CN210188487U - Clamping device for automatic cutter replacing device - Google Patents

Abstract

The utility model discloses an automatic change clamping device for cutter device, including the centre gripping frame that has frame construction, sliding connection has sliding guide device in the centre gripping frame, is provided with spout or slider on at least one medial surface in the centre gripping frame, the side that the medial surface has spout or slider is the slip limit, sliding guide device at least one side with the spout or the slider sliding fit on slip limit are realized the centre gripping, and sliding guide device can be followed the length direction free slip on slip limit. The clamping device is used for slidably clamping the sliding guide device, so that the clamping device and the sliding guide device can generate relative displacement while providing support for the sliding guide device, and a good premise foundation is provided for the sliding guide device to transfer a tool.

Description

Clamping device for automatic cutter replacing device

Technical Field

The utility model relates to a 3D printing apparatus's tool changer, especially an automatic change clamping device for cutter device.

Background

The principle of the metal 3D printing technology is that metal powder is completely melted under the thermal action of laser beams and finally the material is accumulated layer by layer through cooling and solidification, factors influencing the printing precision of the final finished product are many, such as laser power, scanning path, metal powder quality and the like, and the tiling quality of each layer of powder is also one of the factors influencing the printing precision, the tiling quality of the powder is greatly improved by changing the material of a scraper, the appearance of the powder surface contacted by the scraper, the installation mode of the scraper and the like in the market at the present stage, but the abrasion of the scraper is always an unavoidable problem in the printing process, especially when this problem leads to the need to replace the blade during printing, the printing efficiency is significantly affected and the time cost is increased.

In the prior art, the operation of replacing the 3D printer cabin interior scraper is often manually operated, and during manual operation, the cabin door needs to be opened to replace the cutter and create an atmosphere environment again, so that the cutter changing efficiency is low, and if the operation of manually replacing the scraper is realized on the premise of not changing an atmosphere system in the cabin, the uncertainty of the critical wear state when the scraper reaches the state affecting the quality of the powder surface layer in the working process is considered, so that the 3D printer can rapidly perform the operation of replacing the scraper when the quality of the powder surface layer is found to be reduced, obviously, the speed of manual operation cannot meet the requirement of high-speed cutter changing, and therefore, a device capable of automatically replacing the cutter is urgently needed, and how to realize the device, the optimal configuration of each sub-device or structure is needed.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to: in view of the above problems, the present invention provides a clamping device for an automatic tool changer, which slidably clamps a sliding guide device by providing a clamping device, so as to provide a support for the sliding guide device, facilitate relative displacement between the clamping device and the sliding guide device, and provide good preconditions for the sliding guide device to transfer tools.

The utility model adopts the technical scheme as follows: the utility model provides an automatic change clamping device for cutter device, is including the centre gripping frame that has frame construction, sliding connection has the slip guider in the centre gripping frame, is provided with spout or slider on at least one medial surface in the centre gripping frame, the medial surface has the side of spout or slider to be the slip limit, at least one side of slip guider with the spout or the slider sliding fit on slip limit realize the centre gripping, the slip guider can be followed the length direction free slip on slip limit.

Due to the arrangement of the structure, the clamping device slides and clamps the sliding guide device, so that the clamping device and the sliding guide device can generate relative displacement while providing support for the sliding guide device, and good precondition is provided for the sliding guide device to transfer the tool.

Furthermore, the side edge of the clamping frame is provided with an adjusting push rod, the adjusting push rod penetrates through the side edge of the clamping frame and is fixedly connected with the clamping frame, the adjusting push rod extends into the sliding guide device, and the adjusting push rod is used for pushing a cutter in the sliding guide device to move along the length direction of the sliding edge.

Further, a knife box is arranged above the clamping frame, a sliding groove or a sliding block is arranged on the upper end face of at least one side edge of the clamping frame, the knife box is connected with the clamping frame in a sliding mode through the sliding groove or the sliding block on the upper end face of the side edge, the knife box can slide along the length direction of the side edge, and the length direction of the side edge is the same as the length direction of the sliding edge.

