Chuck and profile cutting machine comprising same

Abstract

The utility model relates to the field of sectional material cutting, and discloses a chuck and a sectional material cutting machine comprising the chuck. The chuck comprises a chuck body, a material passing hole, a clamping jaw assembly and a clamping jaw driving device are arranged on the chuck body, the clamping jaw driving device is in transmission connection with the clamping jaw assembly, and the clamping jaw assembly comprises a plurality of roller clamping jaws which are arranged around the material hole; the clamping jaw assembly further comprises a plurality of second clamping jaws arranged around the material passing hole, and when the tail section of the sectional material is cut, the clamping jaw driving device drives the second clamping jaws to be close to the axis of the material passing hole so as to clamp and axially position the sectional material penetrating through the material passing hole. The cutting device has the beneficial effects that the cutting device can machine the tail end of the profile, tailings can be reduced, and economic benefits are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to profile cutting technical field, especially a chuck and profile cutting machine including the chuck. BACKGROUND

[0002] Profile cutting equipment has appeared many different types after years of development, such as two-chuck profile cutting machine, three-chuck profile cutting machine and the like.

[0003] However, the two-chuck profile cutting machine does not have sufficient axial positioning ability for the profile, so when processing the tail section of the profile, the rear chuck still clamps one end of the profile, resulting in leftover material, causing waste of raw materials and being not conducive to improving economic efficiency. SUMMARY

[0004] The utility model discloses a chuck, aiming at solving the technical problem of insufficient axial positioning ability of the front chuck for the profile in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides a chuck, including the chuck body, be equipped with the material hole, the jaw assembly and the jaw drive arrangement on the chuck body, the jaw drive arrangement is connected with the jaw assembly transmission, and the jaw assembly includes a plurality of roller jaws arranged around the material hole.

[0006] The chuck in the utility model can be used as the front chuck of the two-chuck profile cutting machine, and in the process of normally cutting the profile, the rear chuck of the profile cutting machine drives the profile to move axially, and the roller jaws in the front chuck clamp the profile to limit the profile.

[0007] Preferably, the clamping jaw driving device comprises a plurality of second cylinders corresponding to a plurality of second clamping jaws, the second clamping jaw comprises a clamping block fixedly connected to a piston rod of the second cylinder, and an anti-skid surface is arranged on a side surface of the clamping block close to the axis of the material passing hole, and an anti-skid structure is arranged on the anti-skid surface to axially position the profile. The clamping block has stronger friction with the profile than the rollers in the roller clamping jaw, and the anti-skid surface and the anti-skid structure are arranged to enhance the axial positioning capability of the chuck for the profile in the embodiment.

[0008] Preferably, the clamping jaw assembly comprises two oppositely arranged first roller clamping jaws, each first roller clamping jaw comprises a first clamping jaw frame, two first rollers are arranged on the first clamping jaw frame along the axis of the material passing hole, and a second cylinder is arranged on the first clamping jaw frame, and the clamping block is located between the two first rollers, so that the clamped profile is in a more stable machining position, and the machining quality is improved.

[0009] Preferably, the clamping jaw assembly further comprises two oppositely arranged second roller clamping jaws, the two first roller clamping jaws and the two second roller clamping jaws are arranged around the material passing hole in a staggered and uniform manner, so that a more comprehensive radial limiting action is provided for the profile, the clamping stability of the profile is further improved, and the cutting precision and product quality are improved.

[0010] Preferably, the second roller clamping jaw comprises a second clamping jaw frame, two second rollers are arranged on the second clamping jaw frame along the axis of the material passing hole, and the two second rollers are respectively located on the front side and the rear side of the clamping block, so that the deformation of the profile caused by the gravity is reduced, the clamping stability of the profile is further improved, and the cutting precision and product quality are improved.

[0011] Preferably, the anti-skid structure comprises anti-skid protrusions uniformly arranged on the anti-skid surface, so that the clamping operation is simplified, and the machining efficiency is improved.

[0012] The utility model discloses still disclose a kind of profile cutting machines, including above chuck.

[0013] Preferably, the profile cutting machine further comprises a rack, a front chuck, a rear chuck and a cutting device, the above chuck is used as the front chuck, the cutting device is fixedly connected to the rack, and the rear chuck and the front chuck are slidably connected to the rack.The tail section of the cutting profile is clamped by the front chuck and moved to the side away from the rear chuck of the cutting device. The two-chuck cutting machine using the above chuck as the front chuck can reduce the generation of profile tailings, even achieve zero tailings, which is conducive to improving the utilization rate of raw materials and thus improving economic benefits.

[0014] Preferably, the profile cutting machine further includes a front chuck drive device, which is mounted on the frame and connected to the front chuck for transmission. The front chuck drive device can drive the front chuck to move back and forth, so that the cutting device can cut holes in the profile. This configuration allows the profile cutting machine to reduce waste material while also cutting holes at the tail end of the profile, expanding the application range of the profile cutting machine and improving production efficiency.

