Re-cutting milling machine convenient to apply

Abstract

The utility model discloses a heavy-chip milling machine convenient to apply, which belongs to the technical field of heavy-chip milling machines and comprises a machine body, and a clamp component used for clamping and positioning a workpiece and a cutter component used for cutting the workpiece are arranged on the machine body. The clamp assembly comprises at least two sets of upper clamps and lower clamps, the cutter assembly comprises a cutter shaft and a plurality of disc milling cutters fixedly arranged on the cutter shaft in a sleeving mode, and the disc milling cutters and the lower clamps are arranged in a one-to-one correspondence mode. The feeding station of the clamp assembly is located on the side, opposite to the cutter assembly, of the clamp assembly. A servo sliding table used for driving the clamp assembly to conduct feeding motion is arranged at the bottom of the clamp assembly. According to the utility model, a plurality of workpieces can be clamped and cut at one time, so that the clamp is suitable for large-batch processing; the use requirements of fast assembly and fast disassembly of workpieces can be conveniently met; the use requirement of quick dismounting and replacing of the cutter can be met conveniently; the application is convenient.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to heavy chip milling machine technical field, concretely is a kind of heavy chip milling machine of convenient application. BACKGROUND

[0002] Heavy chip milling machine is an important equipment for high efficiency material removal in the field of mechanical processing. In the automotive industry, it has significant meaning for improving production efficiency and reducing cost. There are some limitations in design and operation of traditional heavy chip milling machine, mainly including: a. Low processing efficiency: traditional milling machine can only clamp one workpiece for processing at a time, resulting in that the clamping and unloading time of workpiece becomes the bottleneck of production efficiency when processing in large quantities; b. Workpiece clamping is inconvenient: when clamping workpiece, the clamp of traditional milling machine is inconvenient to clamp and position; c. Tool replacement is inconvenient: when processing different workpieces or maintaining tool, the tool replacement process of traditional milling machine is tedious and time-consuming. The application of milling machine is relatively inconvenient. SUMMARY

[0003] The utility model technical scheme provides a solution significantly different from the prior art to solve the technical problem that the prior art solution is too single, mainly provides a heavy chip milling machine convenient to apply to solve the technical problem that the application of traditional milling machine is relatively inconvenient proposed in the background art.

[0004] The utility model solves the technical problem by adopting the technical scheme that

[0005] A heavy chip milling machine convenient to apply, comprising a bed body, a clamp assembly for clamping and positioning the workpiece and a tool assembly for cutting the workpiece are provided on the bed body; the clamp assembly comprises at least two sets of upper clamps and lower clamps, the tool assembly comprises a tool shaft and a plurality of disc milling cutters fixed on the tool shaft, and the disc milling cutters are one-to-one corresponding to the lower clamps; the feeding station of the clamp assembly is located on the side of the clamp assembly away from the tool assembly; the bottom of the clamp assembly is provided with a servo sliding table for driving the clamp assembly to move forward.

[0006] Further, the clamp assembly comprises a liftable upper clamp and a fixed lower clamp, and the upper clamp and the lower clamp are designed according to the profile of the workpiece.

[0007] Further, the upper clamp and its connecting piece are connected through dovetail structure, and the corners of the dovetail structure are provided with arc surfaces.

[0008] Further, the upper clamp is provided with a first oil cylinder for driving the upper clamp to move up and down, the output end of the first oil cylinder is connected with a vertical rod, the lower end of the vertical rod is provided with a mounting groove, the upper clamp is formed with a mounting block for being clamped in the mounting groove, and the mounting groove and the mounting block are dovetail structures with arc surfaces at the corners.

[0009] Further, the lower clamp comprises a first limiting piece and a second limiting piece, a plurality of limiting plates are formed on the first limiting piece, limiting blocks are installed on the second limiting piece in one-to-one correspondence and alignment with the limiting plates, and spring plungers are arranged on the side of each limiting block of the second limiting piece.

[0010] Further, the tool assembly is connected to the main shaft in a tensioning mode at the head end of the tool shaft, and is connected to the tailstock assembly in a bearing seat supporting mode at the tail end, and the main shaft is provided with a gear box on the side away from the corresponding tool shaft.

[0011] Further, one side of the tool assembly is provided with a slide block seat assembly, the slide block seat assembly is installed with a transversely arranged slide rail and a second oil cylinder, the output end of the second oil cylinder is connected with the tailstock assembly, and the tailstock assembly is connected with the slide rail in a sliding mode.

