Multi-spindle drilling and tapping center with front tool magazine

Abstract

The utility model discloses a multi-spindle front tool magazine drilling and tapping center which comprises a tool apron, three tool magazine supports are arranged at the top of the tool apron at intervals, the first end of each tool magazine support horizontally extends out of one side of the tool apron, the first end of each tool magazine support is provided with a first mounting side and a second mounting side, each tool magazine support is rotationally provided with a tool magazine assembly, and the first mounting side and the second mounting side of each tool magazine assembly are provided with a first mounting hole and a second mounting hole; the tool base is provided with main shaft mounting seats in a sliding mode, each main shaft mounting seat is provided with an electric main shaft used for clamping a tool, and the tool magazine assembly is located in front of the electric main shafts. Meanwhile, the motorized spindle is different from a traditional motorized spindle which needs to be additionally provided with a driving motor, the load of the sliding seat is reduced, the vibration amplitude of the motorized spindle during working is smaller, more excellent machining smoothness can be obtained during machining, and energy consumption during working is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic equipment technical field especially relates to a multi -spindle front -position tool magazine drilling and tapping center. BACKGROUND

[0002] Numerical control machine tool is the main cutting equipment of mechanical processing now, and machining center is the most commonly used machine tool of numerical control machine tool. Along with the progress of technology and the efficiency requirement to mechanical processing, there are more double -spindle even multi -spindle machining machine tool in the market at present;And each spindle is equipped with a set of tool magazine, and then it is convenient to change tool, improves processing efficiency. However, in the prior art, for the vertical drilling and tapping machine of clamping arm type tool magazine, the tool magazine is arranged at the front end of the spindle;However, due to the disc type structure of the clamping arm type tool magazine, in order to meet that each spindle has corresponding tool magazine, and in use, they do not affect each other, therefore, the distance between adjacent spindles needs to be increased, leading to the widening of the column, or each spindle needs a column, not only increasing the volume of the equipment, but also increasing the cost of the equipment, in order to solve the problem, the inventor designs the authorized utility model patent No. CN202221877973. X, which discloses a support structure of clamping arm type tool magazine, including gantry, the first drilling and tapping device, the second drilling and tapping device, the third drilling and tapping device are sequentially and spaced apart arranged on the gantry;The front end of the first drilling and tapping device is provided with the first tool magazine which is inclined 18 ° away from the second tool magazine direction, the front end of the third drilling and tapping device is provided with the third tool magazine which is inclined 18 ° away from the second tool magazine direction, and the inclination direction of the first tool magazine and the third tool magazine is opposite. By inclining 18 ° in opposite directions of the first drilling and tapping device and the third drilling and tapping device, the multiple drilling and tapping devices do not affect each other when running;And the inclined structure design makes the gantry can place more drilling and tapping devices in limited length, reduces the overall floor area of the machine tool, improves the working efficiency, and the operator can intuitively observe the tool changing process, reduces the accident rate, and improves the safety of tool changing operation. However, in the actual use process, the inventor found that this structure still has disadvantages, that is, due to the structure, the inclination direction of the tool magazine is fixed and cannot be changed, which leads to great limitation.

[0003] Therefore, it is urgent to design a multi-spindle front-position tool magazine drilling and tapping center to overcome one or more deficiencies of the prior art. SUMMARY

[0004] The utility model discloses a technical scheme adopted for solving the above technical problem is: a kind of multi-spindle front tool magazine drilling and tapping center, it is characterized by comprising: tool holder, the top of the tool holder is provided with three tool magazine supports at intervals, the first end of each tool magazine support is horizontally extended to the side of tool holder, the first end of each tool magazine support is equipped with first installation side and second installation side, the first installation side is towards first direction at predetermined angle, the second installation side is towards second direction at predetermined angle, the first installation side or second installation side of each tool magazine support is rotatably provided with tool magazine assembly, the side of the tool holder extended to the side of tool magazine support is equipped with the main shaft mounting seat corresponding with tool magazine support, the main shaft mounting seat is slidably connected with the tool holder, each main shaft mounting seat is equipped with electric spindle, the end of electric spindle is equipped with tool holder, for clamping tool, the tool magazine assembly is located in front of electric spindle, the bottom end of the tool holder is also fixedly connected with base, the base extends to one side, the extension direction of the base is same with the extension direction of tool magazine support, the upper side of one end of the base extended is slidably provided with Y-axis moving seat, the upper side of Y-axis moving seat is slidably provided with X-axis moving seat, Y-axis moving seat and X-axis moving seat are correspondingly above and below with electric spindle.

