CNC engraving device with automatic feeding function

Abstract

The utility model discloses an automatic feeding CNC engraving device, relates to the technical field of engraving equipment, and solves the technical problems that when an existing CNC engraving machine is subjected to engraving operation, manual feeding is needed, so that the machining efficiency of the CNC engraving device is affected, and then the manual feeding is prone to causing the problem that a machined part deflects, and the engraving quality of the machined part is affected. Comprising a conveying frame, two conveying cylinders are rotationally connected into the conveying frame, a conveying chain plate is arranged between the two conveying cylinders, an engraving machine box and a feeding box are fixedly installed at the top of the conveying frame, and the feeding box and the engraving machine box are distributed in the conveying direction of the conveying chain plate at intervals; two clamping plates are slidably connected into the feeding box, a discharging groove is formed in the bottom of the feeding box, a feeding opening and closing assembly used for driving the two clamping plates to do opening and closing motion is arranged outside the feeding box, and feeding limiting assemblies are arranged at the bottoms of the two clamping plates correspondingly. A first servo hydraulic cylinder is fixedly mounted on the back of the feeding box.

Description

Technical Field

[0001] The utility model relates to the technical field of engraving equipment, in particular to a CNC engraving device with automatic feeding. Background Technique

[0002] Engraving, in terms of processing principle, is a combined drilling and milling process. Engraving machines have various data input modes and can handle them with ease according to needs. Computer engraving machines are divided into two categories: laser engraving machines and mechanical engraving machines.

[0003] According to the "CNC engraving device" provided by the Chinese patent authorization announcement number CN218312166U, which includes a main body, a fixing plate is fixedly connected to the top of the main body. A plurality of first circular through holes are opened in both the fixing plate and the top of the main body. A same branch pipe is provided inside the plurality of first circular through holes of the fixing plate and the main body. A limiting ring is fixedly connected to the outer part of the top of the branch pipe, and the limiting ring is fixedly connected to the top of the fixing plate. A plurality of suction cups are fixedly connected to the tops of the plurality of branch pipes, and a same main pipe is fixedly connected to the bottoms of the plurality of branch pipes. A second circular through hole is opened at the bottom of the main pipe. A flow dividing plate and a piston cylinder are respectively fixedly connected to the top and bottom of the main pipe at the second circular through hole. By setting a limiting rod, a piston cylinder, a flow dividing plate, a limiting ring, a sealing ring, a piston, a fixing plate, a limiting ring, an elastic block, a sliding rod, a bearing plate, and a gasket, when in use, it is more stable to fix, will not have any impact on the material, has high working efficiency and good effect.

[0004] However, when performing engraving operations on a CNC engraving machine, manual feeding is required, which affects the processing efficiency of the CNC engraving device. Secondly, manual feeding is prone to the problem of workpiece skew, which affects the engraving quality of the workpiece. Summary of the Utility Model

[0005] The utility model provides a CNC engraving device with automatic feeding, which solves the technical problems that when performing engraving operations on a CNC engraving machine, manual feeding is required, which affects the processing efficiency of the CNC engraving device, and secondly, manual feeding is prone to the problem of workpiece skew, which affects the engraving quality of the workpiece.

[0006] To solve the above technical problems, a CNC engraving device with automatic feeding provided by the utility model includes a conveying frame. Two conveying cylinders are rotatably connected inside the conveying frame. A conveying chain plate is arranged between the two conveying cylinders. A carving machine box and a feeding box are fixedly installed on the top of the conveying frame. The feeding box and the carving machine box are spaced apart along the conveying direction of the conveying chain plate. Two clamping plates are slidably connected inside the feeding box. A blanking groove is opened at the bottom of the feeding box. An upper feeding opening and closing assembly for driving the two clamping plates to open and close is arranged outside the feeding box. Upper feeding limiting assemblies are arranged at the bottoms of the two clamping plates. A first servo hydraulic cylinder is fixedly installed on the back of the feeding box.

