Automatic feeding and discharging device of carving machine

Abstract

The utility model relates to the technical field of feeding and discharging devices, in particular to an automatic feeding and discharging device of an engraving machine, which is characterized in that a charging box is obliquely arranged at the top of a bottom plate through a charging box support, and a through type discharging opening is formed in the lower end of the charging box; the left side and the right side of the charging box are provided with pre-feeding devices matched with the discharging ports, one side of the charging box is provided with a feeding device matched with the pre-feeding devices, and the bottom plate is further provided with a clamping and stripping device matched with the feeding device. The automatic feeding and discharging device of the engraving machine can automatically work, improves the working efficiency, reduces the labor cost, improves the automation degree of feeding and discharging of the engraving machine, and guarantees the working intelligence and assembly line work of the engraving machine.

Description

Technical Field

[0001] The utility model relates to the technical field of loading and unloading devices, in particular to an automatic loading and unloading device for an engraving machine. Background Art

[0002] An engraving machine is a CNC device used for engraving. It can perform relief, flat, and hollow engraving on aluminum alloy, copper, bakelite, wood, jade, glass, plastic, acrylic, wood, etc. It has fast engraving speed and high precision.

[0003] When carving decorative hand-held items such as carved playing sticks and carved Buddhist beads, the workpieces need to be loaded and unloaded manually, which reduces efficiency and increases labor costs, resulting in a low degree of automation in loading and unloading of the engraving machine, and reduces the intelligence of the engraving machine, making it impossible to perform assembly line operations.

[0004] Therefore, it is urgent to design a kind of automatic loading and unloading device of engraving machine. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic loading and unloading device for an engraving machine.

[0006] An automatic loading and unloading device for an engraving machine includes a base plate, a loading box is obliquely arranged on the top of the base plate through a loading box bracket, a through-type discharge port is opened at the lower end of the loading box, pre-feeding devices cooperating with the discharge port are arranged on the left and right sides of the loading box, a feeding device cooperating with the pre-feeding device is arranged on one side of the loading box, and a clamping and stripping device cooperating with the feeding device is also arranged on the base plate.

[0007] Furthermore, the pre-feeding device includes a blocking cylinder and a pre-feeding cylinder respectively arranged on the left and right sides of the charging box, the pre-feeding cylinder is fixedly arranged on the top of the base plate through a pre-feeding cylinder bracket, the output end of the pre-feeding cylinder is detachably provided with a pre-feeding ejector pin, the pre-feeding ejector pin passes through the discharge port and fits with the gap therewith, the output end of the blocking cylinder is fixedly provided with a blocking plate, the blocking plate is detachably provided with a blocking seat, and the blocking seat is provided with a pre-feeding ejector pin hole that matches the pre-feeding ejector pin.

[0008] Furthermore, the feeding device includes a feeding cylinder, which is fixedly arranged on the top of the base plate between the loading box and the blocking cylinder. The output end of the feeding cylinder is fixedly connected to one end of the guide rail through a connecting plate. A sliding seat that slides with the guide rail is fixedly provided on the top of the base plate, and a claw fixing seat is fixedly connected to the other end of the guide rail. A mechanical claw is detachably provided on the claw fixing seat, and the mechanical claw is located on one side of the discharge port and cooperates with it.

[0009] Furthermore, the material clamping and stripping device includes a tailstock bracket and a rotating motor, the tailstock bracket is fixedly arranged on the top of the base plate on the rear side of the pre-feeding ejector, a tailstock shaft is slidably arranged in the tailstock bracket, a tailstock cylinder is fixedly arranged on the rear part of the tailstock bracket, the output end of the tailstock cylinder is fixedly connected to the rear end of the tailstock shaft, the front end of the tailstock shaft is detachably provided with a tailstock ejector, the rotating motor is arranged on the top of the base plate on the rear side of the material blocking cylinder through the motor bracket, the output end of the rotating motor is detachably provided with a motor ejector that cooperates with the tailstock ejector, a stripper plate is fixedly arranged on the top of the base plate, a stripper groove is opened on the top of the stripper plate, and the tailstock ejector is slidably arranged in the stripper groove and is clearance-matched with it.

[0010] Furthermore, a pushing cylinder is provided on the top of the bottom plate between the charging box and the mechanical clamping claw, a pushing plate is fixedly provided on the output end of the pushing cylinder, and a pushing groove is provided on the top of the pushing plate.

[0011] Furthermore, a material receiving box is obliquely provided on the top of the bottom plate on one side of the stripper plate, and the material receiving box is located below between the tailstock ejector pin and the motor ejector pin.

[0012] Furthermore, a feed port is provided at a higher end of the charging box.