[0005] In a preferred embodiment, the angle of orientation between the first installation side and the second installation side of each tool magazine support is the same.

[0006] In a preferred embodiment, the tool magazine assembly comprises: a connecting plate fixedly connected to the first end of the tool magazine support, a tool magazine swing arm rotatably connected to the end of the connecting plate away from the tool magazine support, a tool disc connected to the end of the tool magazine swing arm away from the connecting plate, a plurality of clamps fixedly connected to the tool disc, and the tool is clamped and fixed to the tool disc by the clamps; the tool disc can be tilted and rotated relative to the tool magazine support by the tool magazine swing arm.

[0007] In a preferred embodiment, the clamp comprises: a tool arm in the shape of an arch, the tool arm is fixedly connected to the tool disc at one end, the other end of the tool arm is provided with an arc-shaped groove, the end of the tool arm provided with the arc-shaped groove is rotatably connected to a clamping piece on both sides, the tail end of the two clamping pieces is connected to an elastic piece, the two clamping pieces are close to each other under the action of the elastic piece away from the end provided with the elastic piece, and the end of the two clamping pieces close to each other is rotatably connected to a limiting wheel.

[0008] In a preferred embodiment, the middle part of the arc-shaped groove is also provided with a protruding limiting block.

[0009] The utility model discloses an advantageous effect is: through setting up two different installation sides of orientation of first end of tool magazine support, makes tool magazine assembly can be installed in any one installation side according to demand, promotes the applicability of numerical control machine tool, and the cooperation of tool magazine assembly and electric main shaft replaces the assistance of traditional need to hit sword mechanism, has saved machine tool debugging's procedure, has reduced the failure rate of the work mode of hitting sword mechanism, and simultaneously will not bring the noise of the collision of the time of changing sword, simultaneously electric main shaft is unlike traditional need to add driving motor, has reduced the load of slide, and the vibration amplitude of electric main shaft when working is smaller, can obtain more excellent processing smoothness when processing, reduces the energy consumption in work. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the structural schematic diagram of the utility model;

[0011] Figure 2 It is the structural schematic diagram of the utility magazine support of the utility model;

[0012] Figure 3 It is the exploded view of the utility model tool magazine assembly;

[0013] Figure 4 It is the structural schematic diagram of the utility model clamp.

[0014] In the drawing:

[0015] 10, tool seat;11, main shaft mounting seat;111, electric main shaft;112, tool holder;12, tool magazine assembly;121, tool magazine support;122, connecting plate;123, tool magazine swing arm;124, tool disc;125, first installation side;126, second installation side;13, clamp;131, tool arm;132, arc slot;133, limit bump;134, clamping piece;135, limit wheel;14, tool shell;15, Y axis moving seat;16, X axis moving seat;17, base. DETAILED DESCRIPTION

[0016] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is explained in detail below. In the following description, a lot of specific details are set forth in order to fully understand the utility model. But the utility model can be implemented in many other ways different from the description, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.

[0017] In the description of the embodiments of the utility model, it needs to be explained that, unless there is explicit stipulation and limitation, the terms, "connection", "installation" should be understood in a broad sense, for example, "connection" can be detachable connection, also can be inseparable connection, can be direct connection, also can be indirect connection through intermediate medium. In addition, "communication" can be direct communication, also can be indirect communication through intermediate medium. Among them, "fixing" refers to the relative position relationship of each other after connection does not change. The orientation language mentioned in the embodiments of the utility model, for example, "inner", "outer", "top", "bottom" and the like, only refers to the direction of the drawing, therefore, the orientation language used is for better, more clearly illustrate and understand the embodiments of the utility model, and is not indicated or implied that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the embodiments of the utility model.

[0018] In the embodiments of the utility model, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features.

[0019] In the embodiments of the utility model, "and / or" is only a description of the association relationship of the associated object, which means that there can be three kinds of relationships, for example, A and / or B, which can mean that there are three kinds of situations, namely, A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a "or" relationship.

[0020] In the description of the embodiments of the utility model, "one embodiment" or "some embodiments" means that the specific features, structures or characteristics described in combination with the embodiment are included in one or more embodiments of the utility model. Therefore, the statements "in one embodiment", "in some embodiments", "in other some embodiments", "in other some embodiments" and the like appearing in the description are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized. The terms "include", "contain", "have" and their variants mean "include but are not limited to", unless otherwise specifically emphasized. Therefore, the utility model is not limited by the specific embodiments disclosed below.

