CN210702558U

CN210702558U - Sliding guide device for replacing cutter

Info

Publication number: CN210702558U
Application number: CN201920957301.1U
Authority: CN
Inventors: 杨加兴
Original assignee: Sichuan Tianfu Lou Pu 3d Technology Co ltd
Current assignee: Sichuan Tianfu Lou Pu 3d Technology Co ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-06-09
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a slide guiding device for changing cutter, including the frame body that has hollow structure, trompil formation is used for the cutter through-hole that the cutter passed through on the terminal surface of frame body, the cutter through-hole sets up respectively on the terminal surface of symmetry, and the cutter through-hole is not located the middle part of terminal surface, and the setting of staggering of cutter through-hole on the symmetry terminal surface to make the cutter through-hole not just right each other, the well cavity of cutter through-hole switch-on frame body, the frame body is provided with the slide guiding structure on the terminal surface that has the cutter through-hole, and the cutter slides to cutter through-hole department through the slide guiding structure until through the cutter through. The sliding route of the cutter is set to be non-linear, so that the cutter moves on the sliding guide device in the form of a single cutter, a good foundation is provided for the operation of replacing the scraper rapidly by the automatic cutter replacing device, and the problems of low efficiency, low speed and troublesome operation existing in manual cutter replacement are solved.

Description

Sliding guide device for replacing cutter

Technical Field

The utility model relates to a metal 3D printer equipment field, especially a cutter sliding guide device that scraper device was used is changed automatically to printer.

Background

The 3D printing technology is emerging from the 20 th 90 s to the present, and the additive manufacturing technology based on the principle of the laminated printing is continuously applied to the military field, the medical field, the automobile field and other aspects along with the abundant change of the printing medium and the diversity combination of the mechanical structure, and people's lives are continuously advanced and improved, while the metal 3D printing is taken as a major branch in the 3D printing technology, and the potential technology application thereof is a major support of the 3D printing industry in the future, wherein the metal 3D printing technology represented by the Selective Laser Sintering (SLM) technology has obvious advantages in the aspects of density of a formed part, mechanical properties, diversity of processed material types and the like, and the principle thereof is that the metal powder is completely melted under the thermal action of the Laser beam and finally realizes the layer-by-layer accumulation of the material through cooling and solidification, and the factors influencing the final printing precision of the finished product are many, for example, laser power, scanning path, metal powder quality and the like, and the quality of each layer of powder tiling is also one of the factors influencing printing precision, and at the present stage, the quality of the tiled powder is greatly improved by means of changing scraper materials, the appearance of a scraper contacting the powder surface, a scraper installation mode and the like, but the abrasion of the scraper is always an unavoidable problem in the printing process, and especially when the problem causes that the scraper needs to be replaced in the printing process, the printing efficiency is obviously influenced, and the time cost is increased.

Chinese utility model patent (application number 201820050828.1) has mentioned a scraper mounting structure in metal 3D printer cabin, change the passageway through setting up specific scraper, can realize the operation of manual change scraper under the prerequisite that does not change the under-deck atmosphere system, nevertheless consider the scraper and arrive the critical wearing and tearing state's when influencing powder surface layer quality uncertainty in the course of the work, this just requires that the operation of changing the scraper can be done rapidly to the 3D printer when discovering powder layer surface quality to descend, obviously, manual operation is unable this technological effect that reaches.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to: aiming at the existing problems, the sliding path of the cutter is set to be non-linear, so that the cutter moves on the sliding guide device in the form of a single cutter, a good foundation is provided for the automatic cutter replacing device to rapidly replace the cutter, and the problems of low efficiency, low speed and troublesome operation of manual cutter replacement are solved.

