CN107020871B

CN107020871B - Engraving machine

Info

Publication number: CN107020871B
Application number: CN201710464649.2A
Authority: CN
Inventors: 吴善旺
Original assignee: Yuhuan Shenghongfa Cnc Engraving Equipment Co ltd
Current assignee: Yuhuan Shenghongfa Cnc Engraving Equipment Co ltd
Priority date: 2017-06-19
Filing date: 2017-06-19
Publication date: 2023-07-07
Anticipated expiration: 2037-06-19
Also published as: CN107020871A

Abstract

The invention provides an engraving machine, and belongs to the technical field of machinery. It has solved the problem that current engraver precision reduces in the use. The engraving machine comprises a frame and a cross beam, wherein the cross beam is connected with a cross supporting plate, a vertical supporting plate and a cutter frame, the frame is also connected with a working platform, the working platform is also provided with two supporting beams, two ends of a positioning beam are respectively connected with the two supporting beams in a sliding mode, the front part and the rear part of the working platform are respectively provided with a socket formed by a supporting body, two ends of the supporting beams are respectively inserted into the socket, a gap is reserved between the supporting beams and the inner side surface of the socket, at least four fixing pieces are connected onto the supporting body, wherein the at least two fixing pieces are respectively positioned on two lateral sides of the supporting beam and can transversely lock and fix the supporting beam, and the at least two fixing pieces are respectively positioned on the upper side and the lower side of the supporting beam and can vertically lock and fix the supporting beam. The locating beam of the engraving machine moves more stably and smoothly.

Description

Engraving machine

Technical Field

The invention belongs to the technical field of machinery, and relates to an engraving machine.

Background

The carving is a drilling and milling combined processing in principle, and has wide application range, such as woodworking carving machines, laser carving machines, advertisement carving machines, jade carving machines, stone carving machines, cylindrical carving machines and the like. The engraving machine has a very wide application range, even replaces the manual engraving technology, and lays a foundation for mass and rapid production of products.

The Chinese patent application (application number: 201310509701.3) discloses a three-dimensional engraving machine, which comprises a frame and a workbench, wherein a cross beam is arranged above the workbench, a cutter frame is arranged on the side part of the cross beam, a transverse carriage is arranged on the side surface of the cross beam, a vertical carriage capable of moving reciprocally in the vertical direction is arranged on the transverse carriage, a bearing seat is fixed on the vertical carriage, the cutter frame is connected with the bearing seat through a bearing, a guide rail is fixedly connected on the workbench, the center seat is slidably connected on the guide rail, the workpiece has larger weight due to the fact that the center seat needs to position the workpiece, the weight acts on the workbench, a plurality of workpieces need to be born in a rectangular frame shape of the workbench, deformation easily occurs in the long-term use process, the current guide rail is directly fixed on the workbench, and when the workbench deforms, the parallelism of the two guide rails and the levelness of each guide rail deviate, so that the movement of the center seat is blocked.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an engraving machine which can solve the problem of precision reduction in the use process and prolong the service life.

The aim of the invention can be achieved by the following technical scheme: the utility model provides an engraver, includes the frame and fixes the crossbeam in the frame, be connected with horizontal layer board, the vertical layer board and the tool holder that can reciprocate on the crossbeam, still be connected with in the frame and be the frame shape and can reciprocate the work platform, be equipped with a plurality of centre gripping subassemblies including the top on the work platform, the top is connected on a transversely setting's locating beam, its characterized in that, still be equipped with two supporting beams that set up along the fore-and-aft direction on the work platform, the both ends of locating beam respectively with two supporting beams sliding connection, work platform's front portion and rear portion all have the socket that forms by the supporter, peg graft respectively in the socket of work platform front portion and rear portion at the both ends of supporting beam, have the clearance that is used for supporting beam transverse and vertical movement adjustment between supporting beam and the socket medial surface, be connected with four at least mounting on the supporter, wherein two mounting are located the supporting beam transverse both sides respectively and can lock a supporting beam and fix the supporting beam transversely, two mounting are located the upper and lower both sides and can lock a supporting beam with locking respectively.

