Clamping mechanism of end face lettering numerical control machine tool

Abstract

The utility model discloses an end face lettering numerical control machine tool clamping mechanism which comprises a working table, a numerical control lettering machine body and a clamping bin, the numerical control lettering machine body is arranged on the working table, a control motor is installed in the working table, the output end of the control motor is fixedly connected with a lead screw, the upper surface of the lead screw is in threaded connection with a sliding sleeve, and the sliding sleeve is in threaded connection with the clamping bin. The top of the sliding sleeve is connected with a connecting bin, a rotating motor is installed in the connecting bin, the output end of the rotating motor is fixedly connected with a gear B, the gear B is meshed with a gear A, the gear A is connected with a rotating shaft, and the top end of the rotating shaft is fixedly connected with a clamping bin. After one end of the workpiece is engraved, the rotating motor is started to drive the gear B to rotate, the gear B is meshed to drive the gear A to rotate, and the gear A is matched with the rotating shaft to drive the clamping bin at the top to rotate, so that the other end of the workpiece is conveyed into the numerical control engraving machine body, and the two ends of the workpiece are conveniently machined.

Description

Technical Field

[0001] The utility model relates to the relevant field of numerical control machine tools, in particular to a clamping mechanism for an end face lettering numerical control machine tool. Background Art

[0002] The CNC engraving machine is controlled by a computer and drives the engraving knife of the engraving machine to engrave the text and images designed on the computer on the engraved object (usually post-it notes and plastic films). The engraving machine can also be used to cut paper or engrave the material inside the paper or thin metal.

[0003] After searching, Chinese utility model patent CN219582259U discloses a clamping mechanism for a roller end face engraving CNC machine tool, including a machine body, a support plate fixedly connected to the left side of the top of the machine body, a motor arranged on the right side of the support plate, a threaded rod fixedly connected to the left side of the motor, a threaded tube sleeved on the surface of the threaded rod, a fixed block fixedly connected to the right side of the threaded tube, a connecting block arranged on the top of the fixed block, the bottom of the connecting block extending to the inside of the fixed block, a fixed frame fixedly connected to the top of the connecting block, a first U pressure plate fixedly connected to the bottom of the inner cavity of the fixed frame, and a roller body arranged inside the fixed frame. In the utility model, by arranging an L-shaped plate, a card plate, a pull rod, a second bolt and an insertion rod, the connecting block and the fixed frame can be fixed under the action of the L-shaped plate, the card plate, the pull rod, the second bolt and the insertion rod, so as to achieve the purpose of facilitating the disassembly and replacement of the first U pressure plate and the second U pressure plate.

[0004] The existing device will have the following problems when in use: during the engraving operation, the workpiece needs to be clamped, but when the clamped workpiece is operated on the other end, the workpiece needs to be adjusted manually, which increases the processing time and greatly reduces the processing efficiency of the workpiece. Utility Model Content

[0005] The utility model aims to provide a clamping mechanism for an end face engraving CNC machine tool to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamping mechanism of an end face engraving CNC machine tool, comprising a workbench, a CNC engraving machine body, and a clamping bin, wherein the CNC engraving machine body is arranged on the workbench, a control motor is installed inside the workbench, a lead screw is fixedly connected to the output end of the control motor, a sleeve is threadedly connected to the upper surface of the lead screw, a connecting bin is connected to the top of the sleeve, the control motor is started to drive the lead screw to rotate, and the lead screw cooperates with the sleeve to drive the clamping bin to move, thereby conveying the workpiece to the inside of the CNC engraving machine body, a rotating motor is installed inside the connecting bin, a gear B is fastened to the output end of the rotating motor, a gear A is meshed with a gear B, a rotating shaft is connected to the gear A, and the rotating shaft A clamping bin is fixedly connected to the top. After engraving is completed on one end of the workpiece, the rotating motor is started to drive gear B to rotate, and gear B engages to drive gear A to rotate. Gear A cooperates with the rotating shaft to drive the clamping bin on the top to rotate, thereby conveying the other end of the workpiece to the inside of the CNC engraving machine body, so as to facilitate processing of both ends of the workpiece. A connecting plate is connected to the inside of the clamping bin through a guide rod, and an electric push rod is installed at the bottom of the connecting plate. One end of the electric push rod extends to the connection of the clamping bin and is connected to an upper clamp block. A lower clamp block is provided on the bottom side of the inner part of the clamping bin. The workpiece is placed inside the clamping bin, and the electric push rod is started to drive the upper clamp block to move on the guide rod, so that the upper clamp block cooperates with the lower clamp block to clamp and fix the workpiece. Support legs are provided at the bottom of the workbench.