The utility model adopts the technical scheme as follows: the utility model provides a slide guiding device for changing cutter, is including the frame body that has hollow structure, and the trompil forms the cutter through-hole that is used for the cutter to pass through on the terminal surface of frame body, the cutter through-hole sets up respectively on the terminal surface of symmetry, and the cutter through-hole is not located the middle part of terminal surface, and the setting of staggering of cutter through-hole on the symmetry terminal surface to make the cutter through-hole not just right each other, the well cavity of cutter through-hole switch-on frame body, the frame body is provided with slide guiding structure on having the terminal surface of cutter through-hole, and the cutter slides to cutter through-hole department through slide guiding.

Because the arrangement of the structure is that firstly, the end face of the frame body with the cutter through hole faces upwards, the other end face with the cutter through hole faces downwards, the cutter (namely the scraper) slides to the first cutter through hole through the sliding guide structure on the first end face, then the cutter passes through the first cutter through hole by utilizing gravity and then is in sliding fit with the sliding guide structure on the next end face, the cutter slides to the next cutter through hole on the sliding guide structure on the next end face and passes through the cutter through hole, the arrangement can ensure that the movement path of the cutter is nonlinear, so that the cutter in the cutter box moves on the sliding guide device in the form of a single cutter, thereby providing good precondition for automatically replacing the cutter, preventing the cutter in the cutter box from generating the condition of a plurality of new cutters in the automatic replacing process, and providing good foundation for the automatic cutter replacing device to rapidly replace the scraper, the defect of replacing the knife manually is overcome.

Further, the width and the length of the cutter through hole are matched with those of the cutter, and the sliding guide structure is matched with the bottom of the cutter to slide.

Further, in order to implement better the utility model discloses a sliding guide structure, sliding guide structure includes a plurality of sliding guide piece, and sliding guide structure is constituteed jointly to a plurality of sliding guide piece, sliding guide piece and frame body fixed connection, sliding guide piece cooperate with the spout of cutter bottom to make the cutter can follow sliding guide piece and slide to cutter through-hole department, and then be convenient for single new cutter smoothly passes through the cutter through-hole.

Further, the cutter through hole is located on the upper end face and the lower end face of the frame body, and the sliding guide structure of the lower end face of the frame body is located in the frame body and located right below the cutter through hole in the upper end face of the frame body. When the cutter passes through the cutter through-hole on the up end promptly, it falls into the frame body under the action of gravity, and because the slide guide structure of terminal surface is located its under the frame board ladder, consequently it falls on slide guide structure just, then under other actuating mechanism's drive action, the cutter slides to the cutter through-hole department of terminal surface down through this slide guide structure, and then passes through the cutter through-hole of terminal surface down smoothly.

Preferably, the sliding guide block on the lower end face of the frame body is matched and corresponds to the sliding groove of the cutter, and when the cutter passes through the cutter through hole on the upper end face of the frame body and falls on the lower end face of the frame body, the sliding guide block on the lower end face of the frame body is just matched with the sliding groove of the cutter.

In order to guarantee that the cutter can pass through the cutter through-hole in an instant to prevent that the cutter from taking place to deflect and block the hole problem in cutter through-hole department, the setting of slip guide block perpendicular to cutter through-hole, the one end of slip guide block extends to the top of cutter through-hole, so that the one end of slip guide block hangs and forms terminal guide portion in cutter through-hole department, and the cutter slides to terminal guide portion when leaving terminal guide portion along the slip guide block, and in the instant of leaving terminal guide portion, the cutter can pass through the cutter through-hole under the condition that does not take place to deflect, and then has avoided appearing the problem that deflects and block the hole.

Further, for the convenience of the utility model discloses a slide guiding device and other mechanism cooperations, the uncovered side through-hole that forms in side of frame body, the horizontal slider of side through-hole fixedly connected with of department, horizontal slider salient is outside this body of frame, and the frame body realizes sliding fit through horizontal slider.

Further, in order to facilitate the driving mechanism to enter the frame body to drive the cutter to move, a space is reserved between the transverse sliding block and the top of the side through hole to form a side channel, the side channel is used for accommodating a pushing element, the pushing element can freely slide along the trend of the side channel, and the pushing element is used for pushing the cutter in the frame body to slide towards the cutter through hole along the sliding guide block.