[0013] In summary, the present invention has the following beneficial effects:

[0014] The pre-feeding device of this utility model pushes the workpiece in the loading box out of the discharge port. The feeding device clamps the workpiece pushed out by the pre-feeding device and transports it backward. The clamping and stripping device presses the workpiece conveyed by the feeding device and rotates synchronously with the engraving head of the engraving machine. After engraving is completed, the workpiece automatically detaches from the clamping and stripping device. This utility model can automatically improve work efficiency, reduce labor costs, and enhance the degree of automation of the engraving machine's loading and unloading, ensuring intelligent operation and streamlined operation of the engraving machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0016] Figure 1 This is a schematic diagram of the top structure of the utility model;

[0017] Figure 2 This is a structural diagram of the material clamping and stripping device of the present utility model;

[0018] Figure 3 This is a structural diagram of the pre-feeding device of the present utility model;

[0019] Figure 4 for Figure 1 Sectional view of AA in the middle;

[0020] Figure 5 for Figure 1 Cross-sectional view of the BB.

[0021] In the figure: 1 base plate, 2 charging box bracket, 3 charging box, 4 discharge port, 5 pre-feeding device, 51 pre-feeding cylinder bracket, 52 pre-feeding cylinder, 53 pre-feeding ejector, 54 blocking cylinder, 55 blocking plate, 56 blocking seat, 57 pre-feeding ejector hole, 58 pushing cylinder, 59 pushing plate, 60 pushing trough, 6 feeding device, 61 feeding cylinder, 62 connecting plate, 63 guide rail, 64 slide, 65 claw fixing seat, 66 mechanical claw, 7 clamping and stripping device, 71 tailstock bracket, 72 tailstock shaft, 73 tailstock cylinder, 74 tailstock ejector, 75 motor bracket, 76 rotating motor, 77 motor ejector, 78 stripping plate, 79 stripping trough, 8 receiving box, 9 workpiece, 10 feeding port. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the embodiments described are 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.

[0023] The following is combined with Figure 1-5 The utility model is further described as follows:

[0024] An automatic loading and unloading device for an engraving machine includes a base plate 1, a loading box 3 is obliquely arranged on the top of the base plate 1 through a loading box bracket 2, a feeding port 10 is provided at the higher end of the loading box 3, a through-type discharge port 4 is provided at the lower end of the loading box 3, pre-feeding devices 5 cooperating with the discharge port 4 are provided on the left and right sides of the loading box 3, a feeding device 6 cooperating with the pre-feeding device 5 is provided on one side of the loading box 3, and a material clamping and stripping device 7 cooperating with the feeding device 6 is also provided on the base plate 1.

[0025] In this embodiment, the base plate 1 is fixed on the engraving platform of the engraving machine before use. The workpiece 9 is sequentially loaded into the loading box 3 from the feed port 10, and the pre-feeding device 5 pushes the workpiece 9 in the loading box 3 out of the discharge port 4. The feeding device 6 clamps the workpiece 9 pushed out by the pre-feeding device 5 and transports it backwards, and the clamping and stripping device 7 tightens the workpiece 9 transported by the feeding device 6 and can rotate synchronously with the engraving head of the engraving machine. After the engraving is completed, the workpiece 9 automatically detaches from the clamping and stripping device 7. The utility model can automatically improve work efficiency, reduce labor costs, improve the degree of automation of loading and unloading of the engraving machine, and ensure the intelligent operation and assembly line operation of the engraving machine.

[0026] The pre-feeding device 5 includes a blocking cylinder 54 and a pre-feeding cylinder 52 respectively arranged on the left and right sides of the charging box 3. The pre-feeding cylinder 52 is fixedly arranged on the top of the base plate 1 through a pre-feeding cylinder bracket 51. The output end of the pre-feeding cylinder 52 is detachably provided with a pre-feeding ejector pin 53. The pre-feeding ejector pin 53 passes through the discharge port 4 and fits in with the gap therewith. The output end of the blocking cylinder 54 is fixedly provided with a blocking plate 55. The blocking plate 55 is detachably provided with a blocking seat 56. The blocking seat 56 is provided with a pre-feeding ejector pin hole 57 that matches the pre-feeding ejector pin 53.

[0027] The feeding device 6 includes a feeding cylinder 61, which is fixedly arranged on the top of the base plate 1 between the loading box 3 and the blocking cylinder 54. The output end of the feeding cylinder 61 is fixedly connected to one end of the guide rail 63 through a connecting plate 62. A slide 64 that slides with the guide rail 63 is fixedly provided on the top of the base plate 1. A claw fixing seat 65 is fixedly connected to the other end of the guide rail 63. A mechanical claw 66 is detachably provided on the claw fixing seat 65. The mechanical claw 66 is located on one side of the discharge port 4 and cooperates with it.