[0007] Preferably, the feeding opening and closing assembly includes a movable rod, a support spring, a connecting plate, an extension frame, a pushing and closing plate, a turntable, a separating convex plate, a stretching frame and a limiting rod. Two support springs are fixedly connected between each of the clamping plates and the feeding box. Four movable rods are movably sleeved inside the feeding box. One end of each movable rod is fixedly connected to the corresponding clamping plate. A connecting plate is fixedly connected between every two corresponding movable rods. The backs of the two connecting plates are fixedly connected to a pushing and closing plate through an extension frame. The turntable is rotatably sleeved on the back of the feeding box. Two separating convex plates are fixedly connected to the outer wall of the turntable. The outer walls of the two separating convex plates are in contact with the corresponding pushing and closing plates. A limiting rod is fixed at an eccentric position outside the turntable. The piston rod of the first servo hydraulic cylinder is fixed with a stretching frame. A sliding hole is formed in the stretching frame. The limiting rod is located inside the sliding hole.

[0008] Preferably, a rotating shaft rod is fixedly installed on the back of the feeding box. The turntable is rotatably sleeved on the feeding box through the rotating shaft rod.

[0009] Preferably, four movable cylinders are fixedly sleeved inside the feeding box. Each movable rod is movably sleeved on the feeding box through the movable cylinder.

[0010] Preferably, the feeding limiting assembly includes a round rod, a material blocking frame, a support rod, a movable frame and a second servo hydraulic cylinder. The bottoms of the two clamping plates are rotatably sleeved with a material blocking frame through a round rod. The two material blocking frames are on the same horizontal plane. The outsides of the two material blocking frames are rotatably sleeved with a movable frame through a support rod. The second servo hydraulic cylinder is fixedly sleeved inside the feeding box. The hydraulic support rods inside the two second servo hydraulic cylinders are connected to the corresponding movable frames.

[0011] Preferably, protective boxes are fixedly installed on both sides of the feeding box. The two protective boxes are sleeved with the corresponding second servo hydraulic cylinders.

[0012] Compared with the related art, an automatic feeding CNC engraving device provided by the present utility model has the following beneficial effects:

[0013] The utility model provides a CNC engraving device with automatic feeding. The two clamping plates are slidably supported inside the feeding box through movable rods. Secondly, two support springs are fixedly connected between the clamping plates and the feeding box. The two separating convex plates are rotatably supported by a turntable on the back of the feeding box, and the two separating convex plates are in contact with the pushing plate on one side of the movable rod. Then, the stretching frame at the top of the first servo hydraulic cylinder is rotatably sleeved on the turntable. Thus, by adjusting the first servo hydraulic cylinder, the two clamping plates can be pushed to separate, so that the workpieces can fall. On the contrary, when the pushing of the pushing plate is cancelled, the support springs elastically support inward, thereby elastically clamping and positioning multiple workpieces;

[0014] A material blocking frame is rotatably sleeved at the bottom of the two clamping plates through a round rod, so that the falling workpieces can be positioned and supported. A second servo hydraulic cylinder is fixedly installed inside the feeding box, and the movable frame at one end of the second servo hydraulic cylinder is movably sleeved on the material blocking frame. Thus, after the support for the fallen workpieces is cancelled, the workpieces fall onto the top of the conveying chain plate, realizing the rapid and convenient conveying of the workpieces to the bottom of the engraving machine case for engraving treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the utility model;

[0016] Figure 2 is a schematic structural diagram of a partial cross-section of the utility model;

[0017] Figure 3 is a schematic structural diagram of the partial back of the figure of the utility model;

[0018] Figure 4 is the utility model Figure 2 The enlarged structural diagram at A in;

[0019] Figure 5 is the utility model Figure 2 The enlarged structural diagram at B in.

[0020] Reference numerals in the figure: 1, conveying frame; 2, conveying cylinder; 3, conveying chain plate; 4, engraving machine case; 5, feeding box; 6, feeding opening and closing assembly; 601, movable rod; 602, support spring; 603, connecting plate; 604, extension frame; 605, pushing plate; 606, turntable; 607, separating convex plate; 608, stretching frame; 609, limiting rod; 7, protective box; 8, clamping plate; 9, feeding limiting assembly; 901, round rod; 902, material blocking frame; 903, support rod; 904, movable frame; 905, second servo hydraulic cylinder; 10, blanking chute; 11, movable cylinder; 12, rotating shaft rod; 13, first servo hydraulic cylinder. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, in combination with the accompanying drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0022] As shown by Figures 1-5 , an automatic feeding CNC engraving device includes a conveying frame 1. Two conveying cylinders 2 are rotatably connected inside the conveying frame 1. A conveying chain plate 3 is arranged between the two conveying cylinders 2. A carving machine case 4 and a feeding box 5 are fixedly installed on the top of the conveying frame 1. The feeding box 5 and the carving machine case 4 are spaced apart along the conveying direction of the conveying chain plate 3.