[0012] Further, gratings are installed on the two sides of the clamp assembly loading station.

[0013] Further, a powerful milling water tank is arranged behind the bed body, the powerful milling water tank is provided with a flow guide groove, and a water receiving disc is installed on the side of the bed body and extends to the flow guide groove in an inclined mode.

[0014] Further, two sets of clamp assemblies, tool assemblies and servo sliding tables are installed on the bed body, and the two sets of mechanisms are arranged in a symmetrical mode and are provided with a gap for facilitating tool replacement.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] (1) According to the utility model, one clamping and one cutting of the workpiece can be completed, the efficient and stable production requirement is guaranteed, the milling machine can clamp and cut a plurality of workpieces at a time, and the milling machine is suitable for large batch machining, the two sets of mechanisms are arranged in the optimization scheme, the quantity of one-time machining can be further improved, and the utility model is convenient to use.

[0017] (2) According to the utility model, the lower clamp is designed according to the profiling of the workpiece, the workpiece can be positioned and limited, the workpiece can be pressed tightly by the upper clamp, the tight pressing effect of the upper clamp on the workpiece can be improved by the movable structure in the optimization scheme, the workpiece can be quickly clamped and quickly taken, and the utility model is convenient to use.

[0018] (3) The present application optimizes the setting of the slide seat assembly, which can realize the lateral movement of the driving tool assembly to move the tool to a position without obstruction, facilitating tool maintenance and replacement; and the tool assembly is installed in a pull and support manner, which not only ensures the consistency with the spindle precision, but also realizes the use requirement of quick tool disassembly and replacement, and is convenient to use.

[0019] The utility model will be explained in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is the plan view of the utility model;

[0022] Figure 3 It is the front view of the utility model;

[0023] Figure 4 It is the three-dimensional structure schematic diagram of the upper clamp and the lower clamp;

[0024] Figure 5 It is the installation structure schematic diagram of the upper clamp;

[0025] Figure 6 It is the split structure schematic diagram of the lower clamp;

[0026] Figure 7 It is the local structure enlarged schematic diagram of the lower clamp.

[0027] The drawings show that: 1, bed body; 2, main shaft; 3, servo slide; 4, clamp assembly; 41, first oil cylinder; 42, upper clamp; 421, mounting block; 43, lower clamp; 431, first limiting piece; 432, second limiting piece; 433, spring plunger; 44, straight rod; 441, installation groove; 5, tailstock assembly; 6, grating; 7, electric box support; 8, electric box; 9, hydraulic station; 10, strong milling water tank; 11, slide seat assembly; 111, second oil cylinder; 12, gear box; 13, tool assembly; 14, water pan. DETAILED DESCRIPTION

[0028] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings, and the drawings show several embodiments of the utility model, but the utility model can be realized by different forms, and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosed content of the utility model more thorough and comprehensive.

[0029] Embodiment one: a kind of application convenient re-cutting milling machine, please refer to the attached Figure 1 -attached Figure 3 , including:

[0030] Bed 1 is cast with high-quality gray cast iron, solid structure, good strength. It is placed on the ground, for carrying clamp assembly 4, tool assembly 13 and so on;

[0031] Clamp assembly 4 is used for clamping workpiece (door hinge body part), including upper clamp 42 and lower clamp 43, lower clamp 43 is designed according to the profile of workpiece, to realize the profile positioning of workpiece;Upper clamp 42 is located directly above lower clamp 43, and is installed at the output end of first oil cylinder 41, for driving upper clamp 42 to move up and down, so as to press the workpiece on the lower clamp;

[0032] Servo slide 3 is arranged at the bottom of clamp assembly 4, for driving clamp assembly 4 to feed motion;

[0033] Tool assembly 13 includes tool shaft and a plurality of disc milling cutter fixed on the tool shaft, and the disc milling cutter is arranged one by one corresponding to the lower clamp;For re-cutting of workpiece, the effect of processing multiple workpieces can be achieved;Tool assembly 13 is installed in a pull and support manner, the head end is connected with main shaft 2 in a tensioning manner, and the tail end is connected with tailstock assembly 5 in a bearing seat supporting manner, so that the precision consistency with main shaft 2 is guaranteed, and the use requirement of quick disassembly and replacement of tool is realized;

