A machine tool processing head assembly and machine tool

Abstract

The present invention provides a machine tool processing head assembly, including a saddle, a ram, a spindle box and a protective cover, wherein the spindle box is connected to the ram, and the spindle box is slidably connected to the saddle through the ram; the protective cover is sleeved on the outer periphery of the spindle box, and the protective cover can be slidably arranged on the saddle; the spindle box is provided with a first pusher and a second pusher at intervals in the axial direction, the spindle box is transmission-connected to one side of the protective cover through the first pusher, and the spindle box is transmission-connected to the other side of the protective cover through the second pusher, and the first pusher and the second pusher are used to push the protective cover to slide within a preset range relative to the saddle. The present invention also provides a machine tool. The machine tool processing head assembly provided according to the technical solution of the present invention can improve the safety and protection effect of the protective cover.

Description

Technical Field

[0001] The present invention relates to the technical field of processing equipment, and in particular to a machine tool processing head assembly and a machine tool. Background Art

[0002] In the horizontal machining center, the spindle box adopts a telescopic ram structure with advantages such as flexible movement and light weight. During the cutting process, in order to prevent the spindle box from being contaminated by chips, cutting materials and other splashes, a protective device is usually required for protection.

[0003] The existing telescopic ram structure usually adopts an accordion structure to provide protection for the extended ram and the main shaft as much as possible.

[0004] However, this telescopic structure easily causes splashing cutting fluid and chips to adhere to the fold line of the accordion, posing a risk of damaging the shield and leaking, such as the patent announcement number CN218800914U.

[0005] Therefore, how to ensure the safety of the shield is an urgent problem to be solved. Summary of the invention

[0006] The invention provides a machine tool processing head assembly and a machine tool, which can improve the safety and protection effect of a protective cover.

[0007] The present invention provides a machine tool processing head assembly, comprising a saddle, a ram, a spindle box and a protective cover, wherein the spindle box is connected to the ram, and the spindle box is slidably connected to the saddle through the ram;

[0008] The protective cover is sleeved on the outer periphery of the spindle box, and the protective cover can be slidably arranged on the slide saddle;

[0009] The spindle box is provided with a first pusher and a second pusher at intervals in the axial direction. The spindle box is transmission-connected to one side of the protective cover through the first pusher, and the spindle box is transmission-connected to the other side of the protective cover through the second pusher. The first pusher and the second pusher are used to push the protective cover to slide within a preset range relative to the saddle.

[0010] In some feasible embodiments, the interval between the first pushing member and the second pushing member along the sliding direction of the main spindle box is not less than the telescopic length of the protective cover along the sliding direction of the main spindle box.

[0011] In some feasible embodiments, the first pusher is detachably connected to the spindle box, and one end of the spindle box is provided with a plurality of first mounting positions for installing the first pusher, and the second pusher is detachably connected to the spindle box, and the other end of the spindle box is provided with a plurality of second mounting positions for installing the second pusher.

[0012] In some feasible embodiments, the first pushing member is telescopically mounted on the spindle box via a first elastic member, and the second pushing member is telescopically mounted on the spindle box via a second elastic member.

[0013] In some feasible embodiments, a slide rail is provided on the slide saddle, and the protective cover is slidably connected to the slide rail via a connecting arm and a slider, one end of the connecting arm is fixedly connected to the protective cover, and the other end of the connecting arm is fixedly connected to the slider that slidably cooperates with the slide rail.

[0014] In some feasible embodiments, the machine tool processing head assembly also includes a first limit block and a second limit block, the first limit block and the second limit block are respectively arranged at the front end and the rear end of the slide rail, and the slider slides between the first limit block and the second limit block relative to the slide rail.

[0015] In some feasible embodiments, the machine tool processing head assembly also includes a limit groove and a limit member that can slide relative to the limit member, the limit groove is arranged on the protective cover, the limit member is arranged on the saddle, the protective cover can be slidably arranged on the saddle through the limit groove and the limit member, and the limit member is limitedly matched with both ends of the limit groove.

[0016] In some feasible embodiments, the limit member includes a first support rod, a second support rod and a limit member body, the limit member body is installed on the saddle through the first support rod and the second support rod, the extension directions of the first support rod and the second support rod form an angle, and the limit member body is limitedly matched with the limit groove.