Due to the arrangement of the structure, the clamping frame drives the cutter box to move simultaneously in the moving process, so that the cutters in the cutter box fall into the sliding guide device conveniently, and then the cutters in the sliding guide device are pushed to move to leave the sliding guide device by adjusting the push rod by utilizing the relative displacement between the clamping frame and the sliding guide device, so that the process of transmitting a single cutter is realized, and the possibility is provided for realizing the operation of automatically replacing the cutters.

Further, in order to drive the clamping device, one side of the clamping frame is connected with the driving device through a connecting mechanism, the connecting mechanism comprises a clamping device connecting plate, one side of the clamping device connecting plate is fixedly connected with the side edge of the clamping frame, the other side of the clamping device connecting plate is connected with the driving device, and the driving device is used for driving the clamping frame to freely move along the length direction of the sliding edge.

Furthermore, in order to better implement the clamping device of the utility model, the sliding edges are respectively arranged at two sides of the sliding guide device, the sliding guide device is connected with the inner side of the sliding edge in a sliding way through the transverse sliding block at the side edge of the sliding guide device, the upper end surface of the sliding edge is connected with the knife box in a sliding way through a sliding chute or a sliding block, one end of the sliding edge is connected with one end of the other sliding edge through a connecting edge, one end of the sliding edge far away from the connecting edge is connected with an adjusting seat in a sliding way, the adjusting seat is opposite to the transverse sliding block, a pressure spring is arranged between the adjusting seat and the transverse sliding block, two ends of the pressure spring are respectively embedded into the, so that thrust exists between the transverse sliding block and the adjusting seat, when the distance between the transverse sliding block and the adjusting seat is reduced, the pressure spring is compressed, therefore, on the premise of not increasing an additional power source, automatic tool changing action can be realized through the compressed spring energy storage and release process.

Preferably, the inner side of the sliding edge is provided with a sliding groove, and the clamping frame is in sliding connection with a transverse sliding block of the sliding guide device through sliding fit of the sliding groove on the inner side of the sliding edge.

Further, the connecting edge is provided with the through-hole that is used for the push rod to pass through, be provided with on the up end on slip limit and be used for restricting the gliding stopper of knife box, adjust the seat and adjust the position on the slip edge through sliding, then adjust the position of seat through limit structure is fixed.

Furthermore, the adjusting seat is provided with a straight handle limit switch on the side opposite to the sliding guide device, the straight handle limit switch is connected with an external control system through a signal generator and a signal transmission line and realizes signal transmission, and when the sliding guide device is in contact with the straight handle limit switch, the straight handle limit switch transmits a signal to the external control system through the signal generator.

Further, the bottom fixedly connected with first cutter splint of clamping device, first cutter splint form the cutter splint with the combination of the second cutter splint of fixed connection on the slip guider, the cutter splint are used for the centre gripping cutter.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the utility model provides a pair of automatic change clamping device for cutter device slides centre gripping slip guider through setting up clamping device, and then when providing the support for slip guider, produces relative displacement between the clamping device of being convenient for and the slip guider, for slip guider transmission cutter provides well prerequisite basis, solves the not enough that artifical change cutter exists, and the automatic tool changer of being convenient for realizes automatic tool changing operation.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of an automatic cutter replacing device of the present invention;

FIG. 2 is a schematic structural view of a driving device of the automatic cutter replacing device of the present invention;

FIG. 3 is a schematic structural view of the shaft sliding plate and the clamping device according to the present invention;

FIG. 4 is a schematic view of the connection between the holding device and the holding device according to the present invention;

FIG. 5 is a schematic cross-sectional view of the automatic cutter changer of the present invention;

fig. 6 is a schematic view of the fitting structure of the clamping device and the sliding guide device of the present invention;

fig. 7 is a schematic three-dimensional structure diagram of the clamping device of the present invention;

fig. 8 is a schematic three-dimensional structure of the sliding guide device of the present invention;

fig. 9 is a schematic cross-sectional view of the clamping device of the present invention after being engaged with the sliding guide;

fig. 10 is a schematic three-dimensional structure of a cutter (scraper) according to the present invention;

fig. 11 is a schematic three-dimensional structure diagram of the knife box of the present invention;

fig. 12 is a schematic cross-sectional structure of the clamping device of the present invention.

