CN212471840U - Positioning mechanism of woodworking processing center - Google Patents

Abstract

The utility model provides a positioning mechanism of carpenter machining center belongs to mechanical equipment technical field. It has solved the current carpenter machining center and has carried out the relatively poor problem of stability of location to the work piece that has uneven upper surface. This positioning mechanism of carpenter machining center, carpenter machining center include frame and processing platform, and positioning mechanism includes the crane, and the crane is located processing platform's top, all is connected with the compression roller through having elastic connecting piece on the crane, under the elastic support effect of connecting piece, the compression roller on each crane is located the lateral part of crane separately respectively and has the clearance with crane separately, and the lower part of compression roller is less than the lower part of crane. This positioning mechanism of carpenter's machining center can guarantee to compress tightly positioning stability.

Description

Positioning mechanism of woodworking processing center

Technical Field

The utility model belongs to the technical field of mechanical equipment, a positioning mechanism of carpenter machining center is related to.

Background

The woodworking processing center integrates various wood processing modes, is typically used for engraving, is drilling and milling combined processing in the processing principle, has wide application range, comprises a woodworking engraving machine, a laser engraving machine, an advertisement engraving machine, a jade engraving machine, a stone engraving machine, a cylindrical engraving machine and the like, has very wide application range, even replaces the manual engraving technology, and lays a foundation for the mass rapid production of products. The woodworking processing center is provided with a processing platform and a processing assembly, wherein the processing platform is used for placing a workpiece, and the processing assembly can generate acting force on the workpiece in the processing process of the workpiece, so that a positioning mechanism is required to be arranged for positioning the workpiece.

For example, the patent document (application No. 202010223861.1) discloses a positioning mechanism of a woodworking center, wherein a frame is provided with a processing platform in a sliding manner along a horizontal direction, the positioning mechanism comprises a plurality of mounting seats arranged on the frame, the mounting seats are horizontally provided with positioning compression rollers, the mounting seats are arranged into two rows, the mounting seats are vertically connected with lifting seats in a sliding manner, one ends of the positioning compression rollers are connected to the lifting seats, the other ends of the two rows of positioning compression rollers face the inner side of the frame, when the lifting seats are lifted, the other ends of the two rows of positioning compression rollers can be positioned above the processing platform, each mounting seat is provided with a driving part, the positioning compression rollers are driven by the driving parts to descend and tightly press the upper surface of a workpiece, but when the upper surface of the workpiece is uneven, if an inclined surface with a larger inclination exists, and the positioning compression rollers just press against the inclined surface, the positioning compression, and when the workpiece is pressed down on the inclined plane, a horizontal thrust can be generated on the workpiece, so that the workpiece is easy to horizontally move, and the positioning stability is influenced.

In order to solve the problems, the patent document (application number: 201620339849.6) discloses a formaldehyde-free wood board punching device, which comprises a portal frame and a workbench, wherein a pressing plate is arranged below the portal frame, upper guide rods in the vertical direction are arranged at two sides of the portal frame, a pressing device is arranged on the pressing plate, the pressing device comprises a fixing plate, a pressing rod, an upper positioning block, a lower positioning block and a spring, the pressing rod can be pressed on a workpiece under the action of the spring when the pressing device descends, the spring can play a role of buffering, the workpiece is prevented from shifting due to overlarge horizontal component force generated on the workpiece, but the pressing rod can only move up and down, even if the pressing rod is pressed on an inclined plane after the buffering of the spring, the horizontal thrust is always generated on the workpiece, the unstable factors still exist, and if the workpiece needs to move to be matched with the machining of a machining assembly in the machining process, and the pressure rod moves relative to the workpiece, so that the pressing position of the pressure rod can be changed, and larger thrust can be generated on the workpiece, and the workpiece is positioned unstably.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a carpenter machining center's positioning mechanism for solve current carpenter machining center and carry out the relatively poor problem of stability of fixing a position to the work piece that has the unevenness upper surface.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a woodworking machining center's positioning mechanism, woodworking machining center include that frame and water set up the processing platform in the frame, positioning mechanism is including setting up the crane in the frame and can go up and down, and the crane is located the top of processing platform, its characterized in that, all be connected with the compression roller through having elastic connecting piece on the crane, under the elastic support effect of connecting piece, the compression roller on each crane is located the lateral part of crane separately and has the clearance with crane separately, the lower part of compression roller is less than the lower part of crane.