The transverse direction of frame is width direction, can realize the regulation of cutter frame transverse direction and vertical position through cross-bracing board and perpendicular layer board, a set of clamping assembly centre gripping location a columnar work piece, make a plurality of work pieces arrange along the transverse direction of frame in proper order, consequently, the locating beam has great length, need remove the locating beam earlier when carrying out the centre gripping to the work piece, make top on the locating beam be close to the tip of work piece, the parallelism between two supporting beams and the two guide rails at this moment directly decides the smooth and easy degree and the stationarity when locating beam removes, two supporting beams are fixed on this work platform for this reason, the length direction of these two supporting beams sets up along the frame fore-and-aft direction, can play the reinforcement to the structural strength of frame work platform, avoid the deformation etc. to lead to the locating beam to remove unsmoothly or the phenomenon during long-term use, further, the both ends of supporting beam support respectively through two supporting beams have the clearance between supporting beams and the socket inner wall, consequently, even the top on long-term use in the work platform deformation, also can be through the position adjustment supporting beam of adjustment support beam, the position of a supporting beam, concrete, can be located the both sides can be adjusted the horizontal position, can be adjusted smoothly through the supporting beam, can be located on the both sides, and the parallel and can be adjusted in the horizontal position adjustment of the end, can be guaranteed, and the parallel and can be guaranteed.

In the engraving machine, the supporting body is rectangular frame-shaped, the supporting body is fixed on the inner side surface of the working platform through screws, and the area inside the supporting body is the jack. The support body is integral, has higher structural strength, and simultaneously the socket formed by the support body is rectangular, so that the position of the fixing piece is reasonably distributed, the support beam is locked and fixed in all directions, the stability of the support beam is improved, and further the positioning Liang Shunchang and stable movement are guaranteed.

In the engraving machine, the supporting body comprises four supporting blocks, the four supporting blocks are fixed on the inner side face of the working platform through screws, two supporting blocks are distributed transversely, the other two supporting blocks are distributed vertically, and the area in the middle of the four supporting blocks is the jack. The support body is split type and consists of four support blocks, the four support blocks are distributed annularly to form a socket, and when the end part of the support beam is inserted into the socket, the four support blocks are distributed on four side surfaces of the support beam, so that the support beam can be locked and fixed stably.

In the engraving machine, the fixing piece is a fixing bolt, the supporting body is provided with a screw hole, the fixing bolt is in threaded connection with the screw hole, and the end part of the fixing bolt can extend into the inserting opening and is propped against the side surface of the supporting beam. The fixing bolt is adjusted through the rotation, the operation is more convenient, the fixing bolt is used for locking and fixing, the stability is higher, a nut can be adopted for a fixing piece in the actual machining process, namely, a stud is welded on the inner side surface of the support body, the nut is in threaded connection with the stud, and the support beam is compressed through the nut.

In the engraving machine, the socket is provided with two horizontal inner side surfaces and two vertical inner side surfaces, at least two fixing bolts are connected to each side surface in a threaded mode, the fixing bolts on the horizontal side surfaces are arranged in the transverse direction, the fixing bolts on the vertical side surfaces are arranged in the vertical direction, the fixing bolts on the horizontal side surfaces of the supporting body are axially and vertically arranged, and the fixing bolts on the vertical side surfaces are axially and transversely arranged. The support beam supports the positioning beam, and the positioning beam clamps a plurality of workpieces, and meanwhile, the workpieces can rotate in the engraving process, so that the support beam can receive larger and directional variable acting force, at least two fixing bolts are required to be screwed on each side surface of the support body, at least two fixing bolts on the lower horizontal side surface are arranged transversely, the support beam can be stably supported, and at least two fixing bolts on other side surfaces stably lock the support beam, so that the support beam is ensured to be stable under the complex acting force; further, as each side is provided with at least two fixing bolts, the levelness of the supporting beam in the width direction can be adjusted by adjusting the different heights of the fixing bolts, and further, the sliding fit between the positioning beam and the supporting beam is ensured to be smoother and stable.

In the engraving machine, the working platform is rectangular and comprises two transverse rods arranged transversely and two longitudinal rods arranged in the front-back direction, and the supporting body is fixed on the inner side face of the transverse rods. The work platform needs to move back and forth to match with the sculpture of work piece, adopts frame-shaped structure can reduce weight, but also weakens structural strength simultaneously, fixes the both ends of supporting beam on the medial surface of horizontal pole for this reason, can support two horizontal poles to improve work platform's structural strength, avoid appearing deformation.

In the engraving machine, the end faces of the two ends of the supporting beam are respectively propped against the inner side faces of the two cross bars. The end face of the supporting beam is propped against the inner side face of the cross rod, so that the two cross rods are supported and positioned, the structural strength of the working platform is improved, and the working platform plays a role in positioning and restraining the supporting beam, so that the supporting beam is kept stable.