[0021] As Figures 1-4As shown, a multi-spindle front magazine drill center is provided, characterized by comprising: a tool seat 10, three magazine supports 121 are arranged at the top of the tool seat 10, the first end of each magazine support 121 extends horizontally out of one side of the tool seat 10, the first end of each magazine support 121 is provided with a first mounting side 125 and a second mounting side 126, the first mounting side 125 is at a predetermined angle towards the first direction, and the second mounting side 126 is at a predetermined angle towards the second direction, the first mounting side 125 or the second mounting side 126 of each magazine support 121 is rotatably provided with a magazine assembly 12, the side of the tool seat 10 extending out of the magazine support 121 is provided with a main shaft mounting seat 11 corresponding to the magazine support 121, the main shaft mounting seat 11 is in sliding connection with the tool seat 10, each main shaft mounting seat 11 is provided with an electric spindle 111, the end of the electric spindle 111 is provided with a tool holder 112 for clamping a tool, the magazine assembly 12 is located in front of the electric spindle 111; the bottom end of the tool seat is also fixedly connected with a base, the base extends to one side, the extension direction of the base is the same as the extension direction of the magazine support, the end of the base extending out is slidably provided with a Y-axis moving seat above, the Y-axis moving seat is slidably provided with an X-axis moving seat above, the Y-axis moving seat and the X-axis moving seat correspond to the electric spindle 111 in up and down direction;

[0022] Specifically, the top of the tool holder 10 is provided with three tool magazine supports 121 at a predetermined interval, and the first end of each tool magazine support extends horizontally out of one side of the tool holder 10, used to connect the tool magazine assembly 12 and make the tool magazine assembly 12 away from the tool holder 10, and the first end of each tool magazine assembly 12 is provided with a first mounting side 125 and a second mounting side 126, the direction of the first mounting side 125 and the second mounting side 126 is not the same, such as one is to the left front, and the other is to the right front, so that the tool magazine assembly 12 can be selected in one of the two directions according to the processing requirements, to improve the applicability of the numerical control machine tool, the traditional tool magazine support 121 can only install the tool magazine assembly 12 in one direction, resulting in the need to replace the tool magazine support 121 or the numerical control machine tool when there are other requirements, low processing efficiency and high cost; a main shaft mounting seat 11 is arranged below each tool magazine support 121, the main shaft mounting seat 11 is slidably connected with the tool holder 10 through a screw rod transmission, the main shaft mounting seat 11 can slide in the vertical direction relative to the tool holder 10, wherein the screw rod transmission is a prior art, so it is not described here; an electric spindle 111 is fixedly arranged at the end of the main shaft mounting seat 11, the electric spindle 111 is composed of an electric mechanism, a tool holder 112 is arranged at the output end of the electric spindle 111, used to hold a tool; each tool magazine assembly 12 connected to the tool magazine support 121 can rotate relative to the tool magazine support 121, the tool magazine support 121 can be tilted towards the direction of the electric spindle 111, when the tool needs to be replaced, the tool magazine assembly 12 is tilted towards the direction of the electric spindle 111, then the electric spindle 111 is lowered, so that the tool end of the tool magazine assembly 12 is inserted into the electric spindle 111, then the tool magazine assembly 12 is rotated away from the electric spindle 111, to avoid affecting the electric spindle 111, then the electric spindle 111 can continue to descend until the working height.

[0023] A base 17 is further arranged at the bottom end of the tool holder 10, one end of the base 17 is fixedly connected with the tool holder 10, and the other end is located directly below the main electric spindle 111, wherein a Y-axis moving seat 15 is slidably arranged on the base 17, the Y-axis moving seat 15 and the base 17 are connected by a screw rod transmission, so that the Y-axis moving seat 15 can move along the Y-axis direction of the base, and an X-axis moving seat 16 is also slidably connected with the Y-axis moving seat 15 by a screw rod transmission, the X-axis moving seat 16 can move along the X-axis direction, when the product is fixed on the X-axis moving seat 16, the position of the X-axis moving seat 16 and the Y-axis moving seat 15 can be adjusted to cooperate with the main electric spindle 111, thereby improving the processing efficiency, and since the screw rod transmission is adopted, automatic control can also be realized, and the operation is convenient.

[0024] Since the tool magazine assembly 12 itself can rotate and can be close to or away from the electric spindle 111, and the angles of the first mounting side 125 and the second mounting side 126 are the same, the tool magazine assembly 12 can still adapt to the electric spindle 111 even after changing the direction, without moving the electric spindle 111, so the debugging is simpler and faster.