[0015] Preferably, the front chuck drive device is a servo electric cylinder or a servo motor. A servo electric cylinder or servo motor can provide relatively precise movement accuracy for the front chuck, which is beneficial for improving the cutting accuracy and product quality when cutting holes at the tail end of the profile. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the chuck structure in an embodiment of the present invention;

[0018] Figure 2 for Figure 1 A magnified view of a section at point A in the middle;

[0019] Figure 3 This is a front view of the chuck in an embodiment of the present invention;

[0020] Figure 4 This is a schematic diagram (from a bottom view) showing the positional relationship between the two second rollers located on the upper side, the two first rollers located on the left side, and the clamping block in an embodiment of this utility model.

[0021] Figure 5 This is a schematic diagram of the profile cutting machine in an embodiment of the present invention;

[0022] Figure 6 This is a structural schematic diagram of the profile cutting machine from another angle in an embodiment of this utility model;

[0023] Figure 7 for Figure 6 A magnified view of a section at point B in the middle;

[0024] Figure 8 This is a schematic diagram showing the positional relationship between the frame, front chuck, and servo motor in an embodiment of this utility model.

[0025] In the drawings: 1-chuck body, 2-passing hole, 3-clamping jaw assembly, 31-roller clamping jaw, 311-first roller clamping jaw, 3111-first clamping jaw frame, 3112-first roller, 312-second roller clamping jaw, 3121-second clamping jaw frame, 3122-second roller, 32-second clamping jaw, 321-clamping block, 3211-anti-skid surface, 33-anti-skid structure, 331-anti-skid protrusion, 4-clamping jaw driving device, 41-second air cylinder, 10-rack, 20-front chuck, 30-rear chuck, 40-cutting device, 50-front clamping driving device, 501-servo electric cylinder, 502-servo motor, 60-rack.

[0026] The object, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0028] It should be noted that if the present application embodiments involve directional indications, such as up, down, left, right, front, back, etc., the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0029] In addition, if the present application embodiments involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0030] For example, Figures 1 to 4As shown, a chuck comprises a chuck body 1, the chuck body 1 is provided with a material passing hole 2, a jaw assembly 3 and a jaw driving device 4, the jaw driving device 4 is in transmission connection with the jaw assembly 3, the jaw assembly 3 comprises a plurality of roller jaws 31 arranged around the material passing hole 2; the jaw assembly 3 further comprises a plurality of second jaws 32 arranged around the material passing hole 2, when cutting the tail section of the profile, the jaw driving device 4 drives the plurality of second jaws 32 to be close to the axis of the material passing hole 2, so as to clamp and axially position the profile passing through the material passing hole 2.

[0031] The chuck in the embodiment can be used as a front chuck 20 in a two-chuck profile cutting machine. In the process of normally cutting the profile, the rear chuck 30 in the profile cutting machine drives the profile to move axially, and the roller jaws 31 in the front chuck 20 clamp and limit the profile. When cutting reaches the tail section of the profile, the jaw driving device 4 drives the plurality of second jaws 32 to clamp the profile, and makes the profile relatively fixed with the front chuck 20. The rear chuck 30 can release the profile, and the cutting device 40 can process to the tail end of the profile, which is beneficial to reduce tail material and improve economic benefits.

[0032] In some specific embodiments, referring to Figure 1 , the jaw driving device 4 comprises a plurality of second cylinders 41, the plurality of second cylinders 41 correspond to the plurality of second jaws 32 one by one, the second jaw 32 comprises a clamping block 321, the clamping block 321 is fixedly connected to the piston rod of the second cylinder 41, the side surface of the clamping block 321 close to the axis of the material passing hole 2 is provided with an anti-skid surface 3211, and the anti-skid surface 3211 is provided with an anti-skid structure 33, so as to axially position the profile.

[0033] Specifically, the second cylinder 41 is arranged on the rack 10, and the piston rod of the second cylinder 41 extends away from or close to the axis of the material passing hole 2. The clamping block 321 is arranged at the end of the piston rod of the second cylinder 41 away from the cylinder body. The clamping block 321 has stronger friction force on the profile than the rollers in the roller jaws 31, and the arrangement of the anti-skid surface 3211 and the anti-skid structure 33 can enhance the axial positioning ability of the chuck in the embodiment on the profile.

[0034] In some specific embodiments, referring to Figure 1 and Figure 2 , the jaw assembly 3 comprises two oppositely arranged first roller jaws 311, the first roller jaw 311 comprises a first jaw frame 3111, the first jaw frame 3111 is provided with two first rollers 3112, the two first rollers 3112 are arranged along the axis direction of the material passing hole 2, the second cylinder 41 is arranged on the first jaw frame 3111, and the clamping block 321 is located between the two first rollers 3112.