Further, the bottom fixedly connected with second cutter splint of frame body, second cutter splint are located the below of cutter through-hole, second cutter splint form the cutter splint with first cutter splint combination, the cutter splint are used for the centre gripping cutter, and this internal cutter of frame falls between first cutter splint and second cutter splint after passing through the cutter through-hole just.

Preferably, the frame body has a rectangular structure, the tool through hole is cut along a length direction of the frame body to form a rectangular hole having a certain length, the sliding guide block is located at a short-side end of the tool through hole, and a sliding path of the tool on the frame body is non-linear.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses a sliding guide device, the cutter that can make in the knife box is with the form of single cutter to move on sliding guide device, and then for automatic change cutter provides good prerequisite, prevent that the cutter in the knife box from the condition that a plurality of new cutters appear in the automatic change in-process, and, the cutter can not produce the problem of deflecting and card sword in the slip in-process, can do the operation of changing the scraper rapidly for automatic change knife device provides good basis, solve artifical inefficiency that more the cutter exists, the speed is slow, the problem of troublesome poeration.

Drawings

Fig. 1 is a schematic structural view of a sliding guide device for tool replacement according to the present invention;

FIG. 2 is a schematic view of the cutter structure of the present invention;

fig. 3 is a schematic view of the slide guide device according to the present invention in operation;

fig. 4 is a schematic view of the slide guide device according to the present invention after operation.

The labels in the figure are: the cutting tool comprises a frame body 1, an upper end face 101, a lower end face 102, a side through hole 103, a side channel 104, a first tool through hole 2, a second tool through hole 3, a sliding guide structure 4, a sliding guide block 401, a tool 5, a transverse sliding block 6, a second tool clamping plate 7, a tool box 8, a clamping mechanism 9, a pushing plate 10 and a second tool clamping plate 11.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in FIG. 1, a sliding guide device for replacing a cutter comprises a frame body 1 with a hollow structure, a cutter through hole for a cutter 5 to pass through is formed on the end face of the frame body 1, the cutter through holes are respectively arranged on symmetrical end faces, the cutter through hole is not positioned in the middle of the end faces, the cutter through holes on the symmetrical end faces are staggered so that the cutter through holes are not opposite to each other, the cutter through holes are communicated with the hollow cavity of the frame body 1, in the embodiment of FIG. 1, a first cutter through hole 2 and a second cutter through hole 3 are respectively arranged on the upper end face 101 and the lower end face 102 of the frame body 1, the first cutter through hole 2 is arranged on the left side of the upper end face 101 (determined by facing the visual angle of FIG. 1), the second cutter through hole 3 is arranged on the right side of the lower end face 102, the first cutter through hole 2 and the second cutter through hole 3 are staggered, the width and the length of the first cutter, the height of the hollow cavity of the frame body 1 is matched with that of the cutter 5, namely the height is the same. The upper end surface 101 and the lower end surface 102 of the frame body 1 are both provided with a sliding guide structure 4, and the cutter 5 (i.e. the scraper) slides to the cutter through hole through the sliding guide structure 4 until passing through the cutter through hole.

Further, the sliding guide structure 4 is matched with the bottom of the tool for sliding, the sliding guide structure 4 may be composed of a plurality of sliding guide blocks 401, of course, the sliding guide structure 4 may also be composed of other structures, for example, may be composed of a sliding chute, a sliding rail, etc., when the sliding guide structure 4 may be composed of a plurality of sliding guide blocks 401, for example, in the embodiment of fig. 1, it may be composed of a pair of sliding guide blocks 401, the sliding guide blocks 401 may be a long rectangular structure or other convex structures, the sliding guide blocks 401 are fixedly disposed on the frame body 1 and are perpendicular to the tool through hole, the sliding guide blocks 401 of the lower end surface 102 of the frame body 1 are located in the frame body 1, in order to better fix the tool 5, the sliding guide blocks 401 are located at the short side ends of the tool through hole, when the bottom of the tool 5 is matched with the sliding guide blocks 401, the longitudinal direction of the tool 5 is restricted by the slide guide 401, and the tool 5 can slide only in the longitudinal direction of the slide guide 401, and is not easily deflected.