In the engraving machine, the cross section of the supporting beam is rectangular, the upper side face of the supporting beam is fixedly connected with the guide rail along the length direction, the lower side faces of the two ends of the positioning beam are fixedly connected with the adjusting cushion blocks, the lower side faces of the adjusting cushion blocks are fixedly connected with the sliding blocks, and the sliding blocks are slidably connected onto the guide rail. The parallelism and the levelness of the two guide rails are guaranteed through the supporting beam, so that the matching between the sliding blocks and the guide rails is smoother and more stable, and meanwhile, the height and the levelness of the positioning beam can be adjusted through selecting adjusting cushion blocks with different heights, so that the positioning beam is more stable in positioning of workpieces. .

In the engraving machine, the end faces of the two ends of the guide rail are respectively abutted against the end faces of the two supporting bodies. The support body can fix a position the constraint to the guide rail for the guide rail remains stable, of course also more stable at the support body under the support of guide rail and the connection of diaphragm rod.

In the engraving machine, the positioning beam is fixedly connected with the positioning block at the side part of the sliding block, the positioning block is inserted with the positioning bolt, the upper side surface of the supporting beam is provided with a plurality of positioning screw holes along the length direction, and the lower end of the positioning bolt can be screwed into the positioning screw holes. When clamping a workpiece, the positioning beam is moved firstly, so that the center on the positioning beam is close to the end part of the workpiece, and the positioning bolt is screwed into the positioning screw hole at the moment, thereby locking the positioning beam and improving the stability of workpiece clamping.

Compared with the prior art, the engraving machine has the following advantages:

1. the parallelism of the two support beams can be adjusted through the fixing bolts positioned on the two transverse sides of the support beams, and the levelness of the support beams can be adjusted through the fixing bolts positioned on the upper side and the lower side of the support beams, so that the two support beams are positioned on the same horizontal plane and kept parallel through adjustment, the moving precision of the positioning beams is ensured, and the positioning beams can smoothly and stably move in the long-term use process, and the service life is prolonged.

2. Because the supporting beam is fixed between two crossbars, and the terminal surface of supporting beam offsets with the horizontal pole side and leans on, consequently can play the reinforcing to frame work platform's structural strength, avoid long-term in-process work platform to appear warping and lead to the phenomenon that the locating beam removed unsmoothly or unstably.

3. Because each side is provided with at least two fixing bolts, the levelness of the supporting beam in the width direction can be adjusted by adjusting the different heights of the fixing bolts, and further, the sliding fit between the positioning beam and the supporting beam is ensured to be smoother and more stable.

4. Because the horizontal side below the support body is provided with at least two fixing bolts which are transversely arranged, the support beam can be stably supported, and the support beam is ensured to be stable under complex acting force.

Drawings

Fig. 1 is a schematic perspective view of an engraving machine.

Fig. 2 is a structural top view of the engraving machine.

Fig. 3 is an enlarged view of the structure at a in fig. 1.

Fig. 4 is an enlarged view of the structure at B in fig. 1.

Fig. 5 is a cross-sectional view of the structure at C-C in fig. 2.

Fig. 6 is an enlarged view of the structure at E in fig. 5.

Fig. 7 is a cross-sectional view of the structure at D-D in fig. 2.

Fig. 8 is an enlarged view of the structure at F in fig. 7.

Fig. 9 is a schematic structural view of a support body in the second embodiment.

Fig. 10 is a schematic diagram of a connection structure between a support shaft and a support body in the third embodiment.

In the figure, 1, a rack; 2. a cross beam; 21. a transverse supporting plate; 22. a vertical supporting plate; 23. a cutter holder; 24. carving the tool bit; 3. a working platform; 31. a cross bar; 32. a longitudinal bar; 4. a clamping assembly; 41. a claw disk; 42. a center; 5. positioning a beam; 51. a slide block; 52. a positioning block; 53. positioning bolts; 54. adjusting the cushion block; 6. a support beam; 61. a guide rail; 62. positioning screw holes; 7. a support body; 71. a socket; 72. a screw hole; 73. a support block; 8. a fixing bolt; 9. a connecting seat; 10. a cylindrical guide rail.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