[0028] A pushing cylinder 58 is provided on the top of the bottom plate 1 between the charging box 3 and the mechanical clamping claw 66 , and a pushing plate 59 is fixedly provided on the output end of the pushing cylinder 58 , and a pushing groove 60 is provided on the top of the pushing plate 59 .

[0029] In this embodiment, the output end of the material blocking cylinder 54 extends and drives the material blocking plate 55 to move to the specified position. At the same time, the output end of the pre-feeding cylinder 52 extends, and the pre-feeding ejector pin 53 is inserted into the through hole in the middle of the workpiece 9, and then the workpiece 9 is pushed out from the discharge port 4. Preferably, the length of the pre-feeding ejector pin 53 is greater than the length of the workpiece 9, and the needle tip of the pre-feeding ejector pin 53 is inserted into the pre-feeding ejector pin hole 57, and then the workpiece 9 contacts the material blocking seat 56, and the pre-feeding cylinder 52 stops working.

[0030] When there is no through hole on the workpiece 9, the output end of the pushing cylinder 58 extends, driving the pushing plate 59 to move upward to a height where the pushing trough 60 is coaxial with the discharge port 4. The pre-feeding ejector 53 pushes the workpiece 9 out of the discharge port 4, and the workpiece 9 enters the pushing trough 60 and moves along the pushing trough 60 until it contacts the blocking seat 56. The pre-feeding ejector 53 and the blocking seat 56 clamp the workpiece 9, and the pre-feeding cylinder 52 stops working. The output end of the pushing cylinder 58 contracts, driving the pushing plate 59 to move downward.

[0031] The output end of the feed cylinder 61 contracts, driving the guide rail 63 to slide backward along the slide 64 through the connecting plate 62. After the mechanical gripper 66 moves backward to the designated position, the feed cylinder 61 stops, and the mechanical gripper 66 clamps the workpiece 9. The output end of the stopper cylinder 54 contracts, and the output end of the pre-feed cylinder 52 contracts. The output end of the feed cylinder 61 contracts, driving the mechanical gripper 66 and the workpiece 9 to continue moving backward.

[0032] The material clamping and stripping device 7 includes a tailstock bracket 71 and a rotating motor 76. The tailstock bracket 71 is fixedly arranged on the top of the base plate 1 on the rear side of the pre-feeding ejector pin 53. A tailstock shaft 72 is slidably arranged in the tailstock bracket 71. A tailstock cylinder 73 is fixedly arranged at the rear of the tailstock bracket 71. The output end of the tailstock cylinder 73 is fixedly connected to the rear end of the tailstock shaft 72. The front end of the tailstock shaft 72 is detachably provided with a tailstock ejector pin 74. The rotating motor 76 is arranged on the material blocking air block through the motor bracket 75. At the top of the base plate 1 on the rear side of the cylinder 54, the output end of the rotating motor 76 is detachably provided with a motor pin 77 that cooperates with the tailstock pin 74. A stripper plate 78 is fixedly provided on the top of the base plate 1. A stripper groove 79 is provided on the top of the stripper plate 78. The tailstock pin 74 is slidably set in the stripper groove 79 and cooperates with the clearance therein. A material receiving box 8 is obliquely provided on the top of the base plate 1 on one side of the stripper plate 78. The material receiving box 8 is located below between the tailstock pin 74 and the motor pin 77.

[0033] In this embodiment, the output end of the feed cylinder 61 contracts, driving the mechanical gripper 66 and the workpiece 9 to continue moving backward to between the tailstock ejector pin 74 and the motor ejector pin 77, after which the feed cylinder 61 stops working. The output end of the tailstock cylinder 73 extends, driving the tailstock shaft 72 and the tailstock ejector pin 74 to move. The tailstock ejector pin 74 passes through the stripping chute 79 and contacts the workpiece 9, pushing the workpiece 9 to move. The tailstock ejector pin 74 and the motor ejector pin 77 cooperate to tighten the workpiece 9. The mechanical gripper 66 releases the workpiece 9, and the output end of the feed cylinder 61 extends, driving the mechanical gripper 66 to move forward to its original position. The rotary motor 76 drives the workpiece 9 to rotate synchronously with the engraving of the engraving head of the engraving machine.

[0034] After engraving is completed, the engraving head of the engraving machine is reset and the rotary motor 76 stops working. The output end of the tailstock cylinder 73 contracts, driving the tailstock ejector 74 to reset. The stripper plate 78 blocks the workpiece 9, separating the workpiece 9 from the tailstock ejector 74. The workpiece 9 falls onto the inclined receiving box 8 and is collected along the bottom plate 1 where the receiving box 8 slides.