The working process of the sliding guide device of the present invention is substantially, firstly, the cutter 5 in the cutter box vertically falls on the upper end face 101 of the frame body 1 through the bottom (scraper) of the cutter box, and the sliding groove on the cutter 5 is just in sliding fit with the sliding guide block 401 on the upper end face 101 after being clamped, when the cutter box and the frame body 1 generate relative movement, the cutter 5 slides along the length direction of the sliding guide block 401 until sliding to the first cutter through hole 2, at the moment when the cutter 5 is separated from the sliding guide block 401, falls into the hollow cavity of the frame body 1 through the first cutter through hole 2, and then is in sliding fit with the sliding guide block 401 on the lower end face 102 after being clamped, so as to keep the cutter 5 not to deflect relative to the frame body 1, then under the driving of other driving mechanisms, the cutter 5 continues to slide along the sliding guide block 401, until leaving the frame body 1 through the second cutter through hole 3, the whole sliding guide process is completed.

Such sliding guide process can make the motion path of cutter 5 be non-straight line to cutter 5 in the sword box is with the form motion on sliding guide device of single cutter, and then provides good prerequisite for automatic change cutter, prevents that cutter 5 in the sword box from the gliding condition of a plurality of new cutters appearing in automatic change process, provides good basis for automatic change sword device can make the operation of changing the scraper rapidly, solves the manual work and changes the not enough of sword.

Further, in order to facilitate the tool 5 to fall on the sliding guide structure 4 on the lower end surface 102, the tool 5 can be just clamped and in sliding fit with the sliding guide structure 4, the sliding guide structure 4 on the lower end surface 102 of the frame body 1 is located right below the first tool through hole 2 on the upper end surface 101 of the frame body 1, when the tool 5 passes through the first tool through hole 2, the sliding guide structure 4 on the lower end surface 102 of the frame body 1 is located right below the sliding guide structure 4, so that the tool falls just on the sliding guide structure 4, and then under the driving action of other driving mechanisms, the tool 5 slides to the second tool through hole 3 through the sliding guide structure 4, and further passes through the second tool through hole 3 smoothly.

In order to ensure that the cutter 5 can pass through the cutter through hole at an instant to prevent the cutter 5 from deflecting and blocking the cutter through hole, one end of the sliding guide block 401 extends to the upper side of the cutter through hole to enable one end of the sliding guide block 401 to be suspended at the cutter through hole to form a terminal guide part 402, when the cutter 5 slides to the terminal guide part 402 along the sliding guide block 401, at the instant of leaving the terminal guide part 402, the cutter 5 can pass through the cutter through hole without deflecting, and then the problems of deflecting and blocking the cutter through hole are avoided. As shown in fig. 2, the chute portions 501 of the cutter 5 are provided at the middle positions of both ends of the cutter 5, and protrude from both ends of the cutter 5, since the shape and size of the cutter through-hole are matched with those of the cutter 5, the length of the tip guide 402 suspended at the cutter through-hole is half of the width of the cutter 5, when the cutter 5 slides along the slide guide block 401 to the cutter through hole, the cutter 5 does not immediately fall down due to the presence of the end guide portion 402, it continues to slide along the length of the end guide 402 until the runner portion 501 of the cutter 5 disengages from the end guide 402, at which point the cutter 5 is just above the cutter through-hole, and are aligned with one another, the cutters 5 fall directly and vertically without deflection and hole jamming, thereby ensuring that the tool 5 can be properly engaged and slidably engaged with the next sliding guide structure 4.