[0023] Two clamping plates 8 are slidably connected inside the feeding box 5. A blanking groove 10 is opened at the bottom of the feeding box 5. A feeding opening and closing assembly 6 for driving the two clamping plates 8 to open and close is arranged outside the feeding box 5. Feeding limiting assemblies 9 are arranged at the bottoms of the two clamping plates 8. A first servo hydraulic cylinder 13 is fixedly installed on the back of the feeding box 5.

[0024] Referring to Figure 2 , Figure 3 and Figure 5 , the feeding opening and closing assembly 6 includes a movable rod 601, a support spring 602, a connecting plate 603, an extension frame 604, a pushing plate 605, a turntable 606, a separating convex plate 607, a stretching frame 608 and a stretching frame 609. Two support springs 602 are fixedly connected between the two clamping plates 8 and the feeding box 5. Four movable rods 601 are movably sleeved inside the feeding box 5. One end of each movable rod 601 is fixedly connected to the corresponding clamping plate 8. A connecting plate 603 is fixedly connected between every two corresponding movable rods 601. A pushing plate 605 is fixedly connected to the backs of the two connecting plates 603 through an extension frame 604. A turntable 606 is rotatably sleeved on the back of the feeding box 5. Two separating convex plates 607 are fixedly connected to the outer wall of the turntable 606. The outer walls of the two separating convex plates 607 are in contact with the corresponding pushing plates 605. A limiting rod 609 is fixed at an eccentric position outside the turntable 606. The piston rod of the first servo hydraulic cylinder 13 is fixed with a stretching frame 608. A sliding hole is opened on the stretching frame 608. The limiting rod 609 is located in the sliding hole, so as to elastically support the workpiece through the arranged support spring 602, prevent the workpiece from falling randomly, and enable the workpiece to be stored between the two clamping plates 8.

[0025] Referring to Figure 5, a rotating shaft rod 12 is fixedly installed on the back of the loading box 5, and the turntable 606 is rotatably sleeved with the loading box 5 through the rotating shaft rod 12, so as to rotatably sleeve the turntable 606.

[0026] Refer to Figure 2 , four movable cylinders 11 are fixedly sleeved inside the loading box 5, and each movable rod 601 is movably sleeved with the loading box 5 through the movable cylinder 11, so that the movable rod 601 can be stretched and moved inside the loading box 5 without restriction.

[0027] Refer to Figure 4 , the loading limit assembly 9 includes a round rod 901, a material blocking frame 902, a support rod 903, a movable frame 904 and a second servo hydraulic cylinder 905. The bottoms of the two clamping plates 8 are rotatably sleeved with the material blocking frame 902 through the round rod 901. The two material blocking frames 902 are on the same horizontal plane. The outer parts of the two material blocking frames 902 are rotatably sleeved with the movable frame 904 through the support rod 903. The second servo hydraulic cylinder 905 is fixedly sleeved inside the loading box 5. The hydraulic support rods inside the two second servo hydraulic cylinders 905 are connected to the corresponding movable frames 904 respectively, so as to support the workpieces and prevent multiple workpieces from falling simultaneously when picking up and loading the workpieces.

[0028] Refer to Figure 3 and Figure 5 , protective boxes 7 are fixedly installed on both sides of the loading box 5, and the two protective boxes 7 are sleeved with the corresponding second servo hydraulic cylinders 905 respectively, so as to protectively sleeve the second servo hydraulic cylinders 905.

