected to the outer wall of the screw nut; a protective assembly, provided on the outside of the empty box; wherein, under the drive of the motor, the screw causes the screw nut to drive the cross plate to move, thereby driving the two groups of tool holders to move, changing and converting the tool holders, and protecting the motor by the protective assembly.
[0007] Preferably, the protective assembly includes: a base plate, which is attached to the surface of the mounting plate; a support column, which is fixedly connected to the surface of the base plate; a cover body, which is fixedly connected to the end of the support column and is attached to the outer wall of the empty box; screws, which are threadedly connected to the inner wall of the base plate and the inner wall of the mounting plate respectively; wherein the position of the cover body is fixed by the screws, and the motor is covered and protected by the cover body.
[0008] Preferably, a cross bar is fixedly connected between the two lead screw nuts.
[0009] Preferably, a filter screen is fixedly connected to the inner wall of the cover body.
[0010] Preferably, a first slide rail is installed on the surface of the mounting plate, a first slider is slidably engaged with the surface of the first slide rail, and a surface of the first slider is fixedly connected to the outer wall of the empty box.
[0011] Preferably, a second slide rail is installed on the surface of the empty box, a third slider is slidably engaged on the outer wall of the second slide rail, the outer wall of the tool holder is installed on the surface of the third slider, and a bolt is threadedly connected to the inner wall of the tool holder.
[0012] The utility model has the following beneficial effects: the tool holder change conversion device for a CNC lathe realizes the setting of multiple tool holders through the cooperation between the motor, the lead screw, the lead screw nut, the cross bar, the second slider, the slide groove and the cross plate, and does not require the staff to replace the tool. It solves the problem that when the existing CNC lathe processes some complex parts, the number of fixed tools on a tool holder is fixed, and the staff needs to stop the machine to replace the tool, thereby reducing the use effect of the existing CNC lathe tool holder.
[0013] The motor is protected by the coordination between the base plate, support column, cover, filter and screws, solving the problem that the motor is always exposed to the outside and is susceptible to external collisions, which may cause damage to the motor. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural diagram of the utility model;
[0015] Figure 2 for Figure 1 Schematic diagram of the appearance;
[0016] Figure 3 for Figure 1 Schematic diagram of the structure of the middle screw, screw nut and cross plate;
[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the motor, cover and support column.
[0018] In the figure: 1. Mounting plate; 11. First slide rail; 12. First slider; 2. Mounting hole; 3. Empty box; 4. Conversion mechanism; 41. Motor; 42. Lead screw; 43. Lead screw nut; 431. Cross bar; 44. Second slider; 45. Slide groove; 46. Cross plate; 461. Second slide rail; 462. Third slider; 47. Protective assembly; 471. Bottom plate; 472. Support column; 473. Cover; 4731. Filter; 474. Screw; 5. Tool holder; 51. Bolt. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] When existing CNC lathes are processing some complex parts, since there is only one tool holder on the CNC lathe to fix the tools, the number of fixed tools on one tool holder is fixed, and the staff needs to stop the machine to replace the tools, which reduces the use effect of the existing CNC lathe tool holder.
[0021] In view of this, the present invention provides a CNC lathe tool holder change conversion device. Through the cooperation between the motor, the lead screw, the lead screw nut, the cross bar, the second slider, the slide groove and the cross plate, it is possible to set up multiple tool holders, without the need for staff to replace the tools. This solves the problem that when the existing CNC lathe processes some complex parts, the number of fixed tools on a tool holder is fixed, and the staff needs to stop the machine to replace the tools, thereby reducing the use effect of the existing CNC lathe tool holder.
[0022] By those skilled in the art, the components in this case are connected in sequence. For the specific connection and operation sequence, reference should be made to the following working principle. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process.
[0023] Example 1, by Figure 1-4It can be seen that a CNC lathe tool holder change conversion device in this case includes a mounting plate 1, the inner wall of the mounting plate 1 is provided with mounting holes 2, the number of the mounting holes 2 is ten, evenly distributed on both sides of the mounting plate 1, the staff fixes the mounting plate 1 to the external CNC lathe through the mounting holes 2, an empty box 3 is provided above the mounting plate 1, a tool holder 5 is provided above the empty box 3, the staff fixes the tool to the two tool holders 5 in turn, and a conversion mechanism 4 is provided inside the empty box 3, the conversion mechanism 4 includes: a motor 41 model is selected according to actual needs, and it can meet the work, the motor 41 is fixedly connected to the outer wall of the empty box 3, the screw 42 is fixedly connected to the output shaft of the motor 41, the motor 41 drives the screw 42 to rotate, and is rotatably connected to the inner wall of the empty box 3 through a bearing, the screw nut 43 is threadedly connected to the outer wall of the screw 42, the screw The second slider 44 is fixedly connected to the surface of the screw nut 43, and the screw nut 43 drives the second slider 44 to move, and slides and engages with the inner wall of the slide groove 45, and the second slider 44 slides in the slide groove 45 to limit the screw nut 43. The cross plate 46 is fixedly connected to the outer wall of the screw nut 43, and the screw nut 43 drives the cross plate 46 to move, and the cross plate 46 drives the tool holder 5 to move, and moves the tool to be used to the position of the part. The protective component 47 is arranged on the outside of the empty box 3. The screw 42 is driven by the motor 41, so that the screw nut 43 drives the cross plate 46 to move, thereby driving the two sets of tool holders 5 to move, and the tool holder 5 is changed and converted. The motor 41 is protected by the protective component 47.