The workpiece is placed on the processing platform, the processing platform drives the workpiece to move to match with the tool to continuously process the workpiece and process different positions of the workpiece, the tool can generate larger acting force with changeable direction on the workpiece in the processing process of the workpiece, therefore, the lifting frame descends to enable the press roll to be pressed on the workpiece, compared with the existing mode of clamping the workpiece through two sides, the press roll presses the workpiece on the processing platform from top to bottom, obviously has larger pressing force, the positioning stability of the workpiece is higher, and the press roll can only move up and down compared with the existing press roll, when the upper surface of the workpiece is uneven and has an inclined plane, the press roll descends and presses on the inclined plane to generate horizontal thrust on the workpiece to cause horizontal movement of the workpiece, the press roll is connected to the lifting frame through the elastic connecting piece, and the press roll is not connected to the lifting frame through other connecting pieces with guiding effect, the compression roller can deform the connecting piece under the action of external force, and under the elastic supporting action based on the connecting piece, the compression roller is positioned on the side part of the lifting frame and has a gap with the lifting frame, so that the periphery of the compression roller is provided with an upper and lower front and back moving space, the compression roller can move up and down and horizontally move for a certain distance when the connecting piece deforms, the lifting frame descends during positioning, at the moment, if the position of the upper surface of the workpiece relative to the compression roller is an inclined plane, because the compression roller is movable, the compression roller can move along the inclined plane and find a proper and easily-abutted position, the situation that the workpiece is subjected to larger horizontal thrust force due to the action on the inclined plane is avoided, the abutting and pressing are more stable, the stability of the workpiece is ensured, meanwhile, in the compression roller pressing and positioning process, the processing platform can appropriately move to cooperate with the, thereby avoiding the pressing position of the compression roller from changing and further ensuring the stability of the compression positioning.

In the positioning mechanism of the woodworking center, the lifting frame is rod-shaped and horizontally arranged, the lifting frame is connected with a plurality of compression rollers through connecting pieces, and the compression rollers are sequentially arranged along the transverse direction. The processing platform is transversely provided with a plurality of stations, the height of a plurality of workpieces has deviation, the processing platform is different from the prior art that a plurality of workpieces are simultaneously compressed by a compression roller, so that the pressing force applied to different workpieces is different, the pressing force applied to the workpieces with lower height is smaller, and the positioning stability is poorer.

In the positioning mechanism of the woodworking center, each compression roller is connected to the lifting frame through two connecting pieces, and the two connecting pieces are respectively connected to two ends of each compression roller. The two ends of the compression roller are connected through the connecting piece, so that the compression roller is stable, and the compression roller generates uniform pressing force on the workpiece.

In the positioning mechanism of the woodworking center, the connecting piece comprises an elastic spring steel wire, one end of the spring steel wire is wound and fixed on the lifting frame, and the other end of the spring steel wire is bent downwards along the winding direction and is wound and fixed at the end part of the compression roller. The spring steel wire can play the supporting role to the compression roller, also has certain elasticity simultaneously, and its both ends are connected with crane and compression roller through the mode of coiling respectively, simple to operate and stability height.

In the positioning mechanism of the woodworking center, the lifting frame is sleeved with a fixing ring, one end of the spring steel wire is fixed with the fixing ring, and the fixing ring is locked and fixed on the lifting frame through a plurality of bolts penetrating along the radial direction. The position of the fixing ring can be adjusted along the length direction of the tool rest by loosening the bolts, the position of the compression roller can be adjusted, the fixing ring and the spring steel wire can be rotated simultaneously, the angle of the spring steel wire can be adjusted, namely, the posture of the spring steel wire is adjusted, and the pressing force of the compression roller can be adjusted.

