Fine carving device easy to clamp

Abstract

The utility model discloses a fine carving device easy to clamp, which belongs to the field of fine carving devices and comprises a machine tool, a first moving arm movably mounted on the machine tool, a second moving arm movably mounted on the first moving arm, a tool bit movably mounted on the second moving arm, and a workpiece movably mounted below the tool bit. A workpiece is movably installed on a machine tool through the clamping assembly, when the arranged clamping assembly, the first clamping rod and the second clamping rod extrude and fix the workpiece, a rubber pad makes contact with the surface of the workpiece, buffering protection is conducted on the workpiece, the surface of the workpiece is prevented from being scratched by hard objects, the first clamping rod movably shrinks in a containing pipe, and through compression of a first spring, the workpiece is clamped through the clamping assembly. The workpiece is buffered and protected again, the surface of the workpiece is not prone to being scratched and damaged in the workpiece clamping process, a stepping motor rotates a sliding sleeve through a second gear and a first gear, a connecting frame is made to turn over synchronously, and therefore the workpiece is turned over up and down without manual disassembly and assembly, time is saved, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of precision carving devices, in particular to a precision carving device which is easy to clamp. Background Art

[0002] Precision engraving machine is a kind of CNC machine tool. Metal precision engraving machine can perform non-contact cutting and punching on metal or non-metallic plates and pipes. It is particularly suitable for laser cutting of stainless steel plates, iron plates, silicon wafers, ceramic sheets, titanium alloys, epoxy, A3 steel, diamond and other materials;

[0003] In the prior art, a Chinese utility model patent with a public document number of CN207155327U discloses a clamping device for a precision engraving machine, which can use hydraulics as power and can make the pushing smooth and not prone to jamming. However, the workpiece is clamped by a movable block and a fixed block, which can easily cause scratches and damage to the surface of the workpiece, especially the workpiece with patterns on the surface. Moreover, the workpiece is clamped between the movable block and the fixed block. When it needs to be flipped up and down, it can only be flipped by manually disassembling and installing the workpiece, which is time-consuming and reduces work efficiency. Therefore, improvement is needed. Utility Model Content

[0004] The main purpose of the utility model is to provide an easy-to-clamp fine carving device, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An easy-to-clamp precision carving device comprises a machine tool, wherein a first movable arm is movably mounted on the machine tool, a second movable arm is movably mounted on the first movable arm, a tool head is movably mounted on the second movable arm, a workpiece is movably mounted at a position below the tool head, and the workpiece is movably mounted on the machine tool through a clamping assembly, the clamping assembly comprises a mounting frame, a hydraulic cylinder, a connecting frame, a storage tube, a sliding sleeve, a No. 1 clamping rod, a No. 2 limit block and a No. 2 clamping rod, the mounting frame is fixedly mounted on the machine tool, the hydraulic cylinder is fixedly connected to the upper position of the mounting frame, the two ends of the connecting frame are respectively fixedly mounted on the storage tube and the sliding sleeve, the sliding sleeve is movably mounted on the mounting frame, the No. 1 clamping rod and the No. 2 clamping rod are respectively movably mounted in the storage tube and the sliding sleeve, the No. 2 limit block is fixedly connected in the sliding sleeve, and the No. 2 limit block is movably mounted on the No. 2 clamping rod.

[0007] Preferably, the clamping assembly also includes a stepper motor, a first gear and a second gear, the stepper motor is fixedly connected to the lower position of the mounting frame, the first gear is fixedly connected to the output shaft of the stepper motor, the second gear is fixedly connected to the sliding sleeve, and the second gear is movably mounted on the first gear.

[0008] Preferably, the clamping assembly also includes a mounting plate, a No. 1 movable plate, a No. 1 spring, and a No. 2 bearing. The mounting plate is fixedly connected to the output shaft of the hydraulic cylinder, one end of the No. 2 clamping rod is movably mounted on the mounting plate through the No. 2 bearing, the No. 1 movable plate is fixedly connected to one end of the No. 1 clamping rod, the No. 1 movable plate and the No. 1 spring are movably mounted in the storage tube, and the No. 1 spring is located on the side of the No. 1 movable plate.

[0009] Preferably, the clamping assembly also includes a pressure plate and a rubber pad, the pressure plate is fixedly connected to the other end of the No. 1 clamping rod and the No. 2 clamping rod, the rubber pad is fixedly connected to the side position of the pressure plate, and the No. 1 clamping rod and the No. 2 clamping rod are squeezed and contacted with the workpiece through the pressure plate and the rubber pad.

