Numerically-controlled machine tool capable of conveniently polishing surface of crankshaft

By designing protective covers and connection mechanisms on CNC machine tools, the problem of debris splashing during crankshaft polishing is solved, effectively collecting and cleaning of debris is achieved, and the difficulty of cleaning is reduced.

CN223114882UActive Publication Date: 2025-07-18JINAN XINFAN CNC EQUIP CO LTD
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Patent Information

Application Number
CN202422220318.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-11
Publication Date
2025-07-18
Estimated Expiration
2034-09-11

AI Technical Summary

Technical Problem

During the crankshaft polishing process, debris produced by the polishing splashed everywhere, increasing the workload of the cleaning staff.

Method used

A CNC machine tool is designed, equipped with a protective cover and a connecting mechanism, including a plug-in assembly and a limit assembly. The protective cover can be temporarily arranged on the top of the machine tool, and uses trapezoidal plates and magnets to absorb debris to prevent debris from splashing.

Benefits of technology

Effectively prevent polishing debris from splashing everywhere, reducing the difficulty of post-cleaning.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223114882U_ABST
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Abstract

The utility model relates to the technical field of crankshaft polishing, and discloses a numerical control machine tool convenient for polishing the surface of a crankshaft, the left side and the right side of the inner wall of a protective cover are provided with mounting mechanisms, and the machine tool and the protective cover are provided with connecting mechanisms; the connecting mechanism comprises an inserting assembly and a limiting assembly, the inserting assembly comprises a connecting block, an inserting plate is fixedly connected to the bottom of the connecting block, fixing bases are fixedly connected to the left side and the right side of the machine tool, a long block is inserted into a long groove, and a clamping block is fixedly connected to the side, close to the machine tool, of a locking plate. According to the numerical control machine tool capable of polishing the surface of the crankshaft conveniently, through a connecting mechanism, an inserting plate is inserted into an inserting groove, a long block is inserted into a long groove, and a clamping block is clamped into a clamping groove, a protective cover can be temporarily arranged at the top of the machine tool, and a first trapezoidal plate is arranged on the inner side of a second trapezoidal plate to make contact with the inner side of the second trapezoidal plate, so that the inserting plate cannot be pulled upwards at will; and when the crankshaft is subjected to polishing treatment, chippings generated by polishing cannot be splashed around, and the cleaning difficulty in the later period is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of crankshaft polishing, in particular to a numerical control machine tool which is convenient for polishing the surface of a crankshaft. Background Technique

[0002] The crankshaft is a core component in an engine. Its main function is to convert the reciprocating linear motion of the piston into rotational motion, and then drive other components of the engine to work. In the processing of the crankshaft, it is necessary to finely polish its surface to ensure the precise dimensions of the crankshaft. Currently, a numerical control machine tool is used for polishing the crankshaft.

[0003] A numerical control machine tool which is convenient for polishing the surface of a crankshaft according to the utility model patent with the publication number CN215659648U includes a machine tool. A lower positioning component for positioning the bottom end of the crankshaft is arranged on the machine tool. A displacement mechanism capable of automatically lifting is arranged on the machine tool. An upper positioning component for positioning the top end of the crankshaft is arranged on the lifting end of the displacement mechanism.

[0004] Regarding the above description, the applicant believes that the following problems exist:

[0005] During the use process, in this device, when polishing the surface of the crankshaft, it is directly exposed to the outside. Debris will be generated during the polishing process, and at the same time, the debris will splash everywhere, greatly increasing the workload of the cleaning personnel when dealing with the debris. Content of the Utility Model

[0006] The purpose of the utility model is to provide a numerical control machine tool which is convenient for polishing the surface of a crankshaft, so as to solve the problems put forward in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solution: A numerical control machine tool which is convenient for polishing the surface of a crankshaft includes a machine tool and a protective cover. A cover plate is hinged to the front of the protective cover. Installation mechanisms are arranged on the left and right sides of the inner wall of the protective cover. A connection mechanism is arranged on the machine tool and the protective cover;

[0008] The connection mechanism includes a plugging component and a limiting component. The limiting component is arranged on the plugging component;