In the positioning mechanism of the woodworking center, the compression roller comprises a rotating shaft, connecting sleeves are respectively rotatably sleeved at two ends of the rotating shaft, the other ends of the two spring steel wires are respectively wound and fixed on the two connecting sleeves, and a buffer sleeve is sleeved on the rotating shaft. The buffer sleeve can avoid the work piece to produce the damage, and the pivot passes through the adapter sleeve to be connected with the connecting piece, and the pivot can rotate promptly to the compression roller can directly roll along the work piece upper surface when processing platform area work piece removes great distance, reduces the horizontal thrust to the work piece production.

In foretell carpenter machining center's positioning mechanism, the spring steel wire is including all being spiral helicine canned paragraph and linkage segment and being located the elasticity section between canned paragraph and the linkage segment, the canned paragraph cover is established on the crane, and the linkage segment cover is established at the compression roller tip, the one end that elasticity section and canned paragraph are connected is located the crane top and upwards arcs arch for have the clearance between elasticity section and the crane upper portion, the one end that elasticity section and linkage segment link to each other extends to the crane lateral part. The elastic section is located one section on crane upper portion and has the clearance with the crane between, for vertical deformation provides the space, the elastic section is located one section of crane lateral part and has the clearance with the crane lateral part between, provides the space for horizontal deformation, and then makes the compression roller can move certain distance on vertical and horizontal direction.

In the positioning mechanism of the woodworking center, the processing platform is arranged on the rack in a longitudinal sliding mode, the lifting frames are provided with a plurality of driving pieces which can independently drive the lifting frames to ascend and descend, and the lifting frames are sequentially arranged in the longitudinal direction. The plurality of lifting frames are all pressed on the workpiece through respective compression rollers, and the lifting frames can lift up and down respectively, so that the workpiece can be adjusted according to the height of the upper surface of the workpiece, and the workpiece is guaranteed to be positioned stably.

In foretell carpenter machining center's positioning mechanism, the frame all has a plurality of lift seats along vertical sliding connection in the both sides of processing platform, and a plurality of lift seats with one side are vertically arranged in proper order, the both ends of crane are fixed respectively on the lift seat of both sides, the driving piece is including being located the cylinder of lift seat below, and the piston rod of cylinder is up and link firmly mutually with the lift seat. The two ends of the lifting frame are driven to lift through the air cylinders respectively, so that the stability of the lifting frame is guaranteed, and the pressing force of the lifting frame on a workpiece is accurately controlled.

In the positioning mechanism of the woodworking center, the rack is fixed with a plurality of mounting seats on two sides of the processing platform, the mounting seats are arranged in sequence along the longitudinal direction, sliding rails are vertically fixed on the mounting seats, sliding blocks are fixed on the lifting seats, the sliding blocks of the lifting seats are respectively connected to the sliding rails of the mounting seats in a sliding manner, and the air cylinder is fixed on the side portion of the mounting seat. Through slider and slide rail cooperation, guarantee the stability of crane.

Compared with the prior art, the positioning mechanism of the woodworking processing center has the following advantages:

1. because the compression roller is connected on the crane through long banding connecting piece, the connecting piece has elasticity for the compression roller can be from top to bottom and horizontal migration certain distance, if the position that work piece upper surface and compression roller are relative is the inclined plane, because the compression roller is movable, the compression roller can move and look for a suitable and position that easily supports and lean on along the inclined plane, avoid because act on the inclined plane and lead to the work piece to receive great horizontal thrust, support and lean on to compress tightly also more stably, guarantee the stability of work piece.