[0007] In a further embodiment, sliding blocks are provided on both sides of the upper clamping block, and guide rods are slidably connected inside the sliding blocks, so that the sliding blocks maintain linear motion when driving the upper clamping block to move.

[0008] In a further embodiment, a slot is provided on the top of the workbench, a sliding sleeve is provided inside the slot, and the sliding sleeve moves in the slot.

[0009] In a further embodiment, a bearing is provided on the connecting bin, and a rotating shaft is provided inside the bearing to limit the rotating shaft and prevent the rotating shaft from being offset.

[0010] In a further embodiment, a sliding rod is provided inside the workbench, and the sliding rod is slidably connected to a sliding sleeve. When the sliding sleeve moves, it cooperates with the sliding rod to maintain linear motion, thereby increasing the stabilization effect.

[0011] In a further embodiment, a non-slip pad is provided on the lower surface of the upper clamping block, and the upper clamping block and the lower clamping block have the same structure, thereby improving the stability of clamping.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. After the engraving on one end of the workpiece is completed, start the rotating motor to drive gear B to rotate, gear B engages to drive gear A to rotate, gear A cooperates with the rotating shaft to drive the top clamping bin to rotate, thereby conveying the other end of the workpiece to the inside of the CNC engraving machine body, which is convenient for processing both ends of the workpiece, improving the automation of processing and increasing processing efficiency.

[0014] 2. The design of the upper clamping block and the lower clamping block facilitates clamping of workpieces of different sizes and shapes, thus improving the practicality of the clamping bin. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the clamping bin structure of the utility model;

[0018] Figure 4 It is a partial structural schematic diagram of the utility model.

[0019] In the figure: 1. CNC engraving machine body; 2. Workbench; 3. Support legs; 4. Connecting plate; 5. Electric push rod; 6. Clamping bin; 7. Upper clamping block; 8. Lower clamping block; 9. Connecting bin; 10. Control motor; 11. Sliding sleeve; 12. Screw rod; 13. Rotating shaft; 14. Gear A; 15. Gear B; 16. Rotating motor; 17. Guide rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-3The utility model provides an embodiment: a clamping mechanism of an end face lettering CNC machine tool, comprising a workbench 2, a CNC lettering machine body 1, and a clamping bin 6. The CNC lettering machine body 1 is arranged on the workbench 2, and a control motor 10 is installed inside the workbench 2. A screw rod 12 is fixedly connected to the output end of the control motor 10, and a sleeve 11 is threadedly connected to the upper surface of the screw rod 12. The top of the sleeve 11 is connected to a connecting bin 9. The control motor 10 is started to drive the screw rod 12 to rotate, and the screw rod 12 cooperates with the sleeve 11 to drive the clamping bin 6 to move, thereby transporting the workpiece to the inside of the CNC lettering machine body 1, so as to facilitate the workpiece processing and lettering. A connecting plate 4 is connected to the clamping bin 6 through a guide rod 17, and an electric push rod is installed at the bottom of the connecting plate 4. Rod 5, one end of the electric push rod 5 extends to the connection of the clamping bin 6 and is connected with an upper clamping block 7, and a lower clamping block 8 is arranged on the inner bottom side of the clamping bin 6. The workpiece is placed inside the clamping bin 6, and the electric push rod 5 is started to drive the upper clamping block 7 to move on the guide rod 17, so that the upper clamping block 7 cooperates with the lower clamping block 8 to clamp and fix the workpiece to avoid the workpiece moving during processing and causing processing failure. Support legs 3 are arranged at the bottom of the workbench 2, and sliders are arranged on both sides of the upper clamping block 7, and the guide rod 17 is slidably connected in the slider. A notch is opened on the top of the workbench 2, and a sliding sleeve 11 is arranged inside the notch. The lower surface of the upper clamping block 7 is provided with an anti-slip pad, and the upper clamping block 7 and the lower clamping block 8 have the same structure, which improves the stability of the workpiece when it is clamped.

