Fixing screw rod for numerical control machine tool

Abstract

The utility model discloses a fixing screw rod for a numerical control machine tool, and relates to the technical field of screw rods. The device comprises a numerical control machine tool mounting part and an equipment mounting part, a fixing screw rod is inserted in the numerical control machine tool mounting part and the equipment mounting part, first threads are arranged at the two ends of the fixing screw rod, and an arc-shaped positioning groove is formed in the surface of the fixing screw rod. According to the numerical control machine tool mounting structure, the nut is arranged on the first thread at the end of the fixing screw in a threaded sleeving mode, then the equipment mounting part is fixed, the numerical control machine tool mounting part and the equipment mounting part are separated through the limiting and blocking assembly, and the arc-shaped positioning groove and the limiting and blocking assembly are arranged on the fixing screw; and secondary fixing is carried out through the positioning screw and the nut, so that loosening of the fixing screw caused by vibration of the machine tool in a high-speed operation state can be effectively avoided, stable installation and operation of machine tool equipment are ensured, the machining precision and safety are improved, and potential safety hazards caused by loosening of the equipment are prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw technology field, concretely relates to a fixed screw for numerical control machine tool. BACKGROUND

[0002] The fixed screw on the numerical control machine tool is mainly used for fixing and fastening the machine tool parts or other auxiliary equipment, and ensures the stability in the machining process, and such screw usually needs to have higher strength and wear resistance to adapt to the high load and high speed operation in the machine tool work, and the common fixed screw includes the screw for fixing the cross beam, the column, the tool holder and other key structural parts.

[0003] On the numerical control machine tool, the fixed screw is used as a common fixing device, and is mainly used for fastening and installing the machine tool equipment to the machine tool mounting rack, but in the actual application, especially when the machine tool is in the high speed operation state, the vibration force is big, and the vibration force can cause the fixed screw to gradually loosen, thereby affecting the stability of the machine tool equipment, and further affecting the machining precision and safety.

[0004] Therefore, the utility model provides a fixed screw for numerical control machine tool. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of fixed screws for numerical control machine tool, to solve the problems raised in the above background technology.

[0006] The utility model discloses a kind of fixed screws for numerical control machine tool, to solve the problems raised in the above background technology.

[0007] A kind of fixed screw for numerical control machine tool, including numerical control machine tool installation part and equipment installation part, the numerical control machine tool installation part and equipment installation part are inserted with fixed screw, the first thread is set in the both ends of the fixed screw, the surface of the fixed screw is set with arc positioning slot, and the surface of arc positioning slot is set with second thread, the surface of the fixed screw and located in arc positioning slot is equipped with limit blocking component, positioning screw is inserted with thread between arc positioning slot and limit blocking component, the fixed screw and located at the first thread is threadedly equipped with nut, to be used for equipment installation part and fixed screw fixed.

[0008] Further, the limit blocking component includes a blocking ring that is fitted over the surface of the fixed screw, a groove is formed in the inner wall of the blocking ring, a protrusion is fixedly installed in the groove of the inner wall of the blocking ring, and a third thread is formed in the surface of the groove.

[0009] Further, the groove in the inner wall of the blocking ring and the arc positioning slot on the surface of the fixed screw are correspondingly arranged, and the protrusion is slidingly arranged in the arc positioning slot.

[0010] Further, the end face of the positioning screw is provided with an internal hexagonal recess, and the second thread on the surface of the arc-shaped positioning groove and the third thread on the surface of the recess are engaged to fix the blocking ring and the fixing screw.

[0011] Further, when installed with the numerical control machine tool mounting portion, the surface of the blocking ring of the fixing screw is in abutting arrangement with the surface of the numerical control machine tool mounting portion.

[0012] Further, when installed with the equipment mounting portion, the other end face of the blocking ring and the end face of the nut are respectively in abutting arrangement with the surface of the equipment mounting portion.