[0025] Further, the tool magazine assembly 12 comprises a connecting plate 122 fixedly connected with the first end of the tool magazine support 121, a tool magazine swing arm 123 rotatably connected with the end of the connecting plate 122 away from the tool magazine support 121, a tool disc 124 connected with the end of the tool magazine swing arm 123 away from the connecting plate 122, a plurality of clamps 13 fixedly connected on the tool disc 124, and the tool is clamped by the clamps 13 and fixed on the tool disc 124; the tool disc 124 can be tilted and rotated relative to the tool magazine support 121 through the tool magazine swing arm 123.

[0026] Specifically, the connecting plate 122 is fixed on the first mounting side 125 or the second mounting side 126, the tool magazine swing arm 123 is rotatably connected on the connecting plate 122, and the other end of the tool magazine swing arm 123 is connected with the tool disc 124, wherein the swing of the tool magazine swing arm 123 is controlled in a pneumatic manner to realize automation, and a plurality of clamps equally spaced are arranged on the side wall of the tool disc 124, the clamps are used for clamping the tool, so that the tool moves with the tool disc 124 through the clamping of the tool disc 124.

[0027] Further, the clamp 13 comprises: a cutter arm 131, which is arc-shaped, one end of the cutter arm 131 is fixedly connected with the cutter head 124, the other end of the cutter arm 131 is provided with an arc-shaped groove 132 concave, two sides of the end of the cutter arm 131 provided with the arc-shaped groove 132 are respectively rotationally connected with clamping pieces 134, the tail ends of the two clamping pieces 134 are connected with elastic members (not shown in the figure), the ends of the two clamping pieces 134 away from the ends provided with the elastic members are close to each other under the action of the elastic members, the end portions of the two clamping pieces 134 close to each other are rotationally connected with limit wheels 135, wherein, in order to facilitate the replacement and clamping of the cutter, the cutter head 124 is connected with the cutter arm 131, the cutter arm 131 is arc-shaped, so that the cutter can be placed at a predetermined angle when clamped by the clamp 13, which is convenient for corresponding to the electric spindle 111, the end of the cutter arm 131 away from the cutter head 124 is provided with the arc-shaped groove 132 concave, the arc-shaped groove 132 is matched with the side wall of the cutter, meanwhile, two sides of the end of the cutter arm 131 provided with the arc-shaped groove 132 are respectively rotationally connected with the clamping pieces 134, the middle portions of the clamping pieces 134 are rotationally connected with the cutter arm 131, meanwhile, in order to realize the clamping force of the clamping pieces 134, the tail ends of the two clamping pieces 134 are provided with the elastic members, so that the ends of the two clamping pieces 134 are away from each other, when the ends of the two clamping pieces 134 are away from each other, the other ends of the two clamping pieces 134 are close to each other due to the rotational connection between the middle portions of the clamping pieces 134 and the cutter arm 131, wherein the ends of the two clamping pieces 134 are in a non-contact state, the distance between the ends of the two clamping pieces 134 needs to be less than the maximum width of the cutter, when the cutter needs to be removed from the electric spindle 111, the clamp 13 is close to the electric spindle 111 by the swinging of the tool magazine swing arm 123, and the ends of the two clamping pieces 134 close to each other are in contact with the cutter, and the two clamping pieces 134 are opened in the direction away from each other under the extrusion of the cutter by the continuous movement of the tool magazine swing arm 123, meanwhile, the other ends of the two clamping pieces 134 will compress the elastic members, so that the elastic members generate a restoring force acting on the clamping pieces 134, at this time, after the cutter enters the middle portions of the two clamping pieces 134, the drill chuck 114 releases the cutter, the clamping pieces 134 clamp the cutter under the action of the elastic members, at this time, the electric spindle 111 can be raised, so that the end portion of the cutter is separated from the drill chuck 114 and clamped by the clamping pieces 134, then the tool magazine swing arm 123 moves reversely, so that the cutter is clamped out by the clamp 13, and the disassembly of the cutter is completed, wherein, in order to avoid the clamping pieces 134 rubbing against the cutter, and at the same time enable the clamping pieces 134 to clamp the cutter, the limit wheels 135 are rotationally arranged at the ends of the clamping pieces 134 away from the elastic members, so that when the clamping pieces 134 contact the cutter, the limit wheels 135 are rotationally arranged, so as to avoid rubbing, and at the same time, the limit wheels 135 fix the cutter through the friction force between the clamping pieces 134 and the cutter after the clamping pieces 134 clamp the cutter.