[0024] During the specific implementation process, it is worth noting that the model of the motor 41 is selected according to actual needs and can meet the work. The number of mounting holes 2 is ten, which are evenly distributed on both sides of the mounting plate 1. The staff fixes the mounting plate 1 to the external CNC lathe through the mounting holes 2. The staff fixes the tools to the two tool holders 5 in turn, connects the motor 41 to the external power supply, and the motor 41 drives the screw 42 to rotate, the screw 42 drives the screw nut 43 to move, and the screw nut 43 drives the second slider 44 to move. The second slider 44 slides in the slide groove 45 to limit the screw nut 43, and the screw nut 43 drives the cross plate 46 to move, and the cross plate 46 drives the tool holder 5 to move, and the tool to be used is moved to the position of the part. After completion, the motor 41 is stopped to realize the change and conversion of the tool holder 5 on the CNC lathe;
[0025] Furthermore, the protective assembly 47 includes: a bottom plate 471, which is attached to the surface of the mounting plate 1, a support column 472, which is fixedly connected to the surface of the bottom plate 471, and the staff places the bottom plate 471 on the mounting plate 1, so that the cover 473 covers the motor 41 and fits with the outer wall of the empty box 3, the cover 473 is fixedly connected to the end of the support column 472, the support column 472 supports the cover 473 and fits with the outer wall of the empty box 3, screws 474, which are respectively threadedly connected to the inner wall of the bottom plate 471 and the inner wall of the mounting plate 1, and the staff rotates the screws 474 to fix the position of the cover 473, wherein the position of the cover 473 is fixed by the screws 474, and the motor 41 is covered and protected by the cover 473;
[0026] During the specific implementation process, it is worth noting that the staff placed the bottom plate 471 on the mounting plate 1 so that the cover 473 covered the motor 41 and fit the outer wall of the empty box 3. The support column 472 supported the cover 473. After completion, the staff turned the screw 474 to fix the position of the cover 473 to protect the motor 41.
[0027] Furthermore, a cross bar 431 is fixedly connected between the two screw nuts 43. The two screw nuts 43 drive the cross bar 431 to move. When the cross bar 431 fixes the two screw nuts 43 together, the two screw nuts 43 move simultaneously.
[0028] In the specific implementation process, it is worth noting that the two screw nuts 43 drive the cross bar 431 to move, and when the cross bar 431 fixes the two screw nuts 43 together, the two screw nuts 43 move simultaneously;
[0029] Furthermore, a filter screen 4731 is fixedly connected to the inner wall of the cover 473. There are two filter screens 4731, located at the upper and lower ends of the cover 473. The filter screens 4731 filter dust in the external air and allow air to enter the cover 473, thereby cooling the motor 41.
[0030] During the specific implementation process, it is worth noting that there are two filters 4731, which are located at the upper and lower ends of the cover body 473 respectively. The filter screens 4731 filter dust in the external air and allow air to enter the cover body 473, thereby cooling the motor 41.
[0031] Specifically, the number of mounting holes 2 is ten, which are evenly distributed on both sides of the mounting plate 1. The staff fixes the mounting plate 1 to the external CNC lathe through the mounting holes 2. The staff fixes the tools to the two tool holders 5 in sequence. When the tool on another tool holder 5 needs to be used, the motor 41 is connected to the external power supply, the motor 41 drives the screw 42 to rotate, the screw 42 drives the screw nut 43 to move, and the two screw nuts 43 drive the cross bar 431 to move. When the cross bar 431 fixes the two screw nuts 43 together, the screw nut 43 drives the second slider 44 to move, and the second slider 44 is in the slide groove 45. Slide to limit the screw nut 43, the screw nut 43 drives the cross plate 46 to move, the cross plate 46 drives the tool holder 5 to move, and the tool to be used is moved to the position of the part. The staff places the base plate 471 on the mounting plate 1, so that the cover 473 covers the motor 41 and fits with the outer wall of the empty box 3. The support column 472 supports the cover 473. After completion, the staff turns the screw 474 to fix the position of the cover 473 to protect the motor 41. The filter 4731 filters the dust in the external air, allowing air to enter the cover 473 to cool the motor 41.
