CN222806157U

CN222806157U - A milling device with a combined tool holder

Info

Publication number: CN222806157U
Application number: CN202421765919.5U
Authority: CN
Inventors: 赵延胜; 葛承意; 戴跃前
Original assignee: Jinan Chenhe Machine Co ltd
Current assignee: Jinan Chenhe Machine Co ltd
Priority date: 2024-07-24
Filing date: 2024-07-24
Publication date: 2025-04-29
Anticipated expiration: 2034-07-24

Abstract

The utility model provides a milling device of a combined tool rest; the utility model relates to a section bar processing equipment field, a plurality of functional holes to the same section position on the whole section bar of present are located the problem that processing leads to the error accumulation from a plurality of positions respectively, carry on a plurality of milling heads respectively through configuration double knife rest, encircle the setting on the ring of section bar conveying path, a plurality of milling heads can work respectively and accomplish the processing of functional hole on the section bar, simultaneously, milling head sharing knife rest can unify the location benchmark, reduce the error accumulation to improve the machining precision.

Description

Milling device of combined tool rest

Technical Field

The utility model relates to the field of profile machining equipment, in particular to a milling device of a combined tool rest.

Background

In the processing of plastic profiles, milling of the openings is required. Depending on the material and shape of the plastic, a suitable milling tool is chosen to ensure the quality and efficiency of the opening. During processing, the rotating speed and the feeding amount of the cutter are required to be controlled, the accuracy of the position of the opening is guaranteed, and efficient, accurate and stable processing effects are achieved.

Chinese patent (publication No. CN 210208807U) discloses a plastic profile milling machine with a cutter adjusting device, a cutter adjusting assembly capable of adjusting the inclination angle of a telescopic cylinder is arranged on a frame, a window frame is placed on a workbench in operation, a clamping assembly is opened to clamp, the inclination angles of the telescopic cylinder and an oblique angle cutter set are adjusted through the cutter adjusting assembly, then a driving cylinder is opened to mill the workbench, the door and window frame, the horizontal cutter set, the vertical cutter set and the oblique angle cutter set from three different directions respectively, and the oblique angle cutter set can cope with complex cutting working conditions to adjust the angle, thereby improving milling precision. But it is applicable to the section bar after having cut off the equipment, and the section bar axial is shorter, is convenient for carry out the location, and to not cutting off and carry out milling process function hole in advance to whole section bar when, the scattered cutter of arranging needs to carry out multiple location to when processing different position function hole, need carry out pull adjustment position to the work piece, lead to error accumulation easily, lead to there is great deviation in the relative position between a plurality of function holes on the same festival section, influence installation of hardware on the section after switching, installation of set screw etc..

Disclosure of utility model

The utility model aims at overcoming the defects of the prior art, and provides a milling device with a combined tool rest, which is provided with a plurality of milling heads respectively carried by a double tool rest, and the milling heads are circumferentially arranged from the ring direction of a section bar conveying path, so that the milling heads can respectively work to finish the processing of functional holes on the section bar, and meanwhile, the milling heads share the tool rest and can uniformly position a reference, so that the error accumulation is reduced, and the processing precision is improved.

In order to achieve the above purpose, the following technical scheme is adopted:

a milling apparatus for a composite tool holder, comprising:

The tool rest comprises horizontal limbs and vertical limbs with end parts in butt joint, the two sides of the profile conveying path are respectively provided with the tool rest, and the profile conveying path is positioned between the horizontal limbs of the different side tool rests and between the horizontal limbs of the different side tool rests;

The milling heads are respectively connected with the horizontal limbs and the vertical limbs of the tool rest in a sliding way, the milling heads are connected with the tool rest through telescopic mechanisms, and the milling heads of the milling heads face the section bar conveying path;

The positioning assembly is provided with a triaxial movement mechanism, and the output end of the triaxial movement mechanism is connected with the tool rest and used for driving the tool rest and the milling head to adjust the position relative to the section bar conveying path.

Further, the horizontal limb and the vertical limb of the tool rest are in an L shape after being butted, the concave side of the L-shaped structure faces the section bar conveying path, and a working channel for the section bar to pass through is formed between the two tool rests positioned on the two sides of the section bar conveying path.