[0028] Further, the middle part of the arc-shaped groove 132 is also provided with a protruding limiting block 133, and the middle part of the arc-shaped groove 132 is also provided with a protruding limiting block 133, the limiting block 133 is matched with the groove in the middle part of the cutter, so that the cutter is located in the arc-shaped groove 132, the limiting block 133 is inserted into the groove, thereby realizing the fixation of the cutter in the up-down direction, and the limiting wheel 135 is further matched to improve the clamping stability.

[0029] Wherein the outer side of the cutter head 124 is also provided with a cutter shell 14, so as to prevent debris and other sundries from entering during work.

[0030] In summary, the present application is provided with two different installation sides at the first end of the tool magazine support 121, so that the tool magazine assembly 12 can be installed in any one installation side according to the requirement, thereby improving the applicability of the numerical control machine tool, and the cooperation of the tool magazine assembly 12 and the electric spindle 111 replaces the assistance of the traditional tool changing mechanism, thereby saving the process of machine tool debugging, reducing the failure rate caused by the working mode of the tool changing mechanism, and at the same time, the noise caused by collision during tool changing is avoided, and the electric spindle 111 is different from the traditional additional driving motor, thereby reducing the load of the slide, and the vibration amplitude of the electric spindle 111 during work is smaller, so that a more excellent machining finish can be obtained during machining, and the energy consumption during work is reduced.

[0031] The utility model is not limited to the description in the specification and the embodiment, so that the person skilled in the art can easily realize other advantages and modifications, and the utility model is not limited to specific details, representative equipment and the drawing examples shown and described here without departing from the general concept and the scope defined by the claims and the equivalent range, so that the utility model is not limited to specific details, representative equipment and the drawing examples shown and described here.

Claims

1. A multi-spindle front magazine drill and tap center, characterized by, The utility model relates to a kind of tool magazine and tool magazine assembly, including: Tool seat, the top of the tool seat is spaced apart with three tool magazine supports, the first end of each tool magazine support extends horizontally from the side of tool seat, the first end of each tool magazine support is provided with first installation side and second installation side, the first installation side is at predetermined angle towards first direction, the second installation side is at predetermined angle towards second direction, the first installation side or the second installation side of each tool magazine support is rotatably provided with tool magazine assembly, the side of the tool seat extending from the tool magazine support is provided with corresponding main shaft mounting seat with the tool magazine support, the main shaft mounting seat is slidably connected with the tool seat, each main shaft mounting seat is provided with electric spindle, the end of the electric spindle is provided with tool holder for clamping tool, the tool magazine assembly is located in front of the electric spindle, the bottom end of the tool seat is also fixedly connected with base, the base extends to one side, the extension direction of the base is same with the extension direction of the tool magazine support, the upper side of the end of the base extending out is slidably provided with Y-axis moving seat, the upper side of the Y-axis moving seat is slidably provided with X-axis moving seat, the Y-axis moving seat and the X-axis moving seat correspond with the electric spindle up and down.

2. The multi-spindle front magazine drill- tap center according to claim 1, characterized in that, The angle of the first installation side and the second installation side of each tool magazine support is different.

3. The multi-spindle front magazine drill- tap center according to claim 1, characterized in that, The tool magazine assembly includes: tool disc, the tool disc is rotatably connected with the tool magazine support through rotating structure, a plurality of tools are clamped on the tool disc, the tool disc can be rotatably inclined to the direction of the electric spindle and can be rotated relative to the tool magazine support.

4. The multi-spindle front magazine drill-press center according to claim 3, wherein, The tool magazine assembly further includes: connecting plate, the connecting plate is fixedly connected with the tool magazine support, the end of the connecting plate away from the tool magazine support is rotatably connected with tool magazine swing arm, the tool disc is connected with the end of the tool magazine swing arm away from the connecting plate, a plurality of clamps are fixedly connected on the tool disc, the tools are clamped and fixed on the tool disc by the clamps.

5. The multi-spindle front magazine drill-press center according to claim 4, wherein, The clamp includes: tool arm, the tool arm is arc-shaped, one end of the tool arm is fixedly connected with the tool disc, the other end of the tool arm is provided with concave arc-shaped groove, the end of the tool arm provided with the arc-shaped groove is rotatably connected with clamping piece on both sides, the tail end of two clamping pieces is connected with elastic piece, two clamping pieces are close to each other under the action of elastic force of elastic piece away from the end provided with the elastic piece, the end of two clamping pieces close to each other is rotatably connected with limiting wheel.

6. The multi-spindle front magazine drill-press center according to claim 5, wherein, The middle part of the arc-shaped groove is also provided with protruding limiting block.

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