[0009] The plug-in component includes a connecting block, which is fixedly connected to the left and right sides of the protective cover. A plug board is fixedly connected to the bottom of the connecting block. Fixed seats are fixedly connected to the left and right sides of the machine tool. The number of the connecting blocks and the fixed seats is four, and they are grouped in pairs. A slot is opened at the top of the fixed seat, and the top of the slot is open. The surface of the plug board is inserted into the inside of the slot. A long groove is opened in the plug board, and the side of the long groove away from the protective cover is open. A long block is inserted into the long groove. A hinge plate is fixedly connected to the outside of the long block. A locking plate is hinged to the outside of the front and rear hinge plates. A clamping block is fixedly connected to the side of the locking plate close to the machine tool. Card slots are opened on the front and rear sides of the machine tool.

[0010] Preferably, a through groove is opened on the side of the fixed seat away from the machine tool, and the surface of the long block is inserted through the through groove opened on the side of the fixed seat away from the machine tool.

[0011] Preferably, the openings of the card slots on the front and rear sides are correspondingly opened, and the surface of the clamping block is clamped inside the card slot. When the clamping block is clamped in the card slot, the protective cover can be temporarily set on the top of the machine tool.

[0012] Preferably, the limiting component includes a fixed block, which is fixedly connected to the left and right sides of the machine tool. A limiting plate is fixedly connected to the top of the fixed block. A sliding rod is fixedly connected between the front and rear limiting plates. Sliding blocks are slidably connected to the front and rear surfaces of the sliding rod. A first trapezoidal plate is fixedly connected between the upper and lower sliding blocks. A second trapezoidal plate is fixedly connected to the side of the plug board close to the protective cover. Electric push rods are fixedly connected to the inner sides of the front and rear first trapezoidal plates. The second trapezoidal plate is arranged outside the first trapezoidal plate. With the cooperation of the first trapezoidal plate and the second trapezoidal plate, the plug board cannot be pulled up randomly, so that when the crankshaft is polished, the debris generated by polishing will not splash everywhere, reducing the difficulty of later cleaning.

[0013] Preferably, the number of the fixed blocks is four and they are grouped in pairs. Both of the two fixed blocks are arranged outside the two fixed seats.

[0014] Preferably, the installation mechanism includes a placement groove, which is opened on the left and right sides of the inner wall of the protective cover. The openings of the two placement grooves are correspondingly opened. Magnets are arranged inside the placement grooves. T-shaped rotating rods are fixedly connected to the upper ends of the left and right sides of the inner wall of the protective cover. Connecting seats are fixedly connected to the upper ends of the left and right sides of the inner wall of the protective cover. A rectangular groove is opened inside the connecting seat. The top and the outside of the front and rear rectangular grooves are open. A rotating plate is rotatably connected to the surface of the T-shaped rotating rod. The surface of the rotating plate is inserted into the inside of the rectangular groove. Bolts are threadedly connected to both the rotating plate and the inside of the connecting seat.

[0015] Preferably, the number of the connecting seats and the T-shaped rotating rods is four, and they are grouped in pairs. The T-shaped rotating rods are arranged on the top of the placement groove, and the connecting seats are arranged on the bottom of the placement groove.

[0016] Compared with the prior art, the utility model provides a numerical control machine tool which is convenient for polishing the surface of a crankshaft, and has the following beneficial effects:

[0017] 1. For the numerical control machine tool which is convenient for polishing the surface of a crankshaft, after the connecting block drives the plug board to be inserted into the slot through the connecting mechanism, the long block is inserted into the long slot, and the locking plate drives the clamping block to be clamped in the clamping slot, the protective cover can be temporarily arranged on the top of the machine tool. The electric push rod drives the first trapezoidal plate to be in contact with the inner side of the second trapezoidal plate. By the cooperation of the first trapezoidal plate and the second trapezoidal plate, the plug board cannot be pulled upward randomly, so that when the crankshaft is polished, the chips generated by polishing will not splash everywhere, reducing the difficulty of later cleaning.