[0034] Tool driving mechanism is used for controlling the rotating action of tool assembly 13;Including main shaft 2 and gear box 12, main shaft 2 adopts 7:24 taper structure, which can install tool shaft;Gear box 12 is located on the side of main shaft 2 away from tool assembly 13, gear box 12 transmits torque and speed change by gear, and servo motor is adopted, which can realize stepless speed change. Main shaft 2 relies on gear transmission to ensure stable transmission ratio, and realizes the use requirement of re-cutting;

[0035] Slide block seat assembly 11 is arranged on the side of tool away from clamp assembly 4, and the slide rail and second oil cylinder 111 are installed on the slide block seat assembly 11, the output end of second oil cylinder 111 is connected with tailstock assembly 5, and tailstock assembly 5 is connected with slide rail in a sliding mode, which has certain rigidity and wear resistance. For driving the transverse movement of tool assembly, when the tool assembly moves to the position without obstruction, the tool replacement is facilitated;

[0036] Strong milling water tank 10 is arranged at the back of bed 1, which is used for cooling, cleaning and other functions during milling process;Including flow guide groove, water receiving tray 14 is installed on the side of bed 1 towards strong milling water tank 10, which extends to flow guide groove, so as to realize the recycling of cutting fluid;

[0037] Hydraulic station 9, set in the length direction of the strong milling water tank 10, for providing power source for the above-mentioned mechanism, and realizing accurate control;

[0038] Electric box 8, set in the length direction of the bed body 1, for realizing the power distribution, electric protection, motor drive and other functions of the milling machine; The bed body 1 is connected with the electric box support 7 for bearing the electric box 8.

[0039] Example two: the difference between this embodiment and example one is:

[0040] Please refer to the attached Figure 4 and attached Figure 5 , the first oil cylinder 41 is vertically arranged, and the output end of the first oil cylinder 41 is connected with a vertical rod 44, the lower end of the vertical rod 44 is provided with a mounting groove 441, the upper clamp 42 is formed with a mounting block 421 for clamping in the mounting groove 441, the mounting groove 441 and the mounting block 421 are dovetail structure, and the corner is arc surface, and the joint is left with gap, so that the mounting block 421 can find its own, adapt to the change of workpiece, and achieve the effect of pressing product. This setting makes the upper clamp 42 can move left and right within a certain range, because the clamping surface of the upper clamp 42 is special-shaped, although the pressing of the upper clamp 42 is also made according to the product shape, but there are also differences between products. The product with difference needs to rely on the fine adjustment function of the upper clamp 42 to find the pressing point, so as to achieve the effect of pressing product, so as to better adapt to all workpiece individuals; And the upper clamp 42 is provided with a fastening hole penetrating through the mounting block 421, for screw insertion and connection on the vertical rod 44, after screw fastening, the screw is loosened by 1 to 2 teeth, to ensure that the upper clamp mounting block 421 has left and right movement gap.

[0041] Please refer to the attached Figure 6 and attached Figure 7 , the lower clamp 43 includes a first limiting piece 431 and a second limiting piece 432, a plurality of limiting plates are formed on the first limiting piece 431; The second limiting piece 432 is installed with a limiting block corresponding to and aligned with the limiting plate; Each limiting block on the second limiting piece 432 is provided with a spring plunger 433 beside it, and the spring plunger 433 itself has a left and right deflection amount, after the workpiece is placed, the spring plunger 433 is automatically reset, and cooperates with the limiting plate and the limiting block, so as to realize the left and right positioning of the workpiece. Thus, it is convenient to realize accurate positioning of the workpiece.

[0042] The others are the same as example one.

[0043] Example three: the difference between this embodiment and example one is:

[0044] Please refer to the attached Figure 1 -attached Figure 3The bed body 1 is provided with two sets of clamp assemblies 4, tool assemblies 13, servo slides 3, main shafts 2, gear boxes 12 and tail seat assemblies 5, and the two sets of mechanisms are symmetrically arranged and a gap is left between the two sets of mechanisms for replacing tools.

[0045] Please refer to the attached drawings Figure 1 The housing of the clamp assembly 4 is provided with a grating 6 (including an emitter, a receiver and a set of light beams) at a position corresponding to a feeding station (the feeding station is located on the side of the clamp assembly 4 away from the tool assembly 13) to eliminate safety hazards. If something is monitored between the emitter and the receiver, an alarm will be given to avoid workers from being clamped.

[0046] The other is the same as the first embodiment.