Further, for the convenience of the utility model discloses a slide guiding device and other mechanism cooperations, the uncovered side through-hole 103 that forms in side of frame body 1, as shown in fig. 1, the horizontal slider 6 of side through-hole 103 fixedly connected with department, horizontal slider 6 salient outside frame body 1, frame body 1 realizes sliding fit through horizontal slider 6.

In an embodiment of the present invention, in order to facilitate the driving mechanism to enter the frame body 1 to drive the cutter 5 to move, the lateral sliding block 6 and the top of the lateral through hole 103 are spaced to form a lateral channel 104, as shown in fig. 1, the lateral channel 104 is used to accommodate a pushing element, the pushing element can freely slide along the trend of the lateral channel 104, and the pushing element is used to push the cutter 5 in the frame body 1 to slide along the sliding guide block 401 to the cutter through hole.

Further, the bottom fixedly connected with second cutter splint 7 of frame body 1, second cutter splint 7 are located the below of cutter through-hole, are located the below of second cutter through-hole 3 promptly, second cutter splint 7 forms the cutter splint with the combination of first cutter splint, the cutter splint is used for the centre gripping cutter, and the cutter in the frame body 1 falls between first cutter splint and second cutter splint 7 after passing through the cutter through-hole just.

To better illustrate the working process of the sliding guide device of the present invention, still take the printer to replace the scraper device as an example, as shown in fig. 3 and 4, a knife box 8 is disposed above the sliding guide device, the sliding guide device is disposed in a clamping mechanism 9, the sliding guide device is slidably connected with the clamping mechanism through a transverse slider 6, a push rod 10 (lower concept of push element) is disposed on the clamping mechanism 9, the push rod 10 extends into the hollow cavity of the frame body 1 through a side channel 104, the push rod 10 is disposed above a sliding guide block 401 on the lower end surface 102 to prevent collision between them, a first knife clamp 11 is fixedly connected to the clamping mechanism 9, when the knife 5 (i.e. scraper) needs to be replaced, a knife feeding edge at the lower part of the knife box 8 is opened, the knife 5 in the knife box 8 falls down to be in sliding fit with the sliding guide block 401 on the upper end surface 101 exactly, then the ejector rod is used for propping the sliding guide device to keep the sliding guide device still, the knife box 8 and the clamping mechanism 9 are driven to move leftwards, the sliding guide device, the knife box 8 and the clamping mechanism 9 are enabled to simultaneously generate relative displacement, because the knife in the knife box is not completely separated from the knife box 8, under the action of the relative displacement, the knife 5 on the sliding guide block 401 of the upper end surface 101 is pushed by the knife box 8 to move to the through hole of the first knife and vertically fall down, at the moment, the push rod 10 on the clamping mechanism 9 also moves to the leftmost end of the frame body 1 along with the movement of the clamping mechanism, because the height of the hollow cavity of the frame body is the same as that of the knife 5, only one knife 5 in the knife box 8 falls down and is clamped and in sliding fit with the sliding guide block 401 on the lower end surface 102, and other knives are continuously kept in the knife box 8 under the blocking action of the lowermost knife, meanwhile, the push rod 10 is positioned at the left end of the cutter 5, the first cutter clamping plate 11 at the lower part is pulled to be larger due to the gap between the push rod and the second cutter clamping plate 7, so that the original clamped old cutter is separated from the cutter clamping plate and falls down, as shown in fig. 3, further, the sliding guide device is continuously kept relatively still, the cutter box 8 and the clamping mechanism 9 are moved rightwards relative to the sliding guide device, at the moment, the cutter box 8 above the frame body is moved rightwards so as to be separated from the control of the cutter 5 positioned in the hollow cavity of the frame body, the next cutter in the cutter box 8 is in sliding fit with the sliding guide block 401 on the upper end surface, and further, only one cutter enters the hollow cavity of the frame body 1 in each cutter changing operation, and the push rod is moved rightwards along the side channel 104 in the process of moving the clamping mechanism rightwards so as to push the cutter 5 in the hollow cavity of the frame, until the cutter 5 reaches the second tool through hole 3, when the cutter 5 is disengaged from the sliding fit with the sliding guide block 401 in the hollow cavity, the cutter 5 vertically falls, since the gap between the first cutter clamping plate 11 and the second cutter clamping plate 7 is gradually reduced when the clamping mechanism 9 moves rightward, the cutter 5 is clamped by the first cutter clamping plate 11 and the second cutter clamping plate 7 when falling through the second cutter through hole 3, as shown in fig. 4, and finally, the cutter 5 is only clamped as the clamping mechanism 9 continues to move, whereby the cutter changing process is completed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a slide guiding device for changing cutter, is including the frame body that has hollow structure, its characterized in that, trompil formation is used for the cutter through-hole that the cutter passes through on the terminal surface of frame body, the cutter through-hole sets up respectively on the terminal surface of symmetry, and the cutter through-hole is not located the middle part of terminal surface, and the setting of staggering of cutter through-hole on the symmetry terminal surface to make the cutter through-hole not just right each other, the well cavity of cutter through-hole switch-on frame body, the frame body is provided with slide guiding structure on having the terminal surface of cutter through-hole, and the cutter slides to cutter through-hole department through slide guiding structure until.