[0018] 2. For the numerical control machine tool which is convenient for polishing the surface of a crankshaft, after the bolt is removed through the installation mechanism, the rotating plate is rotated on the surface of the T-shaped rotating rod, so that the rotating plate is moved out of the rectangular groove. At this time, the magnet can be taken out of the placement groove, which is convenient for processing the chips adsorbed on the magnet. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts:

[0020] Figure 1 It is a three-dimensional view of the overall structure of the present utility model;

[0021] Figure 2 It is a schematic structural diagram of the plugging component;

[0022] Figure 3 For Figure 2 The enlarged structural diagram at A in

[0023] Figure 4 It is a schematic structural diagram of the limiting component;

[0024] Figure 5 For Figure 4 The structural diagram of the intercepted part in

[0025] Figure 6 It is a schematic structural diagram of the installation mechanism;

[0026] Figure 7 For Figure 6Structural schematic diagram of the intercepted part.

[0027] In the figure: 1, machine tool; 2, mounting mechanism; 21, rectangular groove; 22, connecting seat; 23, bolt; 24, rotating plate; 25, T-shaped rotating rod; 26, placement groove; 27, magnet; 3, protective cover; 4, cover plate; 5, connecting mechanism; 51, plug-in assembly; 511, connecting block; 512, plug board; 513, fixed seat; 514, long groove; 515, long block; 516, hinged plate; 517, locking plate; 518, clamping block; 519, clamping groove; 5101, slot; 52, limiting assembly; 521, fixed block; 522, limiting plate; 523, first trapezoidal plate; 524, slider; 525, electric push rod; 526, sliding rod; 527, second trapezoidal plate. Specific implementation mode

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] In the present invention, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The present invention provides the following technical solutions:

[0031] Embodiment 1

[0032] Combined with Figures 1 to 5 , a numerical control machine tool convenient for polishing the surface of a crankshaft, including a machine tool 1 and a protective cover 3. A cover plate 4 is hinged to the front of the protective cover 3. Mounting mechanisms 2 are arranged on both the left and right sides of the inner wall of the protective cover 3. A connecting mechanism 5 is arranged on the machine tool 1 and the protective cover 3;

[0033] The connecting mechanism 5 includes a plug-in assembly 51 and a limiting assembly 52, and the limiting assembly 52 is arranged on the plug-in assembly 51;

[0034] The plug-in component 51 includes a connection block 511. The connection block 511 is fixedly connected to the left and right sides of the protective cover 3. A plug board 512 is fixedly connected to the bottom of the connection block 511. Fixed seats 513 are fixedly connected to the left and right sides of the machine tool 1. The number of connection blocks 511 and fixed seats 513 is four each and they are grouped in pairs. A slot 5101 is opened at the top of the fixed seat 513. The top of the slot 5101 is open. The surface of the plug board 512 is inserted into the inside of the slot 5101. A long slot 514 is opened inside the plug board 512. The side of the long slot 514 away from the protective cover 3 is open. A long block 515 is inserted into the long slot 514. A hinge plate 516 is fixedly connected to the outside of the long block 515. A locking plate 517 is hinge-connected to the outside of the front and rear hinge plates 516. A clamping block 518 is fixedly connected to the side of the locking plate 517 close to the machine tool 1. Slots 519 are opened on the front and rear sides of the machine tool 1;

[0035] A through slot is opened on the side of the fixed seat 513 away from the machine tool 1. The surface of the long block 515 is inserted through the through slot opened on the side of the fixed seat 513 away from the machine tool 1. The openings of the front and rear slots 519 are correspondingly opened. The surface of the clamping block 518 is clamped inside the slot 519;

[0036] The limiting component 52 includes a fixed block 521. The fixed block 521 is fixedly connected to the left and right sides of the machine tool 1. A limiting plate 522 is fixedly connected to the top of the fixed block 521. A slide bar 526 is fixedly connected between the front and rear limiting plates 522. Sliding blocks 524 are slidably connected to the front and rear surfaces of the slide bar 526. A first trapezoidal plate 523 is fixedly connected between the upper and lower sliding blocks 524. A second trapezoidal plate 527 is fixedly connected to the side of the plug board 512 close to the protective cover 3. Electric push rods 525 are fixedly connected to the inner sides of the front and rear first trapezoidal plates 523. The second trapezoidal plate 527 is arranged outside the first trapezoidal plate 523. The number of fixed blocks 521 is four and they are grouped in pairs. Both of the two fixed blocks 521 are arranged outside the two fixed seats 513.