[0047] The heavy chip milling machine has the following advantages:

[0048] (1) The machine tool has good overall rigidity, and the product can be clamped and cut once, which guarantees the production requirements of high efficiency and high stability.

[0049] (2) The components of the machine tool are reasonably arranged according to the use function, and the auxiliary processing time can be shortened.

[0050] (3) The feeding station is provided with a grating, which can eliminate safety hazards.

[0051] (4) For the easily damaged tool, the quick change mode is adopted, and the application is convenient.

[0052] (5) The workpiece realizes the use requirement of quick loading and quick taking, and the application is convenient.

[0053] The above has been described by way of example with reference to the drawings, and obviously the specific implementation of the utility model is not limited to the above manner, as long as the method concept and technical solution of the utility model are adopted for such non-essential improvement or the concept and technical solution of the utility model are directly applied to other occasions without improvement, which is within the protection scope of the utility model.

Claims

1. A heavy cut-off milling machine with convenient application, comprising a machine bed (1), a clamp assembly (4) for clamping and positioning a workpiece and a cutter assembly (13) for cutting the workpiece on the machine bed (1); characterized in that: The clamp assembly (4) comprises at least two sets of upper clamps (42) and lower clamps (43), the cutter assembly (13) comprises a cutter shaft and a plurality of disc cutters sleeved on the cutter shaft, and the disc cutters are arranged one by one with the lower clamps (43); the feeding station of the clamp assembly (4) is located on the side of the clamp assembly (4) away from the cutter assembly (13); and the bottom of the clamp assembly (4) is provided with a servo sliding table (3) for driving the clamp assembly (4) to move forward.

2. A heavy cut-off slitting machine as claimed in claim 1, wherein: The clamp assembly (4) comprises liftable upper clamps (42) and fixed lower clamps (43), and the upper clamps (42) and the lower clamps (43) are designed according to the profiling of workpieces.

3. A heavy cut-off slitting machine according to claim 2, wherein: The upper clamps (42) and their connecting parts are connected through dovetail structures, and the corners of the dovetail structures are provided with arc surfaces.

4. A heavy cut-off mill as claimed in claim 3, wherein: A first oil cylinder (41) for driving the upper clamps (42) to move up and down is arranged above the upper clamps (42), the output end of the first oil cylinder (41) is connected with a vertical rod (44), the lower end of the vertical rod (44) is provided with a mounting groove (441), the upper clamps (42) are formed with mounting blocks (421) for being clamped in the mounting groove (441), and the mounting groove (441) and the mounting block (421) are dovetail structures with arc corners.

5. A heavy cut-off slitting machine as claimed in claim 2, wherein: The lower clamps (43) comprise first limiters (431) and second limiters (432), the first limiters (431) are formed with a plurality of limit plates, the second limiters (432) are installed with limit blocks corresponding to and aligned with the limit plates, and spring plungers (433) are arranged on the sides of each limit block of the second limiters (432).

6. A heavy cut-off slitting machine as claimed in claim 1, wherein: The head end of the cutter shaft of the cutter assembly (13) is connected with the main shaft (2) in a tensioning mode, and the tail end is connected with the tailstock assembly (5) in a bearing seat supporting mode; the main shaft (2) is provided with a gear box (12) on the side away from the corresponding cutter shaft.

7. A convenient resharpening broaching machine according to claim 6, wherein: A slide block seat assembly (11) is arranged on one side of the cutter assembly (13), the slide block seat assembly (11) is installed with a transversely arranged slide rail and a second oil cylinder (111), the output end of the second oil cylinder (111) is connected with the tailstock assembly (5), and the tailstock assembly (5) is connected with the slide rail in a sliding mode.

8. A convenient rechipping milling machine according to claim 1, wherein: Optical gratings (6) are installed on the two sides of the feeding station of the clamp assembly (4).

9. A convenient rechipping milling machine according to claim 1, wherein: A strong milling water tank (10) is arranged behind the bed body (1), the strong milling water tank (10) is provided with a flow guide groove, and a water receiving disc (14) extending obliquely to the flow guide groove is installed on the side of the bed body (1) facing the strong milling water tank (10).

10. A convenient resharpening broaching machine according to any one of claims 1 to 9, characterized in that: Two sets of clamp assemblies (4), cutter assemblies (13) and servo sliding tables (3) are installed on the bed body (1), and the two sets of mechanisms are arranged symmetrically and leave a gap for replacing cutters.

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