Further, along the direction of the section bar conveying path, the upstream and the downstream of the working channel are respectively provided with a supporting frame, and the supporting frames are provided with guide grooves for placing the section bars.

Further, the milling machine heads comprise a first milling machine head arranged on the horizontal limb and a second milling machine head arranged on the vertical limb, the axes of the milling machine heads corresponding to the first milling machine head are vertically distributed, and the axes of the milling machine heads corresponding to the second milling machine head are horizontally distributed.

Further, the milling machine head further comprises a third milling machine head arranged on the tool rest, and the axes of the milling machine heads corresponding to the third milling machine head are distributed obliquely relative to the horizontal plane and face the edge line of the section bar.

Further, the milling heads on all the tool holders are sequentially arranged at intervals around the profile conveying path.

Further, the main body part of the telescopic mechanism is fixed on the tool rest, the output part of the telescopic mechanism is connected with the milling machine head, and the moving path of the output part of the telescopic mechanism is parallel to the sliding path of the milling machine head relative to the tool rest.

Further, the triaxial movement mechanism comprises three groups of translation units which are sequentially connected and respectively correspond to X-direction translation, Y-direction translation and Z-direction translation, wherein the X-direction translation is parallel to the direction of a section bar conveying path, the Y-direction translation is parallel to the distribution direction of horizontal limbs, and the Z-direction translation is parallel to the distribution direction of vertical limbs.

Further, the translation unit comprises a sliding rail, a sliding block, a carrier plate and a screw nut mechanism, wherein the carrier plate is matched with the sliding rail through the sliding block in a sliding way, the carrier plate is connected with the guide rail or the tool rest of other translation units, and the screw nut mechanism is connected with the carrier plate to drive the carrier plate to translate along the sliding rail.

Further, the screw-nut mechanism comprises a screw and a nut matched with the screw, the nut is rotationally connected to the carrier plate through a support, and one end of the screw is connected with the translational driving element.

Compared with the prior art, the utility model has the advantages and positive effects that:

(1) The milling machine head is characterized in that a plurality of milling machine heads are respectively mounted by arranging double tool rests, the milling machine heads are circumferentially arranged on the section conveying path, the milling machine heads can respectively work to finish the processing of the functional holes on the section, meanwhile, the milling machine heads share the tool rest to uniformly position a reference, so that error accumulation is reduced, and processing precision is improved.

(2) The milling machine head is suitable for the side walls in the vertical direction and the front-rear direction of the profile, is provided with milling machine heads corresponding to the side walls, is convenient for correspondingly processing the functional holes on different side walls, and the milling mechanism with the inclined axis can be suitable for processing the water tanks distributed at the edge positions, so that the processing requirements of various functional holes on the profile are met.

(3) The corresponding triaxial moving mechanism is configured for each L-shaped cutter holder, the cutter holder is driven to adjust triaxial directions, the position requirement of each milling machine head carried on the cutter holder during processing is met, and the feeding mechanism configured by the milling mechanism is combined, so that accurate processing of functional holes is realized, and processing precision is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

Fig. 1 is a schematic view of a milling device of a combined tool holder according to an embodiment of the utility model.

Fig. 2 is a schematic side view of a milling device incorporating a toolholder in accordance with an embodiment of the utility model.

Fig. 3 is a schematic view of a triaxial motion mechanism of a milling device for a composite tool holder according to an embodiment of the present utility model.

Fig. 4 is a schematic view of the relative positions of the milling device and the profile of the combined tool holder according to the embodiment of the utility model.

In the figure, a tool rest 1, a horizontal limb 2, a vertical limb 3, a section conveying path 4, a section 5, a milling head 6, a first milling head 7, a second milling head 8, a third milling head 9, a three-axis motion mechanism 10, a supporting frame 11, a 12X-direction translation unit, a 13Y-direction translation unit, a 14Z-direction translation unit, a carrier plate 15, a lead screw nut mechanism 16 and a telescopic mechanism 17.

Detailed Description

In an exemplary embodiment of the present utility model, as shown in fig. 1-4, a milling apparatus for a composite tool holder is provided.