2. The slide guide for a replaceable tool of claim 1 wherein the width and length of the tool through bore matches the width and length of the tool, and the slide guide structure slides in cooperation with the bottom of the tool.

3. The sliding guide apparatus for changing a tool according to claim 2, wherein the sliding guide structure comprises a plurality of sliding guide blocks, the sliding guide blocks jointly form the sliding guide structure, the sliding guide blocks are fixedly connected with the frame body, and the sliding guide blocks are matched with the sliding grooves at the bottom of the tool, so that the tool can slide to the through hole of the tool along the sliding guide blocks.

4. The slide guide apparatus for tool exchange according to claim 3, wherein the tool through-hole is provided on both upper and lower end surfaces of the frame body, and the slide guide structure of the lower end surface of the frame body is provided in the frame body and directly below the tool through-hole of the upper end surface of the frame body.

5. The slide guide device for changing a tool according to claim 4, wherein the slide guide block of the lower end surface of the frame body is in fit correspondence with the slide groove of the tool, and the slide guide block of the lower end surface of the frame body is just fit with the slide groove of the tool when the tool passes through the tool through-hole of the upper end surface of the frame body and is dropped on the lower end surface of the frame body.

6. The slide guide apparatus for exchanging a tool according to claim 3, 4 or 5, wherein one end of the slide guide block extends above the through hole of the tool so that the one end of the slide guide block is suspended at the through hole of the tool to form a tip guide portion, and the tool can pass through the through hole of the tool without deflection at the moment of separating from the tip guide portion when the tool slides along the slide guide block to the tip guide portion.

7. The sliding guide apparatus for changing a tool according to claim 6, wherein the side surface of the frame body is open to form a side through hole, a lateral slider is fixedly connected to the side through hole, the lateral slider protrudes out of the frame body, and the frame body is slidably engaged with the lateral slider.

8. The slide guide for tool changes according to claim 7, wherein a space is left between the lateral slide and the top of the lateral through hole to form a lateral channel for accommodating a pushing element which can freely slide along the course of the lateral channel, the pushing element being adapted to push the tool in the frame body to slide along the slide guide block toward the tool through hole.

9. The sliding guide for tool changes of claim 8 wherein a second tool holder is fixedly attached to the bottom of the frame body, the second tool holder being positioned below the tool through hole, the second tool holder being combined with the first tool holder to form a tool holder for holding a tool, the tool in the frame body passing through the tool through hole and falling just between the first tool holder and the second tool holder.

10. The slide guide for tool change according to claim 9, wherein the frame body has a rectangular configuration, the tool through-hole is bored in a length direction of the frame body to form a rectangular hole having a certain length, the slide guide block is located at a short-side end of the tool through-hole, and a slide path of the tool on the frame body is non-linear.