CN207140642U - Silk ball checkering machine - Google Patents

Abstract

The utility model discloses a hydrangea engraving machine, which comprises a frame, a workpiece clamping device is arranged on the frame, a mounting bracket is arranged on the frame, a workpiece processing device is arranged on the mounting bracket; the workpiece clamping device includes The two first fixture mounts on the frame can be relatively close to and far away from, the first fixture mounts are equipped with a rotatable first push rod, and the two first push rods are coaxial and oppositely arranged; the workpiece processing device includes a set A horizontal movable support capable of lateral movement on the mounting bracket, a vertical movable support capable of vertical movement is installed on the horizontal movable support, and a tool mounting seat capable of rotating around the vertical axis is installed on the vertical movable support , a processing tool capable of rotating around a horizontal axis is installed on the tool mounting seat. The utility model can automatically engrave patterns on the surface of a spherical workpiece, and process it into a hydrangea-like structure. The carved patterns can be spread all over the surface of the workpiece, and the three-dimensional effect is strong. The utility model is suitable for processing gold and silver, pearls, precious stones, wood, fruit stones, etc., and can realize automatic processing and high work efficiency.

Description

Hydrangea engraving machine

technical field

The utility model relates to a hydrangea engraving machine.

Background technique

Ball-shaped jewelry accessories usually need to be engraved with patterns on their surface to form a hydrangea-like structure to improve the beauty of jewelry. These jewelry accessories with patterns can be made into necklaces, bracelets, etc. At present, most of the work of carrying out surface engraving on spherical jewelry accessories is done manually. Manual engraving takes up more manpower, lower production efficiency, and greatly increases production costs. In view of the problems referred to above, it is necessary to design a hydrangea engraving machine capable of engraving the surface of spherical jewelry accessories.

Utility model content

The technical problem to be solved by the utility model is to provide a hydrangea engraving machine capable of automatically engraving on the surface of a spherical workpiece, so as to reduce the occupation of manpower and improve work efficiency.

In order to solve the above-mentioned technical problems, the utility model includes a frame, which is characterized in that the frame is provided with a workpiece clamping device, the frame is provided with a mounting bracket, and the mounting bracket is provided with a workpiece processing device; the workpiece clamping device It includes two first fixture mounts that are arranged on the frame and can be relatively close to and away from under the drive of the power device. The first clamp mount is equipped with a first push rod that can rotate under the drive of the power device. The first ejector rods are coaxial and oppositely arranged; the workpiece processing device includes a horizontally movable support that can move laterally under the drive of the power device on the mounting bracket. The vertical movable support that moves in the direction, the tool mounting seat that can rotate around the vertical axis under the drive of the power device is installed on the vertical movable support, and the tool mounting seat is equipped with a Rotating machining tool. The spherical workpiece is placed in the working position of the workpiece clamping device, the two first fixture mounting seats are close to each other, and the two first ejector pins are pushed against both sides of the workpiece, thereby fixing the workpiece. The angle of the workpiece can be changed by the rotation of the first push rod, so the peripheral surface of the workpiece can be processed around the rotation axis of the first push rod. The power device drives the processing tool to rotate to process the workpiece fixed by the workpiece clamping device, and process patterns on the surface of the workpiece by removing material. The processing tool can move vertically with the vertical movable support to change the feed rate of the processing tool, the processing tool can move laterally with the horizontal movable support, and the processing tool can rotate around the vertical axis with the tool mounting seat driven by the power device Set the angle to change the processing position and processing angle of the processing tool. With the rotation of the first ejector rod, the processing tool can perform three-dimensional engraving on the surface of the workpiece to process different styles of patterns with a strong three-dimensional effect.

