Machining device with tool magazines and composite tool bits arranged in layered mode and machining center

Abstract

The utility model provides a machining device with tool magazines and composite tool bits arranged in a layered mode and a machining center, and relates to the technical field of plate machining. Composite tool bit modules and tool magazine modules in the machining device are arranged in a layered mode, and the composite tool bit modules used for containing composite tool bits are arranged on at least one side of a working table. The cross beam is transversely arranged above the working table top and extends to the position above the composite tool bit module; the machine head module is movably fixed to one side of the cross beam, a first driving part of the machine head module is used for driving the machine head module to move to the position above the composite tool bit along the cross beam, and a second driving part is connected with the motorized spindle and used for driving the motorized spindle to descend and make contact with the composite tool bit so as to replace the composite tool bit. According to the embodiment of the invention, the composite tool bit and the tool magazine for placing the tool are arranged in a layered manner, the rapid replacement of the composite tool bit can be realized in a mechanical manner, the problem that the composite tool bit needs to be manually replaced is solved, the operation is simple, the labor cost is effectively reduced, and the machining efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of sheet processing. Specifically, the present application relates to a processing device and a machining center in which a tool magazine and a composite tool head are arranged in layers. Background Art

[0002] Sheet processing is to make wood into standard-sized flat rectangular building material boards, which are applied to the construction industry and the decoration industry, or used in furniture production, etc., and are used as components for walls, ceilings or floors. Sheet processing includes a series of processes such as sawing, drilling, milling, and grinding. Commonly used sheet processing equipment includes panel saws, machining centers and other mechanical equipment.

[0003] During the sheet processing process, in addition to using tools to process the front side of the sheet, a composite tool head is often required to process the side of the sheet. Therefore, the operator of the operating equipment needs to manually replace the composite tool head for the equipment according to the processing progress of the sheet from time to time, resulting in cumbersome manual replacement operations of the composite tool head, increasing labor cost losses and reducing processing efficiency. Utility Model Content

[0004] The embodiments of the present application provide a processing device and a machining center in which a tool magazine and a composite tool head are arranged in layers, which can solve the problems that the existing operators need to manually replace the composite tool head, the operation is cumbersome, the labor cost loss is large, and the processing efficiency is low.

[0005] To achieve this purpose, the embodiments of the present application provide the following several solutions.

[0006] According to one aspect of the embodiments of the present application, a processing device in which a tool magazine and a composite tool head are arranged in layers is provided, including a cross beam, a composite tool head module, a tool magazine module provided with a tool magazine, and a machine head module. The composite tool head module and the tool magazine module are arranged in layers. The composite tool head module is arranged on at least one side of the workbench surface, and the composite tool head module is used for placing composite tool heads;

[0007] The cross beam is horizontally arranged above the workbench surface, and the cross beam extends above the composite tool head module;

[0008] The machine head module is movably fixed on one side of the cross beam. The machine head module includes an electric spindle, a first driving member, and a second driving member. The first driving member is used for driving the machine head module to move along the cross beam to above the composite tool head, and the second driving member is connected to the electric spindle. The second driving member is used for driving the electric spindle to descend and contact the composite tool head to replace the composite tool head.

[0009] In a possible implementation, the composite tool head module includes a composite tool head tool rest base and a tool holder base. The composite tool head tool rest base is fixed to one side of the workbench surface. The tool holder base is arranged inside the composite tool head tool rest base, and the composite tool head is placed in the tool holder base.

[0010] In a possible implementation, the composite tool head module further includes a rotary cylinder and a composite tool head cover. The composite tool head cover is movably connected to the composite tool head tool rest base and is used to shield the composite tool head.

[0011] The rotary cylinder is connected to the composite tool head cover and is used to open or close the composite tool head cover.

[0012] In a possible implementation, the composite tool head module further includes a rotary support and a cylinder support. The cylinder support is fixed to the bottom of the rotary cylinder, and the rotary support is arranged on the top of the rotary cylinder and is connected to the composite tool head cover.

[0013] In a possible implementation, the processing device with the tool magazine and the composite tool head arranged in layers further includes a first guide rail. The first guide rail is arranged on one side of the cross beam, and the head module is movably fixed to the first guide rail to move along the first guide rail to the upper part of the composite tool head module.

[0014] In a possible implementation, the second driving member includes a main shaft lifting cylinder and a main shaft guide rail. The main shaft guide rail is fixed to one side of the main shaft lifting cylinder, and the electric main shaft is movably fixed to the main shaft guide rail.

