Main spindle box protection mechanism of numerical control lathe

Abstract

The utility model relates to the technical field of protection mechanisms, in particular to a spindle box protection mechanism of a numerically controlled lathe, which comprises a spindle box shell, a plug-in component, a reset component and an unlocking settlement component, a fixed restraining groove is arranged on one side of the spindle box shell, two fixed restraining blocks are arranged on the inner side of the fixed restraining groove, and a protection restraining plate is arranged on the inner side of the fixed restraining groove. Two movable restraining grooves are formed in the inner side of the protective restraining plate, the rotary unlocking piece is rotated to drive the linkage gear connected with the rotary unlocking piece to rotate, the two movable toothed plates drive the movable restraining plate to approach the centers of the movable restraining grooves, and therefore the inserting restraining piece is arranged on the inner side of the movable restraining grooves, and then the rotary unlocking piece is loosened after the protective restraining plate is taken down. According to the device, the protective restraint plate is very convenient to mount and dismount, the efficiency of mounting and dismounting the protective restraint plate by workers is improved, meanwhile, the mounting mode is rapid and stable, and the device is very easy to use.

Description

Technical Field

[0001] The utility model relates to the technical field of protection mechanisms, in particular to a spindle box protection mechanism for a numerically controlled lathe. Background Art

[0002] The spindle box protection mechanism of the CNC lathe is mainly used to protect the internal components of the spindle box, prevent chips, coolant and other debris from entering, and prevent the operator from contacting the rotating spindle or moving parts to ensure safe operation;

[0003] The spindle box protection mechanism of existing CNC machine tools is usually movable to facilitate installation, disassembly, maintenance and replacement of parts, and is usually connected and fixed with bolts;

[0004] However, the protective mechanism needs to be disassembled each time parts are installed, disassembled, repaired or replaced. It is very cumbersome for workers to use tools to install and disassemble bolts, which reduces the workers' work efficiency. Utility Model Content

[0005] The utility model aims to provide a spindle box protection mechanism for a CNC lathe to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A spindle box protection mechanism for a CNC lathe, the spindle box protection mechanism for the CNC lathe comprising:

[0008] A spindle box housing, wherein a fixed constraint groove is provided on one side of the spindle box housing, two fixed constraint blocks are provided inside the fixed constraint groove, a protective constraint plate is provided inside the fixed constraint groove, and two movable constraint grooves are provided inside the protective constraint plate;

[0009] A plug-in assembly, which is arranged inside the movable constraint groove, and includes a movable constraint plate, a plug-in constraint member, a movable tooth plate, and a constraint limit block;

[0010] A reset assembly, which is arranged on one side of the movable restraining plate, and includes a guide sleeve, a guide restraining column, and a reset spring;

[0011] The unlocking assembly is arranged on the inner side of the movable restraining groove, and the unlocking assembly includes a linkage gear, a plug-in unlocking member, a limit unlocking block, and a rotating unlocking member.

[0012] Preferably, a movable restraint plate is provided on the inner side of each movable restraint groove, a plug-in restraint piece is provided on one side of each movable restraint plate, and one end of each plug-in restraint piece is plugged into the inner side of the corresponding fixed restraint block.

[0013] Preferably, two restraining limit grooves are provided on the inner side of the protective restraining plate, a movable tooth plate is provided on one side of each movable restraining plate, and a restraining limit block is provided on each movable tooth plate.

[0014] Preferably, one end of each of the constraint limit blocks is constrained on the inner side of the constraint limit groove, a guide sleeve is provided on one side of each movable constraint plate, and a guide constraint column is provided on the inner side of each movable constraint groove.

[0015] Preferably, each of the guide constraint columns is sleeved on the inner side of the guide sleeve, a return spring is provided on one side of each movable constraint plate, and each return spring is sleeved on the inner side of the corresponding guide sleeve.

[0016] Preferably, a linkage gear is provided on the inner side of the movable constraint groove, a rotation constraint groove is opened on the inner side of the protective constraint plate, the rotation constraint groove is connected with the movable constraint groove, and a limit unlocking block is provided on one side of the rotation constraint groove.