Embodiment one:

as shown in fig. 1, an engraving machine comprises a frame 1, wherein the width direction of the frame 1 is transverse, a cross beam 2 is fixedly connected to the frame 1, the cross beam 2 is arranged along the width direction of the frame 1, a cross support plate 21 is connected to the cross beam 2 in a sliding manner along the transverse direction, a vertical support plate 22 is connected to the cross support plate 21 in a sliding manner along the vertical direction, a cutter frame 23 is fixedly connected to the vertical support plate 22, the cutter frame 23 is in a strip shape, and a plurality of engraving cutter heads 24 facing downwards are connected to the cutter frame 23 along the length direction. As shown in fig. 2, the frame 1 is further slidably connected with a working platform 3, the working platform 3 is located below the tool rack 23, the working platform 3 can move along the front-back direction of the frame 1, the working platform 3 is in a rectangular frame shape, two supporting beams 6 and a positioning beam 5 are arranged on the working platform 3, two supporting beams 6 are fixed on the working platform 3, the length direction of the supporting beams 6 is set along the front-back direction of the frame 1, the cross section of the supporting beams 6 is rectangular, guide rails 61 are fixedly connected on the upper side surface of the supporting beams 6 along the length direction, adjusting cushion blocks 54 are fixedly connected on the lower side surfaces of the two end lower side surfaces of the positioning beams 5, sliding blocks 51 are respectively slidably connected on the two guide rails 61, positioning blocks 52 are fixedly connected on the lower side surfaces of the adjusting cushion blocks 54, the positioning blocks 52 are located on the side parts of the sliding blocks 51, positioning bolts 53 are inserted on the positioning blocks 52, a plurality of positioning bolt holes 62 are formed on the upper side surfaces of the supporting beams 6 along the length direction, and the lower ends of the positioning bolts 53 can be screwed into the positioning bolt holes 62. The working platform 3 is provided with a plurality of groups of clamping assemblies 4, the groups of clamping assemblies 4 are arranged along the width direction, each group of clamping assemblies 4 comprises a claw disc 41 and a center 42, the claw disc 41 is connected to the working platform 3, the center 42 is connected to the positioning beam 5, and the claw disc 41 and the center 42 respectively act on two ends of a columnar workpiece to clamp the workpiece.

Specifically, the working platform 3 includes two cross bars 31 and two vertical bars 32, the cross bars 31 are transversely arranged, the vertical bars 32 are longitudinally arranged, two supporting bodies 7 are fixedly connected to the inner side surface of the cross bars 31, the two supporting bodies 7 are symmetrically arranged relative to the central line of the working platform 3, the supporting bodies 7 are integrated and rectangular frame-shaped and are fixedly connected with the cross bars 31 through screws, the area inside the supporting bodies 7 forms a socket 71, the socket 71 is provided with two horizontal inner side surfaces and two vertical inner side surfaces, two screw holes 72 are formed on each side surface, a fixing bolt 8 is in threaded connection with each screw hole 72, the fixing bolts 8 on the horizontal side surfaces are transversely arranged, the fixing bolts 8 on the vertical side surfaces are vertically arranged, the fixing bolts 8 on the horizontal side surfaces of the supporting body 7 are axially and vertically arranged, the fixing bolts 8 on the vertical side surfaces are axially and transversely arranged, two fixing bolts 8 on the same side surface are symmetrically arranged relative to the center line of the side surface, the end parts of the supporting beam 6 are inserted into the insertion holes 71 of the supporting body 7, the cross section of the supporting beam 6 is rectangular, the transverse width of the insertion holes 71 is larger than that of the supporting beam 6, the vertical width of the insertion holes 71 is larger than that of the supporting beam 6, namely, a gap is reserved between the inner side surfaces of the insertion holes 71 and the outer side surfaces of the supporting beam 6, the inner ends of the fixing bolts 8 extend into the insertion holes 71, the transversely arranged fixing bolts 8 are locked and abutted against the two side surfaces of the supporting beam 6, and the vertically arranged fixing bolts 8 are locked and abutted against the upper side surface and the lower side surfaces of the supporting beam 6. As shown in fig. 7 and 8, the end surfaces of the support beam 6 are respectively abutted against the inner side surfaces of the two cross bars 31, so that the two cross bars 31 are supported and positioned, and the end surfaces of the guide rail 61 are respectively abutted against the end surfaces of the two support bodies 7.

Embodiment two:

the structure of the engraving machine is basically the same as that of the first embodiment, except that as shown in fig. 9, the supporting body 7 includes four supporting blocks 73, the four supporting blocks 73 are all fixed on the inner side surface of the working platform 3 by screws, two supporting blocks 73 are distributed along the transverse direction, the other two supporting blocks 73 are distributed along the vertical direction, the area in the middle of the four supporting blocks 73 forms a socket 71, and two fixing bolts 8 are screwed on each supporting block 73.