[0022] See also Figure 1-4 A rotating motor 16 is installed inside the connecting bin 9, and a gear B15 is fastened to the output end of the rotating motor 16, and the gear B15 is meshed with a gear A14. A rotating shaft 13 is connected to the gear A14, and a clamping bin 6 is fixedly connected to the top of the rotating shaft 13. A bearing is provided on the connecting bin 9, and a rotating shaft 13 is provided inside the bearing. After the engraving of one end of the workpiece is completed, the rotating motor 16 is started to drive the gear B15 to rotate, and the gear B15 is meshed to drive the gear A14 to rotate. The gear A14 cooperates with the rotating shaft 13 to drive the top clamping bin 6 to rotate, thereby conveying the other end of the workpiece to the inside of the CNC engraving machine body 1, so as to facilitate the processing of both ends of the workpiece and improve practicality.

[0023] Working principle: Place the workpiece inside the clamping bin 6, start the electric push rod 5 to drive the upper clamping block 7 to move on the guide rod 17, so that the upper clamping block 7 cooperates with the lower clamping block 8 to clamp and fix the workpiece, start the control motor 10 to drive the screw rod 12 to rotate, the screw rod 12 cooperates with the sleeve 11 to drive the clamping bin 6 to move, so as to transport the workpiece to the inside of the CNC engraving machine body 1, after the engraving on one end of the workpiece is completed, start the rotating motor 16 to drive the gear B15 to rotate, the gear B15 engages to drive the gear A14 to rotate, the gear A14 cooperates with the rotating shaft 13 to drive the top clamping bin 6 to rotate, so as to transport the other end of the workpiece to the inside of the CNC engraving machine body 1, so as to facilitate the processing of both ends of the workpiece.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A clamping mechanism for a CNC machine tool for end face engraving, comprising a workbench (2), a CNC engraving machine body (1), and a clamping chamber (6), characterized in that: A CNC engraving machine body (1) is arranged on the workbench (2), a control motor (10) is installed inside the workbench (2), an output end of the control motor (10) is fixedly connected to a lead screw (12), an upper surface of the lead screw (12) is threadedly connected to a sleeve (11), a top of the sleeve (11) is connected to a connection chamber (9), a rotating motor (16) is installed inside the connection chamber (9), an output end of the rotating motor (16) is fixedly connected to a gear B (15), and the gear B (15) is meshed with A gear A (14) is provided, the gear A (14) is connected to a rotating shaft (13), the top end of the rotating shaft (13) is fixedly connected to a clamping bin (6), the inside of the clamping bin (6) is connected to a connecting plate (4) via a guide rod (17), an electric push rod (5) is installed at the bottom of the connecting plate (4), one end of the electric push rod (5) extends to the clamping bin (6) and is connected to an upper clamping block (7), a lower clamping block (8) is provided on the inner bottom side of the clamping bin (6), and a supporting leg (3) is provided at the bottom of the workbench (2).

2. The clamping mechanism for end face engraving CNC machine tool according to claim 1, characterized in that: Slide blocks are provided on both sides of the upper clamping block (7), and guide rods (17) are slidably connected inside the slide blocks.

3. The clamping mechanism for end face engraving CNC machine tool according to claim 1, characterized in that: A notch is provided on the top of the workbench (2), and a sliding sleeve (11) is provided inside the notch.

4. The clamping mechanism for end face engraving CNC machine tool according to claim 1, characterized in that: A bearing is provided on the connection chamber (9), and a rotating shaft (13) is provided inside the bearing.

5. The clamping mechanism for end face engraving CNC machine tool according to claim 1, characterized in that: A sliding rod is provided inside the workbench (2), and the sliding rod is slidably connected to a sliding sleeve (11).

6. The clamping mechanism for end face engraving CNC machine tool according to claim 1, characterized in that: The lower surface of the upper clamping block (7) is provided with an anti-slip pad, and the upper clamping block (7) and the lower clamping block (8) have the same structure.

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