The first fixture mounting seat is slidably installed on the frame, the first fixture mounting seat is provided with a first lead screw nut, and the frame is equipped with a first driving screw that can rotate under the drive of the power device. The driving lead screw passes through the inner holes of the first lead screw nuts on the two first fixture mounting seats, and the first drive lead screw has two sections of external threads with opposite rotation directions, and the two sections of external threads are respectively connected with the two first lead screw nuts. match the internal thread. The two first fixture mounting seats can be relatively close to or far away under the drive of the first driving screw, without the need for two sets of power devices, thus simplifying the structure of the product, the two first fixture mounting seats can move synchronously, and the two first tops The rod clamps the workpiece in the same working position every time.

The workpiece clamping device also includes two second fixture mounts that are arranged on the frame and can be relatively close to and away from under the drive of the power device, and the second fixture mounts are equipped with a device that can rotate under the drive of the power device The second ejector rods on the two second clamp mounting seats are arranged coaxially and oppositely, and the second ejector rods and the first ejector rods are arranged around a central point and arranged alternately. The two second ejector rods can clamp the workpiece from another direction. When the workpiece is fixed by the second ejector rod, the angle of the workpiece can be changed by the rotation of the second ejector rod, so the workpiece can be clamped around the rotation axis of the second ejector rod. For processing, the cooperation of the first ejector rod and the second ejector rod can carry out more comprehensive and three-dimensional processing on the surface of the workpiece.

The second push rod is perpendicular to the first push rod. It is easy to adjust the angle of the workpiece during processing.

The second fixture mount is slidably mounted on the frame, the second fixture mount is provided with a second lead screw nut, the frame is equipped with a second drive screw that can rotate under the drive of the power device, and the second The driving lead screw passes through the inner holes of the second lead screw nuts on the two second clamp mounting seats, and the second drive lead screw has two sections of external threads with opposite rotation directions, and the two sections of external threads are respectively connected with the two second lead screw nuts. match the internal thread. The two second fixture mounting seats can be relatively close or far away under the drive of the second driving screw without two sets of power devices, thus simplifying the structure of the product, the two second fixture mounting seats can move synchronously, and the two second tops The rod clamps the workpiece in the same working position every time.

The frame is provided with a feeding device, the feeding device includes a blanking device and a material conveying device arranged on the mounting bracket, the material output end of the blanking device is connected to the feeding end of the material conveying device, and the vertical movable support A workpiece pick-and-place device for transferring the material at the discharge end of the material conveying device to the workpiece clamping device is installed on the top. The blanking device, the material conveying device, and the workpiece pick-and-place device can respectively complete the work of blanking, material conveying, and placing the workpiece into the workpiece clamping device, realizing the automation of feeding and eliminating the process of manual loading, thus It can further save labor and improve work efficiency.

The blanking device includes a blanking body, the blanking body is sequentially provided with a material storage tank and a blanking roller installation cavity from top to bottom, and a blanking hole connected to the blanking roller installation cavity is provided in the material storage tank. The blanking machine body is provided with a discharge port connected to the installation cavity of the blanking roller. The blanking roller is installed in the installation cavity of the blanking roller. The falling material is brought into the holding tank at the discharge port. There are materials in the storage tank. When the blanking roller rotates until the storage tank is aligned with the blanking hole, the material falls into the storage tank through the blanking hole, and the blanking roller rotates until the storage tank faces downward. The material falls into the material conveying device through the discharge port. Since the capacity of the holding tank is fixed, a fixed number of workpieces will fall every time the blanking roller rotates, so that quantitative blanking can be realized.

The material conveying device includes a conveying body, in which a conveying roller installation chamber is provided, and a long strip-shaped conveying groove connected to the conveying roller installation chamber is arranged on the upper surface of the conveying body, and the conveying roller installation chamber is arranged side by side There are two rotatable conveying rollers, and the position where the two conveying rollers are close to each other is located under the conveying groove. After the material falls, it will be conveyed to the rear through the conveying trough. During the conveying process, the two conveying rollers rotate in the same direction, so the materials will be concentrated in the gap between the two conveying rollers and will be arranged one by one in order. Realize automatic arrangement and delivery in order.