Embodiment III:

the structure of the engraving machine is basically the same as that of the first embodiment, and the difference is that as shown in fig. 10, the supporting beam is made into a cylindrical guide rail 10, a rectangular block-shaped connecting seat 9 is fixed at the end of the cylindrical guide rail 10, the connecting seat 9 is inserted into the supporting body 7, and the fixing bolt 8 is locked and abutted against the outer side surface of the connecting seat 9, while adopting the cylindrical guide rail 10 with the structure, the positioning beam 5 is slidingly connected on the cylindrical guide rail 10 through a guide sleeve, namely, the lower side surfaces of the two ends of the positioning beam 5 are fixedly provided with an adjusting cushion block 54, and the lower side surface of the adjusting cushion block 54 is fixedly provided with a guide sleeve in a sliding sleeve manner on the cylindrical guide rail 10.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the frame 1, the cross member 2, the cross-brace 21, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.

Claims

1. The engraving machine comprises a frame (1) and a cross beam (2) fixed on the frame (1), wherein the cross beam (2) is connected with a cross supporting plate (21) capable of transversely moving, a vertical supporting plate (22) capable of lifting up and down and a cutter frame (23), the frame (1) is also connected with a frame-shaped working platform (3) capable of moving back and forth, the working platform (3) is provided with a plurality of clamping assemblies (4) comprising tips (42), the tips (42) are connected to a transversely arranged positioning beam (5), the engraving machine is characterized in that the working platform (3) is also provided with two supporting beams (6) arranged along the front and back directions, the front part and the back part of the working platform (3) are respectively provided with a jack (71) formed by supporting bodies (7), two ends of the supporting beams (6) are respectively inserted into the jacks (71) at the front part and the back part of the working platform (3), a clearance part for transversely and vertically moving and adjusting the supporting beams (6) is arranged between the inner sides of the jack (71), at least two supporting beams (6) are connected to at least two supporting beams (6) which can be respectively fixed at two sides (6) in a transverse mode, the at least two fixing pieces are respectively positioned at the upper side and the lower side of the supporting beam (6) and can lock and fix the supporting beam (6) up and down; the fixing piece is fixing bolt (8), the cross section of supporting beam (6) personally submits the rectangle, has linked firmly guide rail (61) along length direction on the upside of supporting beam (6), all linked firmly on the both ends downside of locating beam (5) and adjusted cushion (54), fixed connection has slider (51) on the downside of adjusting cushion (54), slider (51) sliding connection is on guide rail (61), supporter (7) are rectangular frame form, socket (71) have two levels medial surface and two vertical medial surface, and equal spiro union has two at least fixing bolt (8) on each side, and fixing bolt (8) on the level lateral surface are along horizontal arrangement, and fixing bolt (8) on the vertical lateral surface are along vertical arrangement, and fixing bolt (8) axial along vertical setting on the horizontal lateral surface of supporter (7), fixing bolt (8) axial along horizontal setting on the vertical lateral surface.

2. The engraving machine according to claim 1, characterized in that the support body (7) is fastened to the inner side of the work platform (3) by means of screws, the area inside said support body (7) being the aforementioned socket (71).

3. The engraving machine according to claim 2, characterized in that the support body (7) is provided with screw holes (72), the fixing bolts (8) are screwed into the screw holes (72), and the ends of the fixing bolts (8) can extend into the sockets (71) and abut against the side surfaces of the support beam (6).

4. The engraving machine according to claim 1 or 2, characterized in that said work platform (3) is rectangular in shape, comprising two transverse bars (31) arranged in a transverse direction and two longitudinal bars (32) arranged in a front-rear direction, said support body (7) being fixed on the inner side of the transverse bars (31).

5. The engraving machine according to claim 4, characterized in that the end faces of the two ends of said support beam (6) respectively abut against the inner faces of the two crossbars (31).

6. The engraving machine according to claim 1 or 2, characterized in that the end surfaces of the two ends of said guide rail (61) respectively abut against the end surfaces of the two supporting bodies (7).

7. The engraving machine according to claim 1 or 2, characterized in that the side part of the slide block (51) of the adjusting cushion block (54) is fixedly connected with a positioning block (52), the positioning block (52) is inserted with a positioning bolt (53), the upper side surface of the supporting beam (6) is provided with a plurality of positioning screw holes (62) along the length direction, and the lower end of the positioning bolt (53) can be screwed in the positioning screw holes (62).