The labels in the figure are: 1 is a clamping device, 101 is a clamping frame, 102 is a sliding edge, 103 is a sliding guide device sliding groove, 104 is a knife box sliding groove, 105 is an adjusting push rod, 106 is a connecting edge, 107 is an adjusting seat, 108 is a square groove, 109 and 213 are compression spring counter bores, 110 is a straight handle limit switch, 111 is a limit block, 2 is a sliding guide device, 201 is a frame body, 202 is an upper end face, 203 is a lower end face, 204 is a first knife through hole, 205 is a second knife through hole, 206 is a sliding guide structure, 207 is a sliding guide block, 208 is a tail end guide part, 209 is a side through hole, 210 is a transverse slider, 211 is a side channel, 212 is a push rod counter bore, 3 is a compression spring, 4 is a driving device, 401 is a servo motor, 402 is a lead screw, 403 is a lead screw nut, 404 is a nut seat, 405 is a bearing support, 406 is a coupler, 5 is a knife, 501 is a sliding groove part, 6 is a printing cabin, 7 is a push rod, 8 is a guide rail, 801 is a shaft sliding plate, 802 is a guide rail sliding block, 803 is a cutter adapter plate, 804 is a clamping device connecting plate, 9 is a first cutter clamping plate, 10 is a second cutter clamping plate, 11 is a cutter box, 1101 is a cutter box main body, 1102 is a handle, 1103 is a short cross handle, 1104 is an observation hole, and 1105 is a dovetail guide rail.

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.

The utility model discloses a clamping device is mainly used in the automatic cutter replacing device of 3D printer, as shown in figure 1, figure 1 shows the structure of an automatic cutter replacing device, it includes clamping device 1, sliding guide device 2, knife box 11 and drive arrangement 4, drive arrangement 4 is connected on printing cabin 6 through guide rail 8 in a sliding manner, as shown in figure 2, drive arrangement 4 includes servo motor 401, servo motor 401 is fixed on the right side outer wall of printing cabin 6, the motor shaft of servo motor 401 transmits power to lead screw 402 through shaft coupling 406, lead screw 402 passes lead screw nut 403, nut seat 404 is fixed on lead screw nut 403, lead screw 402 is fixed on the inner wall of one side of printing cabin 6 through bearing support 405, the upper and lower sides of lead screw are respectively provided with guide rail 8 in parallel, guide rail 8 is located the outside of bearing support 405 to be fixed on the inner wall of printing cabin 6, a shaft sliding plate 801 is arranged between the guide rails 8, the shaft sliding plate 801 spans between the guide rails 8, the shaft sliding plate 801 is in sliding connection with the guide rails 8 through guide rail sliding blocks 802, the guide rail sliding blocks 802 are sleeved on the guide rails 8, one side of the nut seat 404 is fixedly connected with the shaft sliding plate 801, and the shaft sliding plate 801 can freely slide on the guide rails 8. The servo motor 401 converts the rotation motion into the linear motion through the lead screw 402, and under the action of the motion of the lead screw 402, as the nut base 404 of the lead screw 402 is fixedly connected with the shaft sliding plate 801, the lead screw 402 drives the shaft sliding plate 801 to make the linear motion along the guide rail 8, thereby realizing the driving of the shaft sliding plate 801. Of course, the above description only specifically describes the structure of one driving device, and as an alternative technical means, the above driving device may be replaced by other driving structures, for example, the driving device may be driven by conventional hydraulic or pneumatic, as long as the shaft sliding plate 801 can slide back and forth on the guide rail 8.