[0037] Furthermore, after the connection block 511 drives the plug board 512 to be inserted into the slot 5101, the long block 515 is inserted into the long slot 514, and the locking plate 517 drives the clamping block 518 to be clamped in the slot 519, the protective cover 3 can be temporarily set on the top of the machine tool 1. The electric push rod 525 drives the first trapezoidal plate 523 to be in contact with the inside of the second trapezoidal plate 527. With the cooperation of the first trapezoidal plate 523 and the second trapezoidal plate 527, the plug board 512 cannot be randomly pulled upwards, so that when the crankshaft is polished, the debris generated by polishing will not splash everywhere, reducing the difficulty of later cleaning.

[0038] Embodiment 2

[0039] Refer to Figures 1 - 7, and on the basis of the first embodiment, it is further obtained that the installation mechanism 2 includes a placement groove 26, the placement groove 26 is opened on the left and right sides of the inner wall of the protective cover 3, the openings of the two placement grooves 26 are correspondingly opened, a magnet 27 is arranged inside the placement groove 26, T-shaped rotating rods 25 are fixedly connected to the upper ends of the left and right sides of the inner wall of the protective cover 3, connection seats 22 are fixedly connected to the upper ends of the left and right sides of the inner wall of the protective cover 3, a rectangular groove 21 is opened inside the connection seat 22, the tops and the outsides of the front and rear rectangular grooves 21 are both open, a rotating plate 24 is rotatably connected to the surface of the T-shaped rotating rod 25, the surface of the rotating plate 24 is inserted into the inside of the rectangular groove 21, bolts 23 are threadedly connected to both the surface of the rotating plate 24 and the inside of the connection seat 22, the number of the connection seats 22 and the T-shaped rotating rods 25 is four and they are grouped in pairs, the T-shaped rotating rods 25 are arranged at the top of the placement groove 26, and the connection seats 22 are arranged at the bottom of the placement groove 26.

[0040] Further, after the bolt 23 is removed, the rotating plate 24 is rotated on the surface of the T-shaped rotating rod 25, so that the rotating plate 24 is removed from the rectangular groove 21. At this time, the magnet 27 can be taken out of the placement groove 26, which is convenient for processing the debris adsorbed on the magnet 27.

[0041] During the actual operation process, when this device is used and the surface of the crankshaft needs to be polished, since debris will be generated during the polishing process, at this time, after the protective cover 3 drives the connecting block 511 and the connecting block 511 drives the plug board 512 to be inserted into the slot 5101, the long block 515 is inserted into the long slot 514 again, and the locking plate 517 is rotated on one side of the hinge plate 516 until the locking plate 517 drives the clamping block 518 to be clamped in the clamping groove 519, then the protective cover 3 can be temporarily set on the top of the machine tool 1;

[0042] When the electric push rod 525 operates to drive the first trapezoidal plate 523 to move, the slider 524 can also be driven to slide on the surface of the sliding rod 526 when the first trapezoidal plate 523 moves until the first trapezoidal plate 523 is in contact with the inside of the second trapezoidal plate 527. With the cooperation of the first trapezoidal plate 523 and the second trapezoidal plate 527, the plug board 512 cannot be pulled up randomly, so that during the polishing process of the crankshaft, the debris generated by polishing will not splash everywhere, reducing the difficulty of later cleaning;

[0043] With the cooperation of the magnet 27, the debris generated by polishing can be adsorbed. After the bolt 23 is removed, the rotating plate 24 is rotated on the surface of the T-shaped rotating rod 25, so that the rotating plate 24 is removed from the rectangular groove 21. At this time, the magnet 27 can be taken out of the placement groove 26, which is convenient for processing the debris adsorbed on the magnet 27.