[0013] The beneficial effects of the utility model are as follows:

[0014] Through the threaded insertion between the positioning screw, the fixing screw and the limiting blocking component, the fixing screw and the limiting blocking component are fixed, the pre-fixing between the fixing screw and the numerical control machine tool mounting portion is realized, the equipment mounting portion is fixed through the threaded sleeve of the first thread of the nut and the end part of the fixing screw, the numerical control machine tool mounting portion and the equipment mounting portion are separated through the limiting blocking component, the arc-shaped positioning groove and the limiting blocking component are arranged on the fixing screw, and the secondary fixing is realized through the positioning screw and the nut, the loosening of the fixing screw caused by vibration under the high-speed running state of the machine tool can be effectively avoided, the stable installation and running of the machine tool equipment are ensured, the machining precision and safety are improved, and the safety hidden danger caused by the loosening of the equipment is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the installation state of the utility model;

[0016] Figure 2 It is the schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 3 It is the partial explosion drawing of the utility model;

[0018] Figure 4 It is the schematic diagram of the fixing screw of the utility model;

[0019] Figure 5 It is the schematic diagram of the limiting blocking component of the utility model;

[0020] Figure 6 It is the schematic diagram of the positioning screw of the utility model;

[0021] Reference: 1, numerical control machine tool mounting part; 2, equipment mounting part; 3, fixed screw; 31, first thread; 4, arc-shaped positioning groove; 41, second thread; 5, limiting blocking assembly; 501, blocking ring; 502, groove; 503, protrusion; 504, third thread; 6, positioning screw; 61, internal hexagonal recess; 7, nut. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0024] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the embodiments of the present application, it should be noted that the terms "inner", "outer", "upper", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0026] As Figures 1 to 6As shown, a kind of fixed screw for numerical control machine tool, including numerical control machine tool installation part 1 and equipment installation part 2, numerical control machine tool installation part 1 and equipment installation part 2 are inserted with fixed screw 3, first thread 31 is set at the both ends of fixed screw 3, arc-shaped positioning groove 4 is set on the surface of fixed screw 3, and second thread 41 is set on the surface of arc-shaped positioning groove 4, limiting blocking component 5 is set on the surface of fixed screw 3 and located in arc-shaped positioning groove 4, positioning screw 6 is inserted with thread between arc-shaped positioning groove 4 and limiting blocking component 5, nut 7 is threadedly set on fixed screw 3 and located at first thread 31, for equipment installation part 2 and fixed screw 3 fixed,

[0027] When being installed with numerical control machine tool installation part 1, the surface of fixed screw 3 is set in abutment with the surface of numerical control machine tool installation part 1.

[0028] When being installed on equipment installation part 2, the other end surface of blocking ring 501 and the end surface of nut 7 are respectively set in abutment with the surface of equipment installation part 2.

[0029] More specifically, when being installed between equipment on machine tool and machine tool bed, fixed screw 3 is first inserted into numerical control machine tool installation part 1, then limiting blocking component 5 and fixed screw 3 and arc-shaped positioning groove 4 on the surface of fixed screw 3 are correspondingly inserted, so that the end surface of limiting blocking component 5 and the surface of numerical control machine tool installation part 1 are in abutment, positioning screw 6 is threadedly inserted between fixed screw 3 and limiting blocking component 5, so that fixed screw 3 and limiting blocking component 5 are fixed, equipment installation part 2 is finally sleeved with the end of fixed screw 3, and nut 7 is threadedly sleeved with the first thread 31 of the end of fixed screw 3, so that equipment installation part 2 is fixed, and numerical control machine tool installation part 1 and equipment installation part 2 are separated by limiting blocking component 5.

[0030] Limiting blocking component 5 includes blocking ring 501 sleeved on the surface of fixed screw 3, recess 502 is set on the inner wall of blocking ring 501, protrusion 503 is fixedly installed on the inner wall of blocking ring 501 and located at recess 502, and third thread 504 is set on the surface of recess 502. More specifically, protrusion 503 at recess 502 on the inner wall of blocking ring 501 is correspondingly inserted with arc-shaped positioning groove 4 on the surface of fixed screw 3, so that blocking ring 501 and numerical control machine tool installation part 1 are positioned and inserted, and positioning screw 6 is inserted with recess 502 and arc-shaped positioning groove 4, so that blocking ring 501 and fixed screw 3 are fixed.

[0031] The recess 502 of the inner wall of the blocking ring 501 and the arc-shaped positioning groove 4 of the surface of the fixing screw 3 are correspondingly arranged, and the protrusion 503 is slidably arranged in the arc-shaped positioning groove 4. More specifically, the blocking ring 501 is limited on the surface of the fixing screw 3 by sliding the protrusion 503 in the arc-shaped positioning groove 4.