Furthermore, the other side of the shaft sliding plate 801 (i.e. the side far from the guide rail 5) is fixedly connected with a connecting mechanism for connecting with the clamping device 1, the connecting mechanism comprises a clamping device connecting plate 804 and a cutter adapter plate 803, one side of the cutter adapter plate 803 is fixedly attached to the shaft sliding plate 801, the other side of the cutter adapter plate 803 is fixedly connected with a clamping device connecting plate 804, the clamping device 1 is fixedly connected with the cutter adapter plate 803 through the clamping device connecting plate 804, the clamping device connecting plate 804 has a triangle-like frame structure, as shown in fig. 3-5, one side of the clamping device connecting plate 804 is fixedly attached to the cutter adapter plate 803, the sharp corner part of the clamping device connecting plate 804 far from the side is fixedly connected with the clamping device 1 through a connecting plate (not marked in the figures), so that a triangle-like cavity with a certain space is formed in the clamping device, such an arrangement not only ensures the structural stability of the clamping device connecting plate 804 (the inclined and transverse edges of the clamping device connecting plate 804 are not easily bent and deformed when providing support for the clamping device 1), but also facilitates the operation of inserting the mounting and adjusting tool into the clamping device connecting plate 804.

Further, the clamping device 1 includes a clamping frame 101 having a frame structure, as shown in fig. 6 and 7, the clamping frame 101 is configured to clamp the sliding guide device 2, at least one inner side surface of the clamping frame 101 is provided with a sliding groove or a sliding block, the side surface of the inner side surface having the sliding groove or the sliding block is the sliding edge 102, at least one side surface of the sliding guide device 2 is in sliding fit with the sliding groove or the sliding block of the sliding edge 102 to realize clamping, the sliding guide device 2 can freely slide along the length direction of the sliding edge 102, the clamping frame 101 is fixedly connected to the driving device 4 through a clamping device connecting plate 804, and the driving device 4 drives the shaft sliding plate 801 to move, so as to drive the clamping frame 101 to move along the length direction of the sliding edge 102. In the embodiment of fig. 7, the clamping frame 101 is a frame structure having a "C" shape, and two symmetrical side edges (i.e. the left and right side edges of the clamping frame 101) are provided with sliding guide grooves 103 (of course, sliding blocks are also provided), the side edge becomes a sliding edge 102, the other side edge connecting the two sliding edges 102 is a connecting edge 106, the sliding guide is slidably connected with the clamping frame 101 through the sliding edge 102, and the sharp corner of the clamping device connecting plate 804 is fixedly connected with the outer side of one sliding edge 102 (i.e. fixedly connected with the sliding edge 102 on the right side of the clamping frame 101). Further, a sliding groove or a sliding block is disposed on an upper end surface of at least one sliding edge 102, the sliding groove or the sliding block on the upper end surface of the sliding edge 102 through which the knife box 3 passes is slidably connected with the clamping frame 101, the knife box 3 can slide along the length direction of the sliding edge 102, as shown in fig. 3, the knife box sliding grooves 104 (of course, a sliding block may be disposed) are disposed on the upper end surfaces of the sliding edges 102, and the knife box 11 is slidably connected with the clamping frame 101 through the knife box sliding grooves 104.