[0015] The lifting end of the main shaft lifting cylinder is connected to the electric main shaft to adjust the height of the electric main shaft.

[0016] In a possible implementation, the head module further includes a drill package module. The drill package module is connected to the main shaft lifting cylinder and is arranged on the side of the electric main shaft away from the composite tool head module.

[0017] In a possible implementation, it further includes a tool magazine module provided with a tool magazine. The tool magazine module is movably fixed on the cross beam and is located between the head module and the composite tool head module.

[0018] The tool magazine includes a plurality of tools matching the electric main shaft, and the height of the tool magazine corresponds to the adjustable height of the main shaft lifting cylinder.

[0019] In a possible implementation, the tool magazine module further includes a tool magazine guide rail and a tool magazine cylinder. The tool magazine guide rail is movably fixed to one side of the crossbeam where the spindle head module is provided. The tool magazine is movably fixed to the tool magazine guide rail. The tool magazine cylinder is connected to the tool magazine to drive the tool magazine to move along the tool magazine guide rail.

[0020] According to one aspect of the embodiments of the present application, a machining center is provided. The machining center is used for sheet metal processing and includes the machining device with the tool magazine and the composite tool head arranged in layers as described above.

[0021] The beneficial effects brought by the technical solution provided by the embodiments of the present application are as follows:

[0022] In the machining device provided by the present application, the composite tool head module and the tool magazine module are arranged in layers. The composite tool head module is provided on at least one side of the workbench surface and is used for placing the composite tool head. The crossbeam is horizontally arranged above the workbench surface and extends above the composite tool head module. The spindle head module is movably fixed to one side of the crossbeam. The spindle head module includes an electric spindle, a first driving member, and a second driving member. The first driving member is used to drive the spindle head module to move along the crossbeam to above the composite tool head. The second driving member is connected to the electric spindle and is used to drive the electric spindle to descend and contact the composite tool head to replace the composite tool head. By arranging the composite tool head module and the tool magazine module in layers in the embodiments of the present application and placing the composite tool head on one side of the workbench surface, and moving the electric spindle to the position where the composite tool head is located by using the first driving member and the second driving member, the rapid replacement of the composite tool head can be realized mechanically, the problem of manual replacement of the composite tool head can be solved, the operation is simple, the labor cost can be effectively reduced, and the processing efficiency can be improved. Description of the Drawings

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description in the embodiments of the present application.

[0024] Figure 1 The front view of the machining device with the tool magazine and the composite tool head arranged in layers provided by the embodiments of the present application;

[0025] Figure 2 The side view of the machining device with the tool magazine and the composite tool head arranged in layers provided by the embodiments of the present application;

[0026] Figure 3 The structure diagram of the machining center provided by the embodiments of the present application.

[0027] Description of reference numerals: 1. Main shaft dust suction cylinder; 2. C-axis; 3. Composite tool head cover; 4. Composite tool head; 5. Rotary support; 6. Rotary cylinder; 7. Cylinder bracket; 8. Tool holder seat; 9. Composite tool head tool rest seat; 10. Cross beam; 11. First guide rail; 12. Drill package module; 13. Z-axis lifting member; 14. Main shaft lifting cylinder; 15. Tool magazine guide rail; 16. Tool magazine cylinder; 17. Tool magazine; 18. Y-axis rack; 19. Electric main shaft. Detailed implementation manners

[0028] The embodiments of the present application will be described below with reference to the accompanying drawings in the present application. It should be understood that the implementation manners described below in conjunction with the accompanying drawings are exemplary descriptions for explaining the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions of the embodiments of the present application.

[0029] Those skilled in the art of the present technology can understand that unless specifically stated otherwise, the singular forms "a", "an", "the" and "said" used herein may also include the plural forms. It should be further understood that the terms "including" and "comprising" used in the embodiments of the present application mean that the corresponding features can be implemented as the presented features, information, data, steps, operations, elements, and / or components, but do not exclude being implemented as other features, information, data, steps, operations, elements, components, and / or their combinations supported by the art of the present technology. It should be understood that when we say an element is "connected" or "coupled" to another element, the one element can be directly connected or coupled to the other element, or it can mean that the one element and the other element establish a connection relationship through an intermediate element. In addition, the "connection" or "coupling" used here can include wireless connection or wireless coupling. The term "and / or" used here indicates at least one of the items defined by the term, for example, "A and / or B" indicates being implemented as "A", or being implemented as "B", or being implemented as "A and B".