At present, a single milling head is sequentially arranged along the conveying direction of the profile 5, milling processing is carried out from a plurality of positions to obtain functional holes, the problem of low processing efficiency is caused, and meanwhile, a plurality of heads are adopted to work respectively, so that the problem of inconsistent processing reference is caused, and error accumulation is generated. Based on this, the embodiment provides a milling device of a combined tool rest, through sharing the tool rest 1, unified positioning reference is realized, error accumulation is effectively reduced, and machining precision is improved.

Referring to fig. 1, the milling device of the combined tool rest comprises tool rest 1, milling machine heads 6 and a positioning component, wherein the tool rest 1 is respectively arranged on two sides of a section bar conveying path 4, the two tool rest 1 are oppositely arranged, the section bar conveying path 4 is positioned between the two tool rest 1 which are oppositely arranged, a plurality of milling machine heads 6 are respectively arranged on the tool rest 1, the milling machine heads 6 on the tool rest 1 can respectively mill the section bar 5 on a groove conveying path, functional holes are formed in the section bar 5 and serve as drainage grooves, hardware mounting holes and the like, the positioning component can drive the tool rest 1 and the milling machine heads 6 on the tool rest 1 to move, and the position of the tool rest 1 and the position of the milling machine heads 6 are adjusted, so that the relative positions of the milling heads at the tail ends of the milling machine heads 6 and the section bar 5 are changed, and accurate processing of the section bar 5 is facilitated.

As shown in fig. 2, the tool holders 1 are L-shaped, each tool holder 1 includes a horizontal limb 2 and a vertical limb 3, and two tool holders 1 are respectively disposed on both sides of the profile conveying path 4, and one tool holder 1 is located at the upper left side of the profile conveying path 4 and the other tool holder 1 is located at the lower right side of the profile conveying path 4, taking the position shown in fig. 2 as an example. And, a working channel is formed between two oppositely arranged knife holders 1, through which the profile 5 passes, through which working channel the profile conveying path 4 passes.

The profile conveying path 4 is located between the horizontal limb 2 of one tool holder 1 and the horizontal limb 2 of the other tool holder 1 and between the vertical limb 3 of one tool holder 1 and the vertical limb 3 of the other tool holder 1, the horizontal limbs 2 of both tool holders 1 being arranged in the horizontal direction and the vertical limbs 3 of both tool holders 1 being distributed in the vertical direction.

As shown in fig. 2, the horizontal limb 2 and the vertical limb 3 of the tool rest 1 are in an L shape after being butted, the concave side of the L-shaped structure faces the profile conveying path 4, and a working channel for the profile 5 to pass through is formed between the two tool rests 1 positioned on two sides of the profile conveying path 4.

The horizontal limb 2 and the vertical limb 3 of the tool rest 1 are respectively and slidably connected with a milling machine head 6, and the milling machine head 6 is arranged on the tool rest 1 through sliding pairs such as a sliding rail and sliding block mechanism and the like, so that the guiding of the milling machine head 6 in the moving process is realized. The milling machine head 6 can stretch out the milling head output from the tail end to the working channel, milling is carried out on the section bar 5 in the working channel, and the milling machine head 6 can draw the milling head back into the range of the tool rest 1, so that the section bar 5 in the working channel is avoided in a non-working state, and the influence on the processing of other milling machine heads 6 is reduced.

The main body of the telescopic mechanism 17 is fixed to the tool holder 1, the output of the telescopic mechanism 17 is connected to the milling head 6, and the movement path of the output of the telescopic mechanism 17 is parallel to the sliding path of the milling head 6 relative to the tool holder 1.

In order to realize the feeding and retracting process of the milling head, the milling head 6 is connected with the tool rest 1 through a telescopic mechanism 17, and the position is adjusted according to the requirement, so that the feeding processing and retracting avoidance are realized. The milling heads of each milling head 6 face the profile conveying path 4, so that the profile 5 is processed. In this embodiment, the telescopic member may be a linear telescopic member such as an air cylinder or an electric cylinder, so as to drive the milling head 6 to move relative to the frame, thereby realizing feeding milling and retracting the avoidance profile 5. When the air cylinder is adopted, the cylinder body part of the air cylinder is fixed on the tool rest 1, the end of the piston rod of the cylinder is used as the cylinder the output end is connected with a milling machine head 6, the milling head 6 is driven in.