The workpiece pick-and-place device includes a suction cup installation bracket mounted on a vertical movable support and capable of moving back and forth under the drive of a power device, and a vacuum suction cup is installed on the suction cup installation bracket. The vacuum suction cup can suck the workpiece from the discharge end of the material conveying device. The vacuum suction cup can move vertically with the vertical movable support, move horizontally with the horizontal movable support, and move back and forth with the suction cup mounting bracket, so that the workpiece can be placed in the The working position of the workholding device.

To sum up, the utility model can automatically engrave patterns on the surface of a spherical workpiece, and process it into a hydrangea-like structure. The engraved patterns can spread all over the surface of the workpiece, with a strong sense of three-dimensionality. The utility model is suitable for processing gold and silver, pearls, precious stones, wood, fruit stones, etc., and can realize automatic processing and high work efficiency.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of another angle of view of the utility model;

Fig. 3 is the structural representation of the workpiece clamping device in the utility model;

Fig. 4 is a structural schematic diagram of another perspective of the workpiece clamping device in the utility model;

Fig. 5 is the structural representation of the workpiece processing device in the utility model;

Fig. 6 is a structural schematic diagram of another perspective of the workpiece processing device in the present invention;

Fig. 7 is the structural representation of feeding device in the utility model;

Fig. 8 is a top view after Fig. 7 is rotated;

Fig. 9 is a structural schematic diagram of a blanking device and a material conveying device in the utility model;

Fig. 10 is a top view after rotation of Fig. 9;

Fig. 11 is a sectional view along line A-A in Fig. 10;

Fig. 12 is a cross-sectional view along line B-B in Fig. 11 .

Detailed ways

Referring to Fig. 1 to Fig. 6, the hydrangea engraving machine includes a frame 1, on which a workpiece clamping device is arranged, on which the frame 1 is provided with a mounting bracket 4, on which the mounting bracket 4 is provided with a workpiece processing device.

Referring to Fig. 3 and Fig. 4, the workpiece clamping device includes two first fixture mounts 2 that are arranged on the frame 1 and can be relatively close to and far away from the drive of the power device. The first push rod 3 rotates under the drive of the power device, and the two first push rods 3 are coaxial and oppositely arranged. In order to drive the two first clamp mounting bases 2, the first clamp mounting base 2 in this embodiment is slidably mounted on the frame 1, and the first clamp mounting base 2 is provided with a first lead screw nut 9, and the frame 1 The first driving screw 10 that can rotate under the drive of the power unit is installed on the top, the first driving screw 10 passes through the inner holes of the first leading screw nut 9 on the two first clamp mounts 2, the first driving screw 10 has two sections of external threads with opposite directions, and the two sections of external threads are respectively matched with the internal threads of the two first lead screw nuts 9 . The workpiece clamping device also includes two second clamp mounts 11 that are arranged on the frame 1 and can be relatively close to and away from under the drive of the power device. Rotating second push rods 12, the second push rods 12 on the two second fixture mounts 11 are coaxial and oppositely arranged, the second push rods 12 and the first push rods 3 are arranged around a center point and arranged alternately, the second The two push rods 12 are located on the same level as the first push rod 3 and are perpendicular to each other. The second clamp mounting base 11 is slidingly installed on the frame 1, the second clamp mounting base 11 is provided with a second lead screw nut 13, and the frame 1 is equipped with a second driving screw that can rotate under the drive of the power unit 14. The second driving screw 14 passes through the inner holes of the second screw nuts 13 on the two second clamp mounts 11. The second driving screw 14 has two sections of external threads with opposite rotation directions. The two sections of external threads are respectively It matches the internal threads of the two second lead screw nuts 13 .