[0030] To make the purpose, technical solutions and advantages of the present utility model clearer, the implementation manners of the present utility model will be further described in detail below with reference to the accompanying drawings.

[0031] The technical solutions of the embodiments of the present utility model and the technical effects produced by the technical solutions of the present utility model will be described below through the description of several exemplary implementation manners. It should be noted that the following implementation manners can be referred to, learned from or combined with each other. For the same terms, similar features and similar implementation steps in different implementation manners, they will not be described repeatedly.

[0032] The processing device and the machining center provided by the present application with a tool magazine and a composite tool head arranged in layers aim to solve at least one technical problem existing in the prior art.

[0033] In an embodiment of the present application, a processing device with a tool magazine and a composite tool head arranged in layers is provided. As Figures 1 - 3 shown, the processing device can be installed on a machining center for processing plates. The processing device includes a cross beam 10, a composite tool head module, a tool magazine module provided with a tool magazine 17, and a machine head module. The composite tool head module and the tool magazine module are arranged in layers. The composite tool head module is arranged on at least one side of the workbench surface. The composite tool head module is used to place the composite tool head 4. The cross beam 10 is horizontally arranged above the workbench surface, and the cross beam 10 extends above the composite tool head module. The machine head module is movably fixed on one side of the cross beam 10. The machine head module includes an electric spindle 19, a first driving member, and a second driving member. The first driving member is used to drive the machine head module to move along the cross beam 10 to above the composite tool head 4. The second driving member is connected to the electric spindle 19, and the second driving member is used to drive the electric spindle 19 to descend and contact the composite tool head 4 to replace the composite tool head 4. Among them, the composite tool head 4 can be a right-angle head. To facilitate tool or composite tool head 4 replacement, the composite tool head module and the tool magazine module may not overlap in the vertical direction.

[0034] Optionally, the electric spindle 19 may include a spindle dust suction cylinder 1 and a C-axis 2. The C-axis 2 is arranged at the bottom of the electric spindle 19 and is used to install a tool or a composite tool head 4. The spindle dust suction cylinder 1 is sleeved on the lower part of the electric spindle 19 and is located above the C-axis 2. Dust generated during the processing of the electric spindle 19 is sucked through the spindle dust suction cylinder 1.

[0035] Optionally, the cross beam 10 may be a Y-axis cross beam. Y-shaped brackets are provided at both ends of the Y-axis cross beam. The Y-shaped brackets are movably fixed on both sides of the workbench surface. Among them, tracks may be correspondingly provided on both sides of the workbench surface. The Y-shaped brackets may be engaged and connected with the tracks, and racks for the Y-axis cross beam to move may be provided on the tracks.

[0036] Optionally, a motor or a cylinder may be provided on the Y-shaped bracket at one end or both ends of the Y-axis cross beam, and the motor or the cylinder is used to drive the Y-axis cross beam to move along the workbench surface.

[0037] Optionally, the composite tool head module includes a composite tool head tool rest seat 9 and a tool clamp seat 8. The composite tool head tool rest seat 9 is fixed on one side of the workbench surface. The tool clamp seat 8 is arranged in the composite tool head tool rest seat 9, and the composite tool head 4 is placed in the tool clamp seat 8.

[0038] Optionally, the composite tool head tool rest seat 9 may be connected to the Y-shaped bracket at one end of the Y-axis cross beam, and the composite tool head tool rest seat 9 and the connected Y-shaped bracket are fixed on the same track, so that the composite tool head tool rest seat 9 follows the Y-axis cross beam to move.

[0039] In one embodiment, the composite tool head 4 can be placed on the tool clamp seat 8 in a hanging manner, and the lower part of the composite tool head 4 may protrude from the composite tool head tool rest seat 9.

[0040] Optionally, the composite cutter head module further includes a rotary cylinder 6 and a composite cutter head cover 3. The composite cutter head cover 3 is movably connected to the composite cutter head tool rest base 9 and is used to shield the composite cutter head 4. The rotary cylinder 6 is connected to the composite cutter head cover 3 and is used to open or close the composite cutter head cover 3. Among them, the composite cutter head cover 3 can be rotated by the drive of the rotary cylinder 6, so as to realize the opening or closing of the composite cutter head cover 3. When the composite cutter head cover 3 is opened, the composite cutter head cover 3 is far away from the composite cutter head 4, leaving a space for replacing the composite cutter head 4. When the composite cutter head cover 3 is closed, the composite cutter head cover 3 moves above the composite cutter head 4 to shield the composite cutter head 4.