[0032] Example 2, by Figure 1 and 2 It can be seen that the surface of the mounting plate 1 is installed with a first slide rail 11, which is an electric slide rail. The model of the first slide rail 11 is selected according to actual needs and can meet the work requirements. The surface of the first slide rail 11 is slidably connected with a first slider 12, so that the three first sliders 12 slide on the first slide rail 11. The surface of the first slider 12 is fixedly connected to the outer wall of the empty box 3. The three first sliders 12 drive the empty box 3 to move, thereby driving the two tool holders 5 to move in the forward direction;
[0033] In the specific implementation process, it is worth noting that the first slide rail 11 is an electric slide rail. The model of the first slide rail 11 is selected according to actual needs and can meet the work requirements. The three first slide rails 11 are started at the same time, so that the three first sliders 12 slide on the first slide rails 11. The three first sliders 12 drive the empty box 3 to move, thereby driving the two tool holders 5 to move in the forward direction. After the movement is completed, the three first slide rails 11 are stopped at the same time.
[0034] Furthermore, a second slide rail 461 is installed on the surface of the empty box 3. The second slide rail 461 is an electric slide rail. The model of the second slide rail 461 is selected according to actual needs and can meet the work requirements. The outer wall of the second slide rail 461 is slidably connected with a third slider 462. At the same time, the two second slide rails 461 on one side are started to move the two third sliders 462 on the second slide rails 461. The outer wall of the tool holder 5 is installed on the surface of the third slider 462, thereby driving the tool holder 5 to move in the left and right directions. The inner wall of the tool holder 5 is threadedly connected with a bolt 51.
[0035] During the specific implementation process, it is worth pointing out that the second slide rail 461 is an electric slide rail. The model of the second slide rail 461 is selected according to actual needs and can meet the work requirements. At the same time, the two second slide rails 461 on one side are started to move the two third sliders 462 on the second slide rails 461, thereby driving the tool holder 5 to move in the left and right directions. After the movement is completed, the two second slide rails 461 on one side are stopped at the same time.
[0036] Specifically, the three first slide rails 11 are started at the same time, so that the three first sliders 12 slide on the first slide rails 11, and the three first sliders 12 drive the empty box 3 to move, thereby driving the two tool holders 5 to move in the forward direction. After the movement is completed, the three first slide rails 11 are stopped at the same time, and the two second slide rails 461 on one side are started at the same time, so that the two third sliders 462 move on the second slide rails 461, thereby driving the tool holder 5 to move in the left and right directions. After the movement is completed, the two second slide rails 461 on one side are stopped at the same time.
[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A CNC lathe tool holder change conversion device, comprising a mounting plate (1), characterized in that: The inner wall of the mounting plate (1) is provided with a mounting hole (2), an empty box (3) is provided above the mounting plate (1), a tool holder (5) is provided above the empty box (3), and a conversion mechanism (4) is provided inside the empty box (3), the conversion mechanism (4) comprising: A motor (41) is fixedly connected to the outer wall of the empty box (3); A lead screw (42) is fixedly connected to the output shaft of the motor (41) and is rotatably connected to the inner wall of the empty box (3) via a bearing; a screw nut (43) threadedly connected to the outer wall of the screw (42); A chute (45) is provided on the inner wall of the empty box (3); A second slider (44) is fixedly connected to the surface of the lead screw nut (43) and is slidably engaged with the inner wall of the slide groove (45); A transverse plate (46) fixedly connected to the outer wall of the lead screw nut (43); A protective component (47) is arranged outside the empty box (3); Wherein, the lead screw (42) is driven by the motor (41), so that the lead screw nut (43) drives the transverse plate (46) to move, thereby driving the two sets of the tool holders (5) to move, changing and converting the tool holders (5), and protecting the motor (41) through the protective component (47).
2. The tool holder change and conversion device for a CNC lathe according to claim 1, characterized in that: The protection component (47) includes: A bottom plate (471) is attached to the surface of the mounting plate (1); A support column (472) fixedly connected to the surface of the bottom plate (471); A cover (473) is fixedly connected to the end of the support column (472) and is attached to the outer wall of the empty box (3); Screws (474) are respectively threadedly connected to the inner wall of the base plate (471) and the inner wall of the mounting plate (1); The position of the cover body (473) is fixed by the screws (474), and the motor (41) is covered and protected by the cover body (473).
3. The tool holder change and conversion device for a CNC lathe according to claim 1, characterized in that: A crossbar (431) is fixedly connected between the two lead screw nuts (43).
4. The tool holder change and conversion device for a CNC lathe according to claim 2, characterized in that: The inner wall of the cover body (473) is fixedly connected with a filter screen (4731).
5. The tool holder change and conversion device for a CNC lathe according to claim 1, characterized in that: A first slide rail (11) is installed on the surface of the mounting plate (1), a first slider (12) is slidably engaged on the surface of the first slide rail (11), and a surface of the first slider (12) is fixedly connected to the outer wall of the empty box (3).
6. The tool holder change and conversion device for a CNC lathe according to claim 1, characterized in that: A second slide rail (461) is installed on the surface of the empty box (3), and a third slider (462) is slidably engaged on the outer wall of the second slide rail (461). The outer wall of the tool holder (5) is installed on the surface of the third slider (462), and a bolt (51) is threadedly connected to the inner wall of the tool holder (5).