[0032] The end surface of the positioning screw 6 is provided with an internal hexagonal recess 61, and the positioning screw 6 is engaged with the second screw thread 41 of the surface of the arc-shaped positioning groove 4 and the third screw thread 504 of the surface of the recess 502, so as to fix the blocking ring 501 and the fixing screw 3. More specifically, the internal hexagonal recess 61 of the end surface of the positioning screw 6 enables the positioning screw 6 to be installed and dismounted by a hexagonal wrench.

[0033] In summary, when the equipment on the machine tool and the machine tool bed body are installed, the fixing screw 3 is first inserted into the numerical control machine tool mounting part 1, then the limiting blocking assembly 5 is correspondingly inserted with the fixing screw 3 and the arc-shaped positioning groove 4 of the surface of the fixing screw 3, so that the end surface of the limiting blocking assembly 5 is attached to the surface of the numerical control machine tool mounting part 1, the positioning screw 6 is threadedly inserted between the fixing screw 3 and the limiting blocking assembly 5, so that the fixing screw 3 and the limiting blocking assembly 5 are fixed, the fixing screw 3 and the numerical control machine tool mounting part 1 are pre-fixed, finally the equipment mounting part 2 is sleeved with the end portion of the fixing screw 3, the nut 7 is threadedly sleeved with the first screw thread 31 of the end portion of the fixing screw 3, so that the equipment mounting part 2 is fixed, and the numerical control machine tool mounting part 1 and the equipment mounting part 2 are separated by the limiting blocking assembly 5.

[0034] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A fixed screw for a numerically controlled machine tool, characterized by, The utility model provides a numerical control machine tool mounting part (1) and equipment mounting part (2) are included, numerical control machine tool mounting part (1) and equipment mounting part (2) are inserted with fixed screw rod (3), first thread (31) is set up at the both ends of fixed screw rod (3), arc locating slot (4) is set up on the surface of fixed screw rod (3), and second thread (41) is set up on the surface of arc locating slot (4), the surface of fixed screw rod (3) and be located in arc locating slot (4) sleeve sets up limit blocking component (5), locating screw rod (6) is inserted with the screw thread between arc locating slot (4) and limit blocking component (5), the nut (7) is screwed on the fixed screw rod (3) and is located at first thread (31), to be used for equipment mounting part (2) and fixed screw rod (3) fixed.

2. A fixed screw for a numerically controlled machine tool according to claim 1, characterized in that, The limit blocking component (5) includes a blocking ring (501) that is sleeved on the surface of the fixed screw rod (3), a groove (502) is formed on the inner wall of the blocking ring (501), a protrusion (503) is fixedly installed on the inner wall of the blocking ring (501) and located at the groove (502), and a third thread (504) is formed on the surface of the groove (502).

3. A fixed screw for a numerically controlled machine tool according to claim 2, characterized in that, The groove (502) on the inner wall of the blocking ring (501) and the arc locating slot (4) on the surface of the fixed screw rod (3) are correspondingly arranged, and the protrusion (503) is slidingly arranged in the arc locating slot (4).

4. A fixed screw for a numerically controlled machine tool according to claim 3, characterized in that, An internal hexagonal recess (61) is formed on the end surface of the locating screw rod (6), and the locating screw rod (6) is engaged with the second thread (41) on the surface of the arc locating slot (4) and the third thread (504) on the surface of the groove (502) to fix the blocking ring (501) and the fixed screw rod (3).

5. The fixed screw for a numerically controlled machine tool according to claim 2, wherein When mounted with the numerical control machine tool mounting part (1), the blocking ring (501) on the surface of the fixed screw rod (3) is in abutting arrangement with the surface of the numerical control machine tool mounting part (1).

6. A fixed screw for a numerically controlled machine tool according to claim 5, wherein When the equipment mounting part (2) is mounted, the other end surface of the blocking ring (501) and the end surface of the nut (7) are in abutting arrangement with the surface of the equipment mounting part (2), respectively. When the equipment mounting part (2) is mounted, the other end surface of the blocking ring (501) and the end surface of the nut (7) are in abutting arrangement with the surface of the equipment mounting part (2), respectively.

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