[0041] In one embodiment, the composite cutter head cover 3 includes a top plate and a side plate. The side plate is arranged on one side of the composite cutter head 4, and the top plate is connected to one side of the side plate. When the composite cutter head cover 3 is closed, the top plate is located at the top of the composite cutter head 4. Among them, the side of the side plate close to the workbench surface is arc-shaped, and the side of the top plate close to the workbench surface is provided with an arc angle corresponding to the arc.

[0042] Optionally, the composite cutter head module further includes a rotary support 5 and a cylinder support 7. The cylinder support 7 is fixed to the bottom of the rotary cylinder 6. The rotary support 5 is arranged on the top of the rotary cylinder 6 and is connected to the composite cutter head cover 3. The rotary cylinder 6 is fixed in the composite cutter head tool rest base 9 through the cylinder support 7. Moreover, the rotating end of the rotary cylinder 6 is connected to the rotary support 5 to drive the composite cutter head cover 3 to move through the rotary support 5.

[0043] Optionally, the processing device with a replaceable composite cutter head 4 further includes a first guide rail 11. The first guide rail 11 is arranged on one side of the cross beam 10, and the machine head module is movably fixed to the first guide rail 11 to move along the first guide rail 11 above the composite cutter head module.

[0044] In one embodiment, the number of the first guide rails 11 is two, and the two first guide rails 11 are arranged in parallel on one side of the cross beam 10. Among them, the machine head module can be movably fixed on the first guide rail 11 by an embedding method. The first driving member drives the machine head module to move along the cross beam 10 through the first guide rail 11. Among them, the first driving member can be a cylinder, a servo motor, and other driving devices capable of driving the machine head module to move.

[0045] Optionally, the second driving member includes a main shaft lifting cylinder 14 and a main shaft guide rail. The main shaft guide rail is fixed to one side of the main shaft lifting cylinder 14, and the electric main shaft 19 is movably fixed to the main shaft guide rail. The lifting end of the main shaft lifting cylinder 14 is connected to the electric main shaft 19 to adjust the height of the electric main shaft 19.

[0046] Optionally, the second driving member may include a guide rail fixing block, which is arranged on the side of the spindle lifting cylinder 14 away from the composite tool head module, and the spindle guide rail is arranged on the side of the guide rail fixing block away from the crossbeam 10. The guide rail fixing block may be movably fixed on the first guide rail 11, or may be fixedly connected to the portion where the spindle lifting cylinder 14 is connected to the first guide rail 11.

[0047] In one embodiment, the spindle lifting cylinder 14 is a three-position cylinder formed by two cylinders facing each other, and the height of the electric spindle 19 is adjusted according to the number of cylinders opened in the spindle lifting cylinder 14. Specifically, the adjustable height of the spindle lifting cylinder 14 can be divided into three types, which can be set to a high position, a middle position, and a low position respectively. When the composite cutter head 4 needs to be replaced, the spindle lifting cylinder 14 is placed in a low position to facilitate the electric spindle 19 to replace the composite cutter head 4.

[0048] Optionally, the head module further includes a drill package module 12, which is connected to the spindle lifting cylinder 14, and is arranged on a side of the electric spindle 19 away from the composite cutter head module. The drill package module 12 and the electric spindle 19 are used to perform different processing operations on the plate, and the spindle lifting cylinder 14 drives the drill package module 12 and the electric spindle 19 to rise and fall.

[0049] Optionally, in order to facilitate the replacement of the tool of the electric spindle 19, the head module may further include a Z-axis lifting member 13 and a Z-axis guide rail, wherein the Z-axis lifting member 13 is arranged on the side of the guide rail fixing block away from the spindle lifting cylinder 14, and the Z-axis guide rail is arranged on the side of the Z-axis lifting member 13 away from the guide rail fixing block. The Z-axis lifting member 13 may be fixed on the side of the guide rail fixing block, the drill package module 12 may be movably fixed on the Z-axis guide rail, and the Z-axis lifting member 13 may be connected to the drill package module 12. When the electric spindle 19 needs to replace the tool, the drill package module 12 may be driven to rise by the Z-axis lifting member 13, so that the electric spindle 19 and the drill package module 12 are staggered, so that the electric spindle 19 can be adjusted to the tool changing position.