[0035] Specifically, the clamping block 321 is arranged between the two first rollers 3112 of the first roller clamping jaw 311, so that when only the chuck clamps the profile, not only the clamping block 321 of the second clamping jaw 32 clamps the profile, but also the first rollers 3112 on the front and back sides of the clamping block 321 clamp the profile, so that the clamped profile is in a more stable machining position, which is beneficial to improve the machining quality.

[0036] In some specific embodiments, referring to Figure 1 and Figure 4 , the clamping jaw assembly 3 further comprises two second roller clamping jaws 312 arranged oppositely, and the two first roller clamping jaws 311 and the two second roller clamping jaws 312 are staggered and uniformly arranged around the material hole 2.

[0037] Specifically, referring to Figure 4 , the two first roller clamping jaws 311 are arranged on the left and right sides of the axis of the material hole 2, and the two second rollers 3122 are arranged on the upper and lower sides of the axis of the material hole 2. When the second clamping jaw 32 clamps the profile, the first roller clamping jaw 311 and the second roller clamping jaw 312 assist in clamping the profile, which can provide a more comprehensive limiting action in the radial direction of the profile, further improve the clamping stability of the profile, and improve the cutting precision and product quality.

[0038] In some specific embodiments, referring to Figure 1 and Figure 4 , the second roller clamping jaw 312 comprises a second clamping jaw frame 3121, and two second rollers 3122 are arranged on the second clamping jaw frame 3121. The two second rollers 3122 are arranged along the axis direction of the material hole 2, and the two second rollers 3122 are respectively located on the front side and the back side of the clamping block 321.

[0039] Referring to Figure 4 , the two second rollers 3122 are respectively located on the front side and the back side of the clamping block 321, so that when the second clamping jaw 32 clamps the profile, the second rollers 3122 on the front side and the back side of the second clamping jaw 32 limit the profile in the up-down direction, which is beneficial to reduce the deformation of the profile caused by the downward bending due to gravity, further improve the clamping stability of the profile, and improve the cutting precision and product quality.

[0040] In some specific embodiments, referring to Figure 2 , the anti-slip structure 33 comprises anti-slip protrusions 331 uniformly distributed on the anti-slip surface 3211.

[0041] The anti-slip protrusions 331 are uniformly distributed on the anti-slip surface 3211, so that when only the second clamping jaw 32 clamps the profile, the profile can be positioned not only in the axial direction but also in the radial direction, that is, when the tail section of the profile is machined, only the second clamping jaw 32 can clamp the profile, which is beneficial to simplify the clamping operation and improve the machining efficiency.

[0042] In some embodiments, the anti-skid surface 3211 is provided with a plurality of anti-skid protrusions, the extension direction of the anti-skid protrusions is perpendicular to the axis of the through hole 2, and the plurality of anti-skid protrusions are arranged along the axial direction of the through hole 2 to limit the axial movement of the profile.

[0043] With reference to Figures 5 to 8 , the embodiment also discloses a profile cutting machine comprising the chuck.

[0044] In some embodiments, with reference to Figure 5 and Figure 6 , the profile cutting machine further comprises a rack 10, a front chuck 20, a rear chuck 30 and a cutting device 40, the chuck is used as the front chuck 20, the cutting device 40 is fixedly connected to the rack 10, and the rear chuck 30 and the front chuck 20 are slidably connected to the rack 10; when the tail section of the profile is cut, the front chuck 20 clamps the profile and moves to the side away from the rear chuck 30.

[0045] In the embodiment, when the tail section of the profile is cut, the second clamping jaw 32 clamps the profile, the rear chuck 30 releases the profile, and the front chuck 20 moves until the cutting device 40 is located between the front chuck 20 and the rear chuck 30, so that the cutting device 40 can process the tail end of the profile. The two-chuck cutting machine using the chuck as the front chuck 20 can reduce the generation of profile tailings, even to zero tailings, which is beneficial to improve the utilization rate of raw materials and thus improve the economic benefits.

[0046] In some embodiments, with reference to Figure 5 and Figure 6 , the profile cutting machine further comprises a front chuck driving device 50, the front chuck driving device 50 is arranged on the rack 10 and is in transmission connection with the front chuck 20, and the front chuck driving device 50 can drive the front chuck 20 to move forward and backward, so that the cutting device 40 cuts holes in the profile.

[0047] In the existing two-chuck cutting machine, if holes need to be cut in the tail section of the profile, the rear chuck 30 needs to move forward and backward to cooperate with the cutting device 40 to complete the cutting, and the front chuck 20 only needs to move to the front side of the cutting device 40.