[0035] In the description of this patent, it should be understood that the terms "center", "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 accompanying drawings. They are only for the convenience of describing this patent 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. Therefore, they should not be understood as limitations on this patent.

[0036] In the description of this patent, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," and "set" should be understood in a broad sense. For example, they can refer to fixed connection or set, detachable connection or set, or integral connection or set. Those skilled in the art will understand the specific meanings of the above terms in this patent based on the specific circumstances.

Claims

1. An automatic loading and unloading device for an engraving machine, comprising a base plate (1), characterized in that: A charging box (3) is tiltedly arranged on the top of the bottom plate (1) through a charging box bracket (2); a through-type discharge port (4) is provided at a lower end of the charging box (3); pre-feeding devices (5) cooperating with the discharge port (4) are provided on the left and right sides of the charging box (3); a feeding device (6) cooperating with the pre-feeding device (5) is provided on one side of the charging box (3); and a clamping and removing device (7) cooperating with the feeding device (6) is also provided on the bottom plate (1).

2. The automatic loading and unloading device for an engraving machine according to claim 1, characterized in that: The pre-feeding device (5) comprises a blocking cylinder (54) and a pre-feeding cylinder (52) respectively arranged on the left and right sides of the charging box (3); the pre-feeding cylinder (52) is fixedly arranged on the top of the bottom plate (1) through a pre-feeding cylinder bracket (51); the output end of the pre-feeding cylinder (52) is detachably provided with a pre-feeding ejector pin (53); the pre-feeding ejector pin (53) passes through the discharge port (4) and is clearance-matched therewith; the output end of the blocking cylinder (54) is fixedly provided with a blocking plate (55); the blocking plate (55) is detachably provided with a blocking seat (56); the blocking seat (56) is provided with a pre-feeding ejector pin hole (57) matching the pre-feeding ejector pin (53).

3. The automatic loading and unloading device for an engraving machine according to claim 2, characterized in that: The feeding device (6) includes a feeding cylinder (61), which is fixedly arranged on the top of the base plate (1) between the charging box (3) and the blocking cylinder (54), and the output end of the feeding cylinder (61) is fixedly connected to one end of the guide rail (63) through the connecting plate (62). A slide seat (64) that slidably cooperates with the guide rail (63) is fixedly arranged on the top of the base plate (1), and a claw fixing seat (65) is fixedly connected to the other end of the guide rail (63). A mechanical claw (66) is detachably provided on the claw fixing seat (65), and the mechanical claw (66) is located on one side of the discharge port (4) and cooperates with it.

4. The automatic loading and unloading device for an engraving machine according to claim 3, characterized in that: The clamping and stripping device (7) comprises a tailstock support (71) and a rotating motor (76), wherein the tailstock support (71) is fixedly arranged on the top of the bottom plate (1) on the rear side of the pre-feeding ejector pin (53), a tailstock shaft (72) is slidably arranged in the tailstock support (71), a tailstock cylinder (73) is fixedly arranged at the rear of the tailstock support (71), an output end of the tailstock cylinder (73) is fixedly connected to the rear end of the tailstock shaft (72), and a tailstock ejector pin (76) is detachably arranged at the front end of the tailstock shaft (72). The rotating motor (76) is arranged on the top of the bottom plate (1) on the rear side of the material blocking cylinder (54) through the motor bracket (75), and the output end of the rotating motor (76) is detachably provided with a motor ejector (77) that matches the tailstock ejector (74), and a stripper plate (78) is fixedly provided on the top of the bottom plate (1), and a stripper groove (79) is opened on the top of the stripper plate (78), and the tailstock ejector (74) is slidably arranged in the stripper groove (79) and is clearance-matched with the stripper groove (79).

5. The automatic loading and unloading device for an engraving machine according to claim 3, characterized in that: A pushing cylinder (58) is provided on the top of the bottom plate (1) between the charging box (3) and the mechanical clamping claw (66), a pushing plate (59) is fixedly provided on the output end of the pushing cylinder (58), and a pushing groove (60) is provided on the top of the pushing plate (59).

6. The automatic loading and unloading device for an engraving machine according to claim 4, characterized in that: A material receiving box (8) is provided at an angle on the top of the bottom plate (1) on one side of the stripping plate (78), and the material receiving box (8) is located below between the tailstock ejector pin (74) and the motor ejector pin (77).

7. The automatic loading and unloading device for an engraving machine according to claim 1, characterized in that: A feed port (10) is provided at a higher end of the charging box (3).

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