[0050] In one embodiment, the Z-axis lifting member 13 may be a Z-axis servo motor, and the height of the drill package module 12 may be changed by the action of the Z-axis servo motor.

[0051] Optionally, in order to increase the number of replaceable tools, a tool magazine module is also included, which is movably fixed on the crossbeam 10 and is located between the machine head module and the composite tool head module; the tool magazine 17 includes a plurality of tools matching the electric spindle 19, and the height of the tool magazine 17 corresponds to the adjustable height of the spindle lifting cylinder 14.

[0052] Optionally, the cutting tools in the tool magazine 17 can be arranged in a ring, and a tool change position is provided in the tool magazine 17. The cutting tool to be replaced is adjusted to the tool change position by rotating the arranged cutting tools. Among them, a driving motor for driving the rotation of the cutting tools can be provided at the top of the tool magazine 17.

[0053] Optionally, for the convenience of the movement of the tool magazine module on the cross beam 10, the tool magazine module further includes a tool magazine guide rail 15 and a tool magazine cylinder 16. The tool magazine guide rail 15 is movably fixed to one side of the cross beam 10 where the machine head module is provided, the tool magazine 17 is movably fixed to the tool magazine guide rail 15, and the tool magazine cylinder 16 is connected to the tool magazine 17 to drive the tool magazine 17 to move along the tool magazine guide rail 15. Among them, when the tool to be replaced in the tool magazine 17 is rotated to the tool change position by the Z-axis lifting member 13 to adjust to the position where the cutting tool of the electric spindle 19 can be replaced, the tool magazine cylinder 16 pushes the tool magazine 17 to move along the tool magazine guide rail 15 to the electric spindle 19, completing the tool taking operation and the tool change operation.

[0054] In one embodiment, a Y-axis rack 18 can also be provided at the top of the cross beam 10. The Y-axis rack 18 is arranged along the extending direction of the cross beam 10. A part of the tool magazine cylinder 16 is connected to the tool magazine 17, and the other part is fixed to the top of the cross beam 10 and meshed with the Y-axis rack 18. The tool magazine cylinder 16 can move along the Y-axis rack 18 to drive the tool magazine 17 to move along the tool magazine guide rail 15. Among them, the tool magazine guide rail 15 can also move along the cross beam 10, and the driving device for driving the movement of the tool magazine guide rail 15 can be arranged on one side of the tool magazine guide rail 15 close to the cross beam 10. When the cutting tool in the tool magazine module needs to be replaced by the electric spindle 19, the spindle lifting cylinder 14 can be placed in the middle position. At this time, the height of the bottom of the electric spindle 19 corresponds to the height of the cutting tool in the tool magazine 17.

[0055] In the processing device with the tool magazine and the composite tool head arranged in layers according to the embodiment of the present application, the composite tool head module is arranged on at least one side of the workbench surface. The composite tool head module is used for placing the composite tool head; the cross beam is horizontally arranged above the workbench surface and extends above the composite tool head module; the machine head module is movably fixed to one side of the cross beam. The machine head module includes an electric spindle, a first driving member and a second driving member. The first driving member is used for driving the machine head module to move along the cross beam to above the composite tool head, and the second driving member is connected to the electric spindle. The second driving member is used for driving the electric spindle to descend and contact the composite tool head to replace the composite tool head. In the embodiment of the present application, the composite tool head is placed on one side of the workbench surface through the composite tool head module, and the electric spindle is moved to the position where the composite tool head is located by using the first driving member and the second driving member, so as to realize the rapid replacement of the composite tool head mechanically, which can solve the problem of manual replacement of the composite tool head, is simple to operate, effectively reduces the labor cost and improves the processing efficiency.

[0056] According to one aspect of the embodiment of the present application, a machining center is further provided, such as Figure 3As shown, the machining center is used for sheet metal processing. The machining center includes a machining device with a tool magazine and a composite tool head arranged in layers as described in the above embodiment, and a workbench for placing the sheet metal. The machining device with the tool magazine and the composite tool head arranged in layers is fixed to the workbench.

[0057] The terms "first", "second", "third", "fourth", "1", "2", etc. (if any) in the description, claims and above-mentioned drawings of this application are used to distinguish similar objects and do not necessarily have to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of this application described here can be implemented in an order other than that shown or described in words.