[0017] Preferably, a plug-in unlocking piece is provided on one side of the limit unlocking block, one end of each plug-in unlocking piece is plugged into the inner side of the linkage gear, and a rotating unlocking piece is provided on one side of the limit unlocking block.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] Rotating the unlocking piece drives the linked gear connected to it to rotate, so that the two movable tooth plates drive the movable constraint plate to approach the center of the movable constraint groove, so that the plug-in constraint piece is completed on the inner side of the movable constraint groove, and then the protective constraint plate is removed and the unlocking piece is released to automatically reset it, and then it is reinstalled after the maintenance is completed. The device is very convenient for installing and removing the protective constraint plate, which improves the efficiency of workers in installing and removing the protective constraint plate. At the same time, the installation method is quick and stable, and it is very easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the utility model;

[0022] Figure 3 It is a schematic diagram of a partial cross-sectional structure of the utility model;

[0023] Figure 4 It is a partial structural schematic diagram of the utility model;

[0024] Figure 5 This is a schematic diagram of the unlocking component structure of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the plug-in assembly of the utility model.

[0026] In the figure: spindle box housing 1, protective constraint plate 2, fixed constraint block 3, movable constraint groove 4, movable constraint plate 5, plug-in constraint member 6, guide sleeve 7, guide constraint column 8, return spring 9, movable tooth plate 10, constraint limit groove 11, constraint limit block 12, linkage gear 13, rotation constraint groove 14, plug-in unlocking member 15, limit unlocking block 16, rotation unlocking member 17. DETAILED DESCRIPTION

[0027] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.

[0028] Embodiment 1

[0029] See also Figure 1-Figure 6 , the utility model provides three technical solutions:

[0030] The spindle box protection mechanism of the CNC lathe includes:

[0031] A fixed constraint groove is opened on one side of the spindle box housing 1, and two fixed constraint blocks 3 are arranged on the inner side of the fixed constraint groove. A protective constraint plate 2 is arranged on the inner side of the fixed constraint groove. Two movable constraint grooves 4 are opened on the inner side of the protective constraint plate 2. The plug-in component is arranged on the inner side of the movable constraint groove 4. The plug-in component includes a movable constraint plate 5, a plug-in constraint part 6, a movable tooth plate 10, and a constraint limit block 12. A movable constraint plate 5 is arranged on the inner side of each movable constraint groove 4, and a plug-in constraint part 6 is arranged on one side of each movable constraint plate 5. One end of each plug-in constraint part 6 is plugged into the inner side of the corresponding fixed constraint block 3. Two constraint limit grooves 11 are opened on the inner side of the protective constraint plate 2. A movable tooth plate 10 is arranged on one side of each movable constraint plate 5, and a constraint limit block 12 is arranged on each movable tooth plate 10.

[0032] Embodiment 2

[0033] On the basis of Example 1, the reset assembly is arranged on one side of the movable constraint plate 5, and the reset assembly includes a guide sleeve 7, a guide constraint column 8, and a reset spring 9. One end of each constraint limit block 12 is constrained on the inner side of the constraint limit groove 11. A guide sleeve 7 is provided on one side of each movable constraint plate 5, and a guide constraint column 8 is provided on the inner side of each movable constraint groove 4. Each guide constraint column 8 is sleeved on the inner side of the guide sleeve 7. A reset spring 9 is provided on one side of each movable constraint plate 5, and each reset spring 9 is sleeved on the inner side of the corresponding guide sleeve 7.