[0010] Preferably, the clamping assembly further includes a No. 1 limit block and a No. 1 slide groove, the No. 1 limit block is fixedly connected to the No. 1 movable plate, the No. 1 slide groove is opened on the storage tube, and the No. 1 limit block is movably installed in the No. 1 slide groove.

[0011] Preferably, the clamping assembly further includes a No. 2 slide groove and a No. 1 bearing, the No. 2 slide groove is arranged on the No. 2 clamping rod, the No. 2 clamping rod is movably installed with the No. 2 limit block through the No. 2 slide groove, and the sliding sleeve is movably installed with the mounting frame through the No. 1 bearing.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, through the clamping assembly, when the No. 1 clamping rod and the No. 2 clamping rod squeeze and fix the workpiece, the rubber pad contacts the surface of the workpiece to provide buffering protection for the workpiece, preventing hard objects from scratching the surface of the workpiece. The No. 1 clamping rod moves and contracts in the storage tube, and the No. 1 spring is compressed to buffer and protect the workpiece again, so that the surface of the workpiece is not easily scratched or damaged during the clamping process.

[0014] In the utility model, through the provided clamping assembly, when it is necessary to flip the workpiece upside down and process the bottom surface of the workpiece, the stepper motor rotates the sliding sleeve through the second gear and the first gear, so that the connecting frame fixedly connected to the sliding sleeve flips synchronously, thereby flipping the workpiece upside down, and there is no need to manually disassemble and install the workpiece to achieve flipping, thereby saving time and improving work efficiency. 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 structural schematic diagram of the clamping assembly of the utility model;

[0017] Figure 3It is a structural schematic diagram of the connecting frame of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the mounting frame of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the second clamping rod of the utility model.

[0020] In the figure: 1, machine tool; 2, first moving arm; 3, second moving arm; 4, tool head; 5, workpiece; 6, clamping assembly; 601, mounting frame; 602, hydraulic cylinder; 603, stepping motor; 604, gear No. 1; 605, mounting plate; 606, connecting frame; 607, storage tube; 608, sliding sleeve; 609, clamping rod No. 1; 610, movable plate No. 1; 611, limit block No. 1; 612, spring No. 1; 613, slide slot No. 1; 614, gear No. 2; 615, limit block No. 2; 616, bearing No. 1; 617, bearing No. 2; 618, clamping rod No. 2; 619, slide slot No. 2; 620, pressure plate; 621, rubber pad. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1-Figure 4As shown, the fine carving device which is easy to clamp comprises a machine tool 1, a first movable arm 2 is movably mounted on the machine tool 1, a second movable arm 3 is movably mounted on the first movable arm 2, a cutter head 4 is movably mounted on the second movable arm 3, a workpiece 5 is movably mounted below the cutter head 4, the workpiece 5 is movably mounted on the machine tool 1 through a clamping assembly 6, the clamping assembly 6 comprises a mounting frame 601, a hydraulic cylinder 602, a connecting frame 606, a storage tube 607, a sliding sleeve 608, a No. 1 clamping rod 609, a No. 2 limit block 615 and a No. 2 clamping rod 618, the mounting frame 601 is fixedly mounted on the machine On the bed 1, the hydraulic cylinder 602 is fixedly connected to the upper position of the mounting frame 601, and the two ends of the connecting frame 606 are fixedly installed with the storage tube 607 and the sliding sleeve 608 respectively. The first clamping rod 609 and the second clamping rod 618 are movably installed in the storage tube 607 and the sliding sleeve 608 respectively. The clamping assembly 6 also includes a mounting plate 605, a first movable plate 610, a first spring 612, and a second bearing 617. The mounting plate 605 is fixedly connected to the output shaft of the hydraulic cylinder 602, and one end of the second clamping rod 618 is movably connected to the mounting plate 605 through the second bearing 617. Installation, the No. 1 movable plate 610 is fixedly connected to one end of the No. 1 clamping rod 609, the No. 1 movable plate 610 and the No. 1 spring 612 are movably installed in the storage tube 607, and the No. 1 spring 612 is located at the side of the No. 1 movable plate 610, the clamping assembly 6 also includes a pressing plate 620 and a rubber pad 621, the pressing plate 620 is fixedly connected to the No. 1 clamping rod 609 and the other end of the No. 2 clamping rod 618, the rubber pad 621 is fixedly connected to the side of the pressing plate 620, the No. 1 clamping rod 609 and the No. 2 clamping rod 618 are connected by the pressing plate 620 and the rubber pad The pad 621 and the workpiece 5 are in contact with each other by squeezing, and the workpiece 5 is located between the rubber pad 621 of the pressure plate 620. The rubber pad 621 prevents the pressure plate 620 from directly contacting the workpiece 5, protects the surface of the workpiece 5, and prevents the pressure plate 620 from scratching the workpiece 5. The hydraulic cylinder 602 slowly pushes, so that the workpiece 5 slowly moves to the side, and the No. 1 clamping rod 609 moves and contracts in the storage tube 607, and compresses the No. 1 spring 612 through the moving No. 1 movable plate 610, thereby providing buffer protection for the workpiece 5, so that the surface of the workpiece 5 is not easily scratched or damaged.