[0044] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

Claims

1. A numerical control machine tool convenient for polishing the surface of a crankshaft, comprising a machine tool (1) and a protective cover (3), characterized in that: The front of the protective cover (3) is hinged with a cover plate (4). Installation mechanisms (2) are arranged on both the left and right sides of the inner wall of the protective cover (3). A connection mechanism (5) is arranged on the machine tool (1) and the protective cover (3). The connection mechanism (5) includes a plug-in component (51) and a limiting component (52). The limiting component (52) is arranged on the plug-in component (51). The plug-in component (51) includes a connection block (511). The connection block (511) is fixedly connected to both the left and right sides of the protective cover (3). A plug board (512) is fixedly connected to the bottom of the connection block (511). Fixed seats (513) are fixedly connected to both the left and right sides of the machine tool (1). The number of both the connection blocks (511) and the fixed seats (513) is four, and they are grouped in pairs. A slot (5101) is opened at the top of the fixed seat (513). The top of the slot (5101) is an opening. The surface of the plug board (512) is inserted into the inside of the slot (5101). A long groove (514) is opened inside the plug board (512). The side of the long groove (514) away from the protective cover (3) is an opening. A long block (515) is inserted into the long groove (514). A hinge plate (516) is fixedly connected to the outside of the long block (515). A locking plate (517) is hinged to the outside of the front and rear hinge plates (516). A clamping block (518) is fixedly connected to the side of the locking plate (517) close to the machine tool (1). Slots (519) are opened on both the front and rear sides of the machine tool (1).

2. The numerical control machine tool for facilitating the polishing of the crankshaft surface according to claim 1, wherein: A through groove is opened on the side of the fixed seat (513) away from the machine tool (1). The surface of the long block (515) is inserted through the through groove opened on the side of the fixed seat (513) away from the machine tool (1).

3. A numerical control machine tool for facilitating the polishing of the surface of a crankshaft according to claim 1, characterized in that: The openings of the front and rear slots (519) are correspondingly opened. The surface of the clamping block (518) is clamped inside the slot (519).

4. A numerical control machine tool for facilitating the polishing of the surface of a crankshaft according to claim 1, characterized in that: The limiting component (52) includes a fixed block (521). The fixed block (521) is fixedly connected to both the left and right sides of the machine tool (1). A limiting plate (522) is fixedly connected to the top of the fixed block (521). A sliding rod (526) is fixedly connected between the front and rear limiting plates (522). Sliding blocks (524) are slidably connected to both the front and rear surfaces of the sliding rod (526). A first trapezoidal plate (523) is fixedly connected between the upper and lower sliding blocks (524). A second trapezoidal plate (527) is fixedly connected to the side of the plug board (512) close to the protective cover (3). Electric push rods (525) are fixedly connected to the inner sides of both the front and rear first trapezoidal plates (523). The second trapezoidal plate (527) is arranged outside the first trapezoidal plate (523).

5. A numerical control machine tool for facilitating the polishing of the surface of a crankshaft according to claim 4, characterized in that: The number of the fixed blocks (521) is four and they are grouped in pairs. Both of the two fixed blocks (521) are arranged outside the two fixed seats (513).

6. The numerically controlled machine tool for facilitating the polishing of the surface of a crankshaft according to claim 1, wherein: The installation mechanism (2) includes a placement groove (26) which is opened on the left and right sides of the inner wall of the protective cover (3). The openings of the two placement grooves (26) are correspondingly opened. A magnet (27) is arranged inside the placement groove (26). T-shaped rotating rods (25) are fixedly connected to the upper ends of the left and right sides of the inner wall of the protective cover (3). Connection seats (22) are fixedly connected to the upper ends of the left and right sides of the inner wall of the protective cover (3). A rectangular groove (21) is opened inside the connection seat (22). The top and the outside of the rectangular groove (21) on the front and back sides are both opened. A rotating plate (24) is rotatably connected to the surface of the T-shaped rotating rod (25). The surface of the rotating plate (24) is inserted into the rectangular groove (21). Bolts (23) are threadedly connected to both the rotating plate (24) and the connection seat (22).

7. A numerical control machine tool for facilitating the polishing of the surface of a crankshaft, characterized in that: The number of both the connection seats (22) and the T-shaped rotating rods (25) is four, and they are grouped in pairs. The T-shaped rotating rods (25) are arranged on the top of the placement groove (26), and the connection seats (22) are arranged at the bottom of the placement groove (26).