[0034] Embodiment 3

[0035] On the basis of the second embodiment, the unlocking component is arranged on the inner side of the movable constraint groove 4, and the unlocking component includes a linkage gear 13, a plug-in unlocking piece 15, a limit unlocking block 16, and a rotating unlocking piece 17. A linkage gear 13 is provided on the inner side of the movable constraint groove 4, and a rotation constraint groove 14 is provided on the inner side of the protective constraint plate 2. The rotation constraint groove 14 is connected to the movable constraint groove 4, and a limit unlocking block 16 is provided on one side of the rotation constraint groove 14. A plug-in unlocking piece 15 is provided on one side of the limit unlocking block 16. One end of each plug-in unlocking piece 15 is plugged into the inner side of the linkage gear 13, and a rotating unlocking piece 17 is provided on one side of the limit unlocking block 16. When it is necessary to disassemble the protective constraint plate 2 to install or overhaul the inner device, the rotating unlocking piece 17 drives the linkage gear 13 connected thereto to rotate, so that the two movable tooth plates 10 drive the movable constraint plate 5 to approach the center of the movable constraint groove 4, so that the plug-in constraint piece 6 is completed and arranged on the inner side of the movable constraint groove 4. Then, the protective constraint plate 2 is removed and the rotating unlocking piece 17 is released to automatically reset it, and it is reinstalled after the overhaul is completed to complete the entire operation.

[0036] 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 spindle box protection mechanism for a CNC lathe, characterized in that: The spindle box protection mechanism of the CNC lathe comprises: A spindle box housing (1), wherein a fixed constraint groove is provided on one side of the spindle box housing (1), two fixed constraint blocks (3) are provided inside the fixed constraint groove, a protective constraint plate (2) is provided inside the fixed constraint groove, and two movable constraint grooves (4) are provided inside the protective constraint plate (2); A plug-in assembly, the plug-in assembly being arranged inside the movable restraining groove (4), the plug-in assembly comprising a movable restraining plate (5), a plug-in restraining member (6), a movable tooth plate (10), and a restraining limit block (12); A reset assembly, the reset assembly being arranged on one side of the movable restraining plate (5), the reset assembly comprising a guide sleeve (7), a guide restraining column (8), and a reset spring (9); An unlocking assembly is arranged inside the movable restraining groove (4), and comprises a linkage gear (13), a plug-in unlocking member (15), a limit unlocking block (16), and a rotating unlocking member (17).

2. The spindle box protection mechanism of a CNC lathe according to claim 1 is characterized in that: A movable restraining plate (5) is provided on the inner side of each movable restraining groove (4), and a plug-in restraining member (6) is provided on one side of each movable restraining plate (5), and one end of each plug-in restraining member (6) is plugged into the inner side of the corresponding fixed restraining block (3).

3. The spindle box protection mechanism of a CNC lathe according to claim 2 is characterized in that: Two restraining limit grooves (11) are provided on the inner side of the protective restraining plate (2); a movable tooth plate (10) is provided on one side of each movable restraining plate (5); and a restraining limit block (12) is provided on each movable tooth plate (10).

4. The spindle box protection mechanism of a CNC lathe according to claim 3 is characterized in that: One end of each of the restraining limit blocks (12) is restrained inside the restraining limit groove (11), one side of each movable restraining plate (5) is provided with a guide sleeve (7), and the inner side of each movable restraining groove (4) is provided with a guide restraining column (8).

5. The spindle box protection mechanism of a CNC lathe according to claim 4 is characterized in that: Each of the guide constraint columns (8) is sleeved on the inner side of the guide sleeve (7), and a return spring (9) is provided on one side of each movable constraint plate (5), and each return spring (9) is sleeved on the inner side of the corresponding guide sleeve (7).

6. The spindle box protection mechanism of a CNC lathe according to claim 5, characterized in that: A linkage gear (13) is provided inside the movable constraint groove (4), a rotation constraint groove (14) is provided inside the protective constraint plate (2), the rotation constraint groove (14) is connected to the movable constraint groove (4), and a limit unlocking block (16) is provided on one side of the rotation constraint groove (14).

7. The spindle box protection mechanism of a CNC lathe according to claim 6, characterized in that: One side of the limit unlocking block (16) is provided with a plug-in unlocking member (15), one end of each plug-in unlocking member (15) is plugged into the inner side of the linkage gear (13), and one side of the limit unlocking block (16) is provided with a rotating unlocking member (17).

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