Further, as shown in fig. 8 and 9, the sliding guide 2 includes a frame body 201 having a hollow structure, the end face of the frame body 201 is opened with cutter through holes for the passage of the cutters 5, the cutter through holes are respectively disposed on symmetrical end faces, and the cutter through holes are not located 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 directly opposite to each other, the cutter through holes communicate with the hollow cavity of the frame body 201, in the embodiment of fig. 8, the upper end face 202 and the lower end face 203 of the frame body 201 are respectively provided with a first cutter through hole 204 and a second cutter through hole 205, the first cutter through hole 204 is disposed on the left side of the upper end face 202 (as determined by the view facing fig. 8), the second cutter through hole 205 is disposed on the right side of the lower end face 203, the first cutter through hole 204 and the second cutter through hole 205 are staggered so that the width and the length thereof are both matched with the, the height of the hollow cavity of the frame body 201 is matched with the height of the cutter 5, namely the height is the same. The upper end surface 202 and the lower end surface 203 of the frame body 201 are provided with sliding guide structures 206, and the cutter 5 (i.e., the scraper) slides to the cutter through hole through the sliding guide structures 206 until passing through the cutter through hole.

Further, the sliding guide structure 206 is matched with the bottom of the cutter for sliding, the sliding guide structure 206 may be composed of a plurality of sliding guide blocks 207, of course, the sliding guide structure 206 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 206 is composed of a plurality of sliding guide blocks 207, for example, in the embodiment of fig. 8, it may be composed of a pair of sliding guide blocks 207, the sliding guide blocks 207 may be a long rectangular structure or other convex structures, the sliding guide blocks 207 are fixedly disposed on the frame body 201 and are perpendicular to the through hole of the cutter, the sliding guide blocks 207 of the lower end surface 203 of the frame body 201 are located in the frame body 201, in order to better fix the cutter 5, the sliding guide blocks 207 are located at the short side ends of the through hole of the cutter, when the bottom of the cutter 5 is matched with the sliding guide blocks 207, the long side direction of the cutter 5 is restricted by the slide guide block 207, and the cutter 5 can slide only in the long side direction of the slide guide block 207, and is not easily deflected.

Further, as shown in fig. 10, fig. 10 shows a commonly used tool structure, although the tool may have other structure types, which do not substantially affect the implementation of the present invention, for the tool structure in fig. 10, the cross section is formed by combining a "T" shape and a "v" shape, the outer side of the "v" shape of the lower portion is arc-shaped, which facilitates the release of the old tool, both ends of the "v" shape are engaged with the inner sides of the first tool clamp plate 9 and the second tool clamp plate 10, as shown in fig. 9, which ensures that the tool 5 does not shift during the operation, and both sides of the end surface of the tool 5 are provided with sliding groove portions 501 for engaging with the sliding guide blocks 207, so as to facilitate the tool to realize the relative lateral translation.

In an embodiment of the present invention, the side surface of the frame body 201 is open to form the side through hole 209, as shown in fig. 9, the side through hole 209 is fixedly connected with the transverse slider 210, the transverse slider 210 protrudes out of the frame body 201, the outer side surface of the transverse slider 210 is a dovetail flange structure, the sliding guide device chute 103 is a dovetail groove structure, the transverse slider 210 is in sliding fit with the sliding guide device chute 103 through the dovetail flange structure outside the transverse slider 210, and the sliding guide device 2 is clamped inside the clamping device 1. Further, a space is left between the transverse sliding block 210 and the top of the side through hole 209 to form a side channel 211, as shown in fig. 5, 7 and 9, the side channel 211 is used for accommodating the adjusting push rod 105, the adjusting push rod 105 is arranged on the inner side of the sliding edge 102, as shown in fig. 7, the adjusting push rod 105 is arranged above the sliding guide device sliding slot 103, one end of the adjusting push rod 105 penetrates through the sliding edge 102 and is exposed outside the sliding edge 102 to form a push rod adjusting part (i.e. a cross handle), the other end of the adjusting push rod 105 extends into the hollow cavity of the sliding guide device 2, i.e. into the hollow cavity of the frame body 201, the adjusting push rod 105 can freely slide along the direction of the side channel 211, and the adjusting push rod 105 is used for pushing the cutter 5 in the frame body 201 to slide along the sliding guide block 207 to the cutter through hole. That is, when the frame body 201 and the clamping frame 101 are displaced relatively, the adjusting push rod 105 can move along the side channel 211, and when the cutter 5 is located at the right side of the adjusting push rod 105, the adjusting push rod 105 moves rightwards, so that the cutter 5 can be pushed rightwards, and the cutter 5 is close to the second cutter through hole 205 until the cutter falls into the second cutter through hole 205.