[0017] In some feasible embodiments, the limiting member body includes a connecting portion and a limiting portion, the limiting portion is sleeved on the connecting portion, the first support rod and the second support rod are both fixedly connected to the connecting portion, and the limiting portion and the limiting groove are slidably limited and matched; and / or

[0018] A scraper is provided between the protective cover and the spindle box.

[0019] The present invention also provides a machine tool, comprising the above-mentioned machine tool processing head assembly.

[0020] In the above-mentioned machine tool processing head assembly, when the spindle box begins to extend outward from the retracted state, the spindle box will not drive the protective cover to move first. When the spindle box is extended to a certain length, the spindle box drives the protective cover to move along with the spindle box through the first pusher or the second pusher, so that the middle section of the spindle box can be protected by the protective cover, and the length of the traditional slide protection setting is reduced, which is also conducive to shortening the length of the slide and supporting the slide to extend to a position with a longer stroke; at the same time, during the retraction of the spindle box, the protective cover is driven to retract along with the spindle box through the first pusher or the second pusher, which will not cause adverse effects on protection and will not take up too much space. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without creative work.

[0022] Figure 1 Schematic diagram of a machine tool processing head assembly provided for some embodiments of the present invention.

[0023] Figure 2 Schematic diagrams of machine tool processing head assemblies provided for other embodiments of the present invention.

[0024] Figure 3 Schematic diagrams of machine tool processing head assemblies provided for further embodiments of the present invention.

[0025] Figure 4 Schematic diagrams of the state of a machine tool processing head assembly fully extended according to some other embodiments of the present invention.

[0026] Figure 5 Schematic diagram of the state of a machine tool processing head assembly fully retracted provided in some other embodiments of the present invention.

[0027] Component Symbols

[0028] 100, saddle; 101, slide rail; 102, first limit block; 103, second limit block; 200, slide ram; 300, spindle box; 301, first push member; 302, second push member; 303, first installation position; 304, second installation position; 400, protective cover; 401, connecting arm; 402, slider; 500, limit member; 510, first support rod; 520, limit member body; 530, second support rod; 600, limit fitting member; 601, limit groove.

[0029] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0030] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In order to make the content of the present invention more clearly and more accurately understood, it will now be described in detail with reference to the accompanying drawings. The accompanying drawings in the specification illustrate examples of embodiments of the present invention, wherein the same reference numerals represent the same elements. It is understood that the scales shown in the accompanying drawings in the specification are not the scales of the actual implementation of the present invention, and are only for the purpose of illustrative description, and are not drawn according to the original size.

[0034] Please see Figure 1 and 2 A first aspect of the present invention provides a machine tool processing head assembly, including a saddle 100, a ram 200, a spindle box 300 and a protective cover 400.

[0035] The spindle box 300 is connected to the ram 200 , and the spindle box 300 can be slidably disposed on the saddle 100 through the ram 200 .

[0036] The protective cover 400 is sleeved on the outer periphery of the spindle box 300, and the protective cover 400 is slidably disposed on the slide saddle 100;

[0037] Please see Figure 3 The first pusher 301 and the second pusher 302 are respectively provided at the two axial ends of the spindle box 300. The spindle box 300 is connected to one side of the protective cover 400 through the first pusher 301, and the spindle box 300 is connected to the other side of the protective cover 400 through the second pusher 302. The first pusher 301 and the second pusher 302 are used to push the protective cover 400 to slide within a preset range relative to the saddle 100.

[0038] In order to enable the main spindle box to drive the protective cover 400 to move together in the middle and rear sections of the moving stroke, save the length of the protective cover 400, and enable the protective cover 400 to provide good protection for the main spindle box, the interval between the first pusher 301 and the second pusher 302 along the sliding direction of the main spindle box 300 is not less than the telescopic length of the protective cover 400 along the sliding direction of the main spindle box 300.

[0039] In order to facilitate the adjustment of the position of the first pusher 301 installed to the spindle box 300, the first pusher 301 is detachably connected to the spindle box 300, and one end of the spindle box 300 is provided with a plurality of first mounting positions 303 for mounting the first pusher 301. In order to facilitate the adjustment of the position of the second pusher 302 installed to the spindle box 300, the second pusher 302 is detachably connected to the spindle box 300, and the other end of the spindle box 300 is provided with a plurality of second mounting positions 304 for mounting the second pusher 302.