[0048] In the embodiment, since only the front chuck 20 clamps the profile when the tail section of the profile is processed, if holes need to be cut in the tail section of the profile, the front chuck driving device 50 needs to drive the front chuck 20 to move forward and backward to cooperate with the cutting device 40 to complete the cutting. Such an arrangement enables the profile cutting machine to cut holes in the tail section of the profile while reducing tailings, expands the use range of the profile cutting machine and improves the production efficiency.

[0049] In some embodiments, referring to Figure 7 and Figure 8 The front chuck driving device 50 comprises a servo electric cylinder 501 or a servo motor 502.

[0050] In this embodiment, if the servo electric cylinder 501 is used to drive the front chuck 20 to move forward and backward, only the cylinder body of the servo electric cylinder 501 needs to be fixedly arranged on the rack 10, and the piston rod of the servo electric cylinder 501 is fixedly connected with the front chuck 20; if the servo motor 502 is used to drive the front chuck 20 to move forward and backward, the rack 60 needs to be arranged on the rack, the servo motor 502 is fixedly arranged opposite to the front chuck 20, a gear is arranged on the rotating shaft of the servo motor 502, and the gear is meshingly connected with the rack 60 to drive the front chuck 20 to move forward and backward.

[0051] The servo electric cylinder 501 or the servo motor 502 can provide relatively accurate moving precision for the front chuck 20, which is beneficial to improving the hole cutting precision when the hole is cut in the tail section of the profile, and improving the product quality.

[0052] The above only describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct / indirect application in other related technical fields under the inventive concept of the utility model, or the contents of the utility model specification and the drawings are included in the patent protection range of the utility model.

Claims

1. A chuck, characterized by: The chuck comprises a chuck body (1), a material passing hole (2), a jaw assembly (3) and a jaw driving device (4) are arranged on the chuck body (1), the jaw driving device (4) is in transmission connection with the jaw assembly (3), and the jaw assembly (3) comprises a plurality of roller jaws (31) arranged around the material passing hole (2); The jaw assembly (3) further comprises a plurality of second jaws (32) arranged around the material passing hole (2), and when the tail section of the profile is cut, the jaw driving device (4) drives a plurality of the second jaws (32) to be close to the axis of the material passing hole (2) to clamp and axially position the profile passing through the material passing hole (2).

2. The chuck of claim 1, wherein: The jaw driving device (4) comprises a plurality of second cylinders (41), and each of the plurality of second cylinders (41) corresponds to one of the plurality of second jaws (32), the second jaw (32) comprises a clamping block (321) fixedly connected to the piston rod of the second cylinder (41), and an anti-skid surface (3211) is arranged on the side surface of the clamping block (321) close to the axis of the material passing hole (2), and an anti-skid structure (33) is arranged on the anti-skid surface (3211) to axially position the profile.

3. The chuck of claim 2 wherein: The jaw assembly (3) comprises two oppositely arranged first roller jaws (311), the first roller jaw (311) comprises a first jaw frame (3111), two first rollers (3112) are arranged on the first jaw frame (3111) along the axis direction of the material passing hole (2), the second cylinder (41) is arranged on the first jaw frame (3111), and the clamping block (321) is located between the two first rollers (3112).

4. The chuck of claim 3 wherein: The jaw assembly (3) further comprises two oppositely arranged second roller jaws (312), and the two first roller jaws (311) and the two second roller jaws (312) are arranged around the material passing hole (2) in an interlaced and uniform manner.

5. The chuck of claim 4 wherein: The second roller jaw (312) comprises a second jaw frame (3121), and two second rollers (3122) are arranged on the second jaw frame (3121) along the axis direction of the material passing hole (2), and the two second rollers (3122) are respectively located on the front side and the rear side of the clamping block (321).

6. The chuck of claim 2 wherein: The anti-skid structure (33) comprises anti-skid protrusions (331) uniformly arranged on the anti-skid surface (3211).

7. A profile cutting machine, characterized by: The chuck comprises the chuck according to any one of claims 1 to 6.

8. A profile cutting machine according to claim 7, characterized in that: Further comprising a rack (10), a front chuck (20), a rear chuck (30) and a cutting device (40), the chuck is used as the front chuck (20), the cutting device (40) is fixedly connected to the rack (10), and the rear chuck (30) and the front chuck (20) are slidably connected to the rack (10), when the tail section of the profile is cut, the front chuck (20) clamps the profile and moves to the side away from the rear chuck (30) of the cutting device (40).

9. A profile cutting machine according to claim 8, characterized in that: The front chuck driving device (50) is arranged on the frame (10) and is in driving connection with the front chuck (20), and the front chuck driving device (50) can drive the front chuck (20) to move forward and backward, so that the cutting device (40) cuts holes on the profile.

10. A profile cutting machine according to claim 9, characterized in that: The front chuck driving device (50) comprises a servo electric cylinder (501) or a servo motor (502).

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