[0029] Working principle: First, two clamping plates 8 are supported by sliding through the movable rod 601 inside the loading box 5. Secondly, two supporting springs 602 are fixedly connected between the clamping plate 8 and the loading box 5. The first servo hydraulic cylinder 13 drives the stretching frame 608 to move. The stretching frame 608 moves the limit rod 609. The limit rod 609 drives the turntable 606 to rotate, thereby driving the separation convex plate 607 to rotate. The separation convex plate 607 pushes the push plate 605 to move. The push plate 605 drives the connecting plate 603 to move synchronously through the extension frame 604. The connecting plate 603 pushes the clamping plate 8 to move through the movable rod 601, thereby pushing the two clamping plates 8 to separate, so that the workpiece can be processed as follows The workpieces fall, and vice versa, the pushing of the pushing plate 605 is cancelled, so that the support spring 602 elastically supports the inside, thereby elastically clamping and positioning a plurality of workpieces; the material blocking frame 602 is rotatably sleeved on the round rod 901 at the bottom of the two clamping plates 8, so that the falling workpieces can be positioned and supported, and the second servo hydraulic cylinder 905 is fixedly installed inside the feeding box 5, so that the movable frame 904 at one end of the second servo hydraulic cylinder 905 is movably sleeved with the material blocking frame 602, thereby canceling the support for the fallen workpieces, so that the workpieces can stably fall to the top of the conveying chain plate 3 for straightening and transportation, so as to quickly and conveniently transport the workpieces to the bottom of the engraving machine box 4 for engraving.

[0030] 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 CNC engraving device with automatic feeding, comprising a conveying frame (1), characterized in that: The conveying frame (1) is internally rotatably connected to two conveying cylinders (2), a conveying chain plate (3) is provided between the two conveying cylinders (2), an engraving machine box (4) and a loading box (5) are fixedly installed on the top of the conveying frame (1), and the loading box (5) and the engraving machine box (4) are spaced apart along the conveying direction of the conveying chain plate (3); The inside of the feeding box (5) is slidably connected with two clamping plates (8), the bottom of the feeding box (5) is provided with a feeding chute (10), the outside of the feeding box (5) is provided with a feeding opening and closing assembly (6) for driving the two clamping plates (8) to open and close, the bottom of the two clamping plates (8) is provided with a feeding limit assembly (9), and the back of the feeding box (5) is fixedly installed with a first servo hydraulic cylinder (13).

2. The automatic feeding CNC engraving device according to claim 1, characterized in that: The feeding opening and closing assembly (6) comprises a movable rod (601), a supporting spring (602), a connecting plate (603), an extension frame (604), a pushing plate (605), a rotating disk (606), a separation convex plate (607), a stretching frame (608) and a limiting rod (609). Two supporting springs (602) are fixedly connected between the two clamping plates (8) and the feeding box (5). Four movable rods (601) are movably sleeved inside the feeding box (5). One end of each movable rod (601) is fixedly connected to the corresponding clamping plate (8). A connecting plate (603) is fixedly connected between every two corresponding movable rods (601). 603), the backs of the two connecting plates (603) are fixedly connected with a push plate (605) through an extension frame (604), the back of the loading box (5) is rotatably sleeved with a turntable (606), the outer wall of the turntable (606) is fixedly connected with two separation convex plates (607), the outer walls of the two separation convex plates (607) are in contact with the corresponding push plates (605), the outer eccentric position of the turntable (606) is fixed with a limit rod (609), the piston rod of the first servo hydraulic cylinder (13) is fixed with a stretching frame (608), a sliding hole is opened on the stretching frame (608), and the limit rod (609) is located in the sliding hole.

3. The automatic feeding CNC engraving device according to claim 2, characterized in that: A rotating shaft rod (12) is fixedly mounted on the back of the loading box (5), and the rotating disk (606) is rotatably sleeved with the loading box (5) via the rotating shaft rod (12).

4. The automatic feeding CNC engraving device according to claim 2, characterized in that: Four movable cylinders (11) are fixedly sleeved inside the loading box (5), and each movable rod (601) is movably sleeved with the loading box (5) via the movable cylinder (11).

5. The automatic feeding CNC engraving device according to claim 2, characterized in that: The material loading limit assembly (9) includes a round rod (901), a material blocking frame (902), a support rod (903), a movable frame (904) and a second servo hydraulic cylinder (905); the bottoms of the two clamping plates (8) are rotatably sleeved with the material blocking frame (902) through the round rod (901); the two material blocking frames (902) are located in the same horizontal plane; the outsides of the two material blocking frames (902) are rotatably sleeved with the movable frame (904) through the support rod (903); the inside of the material loading box (5) is fixedly sleeved with the second servo hydraulic cylinder (905); the hydraulic support rods inside the two second servo hydraulic cylinders (905) are connected to the corresponding movable frames (904).

6. The automatic loading CNC engraving device according to claim 5, characterized in that: Protection boxes (7) are fixedly installed on both sides of the loading box (5), and the two protection boxes (7) are socketed with the corresponding second servo hydraulic cylinders (905).

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