Feeding device for numerical control machining center

Abstract

The utility model provides a feeding device for a numerical control machining center, and relates to the field of feeding of machining centers, a transverse groove is formed in the bottom end of a guide rail, a servo push rod A which is transversely arranged is fixedly connected into the transverse groove, and a moving block is installed on an output shaft at the left end of the servo push rod A; the problems that most feeding devices used in an existing machining center are of a mechanical arm structure, so that during feeding and discharging, machined workpieces need to be taken down and placed firstly, brand-new workpieces need to be grabbed again to be clamped and used again, but the clamping mode is low in efficiency, and rapid machining is not convenient to conduct are solved. By arranging the two guide frames fixedly connected to the outer side of the connecting frame, the double-rail mechanism can be used as a double-rail mechanism when being used, so that when the numerical control machining center carries out feeding and discharging operation, feeding driving can be carried out through a single servo push rod C, and discharging operation is achieved through the other servo push rod C; by means of the design, synchronous feeding and discharging operation can be achieved.

Description

Technical Field

[0001] The utility model belongs to the field of material feeding of a machining center, in particular to a material feeding device for a numerical control machining center. Background Art

[0002] Currently, CNC machining centers are high-efficiency automated machine tools composed of mechanical equipment and CNC systems suitable for processing complex parts. CNC machining centers are one of the world's most productive and widely used CNC machine tools. They have strong comprehensive processing capabilities. After a workpiece is clamped once, they can complete a large amount of processing content and have high processing precision. For batch workpieces with medium processing difficulty, their efficiency is 5 to 10 times that of ordinary equipment. In particular, they can complete many processing tasks that ordinary equipment cannot complete. They are more suitable for single-piece processing with complex shapes and high precision requirements, or small and medium-sized batch multi-variety production. It concentrates functions such as milling, boring, drilling, tapping, and thread cutting on a single device, giving it a variety of processing procedures and process methods. When using a CNC machining center, in order to facilitate the rapid processing of workpieces, it is necessary to use a corresponding loading device.

[0003] However, the loading devices used in existing machining centers mostly adopt a robotic arm structure, which requires the processed workpiece to be removed and placed first, and a new workpiece to be re-grabbed and re-clamped for use when loading and unloading. However, this clamping method is inefficient and not convenient for rapid processing.

[0004] Therefore, in view of the shortcomings of the above-mentioned scheme in actual production and implementation, it has been revised and improved. At the same time, in the spirit and concept of seeking improvement, and with the assistance of professional knowledge and experience, as well as after many ingenuity and experiments, the present utility model was created. A loading device for a CNC machining center is provided to solve the problem that the loading devices used in existing machining centers mostly adopt a robotic arm structure, so that when loading and unloading, the processed workpiece needs to be removed and placed first, and a new workpiece needs to be re-grabbed and re-clamped for use, but this clamping method is inefficient and not convenient for rapid processing. Utility Model Content

[0005] The utility model proposes a loading device for a CNC machining center, which solves the problem that the loading devices used in existing machining centers mostly adopt a mechanical arm structure, so that when loading and unloading, the processed workpiece needs to be removed and placed first, and a new workpiece needs to be re-grabbed and re-clamped for use, but this clamping method is inefficient and not convenient for rapid processing.

[0006] The technical solution of the present utility model is achieved as follows: a feeding device for a CNC machining center includes: a guide rail, wherein the guide rails are provided at two locations, the two guide rails are arranged in a linear array, and mounting plates are fixedly connected to the front and rear side surfaces of the two guide rails, a through hole is provided inside the mounting plate, the through hole is a mounting hole, a transverse groove is provided at the bottom end of the guide rail, a transversely arranged servo push rod A is fixedly connected inside the transverse groove, a moving block is installed on the left end output shaft of the servo push rod A, a protrusion is provided on the outer side of the moving block, and a connecting frame is fixedly connected to the bottom end surface of the moving block:

[0007] As a preferred embodiment, the connecting frame is an L-shaped structure, and there are four connecting frames in total, wherein every two laterally adjacent connecting frames form a group, and the outer sides of the two groups of connecting frames are fixedly connected to the guide frames.

[0008] As a preferred embodiment, a longitudinal groove is provided inside the guide frame, and a longitudinal groove is provided at the bottom end of the guide frame, and a servo push rod B is fixedly connected inside the longitudinal groove.