In an embodiment of the present invention, the first tool holder plate 9 is fixedly connected to the lower portion of the holding frame 101, the second tool holder plate 10 is fixedly connected to the bottom portion of the frame body 201, the first tool holder plate 9 and the second tool holder plate 10 are combined to form a tool holder plate, as shown in fig. 9, the tool holder plate is used for holding the tool 5, further, the first tool holder plate 9 is disposed below the connecting edge 106 of the holding frame 101, and the second tool holder plate 10 is disposed below the second tool through hole 205.

Further, as shown in fig. 11, the knife box 11 of the present invention includes a knife box main body 1101 having a hollow shape, the knives 5 are stored in the knife box main body 1101 in a single-row overlapping manner, a sliding groove (not marked in the figure) is provided in an inner cavity of the knife box main body 1101, which plays a role of guiding and limiting the posture of the knives, a handle 1102 and a pair of short cross handles 1103 are provided on one side surface of the knife box 11, when the knife box 11 is installed in place, the short cross handles 1103 are screwed out, the bottom of the knife box 11 is unblocked, the new knives fall down, the bottom of the new knives contacts with the right side of the upper end surface 202 of the frame body 201, a pair of guide rails or sliding grooves are distributed on the lower end of the knife box 11, in the example of fig. 11, the lower end of the knife box 11 is a pair of dovetail guide rails 1105, the upper end surface of the sliding edge 102 of the clamping frame 101 is a dovetail type knife box sliding groove 104, as shown in fig. 7, the dovetail type guide rails, a dovetail-shaped limiting block 111 is further arranged in the knife box sliding slot 104, and after the knife box 11 is in sliding fit with the knife box sliding slot 104 through the dovetail-shaped guide rail 1105, the position of the knife box 11 is fixed through the limiting block 111 to limit the sliding of the knife box 11.

Further, a push rod 7 is fixedly arranged on the inner wall of the printing chamber 6, one end of the push rod 7 is fixedly connected with the inner wall of the printing chamber 6, and the other end of the push rod 7 can penetrate through the connecting edge 106 of the clamping frame 101, as shown in fig. 12, a through hole (not labeled in the figure) for the push rod 7 to pass through is arranged on the connecting edge 106, one side of the transverse sliding block 210 of the sliding guide device 2 facing the push rod 7 is provided with a push rod counter bore 212, the push rod counter bore 212 is used for accommodating the end of the push rod 7 extending into the connecting edge 106, when the clamping device 1 moves towards the push rod 7 (namely moves towards the left), the knife box 11 and the sliding guide device 2 also move synchronously towards the push rod 7, when the push rod 7 continuously approaches the push rod 7, the push rod 7 passes through the connecting edge 106 and is inserted into the transverse sliding block 210, at this time, the clamping device 1 is not blocked by the push rod 7, and continues to move towards the direction close to the push rod 7, and simultaneously drives the tool box 11 to move synchronously, at this time, the tool 5 at the lower part of the tool box 11 slides leftwards along the sliding guide block 207 on the upper end surface of the frame body 201 to the through hole of the first tool until the tool 5 falls down and is in sliding fit with the sliding guide block 207 on the lower end surface 203, the adjusting push rod 105 moves leftwards along the side channel 211 until the tool 5 falls down to the sliding guide block 207 on the lower end surface 203, the adjusting push rod 105 is positioned at the left side of the tool 5, the first tool clamping plate 9 continues to move leftwards until the clamping frame 101 stops moving, the second tool clamping plate 10 is kept still due to the limited movement of the frame body 201, and further the distance between the first tool clamping plate 9 and the second tool clamping plate 10 is enlarged, so that the old tool originally clamped between the first tool clamping plate 9 and the second tool clamping plate 10 is separated from constraint and falls down, thereby completing the retracting operation of the tool clamping plate.