[0023] like Figure 1-Figure 4As shown, the sliding sleeve 608 is movably installed with the mounting frame 601, the No. 2 limit block 615 is fixedly connected in the sliding sleeve 608, and the No. 2 limit block 615 is movably installed with the No. 2 clamping rod 618, the clamping assembly 6 also includes a stepping motor 603, a No. 1 gear 604 and a No. 2 gear 614, the stepping motor 603 is fixedly connected to the lower position of the mounting frame 601, the No. 1 gear 604 is fixedly connected to the output shaft of the stepping motor 603, the No. 2 gear 614 is fixedly connected to the sliding sleeve 608, the No. 2 gear 614 is movably installed with the No. 1 gear 604, the clamping assembly 6 also includes a No. 1 limit block 611 and a No. 1 slide groove 613, the No. 1 limit block 611 is fixedly connected to the No. 1 movable plate 610, the No. 1 slide groove 613 is arranged on the storage tube 607, the No. 1 limit block 611 is movably installed in the No. 1 slide groove 613, the clamping assembly 6 also includes a No. 2 sliding The second slide groove 619 is arranged on the second clamping rod 618, and the second clamping rod 618 is movably installed with the second limit block 615 through the second slide groove 619. The sliding sleeve 608 is movably installed with the mounting frame 601 through the first bearing 616. The first clamping rod 609 is fixedly connected with the first movable plate 610. The first movable plate 610 is connected with the storage tube 601 through the first limit block 611 and the first slide groove 613. 7 restrict each other, so that the storage tube 607 and the No. 1 clamping rod 609 can rotate together, the No. 2 limit block 615 and the No. 2 slide groove 619 are installed with each other, so that the sliding sleeve 608 and the No. 2 clamping rod 618 restrict each other, and the sliding sleeve 608 and the No. 2 clamping rod 618 rotate synchronously. As the sliding sleeve 608 is driven by the No. 2 gear 614, the No. 1 clamping rod 609 and the No. 2 clamping rod 618 rotate together to realize the flipping of the workpiece 5.

[0024] It should be noted that the utility model is a precision engraving device that is easy to clamp. A mounting hole is provided on the mounting frame 601. The mounting frame 601 is fixedly connected to the workbench of the machine tool 1 through external bolts and other structures, and the workpiece 5 is suspended in the air. One side of the workpiece 5 contacts the rubber pad 621 of the No. 1 clamping rod 609, and the hydraulic cylinder 602 is started, so that the output shaft of the hydraulic cylinder 602 pushes the mounting plate 605 and the No. 2 clamping rod 618 to start. The No. 2 clamping rod 618 slides in the sliding sleeve 608, and the No. 2 slide groove 619 is connected with the No. 2 limit The blocks 615 slide against each other, so that the rubber pad 621 of the No. 2 clamping rod 618 contacts the other side of the workpiece 5, gradually pushing the workpiece 5 to the side, so that the workpiece 5 pushes the No. 1 clamping rod 609 to shrink in the storage tube 607, and the No. 1 movable plate 610 moves to the side in the storage tube 607, compressing the No. 1 spring 612, and the No. 1 limit block 611 slides in the No. 1 slide groove 613 synchronously. As the No. 1 spring 612 is gradually compressed, the reverse thrust of the No. 1 spring 612 on the No. 1 clamping rod 609 gradually increases, thereby The workpiece 5 is suspended and fixed, and the rubber pad 621 prevents the pressure plate 620 from directly contacting the workpiece 5, thereby protecting the surface of the workpiece 5. The first spring 612 provides buffer protection for the workpiece 5 by compression, thereby preventing the extrusion force from directly contacting the surface of the workpiece 5 and hitting the workpiece 5, thereby causing scratches and damage to the surface. The cutter head 4 processes the upper position of the workpiece 5. When the processing is completed and the workpiece 5 needs to be turned over, the stepper motor 603 is started, so that the first gear 604 and the second gear 614 are meshed and rotated with each other, so that the sleeve 608 passes through The No. 1 bearing 616 rotates on the mounting frame 601, and the connecting frame 606 and the receiving tube 607 rotate synchronously, so that the receiving tube 607 passes through the No. 1 slide groove 613 and the No. 1 limit block 611, so that the No. 1 clamping rod 609 rotates synchronously, and the sliding sleeve 608 limits the No. 2 clamping rod 618 to rotate synchronously through the No. 2 limit block 615 and the No. 2 slide groove 619, and the No. 2 clamping rod 618 rotates on the mounting plate 605 through the No. 2 bearing 617, thereby making the workpiece 5 flipped up and down, making it more convenient to flip the workpiece 5 and improving work efficiency.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. It is only a preferred embodiment of the utility model, and its description is more specific and detailed, but it cannot be understood as limiting the scope of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The embodiments can be changed, modified, replaced and deformed without departing from the principle and purpose of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An easy-to-clamp fine carving device, comprising a machine tool (1), a first movable arm (2) movably mounted on the machine tool (1), a second movable arm (3) movably mounted on the first movable arm (2), a cutter head (4) movably mounted on the second movable arm (3), a workpiece (5) movably mounted below the cutter head (4), characterized in that: The workpiece (5) is movably mounted on the machine tool (1) via a clamping assembly (6); the clamping assembly (6) comprises a mounting frame (601), a hydraulic cylinder (602), a connecting frame (606), a storage tube (607), a sliding sleeve (608), a first clamping rod (609), a second limit block (615) and a second clamping rod (618); the mounting frame (601) is fixedly mounted on the machine tool (1); the hydraulic cylinder (602) is fixedly connected to the upper portion of the mounting frame (601). The two ends of the connecting frame (606) are respectively fixedly installed with the storage tube (607) and the sliding sleeve (608), the sliding sleeve (608) and the mounting frame (601) are movably installed, the No. 1 clamping rod (609) and the No. 2 clamping rod (618) are respectively movably installed in the storage tube (607) and the sliding sleeve (608), the No. 2 limit block (615) is fixedly connected in the sliding sleeve (608), and the No. 2 limit block (615) and the No. 2 clamping rod (618) are movably installed.