[0040] In order to enable the spindle box 300 to release the lock between it and the protective cover 400, the first pusher 301 is telescopically installed on the spindle box 300 through a first elastic member, and the second pusher 302 is telescopically installed on the spindle box 300 through a second elastic member.

[0041] Please see Figure 3 In order to facilitate the sliding connection between the protective cover 400 and the slide saddle 100, a slide rail 101 is provided on the slide saddle 100. The protective cover 400 is slidably connected to the slide rail 101 through a connecting arm 401 and a slider 402. The connecting arm 401 extends along the axial direction of the spindle box 300. One end of the connecting arm 401 is connected to the side of the protective cover 400 close to the slide saddle 100, and the other end of the connecting arm 401 extends to the rear end of the protective cover 400 close to the slide saddle 100.

[0042] In order to limit the sliding stroke of the spindle box 300 relative to the saddle 100, the machine tool processing head assembly also includes a first limit block 102 and a second limit block 103, and the first limit block 102 and the second limit block 103 are respectively arranged at the front end and the rear end of the slide rail 101, and the slider 402 slides between the first limit block 102 and the second limit block 103 relative to the slide rail 101. In some feasible embodiments, the machine tool processing head assembly also includes a limit member 500 and a limit fitting member 600 that is limitedly fitted with the limit member 500, the limit fitting member 600 is provided with a limit groove 601, the protective cover 400 can be slidably arranged on the slide saddle 100 through the limit groove 601 and the limit member 500, and the limit member 500 is limitedly fitted with both ends of the limit groove 601; the limit groove 601 is arranged on the protective cover 400, the limit fitting member 600 is arranged on the side of the protective cover 400, the limit groove 601 is arranged on the limit fitting member 600, the extension direction of the limit groove 601 is along the telescopic direction of the spindle box 300, and the limit member 500 is arranged on the slide saddle 100.

[0043] Please see Figure 4 and 5 Specifically, the position-limiting member 500 includes a first support rod 510 and a position-limiting member body 520. The position-limiting member body 520 is mounted on the saddle 100 through the first support rod 510, and the position-limiting member body 520 is limitedly matched with the position-limiting groove 601. In some other embodiments, the position-limiting member 500 further includes a second support rod 530.

[0044] In some embodiments, the stopper 500 includes a first support rod 510, a second support rod 530 and a stopper body 520. The stopper body 520 is installed on the slide saddle through the first support rod 510 and the second support rod 530. The extension directions of the first support rod 510 and the second support rod 530 form an angle, and the stopper body 520 is limitedly matched with the stopper groove 601. The respective extension directions of the first support rod 510 and the second support rod 530 form an angle, so the first support rod 510, the second support rod 530 and the slide saddle 100 form a triangular mechanism, making its installation more stable.

[0045] In order to facilitate the sliding of the limit member 500 relative to the limit groove 601, the limit member body 520 includes a connecting portion and a limit portion slidably connected to the connecting portion, the limit portion is sleeved on the connecting portion, the first support rod and the second support rod are both fixedly connected to the connecting portion, and the limit portion and the limit groove 601 can be slidably limited.

[0046] In order to prevent chips from entering the ram from between the protective cover 400 and the spindle box 300 and keep the inside of the ram clean, a scraper is provided between the protective cover 400 and the spindle box 300. The inner peripheral wall of the protective cover is provided with a scraper protruding toward the spindle box. The inner peripheral wall of the protective cover is provided with a first scraper and a second scraper protruding toward the spindle box, and the first scraper and the second scraper are arranged at intervals; with the extension direction of the spindle as the front, the first scraper and the second scraper are both extended from the inner peripheral wall of the protective cover 400 and relatively backward to the outer peripheral wall of the spindle box 300 and relatively forward.

[0047] In the machine tool processing head assembly in some embodiments of the first aspect of the present invention, when the spindle box switches from a retracted state to an outward extension, the spindle box will not drive the protective cover to move first. When the spindle box is extended to a certain length, the spindle box drives the protective cover to move with the spindle box through the first pusher or the second pusher, so that the middle section of the spindle box can be protected by the protective cover, and the length of the traditional slide protection setting is reduced, which is also conducive to shortening the length of the slide and supporting the slide to extend to a position with a longer stroke. In addition, during the retraction of the spindle box, the protective cover is driven to retract with the spindle box by the first pusher or the second pusher, which will not have an adverse effect on the protection and will not take up too much space.