Further, a pressure spring counter bore 213 is arranged on one side of the transverse slider 210 far away from the push rod 7, the pressure spring counter bore 213 is not communicated with a push rod counter bore 212, an adjusting seat 107 is arranged at the cantilever end of the sliding edge 102, as shown in fig. 7, the adjusting seat 107 is connected with the inner side surface of the cantilever end of the sliding edge 102 in a sliding manner through the slider, a square groove 108 for sliding the slider is arranged on the inner side surface of the cantilever end of the sliding edge 102, the adjusting seat 107 is opposite to the transverse slider 201 and is also provided with a pressure spring counter bore 109, two ends of the pressure spring 3 respectively extend into the pressure spring counter bore 109 and the pressure spring counter bore 213, the initial compression amount of the pressure spring 3 is adjusted by controlling the distance between the adjusting seat 107 and the transverse slider 210, so that the sliding guide device 2 has a tendency of sliding towards the connecting edge 106 of the clamping frame 101 in an initial state, and further, an initial pre-tightening force is, the cutter clamping plate can tightly clamp the cutter 5, so that the cutter 5 is prevented from shifting and loosening in normal work, and the working stability of the cutter 5 is ensured.

Further, due to the existence of the compression spring 3, when the tool box 11 and the clamping device 1 move leftwards and the sliding guide device 2 is limited by the push rod 12 and is relatively immobile, the compression spring 3 is compressed to store elastic energy, and when the tool box 11 and the clamping device 1 move rightwards, the compression spring 3 releases elastic potential energy to enable the sliding guide device 2 to receive leftwards elastic force, so that the sliding guide device 2 cannot move rightwards together with the tool box 11 and the clamping device 1 to keep the position thereof relatively immobile, at the moment, the tool box 11 slides rightwards and is far away from the first tool through hole 204, the push rod 105 is adjusted to move rightwards along the side channel 211 and pushes the new tool 5 in the frame body 201 to slide rightwards until the new tool falls down at the second tool through hole 205, the first tool clamp plate 9 moves rightwards, the frame body 201 continues to be limited to move and is kept immobile, so that the distance between the first tool clamp plate 9 and the second tool clamp plate 10 is gradually reduced, the new cutter 5 dropped through the second cutter through-hole 205 is dropped and bound between the first cutter clamping plate 9 and the second cutter clamping plate 10, and the new cutter 5 is tightly clamped by the cutter clamping plates as the first cutter clamping plate 9 continues to move, thereby completing the operation of mounting the new cutter by the cutter clamping plates.

Further, when the sliding guide device 2 and the knife box 11 and the clamping device 1 are displaced relatively, in order to control the relative displacement between each other, so that the external control device can automatically control the movement of the knife box 11, the clamping device 1 and the sliding guide device 2, a straight handle limit switch 110 is arranged above a pressure spring counter bore 109 of the adjusting seat 107, as shown in fig. 7, when the clamping device 1 moves leftwards relative to the sliding guide device 2, the distance between the adjusting seat 107 and a frame body 201 of the sliding guide device 2 is continuously reduced until contact is generated to trigger the straight handle limit switch 110 arranged on the adjusting seat 107, after the straight handle limit switch 110 is triggered, a signal is generated by a signal generator and transmitted to an external control system by a signal transmission line (namely, a traditional contact control system is adopted), and the external control system generates a feedback signal after receiving the signal, the magazine 11 and the holding device 1 are stopped from moving leftward while transmitting a signal to the servo motor 401 to reverse the servo motor 401, and the magazine 11 and the holding device 1 are reversed and moved rightward, but the conventional contact control system described above is not used for controlling the relative displacement therebetween, and the problem can be solved by the conventional infrared control system as long as the problem can be solved.