2. Because compress tightly the location in-process at the compression roller, processing platform can be appropriate remove the processing that cooperates the processing subassembly, and at processing platform removal in-process, the compression roller can remove along with the work piece through the deformation of connecting piece together to avoid the position that the compression roller pressed to change, and then guarantee to compress tightly positional stability.

3. The compression roller can rotate, so that the compression roller can directly roll along the upper surface of the workpiece when the machining platform drives the workpiece to move for a large distance, and the phenomenon that the workpiece generates large horizontal thrust due to sliding friction is avoided.

Drawings

Fig. 1 is a schematic perspective view of a woodworking center.

FIG. 2 is a top view of the woodworking center.

Fig. 3 is a sectional view of the structure at a-a in fig. 2.

Fig. 4 is a structural sectional view of the press roll.

Fig. 5 is an enlarged view of the structure at B in fig. 1.

Fig. 6 is an enlarged view of the structure at C in fig. 2.

Fig. 7 is an enlarged view of the structure at D in fig. 3.

Fig. 8 is an enlarged view of the structure at E in fig. 1.

In the figure, 1, a frame; 11. a column; 12. a cross beam; 13. a transverse carriage; 14. a vertical planker; 15. a support; 16. a guide rail; 2. a processing platform; 3. a tool holder; 31. processing the assembly; 4. a lifting frame; 5. a compression roller; 51. a rotating shaft; 52. a buffer sleeve; 53. connecting sleeves; 54. a bearing; 6. a spring steel wire; 61. a fixed section; 62. an elastic section; 63. a connecting section; 7. a fixing ring; 71. a bolt; 8. a mounting seat; 81. a guide block; 82. a slide rail; 83. a cylinder; 9. a lifting seat; 91. a slide block.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

The first embodiment is as follows:

as shown in fig. 1, 2 and 3, a positioning mechanism of a woodworking center comprises a frame 1, a tool rest 3 and a processing platform 2, wherein the frame 1 is provided with two upright posts 11 which are vertically arranged, a cross beam 12 which is horizontally arranged is fixed between the tops of the two upright posts 11, two transverse plankers 13 are transversely connected on the cross beam 12 in a sliding manner, vertical plankers 14 are vertically connected on the two transverse plankers 13 in a sliding manner, supporting seats 15 are fixed on the side surfaces of the two vertical plankers 14, the tool rest 3 is in a strip shape, two ends of the tool rest 3 are respectively rotatably connected on the two supporting seats 15, so that the tool rest 3 is horizontally arranged, a plurality of processing assemblies 31 are arranged on the tool rest 3 along the length direction, each processing assembly 31 comprises a processing motor which is fixed on the tool rest 3 and a cutter which is arranged at the output end of the processing motor, the plurality of processing assemblies 31 are horizontally and uniformly distributed, the machining platform 2 is connected to the frame 1 in a longitudinal sliding mode, the machining platform 2 is located between the two upright columns 11, the tool rest 3 is located above the machining platform 2, namely the machining platform 2 can move longitudinally below the tool rest 3, the transverse planker 13, the vertical planker 14 and the machining platform 2 are driven by respective driving motors and lead screw nut assemblies, and the tool rest 3 is driven to rotate through the rotating motor and the speed reducer.