Referring to Fig. 5 and Fig. 6, the workpiece processing device includes a lateral movable support 5 which is arranged on the mounting bracket 4 and can move laterally under the drive of the power device. To the vertical movable bearing 6 that moves. The vertical movable support 6 is equipped with a tool mount 7 that can rotate around the vertical axis under the drive of the power device, and the tool mount 7 is equipped with a processing tool 8 that can rotate around the horizontal axis under the drive of the power device. The processing tool 8 may be a milling cutter, a grinding wheel, or the like. In order to realize the lateral movement of the laterally movable support 5, a horizontally arranged slide rail is installed on the mounting bracket 4, and a slide seat is provided on the laterally movable support 5, and the slide seat cooperates with the slide rail, and the laterally movable support 5 can slide laterally , the third lead screw nut 29 is arranged on the lateral movable support 5, the third drive lead screw 30 driven by the power machine is installed on the mounting bracket 4, the third drive lead screw 30 is compatible with the thread of the third lead screw nut 29 Matching, the third driving screw 30 can drive the lateral movable support 5 to move laterally when rotating under the drive of the power machine.

In order to realize the vertical movement of the vertical movable support 6, a vertically arranged slide rail is installed on the horizontal movable support 5, and a slide seat is provided on the vertical movable support 6, and the slide seat cooperates with the slide rail to vertically The movable support 6 can slide vertically, the vertical movable support 6 is provided with a fourth lead screw nut 31, the fourth drive screw 32 driven by the power machine is installed on the horizontal movable support 5, the fourth drive screw 32 The external thread of the external thread is compatible with the internal thread of the fourth lead screw nut 31, and the fourth drive lead screw 32 can drive the vertical movable support 6 to move vertically when rotating under the drive of the power machine. In this embodiment, the power devices used to drive the first driving screw 10 , the second driving screw 14 , the third driving screw 30 , and the fourth driving screw 32 are all servo motors. In this embodiment, the power device used to drive the tool mounting seat 7 to rotate includes a servo motor mounted on the movable support 6, the tool mounting seat 7 is connected with a rotating shaft, and the rotating shaft is rotatably installed on the vertical movable support through the bearing seat. On the seat 6, a synchronous belt pulley is respectively installed on the power output shaft of the rotating shaft and the servo motor, and the two synchronous belt pulleys are driven by the synchronous belt. In this embodiment, the power device for driving the processing tool 8 to rotate includes a motor installed on the tool mounting seat 7, the processing tool 8 is connected with a rotating shaft, and the rotating shaft is rotatably installed on the tool mounting seat 7 through a bearing seat, and the rotating shaft A pulley is respectively installed on the power output shaft of the motor and the electric motor, and the two pulleys are driven by a belt.

The working method of the hydrangea engraving machine is as follows: the spherical workpiece is placed in the working position of the workpiece clamping device, the two first fixture mounting seats 2 are close to each other, and the two first ejector rods 3 are pushed against the two sides of the workpiece, so that the workpiece fix. When the two second fixture mounts 11 are close to each other, the two second ejector rods 12 can also be fixed on the other two sides of the workpiece. When two first push rods 3 are used to fix the workpiece, the angle of the workpiece can be changed by the rotation of the first push rod 3, so the peripheral surface of the workpiece can be processed around the rotation axis of the first push rod 3. When the workpiece is fixed by the second push rod 12 , the angle of the workpiece can be changed by the rotation of the second push rod 12 , so the workpiece can be processed around the rotation axis of the second push rod 12 . Since the first push rod 3 and the second push rod 12 can both fix the workpiece and change the angle at which the workpiece is processed, the hydrangea engraving machine can process each surface of the spherical workpiece. The power device drives the processing tool 8 to rotate to process the workpiece fixed by the workpiece clamping device, and process patterns on the surface of the workpiece by removing material. The processing tool 8 can move vertically with the vertical movable support 6 to change the feed rate of the processing tool 8 . The processing tool 8 can move laterally with the lateral movable support 5, and the processing tool 8 can rotate around the vertical axis to set an angle with the tool mounting seat 7 under the drive of the power device, thereby changing the processing position and processing angle of the processing tool 8. With the rotation of the first ejector rod 3 or the second ejector rod 12, the processing tool 8 can perform three-dimensional engraving on the surface of the workpiece, and process patterns of different styles with a stronger three-dimensional effect.