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 (9)

1. The utility model provides an automatic change clamping device for cutter device, includes the centre gripping frame that has frame construction, its characterized in that, sliding connection has the slip guider in the centre gripping frame, is provided with spout or slider on at least one medial surface in the centre gripping frame, the medial surface has the side of spout or slider to be the slip limit, at least one side of slip guider with the spout or the slider sliding fit on slip limit realize the centre gripping, the slip guider can be followed the length direction free slip on slip limit.

2. The clamping device for an automatic tool changer as claimed in claim 1, wherein an adjusting pushing rod is provided on a side of the clamping frame, the adjusting pushing rod penetrates through the side of the clamping frame and is fixedly connected with the clamping frame, the adjusting pushing rod extends into the sliding guide device, and the adjusting pushing rod is used for pushing the tool in the sliding guide device to move along the length direction of the sliding edge.

3. The clamping device for an automatic tool changer according to claim 2, wherein a tool box is disposed above the clamping frame, a sliding groove or a sliding block is disposed on an upper end surface of at least one side edge of the clamping frame, the tool box is slidably connected to the clamping frame through the sliding groove or the sliding block on the upper end surface of the side edge, the tool box can slide along a length direction of the side edge, and the length direction of the side edge is the same as the length direction of the sliding edge.

4. The clamping device for an automatic tool changer according to any one of claims 1 to 3, wherein one side of the clamping frame is connected to the driving device through a connecting mechanism, the connecting mechanism includes a clamping device connecting plate, one side of the clamping device connecting plate is fixedly connected to the side of the clamping frame, and the other side of the clamping device connecting plate is connected to the driving device, and the driving device is used for driving the clamping frame to freely move along the length direction of the sliding edge.

5. The clamping device for an automatic tool changer according to claim 4, wherein the sliding edges are respectively located on both sides of the sliding guide, the sliding guide is slidably connected to the inner side of the sliding edge through a lateral slider on the side thereof, the upper end surface of the sliding edge is slidably connected to the tool box through a sliding groove or a slider, one end of the sliding edge is connected to one end of the other sliding edge through a connecting edge, one end of the sliding edge away from the connecting edge is slidably connected to an adjusting seat, the adjusting seat is opposite to the lateral slider, a compression spring is disposed between the adjusting seat and the lateral slider, both ends of the compression spring are respectively embedded in the adjusting seat and the lateral slider, the compression spring has an initial compression amount, so that a thrust exists between the lateral slider and the adjusting seat, and when the distance between the lateral slider and the adjusting seat is reduced, the compression spring is compressed.

6. The clamping device for an automatic tool changer according to claim 5, wherein the inner side of the sliding edge is provided with a sliding groove, and the clamping frame is slidably connected by the sliding groove on the inner side of the sliding edge in sliding fit with the transverse slide block of the sliding guide.

7. The clamping device for the automatic tool changing device according to claim 5, wherein the connecting edge is provided with a through hole for the push rod to pass through, the upper end surface of the sliding edge is provided with a limiting block for limiting the sliding of the tool box, the adjusting seat adjusts the position on the sliding edge by sliding, and then fixes the position of the adjusting seat by the limiting structure.

8. The clamping device for an automatic tool changing apparatus as claimed in claim 5, wherein a straight-shank limit switch is provided on a surface of the adjusting seat opposite to the slide guide, the straight-shank limit switch is connected to an external control system through a signal generator and a signal transmission line and performs signal transmission, and when the slide guide is in contact with the straight-shank limit switch, the straight-shank limit switch transmits a signal to the external control system through the signal generator.

9. The clamping device for an automatic tool changer as recited in claim 1, wherein a first tool holder is fixedly attached to a bottom portion of the clamping device, and the first tool holder is combined with a second tool holder fixedly attached to the slide guide to form a tool holder for holding a tool.

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