[0048] The second aspect of the present invention further provides a machine tool, comprising the above-mentioned machine tool machining head assembly.

[0049] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

[0050] The above examples are only preferred embodiments of the present invention, and certainly cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims

1. A machine tool processing head assembly, characterized in that: It comprises a saddle (100), a ram (200), a spindle box (300) and a protective cover (400), wherein the spindle box (300) is connected to the ram (200), and the spindle box (300) is slidably connected to the saddle (100) via the ram (200); The protective cover (400) is sleeved on the outer periphery of the spindle box (300), and the protective cover (400) is slidably arranged on the slide saddle (100); The spindle box (300) is provided with a first pusher (301) and a second pusher (302) spaced apart in the axial direction; the spindle box (300) is transmission-connected to one side of the protective cover (400) via the first pusher (301); the spindle box (300) is transmission-connected to the other side of the protective cover (400) via the second pusher (302); the first pusher (301) and the second pusher (302) are used to push the protective cover (400) to slide within a preset range relative to the saddle (100).

2. The machine tool processing head assembly according to claim 1, characterized in that: The interval between the first pushing member (301) and the second pushing member (302) along the sliding direction of the spindle box (300) is not less than the telescopic length of the protective cover (400) along the sliding direction of the spindle box (300).

3. The machine tool processing head assembly according to claim 2, characterized in that: The first pushing member (301) is detachably connected to the spindle box (300), and one end of the spindle box (300) is provided with a plurality of first mounting positions (303) for mounting the first pushing member (301). The second pushing member (302) is detachably connected to the spindle box (300), and the other end of the spindle box (300) is provided with a plurality of second mounting positions (304) for mounting the second pushing member (302).

4. The machine tool processing head assembly according to claim 1, characterized in that: The first pushing member (301) is telescopically mounted on the spindle box (300) via a first elastic member, and the second pushing member (302) is telescopically mounted on the spindle box (300) via a second elastic member.

5. The machine tool processing head assembly according to any one of claims 1 to 4, characterized in that: The slide saddle (100) is provided with a slide rail (101), and the protective cover (400) is slidably connected to the slide rail (101) via a connecting arm (401) and a slider (402), one end of the connecting arm (401) is fixedly connected to the protective cover (400), and the other end of the connecting arm (401) is fixedly connected to the slider (402) that slidably cooperates with the slide rail (101).

6. The machining head assembly of claim 5, wherein: The machine tool processing head assembly further comprises a first limit block (102) and a second limit block (103), wherein the first limit block (102) and the second limit block (103) are respectively arranged at the front end and the rear end of the slide rail (101), and the slide block (402) slides between the first limit block (102) and the second limit block (103) relative to the slide rail (101).

7. The machine tool processing head assembly according to any one of claims 1 to 4, characterized in that: The machine tool processing head assembly also includes a limiting groove (601) and a limiting member (500) that can slide relative to the limiting groove (601), the limiting groove (601) is arranged on the protective cover (400), the limiting member (500) is arranged on the saddle (100), the protective cover (400) is slidably arranged on the saddle (100) through the limiting groove (601) and the limiting member (500), and the limiting member (500) is limitedly matched with both ends of the limiting groove (601).

8. The machining head assembly of claim 7, wherein: The limiting member (500) includes a first support rod (510), a second support rod (530) and a limiting member body (520); the limiting member body (520) is installed on the saddle (100) through the first support rod (510) and the second support rod (530); the extension directions of the first support rod (510) and the second support rod (530) form an angle; the limiting member body (520) is limitedly matched with the limiting groove (601).

9. The machining head assembly of claim 8, wherein: The limiting member body (520) comprises a connecting portion and a limiting portion, the limiting portion is sleeved on the connecting portion, the first support rod (510) and the second support rod (530) are both fixedly connected to the connecting portion, and the limiting portion and the limiting groove (601) are slidably limited in cooperation; and / or A scraper is provided between the protective cover (400) and the spindle box (300).

10. A machine tool, characterized in that: It comprises a machine tool processing head assembly as described in any one of claims 1-9.

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