2. The easy-to-hold fine carving device according to claim 1 is characterized in that: The clamping assembly (6) further comprises a stepping motor (603), a first gear (604) and a second gear (614); the stepping motor (603) is fixedly connected to the lower position of the mounting frame (601); the first gear (604) is fixedly connected to the output shaft of the stepping motor (603); the second gear (614) is fixedly connected to the sliding sleeve (608); and the second gear (614) is movably mounted on the first gear (604).

3. The easy-to-hold fine carving device according to claim 2 is characterized in that: The clamping assembly (6) further comprises a mounting plate (605), a No. 1 movable plate (610), a No. 1 spring (612), and a No. 2 bearing (617); the mounting plate (605) is fixedly connected to the output shaft of the hydraulic cylinder (602); one end of the No. 2 clamping rod (618) is movably mounted on the mounting plate (605) via the No. 2 bearing (617); the No. 1 movable plate (610) is fixedly connected to one end of the No. 1 clamping rod (609); the No. 1 movable plate (610) and the No. 1 spring (612) are movably mounted in the storage tube (607), and the No. 1 spring (612) is located on the side of the No. 1 movable plate (610).

4. The easy-to-hold fine carving device according to claim 3 is characterized in that: The clamping assembly (6) further comprises a pressure plate (620) and a rubber pad (621), wherein the pressure plate (620) is fixedly connected to the other end of the No. 1 clamping rod (609) and the No. 2 clamping rod (618), and the rubber pad (621) is fixedly connected to the side of the pressure plate (620), and the No. 1 clamping rod (609) and the No. 2 clamping rod (618) are in mutual extrusion contact with the workpiece (5) via the pressure plate (620) and the rubber pad (621).

5. The easy-to-hold fine carving device according to claim 4 is characterized in that: The clamping assembly (6) further comprises a No. 1 limit block (611) and a No. 1 slide groove (613), wherein the No. 1 limit block (611) is fixedly connected to the No. 1 movable plate (610), the No. 1 slide groove (613) is provided on the storage tube (607), and the No. 1 limit block (611) is movably installed in the No. 1 slide groove (613).

6. The easy-to-hold fine carving device according to claim 5, characterized in that: The clamping assembly (6) further comprises a No. 2 slide groove (619) and a No. 1 bearing (616), wherein the No. 2 slide groove (619) is arranged on a No. 2 clamping rod (618), the No. 2 clamping rod (618) is movably mounted on the No. 2 slide groove (619) and the No. 2 limit block (615), and the sliding sleeve (608) is movably mounted on the mounting frame (601) through the No. 1 bearing (616).

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