In order to further improve work efficiency, a feeding device is provided on the frame 1 . Referring to Fig. 1, Fig. 2 and Fig. 7 to Fig. 12, the feeding device includes a blanking device and a material conveying device arranged on the mounting bracket 4, and the material output end of the blanking device is connected to the feeding end of the material conveying device, vertically A workpiece pick-and-place device for transferring the material at the discharge end of the material conveying device to the workpiece clamping device is installed on the movable support 6 .

Referring to Fig. 7 to Fig. 12, the blanking device includes a blanking machine body 17, and the blanking machine body 17 is provided with a material storage tank 18 and a blanking roller installation cavity 19 in sequence from top to bottom, and the material storage tank 18 is provided with a connecting drop. The blanking hole 20 of the material roller installation chamber 19, the blanking machine body 17 is provided with the discharge port 21 connected to the blanking roller installation chamber 19, the blanking roller 22 is installed in the blanking roller installation chamber 19, and The side of the material turning roller 22 is provided with a holding groove 29 which can bring the material falling from the material drop hole 20 into the discharge port 21 during the rotation process. The material conveying device comprises a conveying body 23, which is provided with a conveying roller installation chamber 24, the upper surface of the conveying body 23 is provided with a strip-shaped conveying groove 25 communicating with the conveying roller installing chamber 24, and the conveying roller installing chamber Two rotatable conveying rollers 26 are arranged side by side in 24 , and the position where the two conveying rollers 26 are close to each other is located below the conveying trough 25 . The workpiece pick-and-place device includes a suction cup installation bracket 28 that is installed on the vertical movable support 6 and can move forward and backward under the drive of the power unit. The suction cup installation bracket 28 is equipped with a vacuum suction cup 27 . In this embodiment, the power device used to drive the blanking roller 22 to rotate is a servo motor, the power device used to drive the conveying roller 26 to rotate is a motor, and the power device used to drive the suction cup mounting bracket 28 to move back and forth is an electric pusher. pole.

The working method of the feeding device is as follows: there is material contained in the material storage tank 18, and when the blanking roller 22 rotates until the storage tank 29 is aligned with the blanking hole 20, the material falls into the storage tank 29 through the blanking hole 20 , the blanking roller 22 rotates until the holding groove 29 faces downward, and the material in the holding groove 29 falls into the material conveying device through the discharge port 21. Since the capacity of the holding groove 29 is fixed, the blanking roller 22 rotates once a week. , there will be a fixed number of materials falling, which can achieve quantitative blanking. After the material falls, it will be conveyed to the rear through the conveying trough 25. During the conveying process, the two conveying rollers 26 rotate in the same direction, so the materials will be concentrated in the gap between the two conveying rollers 26 and will be pressed one by one. Sequence arrangement, automatic arrangement, delivery in order. Vacuum suction cup 27 can suck workpiece from the material input end of material conveying device, and vacuum suction cup 27 can move laterally with horizontal movable support 5, also can move vertically with vertical movable support 6, and vacuum suction cup 27 can also be installed bracket with suction cup 28 moves back and forth, thereby the workpiece is put into the working position of the workpiece clamping device.

The servo motors, motors, and electric push rods mentioned above are all connected to the control circuit of the hydrangea engraving machine. The control circuit can control the actions of the servo motors, motors, and electric push rods to improve the automation of workpiece processing.

To sum up, the utility model is not limited to the above specific embodiments. Those skilled in the art can make some changes and modifications without departing from the spirit and scope of the present utility model, and all these changes should fall within the protection scope of the present utility model.