The milling machine head 6 can adopt a combination of a servo motor and a milling cutter, the output end of the servo motor is connected with the milling cutter, and the milling cutter is driven to rotate to process the section bar 5.

As shown in fig. 2 and 3, a positioning assembly is also provided for more precise control of the position of the milling head. The positioning assembly comprises a triaxial movement mechanism 10, the output end of which is connected with the tool rest 1, and the movement of the tool rest 1 and the milling head in a three-dimensional space can be realized, so that the position of the tool rest 1 and the milling head relative to the profile conveying path 4 can be accurately adjusted.

As shown in fig. 4, by installing a plurality of milling heads on the tool rest 1, the functional holes of the section bars 5 are processed in different directions, the milling heads 6 are driven to work as required, the processing requirements of the functional holes of different section bars 5 are adapted, and the processing efficiency is greatly improved.

Through the accurate control of the shared tool rest 1 and the positioning component, the milling machine head 6 arranged on the same tool rest 1 realizes unified positioning reference and accurate position adjustment, effectively reduces error accumulation and improves machining precision. Since the milling head 6 can slide on the tool holder 1 and be adjusted by means of the telescopic mechanism 17, the number and position of the milling heads 6 can be flexibly configured according to different machining requirements.

In this embodiment, the holes to be machined in the profile 5 may vary according to the application and industry requirements. The through holes are commonly used as drainage grooves and drainage holes, the blind holes can be used for various fixing and connecting requirements, the threaded holes are used for being matched with screws or bolts to realize connection with other components, and the connecting holes or decorating holes can be formed.

In the conveying and processing process of the section bar 5, the section bar 5 may deviate or shake due to the action of own weight or processing force, so that the processing precision is reduced, in this embodiment, the support frame 11 is arranged at the upstream and downstream of the section bar conveying path 4, and the guide groove is arranged on the support frame 11 and used for positioning and fixing the section bar 5, and the section bar 5 can keep stable in the conveying process, so that deviation and shake are avoided, and the processing precision is improved.

During the processing of the profile 5, milling operations in different directions are required according to the geometry of the profile 5 and the distribution position of the functional holes. In this embodiment, the first milling head 76 and the second milling head 86 are respectively mounted on the horizontal limb 2 and the vertical limb 3, and the axes of the milling heads in different directions are set to adapt to the milling requirements in different directions, so that milling of the section bar 5 in multiple directions can be realized, and the flexibility and efficiency of the milling are improved.

The edges of the profile 5 need to be subjected to a fine milling process in order to meet the specific geometry and functional hole requirements in this position. In this embodiment, a third milling head 96 is mounted on the tool holder 1 and is arranged with its milling head axis inclined towards the edge of the profile 5, so as to achieve a fine milling of the edge. The milling heads distributed in an inclined mode can be used for finely machining the 5 edge lines of the profile, and machining precision and machining quality are improved.

The milling heads 6 are sequentially arranged on the tool rest 1 at intervals around the section bar conveying path 4, so that milling of a plurality of positions of the section bar 5 is realized, and the processing efficiency and the processing precision are improved.

As shown in fig. 3, in the machining process, precise three-dimensional motion control needs to be performed on the milling head 6, for this purpose, in this embodiment, a triaxial motion mechanism 10 is adopted, and includes three groups of translation units, namely an X-direction translation unit 12, a Y-direction translation unit 13 and a Z-direction translation unit 14, which are sequentially connected, and the three groups of translation units are used to implement translation in the X-direction, the Y-direction and the Z-direction respectively, so as to implement precise three-dimensional motion control on the milling head 6.

As shown in fig. 4, the translation unit includes a slide rail, a slide block, a carrier plate 15 and a screw nut mechanism 16, the carrier plate 15 is slidably matched with the slide rail through the slide block, the carrier plate 15 is connected with the guide rail or the tool rest 1 of other translation units, the screw nut mechanism 16 is connected with the carrier plate 15 to drive the carrier plate 15 to translate along the slide rail, the slide rail is a guide of movement, the slide block is matched with the slide rail to realize stable sliding, the carrier plate 15 is connected with other translation units or the tool rest 1, and the screw nut mechanism 16 provides power to drive the carrier plate 15 to translate along the slide rail, so that accurate and stable movement of the translation unit is realized.