The positioning mechanism comprises a plurality of lifting frames 4 which are connected on the machine frame 1 and can be lifted, the lifting frames 4 are all in a long bar shape and are horizontally arranged along the transverse direction, the lifting frames 4 are sequentially arranged along the longitudinal direction, the lifting frames 4 are all positioned above the processing platform 2, namely, the processing platform 2 can longitudinally move below the lifting frames 4, the lifting frames 4 are connected with a plurality of compression rollers 5 through elastic connecting pieces, the compression rollers 5 are transversely arranged, the compression rollers 5 of each lifting frame 4 are positioned at the same side of the lifting frame 4 and are sequentially arranged along the transverse direction, and the compression rollers 5 are parallel to the lifting frames 4, concretely, as shown in a combined figure 4, each compression roller 5 comprises a rotating shaft 51 and a buffer sleeve 52 which is sleeved on the rotating shaft 51, connecting sleeves 53 are respectively sleeved at two ends of the rotating shaft 51, a bearing 54 is arranged between each connecting sleeve 53, the connecting sleeves 53 at both ends are connected to the lifting frame 4 through connecting pieces, as shown in fig. 5, 6 and 7, the connecting pieces include a spring steel wire 6 and a fixing ring 7, the fixing ring 7 is sleeved on the lifting frame 4 and is locked and fixed on the lifting frame 4 through a plurality of bolts 71 penetrating along the radial direction, the spring steel wire 6 includes a fixing section 61, an elastic section 62 and a connecting section 63, the fixing section 61 and the connecting section 63 are both in spiral shapes, the elastic section 62 is located between the fixing section 61 and the connecting section 63, the fixing section 61 is spirally sleeved on the lifting frame 4 and is fixed with the fixing ring 7, the connecting section 63 is spirally sleeved on the connecting sleeves 53 and is fixed, one end of the elastic section 62 is smoothly transited to the fixing section 61 along the spiral direction of the fixing section 61, the other end of the elastic section 62 is smoothly transited to the connecting section 63 along the spiral direction of the connecting section 63, one end of the elastic section 62 connected with the, make to have the clearance between elasticity section 62 and the crane 4 upper portion, the one end downwarping that elasticity section 62 and linkage segment 63 link to each other and extend to crane 4 lateral part for have the clearance between the lateral part of elasticity section 62 and crane 4, have the clearance between compression roller 5 and the crane 4 lateral part this moment, and the lower part of compression roller 5 is less than the lower part of crane 4, of course in actual design process, when elasticity section 62's rigidity is great, its other end is the downward sloping state also can.

As shown in fig. 8, the frame 1 is fixed with one row of the mounting seats 8 on both sides of the machining platform 2, the mounting seats 8 on the same row are arranged in sequence along the longitudinal direction, and the two rows of the mounting seats 8 are arranged in a one-to-one correspondence manner, specifically, the guide rails 16 are fixed on both sides of the machining platform 2 along the longitudinal direction, the guide blocks 81 are fixed on the bottom of the mounting seats 8, and the guide blocks 81 on the same row of the mounting seats 8 are connected to the guide rails 16 in a sliding manner and locked and fixed through screws. Mount pad 8 all is column and vertical setting, and the upper end of mount pad 8 all is higher than processing platform 2, has slide rail 82 along vertical being fixed with on the side of mount pad 8, and equal sliding connection has slider 91 on slide rail 82, is fixed with lift seat 9 on the slider 91, and the both ends of crane 4 are fixed respectively on two corresponding lift seats 9, all are fixed with the cylinder 83 of vertical setting at the lateral part of mount pad 8, and the piston rod of cylinder 83 links firmly up and with lift seat 9 mutually.

Example two:

this carpenter's machining center is the same basically with the structure of embodiment one, and the difference lies in that processing platform 2 fixes in frame 1, and frame 1 and stand 11 are split type, and the lower extreme of two stands 11 all sets up in frame 1 along longitudinal sliding, and stand 11 and crossbeam 12 drive cutter frame 3 along longitudinal movement process and position control, connect the bracket between two stands 11, and mount pad 8 then fixes on the bracket for hold in range dynamic pressure roller 5 longitudinal movement when stand 11 drives cutter frame 3.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms frame 1, uprights 11, cross-member 12, etc. are used more extensively herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a carpenter machining center's positioning mechanism, carpenter machining center include frame (1) and the processing platform (2) of level setting in frame (1), positioning mechanism includes a plurality of crane (4) that set up in frame (1) and can go up and down, and crane (4) all are located the top of processing platform (2), its characterized in that, all be connected with compression roller (5) through having elastic connecting piece on crane (4), under the elastic support effect of connecting piece, compression roller (5) on each crane (4) are located the lateral part of crane (4) separately respectively and have the clearance with crane (4) separately, the lower part of compression roller (5) is less than the lower part of crane (4).