[0009] As a preferred embodiment, a guide frame is installed on the front output end of the servo push rod B. The guide frame is arranged longitudinally, and two sliders are fixedly connected to the outer side of each guide frame in opposite directions.

[0010] As a preferred embodiment, the interior of the longitudinal groove provided in the guide frame is fixedly connected to a servo push rod C longitudinally arranged therein, and a seat body is installed at the bottom end of the servo push rod C.

[0011] As a preferred embodiment, the base body is a rectangular frame structure, and a servo motor is installed inside the base body. An output shaft is provided at the bottom end of the servo motor, and the output shaft passes through the base body to the lower side and protrudes from the base body. A clamping frame is installed on the output shaft at the bottom end of the servo motor, and a transverse groove is provided inside the clamping frame. Two servo push rods D are fixedly connected in opposite directions inside the transverse groove. A clamping part is also installed on the inner side of the two servo push rods D. The clamping part and the servo push rod D together constitute a clamping and limiting structure for the workpiece, and a rubber pad is fixedly connected to the inner wall of the clamping part.

[0012] After using the above technical solution, the beneficial effects of the utility model are:

[0013] 1. In the utility model, by providing two guide frames fixedly connected to the outside of the connecting frame, it can be used as a double-track mechanism when in use. When the CNC machining center performs loading and unloading operations, a single servo push rod C can be used for loading drive, and another servo push rod C can be used for unloading operation. This design can realize synchronous loading and unloading operations.

[0014] 2. In the utility model, a servo motor fixedly connected to the base body is provided, so that when it is in use, the clamping frame can be driven to rotate, so that when the servo push rod D in the clamping frame drives the clamping part and completes the clamping limit of the workpiece, the rotation drive of the servo motor can be used to adjust the direction of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0016] Figure 1 This is a schematic diagram of the structure of the feeding device of the present invention from an upward and side view;

[0017] Figure 2 This is a schematic diagram of the combined structure of the guide rail and mounting plate of the loading device of the present invention;

[0018] Figure 3 This is a left-side structural schematic diagram of the feeding device of the present invention;

[0019] Figure 4 This is a schematic diagram of the combined structure of the guide rail and servo push rod A of the loading device of the present invention;

[0020] Figure 5 This is a schematic diagram of the combined structure of the clamping frame and servo motor of the loading device of the present invention;

[0021] Figure 6 This is a bottom view structural diagram of the feeding device of the present invention;

[0022] In the figure, 1. guide rail; 101. mounting plate; 102. mounting hole; 103. servo push rod A; 104. moving block; 105. connecting frame; 2. guide frame; 201. servo push rod B; 202. guide frame; 203. slider; 204. servo push rod C; 3. base; 301. servo motor; 302. clamping frame; 303. servo push rod D; 304. clamping part. DETAILED DESCRIPTION

[0023] 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.

[0024] like Figures 1-6 As shown, a loading device for a CNC machining center includes: a guide rail 1, wherein the guide rails 1 are provided at two locations, the two guide rails 1 are arranged in a linear array, and mounting plates 101 are fixedly connected to the front and rear side surfaces of the two guide rails 1, a through hole is provided inside the mounting plate 101, and the through hole is a mounting hole 102, a transverse groove is provided at the bottom end of the guide rail 1, a transversely arranged servo push rod A103 is fixedly connected inside the transverse groove, a moving block 104 is installed on the left end output shaft of the servo push rod A103, a protrusion is provided on the outer side of the moving block 104, and a connecting frame 105 is fixedly connected to the bottom end surface of the moving block 104.

[0025] Among them, the connecting frame 105 is an L-shaped structure, and there are four connecting frames 105 in total, wherein every two laterally adjacent connecting frames 105 form a group, and the outer sides of the two groups of connecting frames 105 are fixedly connected to the guide frame 2, the interior of the guide frame 2 is provided with a longitudinal groove, and the bottom end of the guide frame 2 is provided with a longitudinal groove, the interior of the longitudinal groove is fixedly connected to the servo push rod B201, the base body 3 is a rectangular frame structure, and the interior of the base body 3 is installed with a servo motor 301, and the bottom end of the servo motor 301 is provided with an output shaft, and the output shaft passes through the base body 3 toward the lower side and protrudes from the base body 3.