In this embodiment, the carrier plate 15 corresponding to the Z-direction translation unit 14 is connected to the tool rest 1, and three-dimensional motion control of the tool rest 1 and the milling head thereon is achieved through simultaneous or separate actions of three groups of translation units.

The screw-nut mechanism 16 includes a screw and a nut that cooperates with the screw, the nut is rotatably connected to the carrier plate 15 through a support, one end of the screw is connected to the translational drive element, the screw-nut mechanism 16 cooperates with the nut through the screw, and when the screw rotates, the nut moves linearly in the axial direction of the screw. The nut is connected to the carrier plate 15 through the support seat rotation, so that stable and accurate movement of the nut is ensured. One end of the screw rod is connected with a translational driving element, the translational driving element can adopt a servo motor, a stepping motor and the like, and the precise control of the rotation of the screw rod can be realized by controlling the rotation of the translational driving element, so that the precise control of the motion of the carrier plate 15 is realized.

The accurate position and angle of the milling machine head 6 in the machining process are ensured, and the machining precision and the machining quality are improved. Meanwhile, due to the stability of the screw nut mechanism 16, the service life of the device is also prolonged.

The corresponding triaxial moving mechanism is configured for each L-shaped tool rest 1, the tool rest 1 is driven to adjust in triaxial directions, the position requirement of each milling machine head 6 carried on the tool rest 1 during processing is met, and the feeding mechanism configured by the milling mechanism is combined, so that accurate processing of functional holes is realized, and processing precision is improved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A milling apparatus for a composite tool holder, comprising:

2. The milling device of the combined tool rest according to claim 1, wherein the horizontal limb and the vertical limb of the tool rest are in an L shape after being butted, the concave side of the L-shaped structure faces the profile conveying path, and a working channel for the profile to pass through is formed between the two tool rests positioned on two sides of the profile conveying path.

3. Milling device for a combined tool holder according to claim 2, characterized in that the upstream and downstream of the working channel in the direction of the profile conveying path are provided with support frames, respectively, on which guide grooves for the profile are provided.

4. The milling device of the combined tool rest according to claim 1, wherein the milling heads comprise a first milling head mounted on a horizontal limb and a second milling head mounted on a vertical limb, the axes of the milling heads corresponding to the first milling head are vertically distributed, and the axes of the milling heads corresponding to the second milling head are horizontally distributed.

5. The milling device of a combined tool holder according to claim 1 or 4, characterized in that the milling head further comprises a third milling head mounted to the tool holder, the milling head axes of the third milling head being inclined with respect to the horizontal and facing the edges of the profile.

6. The milling apparatus of the combined tool post of claim 5 wherein the milling heads on all tool posts are sequentially spaced around the profile feed path.

7. The milling device of a combined tool holder according to claim 1, wherein the body part of the telescopic mechanism is fixed to the tool holder, the output part of the telescopic mechanism is connected to the milling head, and the movement path of the output part of the telescopic mechanism is parallel to the sliding path of the milling head relative to the tool holder.

8. The milling device of the combined tool rest according to claim 1, wherein the triaxial movement mechanism comprises three groups of translation units which are sequentially connected and respectively correspond to the translations in the X direction, the Y direction and the Z direction, wherein the translations in the X direction are parallel to the direction of a section bar conveying path, the translations in the Y direction are parallel to the distribution direction of horizontal limbs, and the translations in the Z direction are parallel to the distribution direction of vertical limbs.

9. The milling device of the combined tool rest according to claim 8, wherein the translation unit comprises a slide rail, a slide block, a carrier plate and a screw nut mechanism, the carrier plate is in sliding fit with the slide rail through the slide block, the carrier plate is connected with the guide rail or the tool rest of the other translation unit, and the screw nut mechanism is connected with the carrier plate to drive the carrier plate to translate along the slide rail.

10. The milling device of a composite tool holder according to claim 9, wherein the screw nut mechanism comprises a screw and a nut cooperating with the screw, the nut being rotatably connected to the carrier plate by a support, one end of the screw being connected to the translational drive element.