[0058] It should be understood that although the flowchart of the embodiments of this application indicates each operation step by an arrow, the execution order of these steps is not limited by the order indicated by the arrow. Unless there is a clear description in this article, in some implementation scenarios of the embodiments of this application, the implementation steps in each flowchart can be executed in other orders according to requirements. In addition, some or all of the steps in each flowchart may include multiple sub-steps or multiple stages based on the actual implementation scenario. Some or all of these sub-steps or stages can be executed at the same time, and each sub-step or stage among these sub-steps or stages can also be executed at different times respectively. In the scenario where the execution times are different, the execution order of these sub-steps or stages can be flexibly configured according to requirements, and the embodiments of this application do not limit this.

[0059] The above are only optional implementation manners of some implementation scenarios of this application. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical concept of the solution of this application, using other similar implementation means based on the technical idea of this application also belongs to the protection scope of the embodiments of this application.

Claims

1. A processing device with a tool magazine and a composite tool head arranged in layers, characterized in that, It includes a cross beam, a composite tool head module, a tool magazine module provided with a tool magazine, and a machine head module. The composite tool head module and the tool magazine module are arranged in layers. The composite tool head module is arranged on at least one side of the workbench surface and is used for placing composite tool heads. The cross beam is horizontally placed above the workbench surface and extends above the composite tool head module. The machine head module is movably fixed on one side of the cross beam. The machine head module includes an electric spindle, a first driving member, and a second driving member. The first driving member is used for driving the machine head module to move along the cross beam to above the composite tool head. The second driving member is connected to the electric spindle and is used for driving the electric spindle to descend and contact the composite tool head to replace the composite tool head.

2. The machining device with a tool magazine and a composite tool head arranged in layers according to claim 1, characterized in that, The composite tool head module includes a composite tool head tool rest base and a tool holder. The composite tool head tool rest base is fixed on one side of the workbench surface, and the tool holder is arranged in the composite tool head tool rest base. The composite tool head is placed in the tool holder.

3. The machining device with a tool magazine and a composite tool head arranged in layers according to claim 2, wherein, The composite tool head module further includes a rotary cylinder and a composite tool head cover. The composite tool head cover is movably connected to the composite tool head tool rest base and is used for shielding the composite tool head. The rotary cylinder is connected to the composite tool head cover and is used for opening or closing the composite tool head cover.

4. The processing device with a tool magazine and a composite tool head arranged in layers according to claim 3, characterized in that, The composite tool head module further includes a rotary support and a cylinder support. The cylinder support is fixed at the bottom of the rotary cylinder, and the rotary support is arranged at the top of the rotary cylinder and is connected to the composite tool head cover.

5. The machining device with a tool magazine and a composite tool head arranged in layers according to claim 1, wherein The processing device with the tool magazine and the composite tool head arranged in layers further includes a first guide rail. The first guide rail is arranged on one side of the cross beam, and the machine head module is movably fixed on the first guide rail to move along the first guide rail to above the composite tool head module.

6. The processing device with a tool magazine and a composite tool head arranged in layers according to claim 1, characterized in that, The second driving member includes a main spindle lifting cylinder and a main spindle guide rail. The main spindle guide rail is fixed on one side of the main spindle lifting cylinder, and the electric spindle is movably fixed on the main spindle guide rail. The lifting end of the main spindle lifting cylinder is connected to the electric spindle to adjust the height of the electric spindle.

7. The processing device with a tool magazine and a composite tool head arranged in layers according to claim 6, wherein, The machine head module further includes a drill package module. The drill package module is connected to the main spindle lifting cylinder and is arranged on the side of the electric spindle away from the composite tool head module.

8. The processing device with a tool magazine and a composite tool head arranged in layers according to claim 6, characterized in that, The tool magazine module is movably fixed on the cross beam and is located between the machine head module and the composite tool head module. The tool magazine includes a plurality of tools matching the electric spindle, and the height of the tool magazine corresponds to the adjustable height of the main spindle lifting cylinder.

9. The processing device with a tool magazine and a composite tool head arranged in layers according to claim 8, characterized in that, The tool magazine module further includes a tool magazine guide rail and a tool magazine cylinder. The tool magazine guide rail is movably fixed on the side of the cross beam where the machine head module is arranged, the tool magazine is movably fixed on the tool magazine guide rail, and the tool magazine cylinder is connected to the tool magazine to drive the tool magazine to move along the tool magazine guide rail.

10. A machining center, characterized in that, The machining center is used for sheet metal processing. The machining center includes a processing device with the tool magazine and the composite tool head arranged in layers as described in any one of claims 1-9.

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