[0026] Among them, a guide frame 202 is installed on the front end output end of the servo push rod B201, the guide frame 202 is arranged longitudinally, and two sliders 203 are fixedly connected to the outside of each guide frame 202 in opposite directions, and the inside of the longitudinal groove opened in the guide frame 202 is fixedly connected to the servo push rod C204 arranged longitudinally. The bottom end of the servo push rod C204 is installed with a base body 3, and a clamping frame 302 is installed on the bottom output shaft of the servo motor 301. A transverse groove is opened inside the clamping frame 302, and two servo push rods D303 are fixedly connected to the inside of the transverse groove in opposite directions. A clamping part 304 is also installed on the inner side of the two servo push rods D303. The clamping part 304 and the servo push rod D303 together constitute a clamping and limiting structure for the workpiece, and a rubber pad is fixedly connected to the inner wall of the clamping part 304.

[0027] During use, when the CNC machining center is performing loading operations, the two guide rails 1 are fitted with the top of the inner wall of the outer shell of the CNC machining center using the mounting plates 101 fixedly connected on their outer surfaces, and the guide rails 1 are quickly fixed by passing the bolts through the mounting holes 102 provided in the mounting plates 101. The servo push rod A103 installed in the guide rails 1 is activated to push the moving block 104 to adjust the guide frame 2 to move to the top of the spindle. At this time, the servo push rod C204 installed around the guide frame 202 is activated to push the base 3 downward, so that the clamping part 304 is close to the workpiece.

[0028] At this time, the servo push rod D303 installed in the clamping frame 302 is started to push the clamping part 304 inward, and the clamping part 304 is close to the workpiece and clamped to a limit. At this time, the servo push rod C204 installed in the guide frame 202 is started to lift the base body 3 upward, and the workpiece can be removed by starting the servo push rod B201 installed in the guide frame 2.

[0029] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A feeding device for a CNC machining center, characterized in that: The invention comprises a guide rail (1), wherein the guide rail (1) is provided at two locations, the two guide rails (1) are arranged in a linear array, and mounting plates (101) are fixedly connected to the front and rear side surfaces of the two guide rails (1), a through hole is provided inside the mounting plate (101), and the through hole is a mounting hole (102), a transverse groove is provided at the bottom end of the guide rail (1), a transversely arranged servo push rod A (103) is fixedly connected inside the transverse groove, a moving block (104) is installed on the left end output shaft of the servo push rod A (103), a protrusion is provided on the outer side of the moving block (104), and a connecting frame (105) is fixedly connected to the bottom end surface of the moving block (104).

2. A feeding device for a CNC machining center according to claim 1, characterized in that: The connecting frame (105) is an L-shaped structure. There are four connecting frames (105) in total, wherein two laterally adjacent connecting frames (105) form a group, and the outer sides of the two groups of connecting frames (105) are fixedly connected to the guide frames (2).

3. A feeding device for a CNC machining center according to claim 2, characterized in that: A longitudinal groove is provided inside the guide frame (2), and a longitudinal groove is provided at the bottom end of the guide frame (2). A servo push rod B (201) is fixedly connected inside the longitudinal groove.

4. A feeding device for a CNC machining center according to claim 3, characterized in that: A guide frame (202) is installed on the front output end of the servo push rod B (201). The guide frame (202) is arranged longitudinally, and two sliders (203) are fixedly connected in opposite directions on the outer side of each guide frame (202).

5. The feeding device for a CNC machining center according to claim 4, characterized in that: A servo push rod C (204) longitudinally arranged is fixedly connected to the interior of the longitudinal groove provided in the guide frame (202), and a seat body (3) is installed at the bottom end of the servo push rod C (204).

6. A feeding device for a CNC machining center according to claim 5, characterized in that: The base body (3) is a rectangular frame structure, and a servo motor (301) is installed inside the base body (3). An output shaft is provided at the bottom end of the servo motor (301), and the output shaft passes through the base body (3) toward the bottom and protrudes from the base body (3).

7. A feeding device for a CNC machining center according to claim 6, characterized in that: A clamping frame (302) is installed on the bottom output shaft of the servo motor (301), and a transverse groove is opened inside the clamping frame (302). Two servo push rods D (303) are fixedly connected in opposite directions inside the transverse groove. A clamping part (304) is also installed on the inner side of the two servo push rods D (303). The clamping part (304) and the servo push rods D (303) together constitute a clamping and limiting structure for the workpiece. A rubber pad is fixedly connected to the inner wall of the clamping part (304).

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