Claims (9)

1. A hydrangea engraving machine, comprising a frame (1), characterized in that the frame (1) is provided with a workpiece clamping device, the frame (1) is provided with a mounting bracket (4), and the mounting bracket (4) is equipped with a workpiece processing device; the workpiece clamping device includes two first fixture mounting seats (2) that are arranged on the frame (1) and can be relatively close to and far away from the drive of the power device, the first fixture The first ejector rod (3) which can rotate under the drive of the power device is installed on the mounting base (2), and the two first ejector rods (3) are coaxial and oppositely arranged; the workpiece processing device includes a mounting bracket (4) The horizontal movable support (5) on the top can move horizontally under the drive of the power device, and the vertical movable support (6) that can move vertically under the drive of the power device is installed on the horizontal movable support (5). The vertical movable support (6) is equipped with a tool mount (7) that can rotate around the vertical axis under the drive of the power device, and the tool mount (7) is equipped with a tool mount that can rotate around the horizontal axis under the drive of the power device. Rotating machining tool (8). 2. The hydrangea engraving machine according to claim 1, characterized in that the first fixture mount (2) is slidably mounted on the frame (1), and the first fixture mount (2) is provided with a first The lead screw nut (9), the frame (1) is equipped with a first drive screw (10) that can rotate under the drive of the power unit, and the first drive screw (10) passes through the two first clamp mounting seats ( 2) On the inner hole of the first screw nut (9), the first driving screw (10) has two sections of external threads with opposite rotation directions, and the two sections of external threads are respectively connected with the two first screw nuts (9) match the internal thread. 3. The hydrangea engraving machine according to claim 1, characterized in that the workpiece clamping device also includes two second ones that are arranged on the frame (1) and can be relatively close and far away under the drive of the power device. Fixture mount (11), the second pushrod (12) that can rotate under the drive of the power device is installed on the second fixture mount (11), the second pushrod on the two second fixture mounts (11) (12) are arranged coaxially and oppositely, and the second push rods (12) and the first push rods (3) are arranged around a center point and arranged alternately. 4. The hydrangea engraving machine according to claim 3, characterized in that the second push rod (12) is perpendicular to the first push rod (3). 5. The hydrangea engraving machine according to claim 3, characterized in that the second fixture mount (11) is slidably mounted on the frame (1), and the second fixture mount (11) is provided with a second Lead screw nut (13), the frame (1) is equipped with the second driving screw (14) that can rotate under the drive of power unit, the second driving screw (14) passes through two second clamp mounts ( 11) On the inner hole of the second screw nut (13), the second driving screw (14) has two sections of external threads with opposite rotation directions, and the two sections of external threads are respectively connected with the two second screw nuts (13) match the internal thread. 6. The hydrangea engraving machine according to claim 1, characterized in that the frame (1) is provided with a feeding device, the feeding device includes a blanking device arranged on the mounting bracket (4), material conveying device, the material output end of the blanking device is connected to the feed end of the material conveying device, and the vertical movable support (6) is equipped with a workpiece pick-and-place device for transferring the material at the discharge end of the material conveying device to the workpiece clamping device. 7. The hydrangea engraving machine according to claim 6, characterized in that the blanking device includes a blanking body (17), and the blanking body (17) is sequentially provided with a material storage tank (18) from top to bottom 1. Blanking roller installation chamber (19), a blanking hole (20) connected to the blanking roller installation chamber (19) is provided in the trough (18), and a blanking hole (20) connected to the blanking roller installation chamber (19) is provided on the blanking body (17). The discharge opening (21) of the roller installation chamber (19), the blanking roller (22) is installed in the blanking roller installation chamber (19), and the side of the blanking roller (22) is provided with a rotating process. Bring the material falling from the material drop hole (20) into the accommodation groove (29) at the material outlet (21). 8. The hydrangea engraving machine according to claim 6, characterized in that the material conveying device includes a conveying body (23), the conveying body (23) is provided with a conveying roller installation cavity (24), and the conveying body (23 ) is provided with a strip-shaped conveying groove (25) connected to the conveying roller installation chamber (24), and two rotatable conveying rollers (26) are arranged side by side in the conveying roller installation chamber (24). The position where the conveying rollers (26) are close to each other is located below the conveying trough (25). 9. The hydrangea engraving machine according to claim 6, characterized in that the workpiece pick-and-place device includes a suction cup mounting bracket ( 28), a vacuum suction cup (27) is installed on the suction cup mounting bracket (28).