2. The positioning mechanism of the woodworking processing center as claimed in claim 1, wherein the lifting frame (4) is rod-shaped, the lifting frame (4) is horizontally arranged in the transverse direction, a plurality of compression rollers (5) are connected to the lifting frame (4) through connecting pieces, and the plurality of compression rollers (5) are sequentially arranged in the transverse direction.

3. The positioning mechanism of the woodworking center as claimed in claim 2, wherein each compression roller (5) is connected to the lifting frame (4) through two connecting pieces, and the two connecting pieces are respectively connected to two ends of the compression roller (5).

4. The positioning mechanism of carpentry processing center according to claim 1, 2 or 3, wherein said connecting member comprises a spring steel wire (6) having elasticity, one end of said spring steel wire (6) is wound and fixed on the crane (4), and the other end is bent downward along the winding direction and wound and fixed on the end of the pressing roller (5).

5. The positioning mechanism of the woodworking processing center as claimed in claim 4, wherein a fixing ring (7) is sleeved on the lifting frame (4), one end of the spring steel wire (6) is fixed with the fixing ring (7), and the fixing ring (7) is locked and fixed on the lifting frame (4) through a plurality of bolts (71) penetrating along a radial direction.

6. The positioning mechanism of the woodworking processing center as claimed in claim 4, wherein the press roller (5) comprises a rotating shaft (51), two ends of the rotating shaft (51) are rotatably sleeved with connecting sleeves (53), the other ends of the two spring steel wires (6) are respectively wound and fixed on the two connecting sleeves (53), and the rotating shaft (51) is sleeved with a buffer sleeve (52).

7. The positioning mechanism of the woodworking center as claimed in claim 4, wherein the spring steel wire (6) comprises a fixing section (61) and a connecting section (63) which are both in a spiral shape, and an elastic section (62) located between the fixing section (61) and the connecting section (63), the fixing section (61) is sleeved on the lifting frame (4), the connecting section (63) is sleeved on the end of the pressure roller (5), one end of the elastic section (62) connected with the fixing section (61) is located above the lifting frame (4) and arched upwards in an arc shape, so that a gap is formed between the elastic section (62) and the upper portion of the lifting frame (4), and one end of the elastic section (62) connected with the connecting section (63) extends to the side portion of the lifting frame (4).

8. The positioning mechanism of the woodworking processing center as claimed in claim 1, 2 or 3, wherein the processing platform (2) is arranged on the rack (1) in a longitudinal sliding manner, the lifting frames (4) are provided with a plurality of lifting frames and are sequentially arranged in the longitudinal direction, and the rack (1) is provided with a plurality of driving members capable of independently driving the lifting frames (4) to lift.

9. The positioning mechanism of the woodworking processing center as claimed in claim 8, wherein the machine frame (1) is connected with a plurality of lifting seats (9) on two sides of the processing platform (2) in a vertical sliding manner, the lifting seats (9) on the same side are sequentially arranged in a longitudinal direction, two ends of the lifting frame (4) are respectively fixed on the lifting seats (9) on the two sides, the driving member comprises an air cylinder (83) located below the lifting seat (9), and a piston rod of the air cylinder (83) faces upwards and is fixedly connected with the lifting seat (9).

10. The positioning mechanism of the woodworking center as claimed in claim 9, wherein the rack (1) is fixed with a plurality of mounting seats (8) on two sides of the processing platform (2), the mounting seats (8) are sequentially arranged along a longitudinal direction, sliding rails (82) are vertically fixed on the mounting seats (8), sliding blocks (91) are fixed on the lifting seats (9), the sliding blocks (91) of the lifting seats (9) are respectively connected to the sliding rails (82) of the mounting seats (8) in a sliding manner, and the air cylinders (83) are fixed on side portions of the mounting seats (8).

Images