Limit collision seat device for machine tool

Abstract

The utility model discloses a limit collision seat device for a machine tool, and relates to the technical field of machine tool protection, the limit collision seat device comprises a fixed base, a universal connecting rod, a support frame, a spring and a guide rack, the support frame is arranged above the fixed base, the universal connecting rod and the spring are arranged above the support frame, and a detection air bag is arranged on the upper surface of the support frame. According to the equipment, the outer side of a universal connecting rod is sleeved with a spring, so that the supporting stability of the platform can be improved, and the stability of the platform supporting is guaranteed; and phase sensors are arranged in the two ends of the universal connecting rod, the state of the equipment can be detected through cooperation of an algorithm and up to sixteen phase sensors, the equipment detection precision is improved, and meanwhile the tool collision symptom is pre-judged, so that the equipment loss is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool protection technical field, concretely is machine tool limit collision seat device. BACKGROUND

[0002] Machine tool limit collision seat device is one kind of machine tool protection device, through monitoring the vibration and phase change data generated when machine tool processes, when dangerous situation such as collision cutter occurs, through the millisecond reaction of controller, the protection of machine tool spindle is improved the important equipment of machine tool processing safety, but the existing machine tool limit collision seat device has some deficiencies, for example:

[0003] The device fixes workpiece through the way of multidirectional clamping to prevent collision accident, but cannot protect the equipment through data monitoring, leading to more clamping in the actual process, more easy to appear the uneven clamping torque deviation. UTILITY MODEL CONTENT

[0004] The utility model aims at providing machine tool limit collision seat device to solve the above background art, the equipment on the market prevents collision accident through the way of multidirectional clamping to fix workpiece, but cannot protect the equipment through data monitoring, leading to more clamping in the actual process, more easy to appear the uneven clamping torque deviation.

[0005] To achieve the above object, the utility model provides the following technical scheme: machine tool limit collision seat device, including fixed base, universal connecting rod, support frame, spring and guide rack;

[0006] The fixed base is provided with support frame, and the support frame is provided with universal connecting rod and spring on the top, the support frame upper surface is provided with detection air bag, the detection air bag is provided with tooling base and placement strip on the top, the tooling base left side is provided with chip removal strip and drive gear, and the tooling base bottom is provided with guide rack.

[0007] As the preferred technical scheme of the utility model, the fixed base bottom is hollow structure, and the fixed base bottom edge is provided with square through slot, and the fixed base top surface is fixedly connected with support frame;

[0008] The above technical scheme is adopted, the fixed base bottom is set as hollow structure, which can minimize the overall weight of the equipment, effectively improve the installation and maintenance efficiency of the equipment.

[0009] As the preferred technical scheme of the utility model, two support frames are arranged, the edges of the support frames are eight long rod structures arranged uniformly, the outermost sides of the support frames are circular structures, circular grooves are arranged at the outer ends of the long rods of the support frames, the bottoms of the grooves are through hole structures, and the groove directions of the two support frames are opposite.

[0010] By arranging the circular grooves at the outer ends of the long rods of the support frames and the through hole structures at the bottoms of the grooves, sufficient activity space can be provided for the universal connecting rod, the detection sensitivity of the equipment is improved, and the detection accuracy of the equipment is effectively improved by the eight long rod structures arranged uniformly through the algorithm and the multi-phase detection mode.

[0011] As the preferred technical scheme of the utility model, a detection air bag is arranged between the support frames, the detection air bag is divided into four layers, and the detection air bag is provided with an air pressure sensor and an air pump.

[0012] By arranging the air pressure sensor and the air pump in the detection air bag, the overall volume of the equipment can be reduced, the stable air pressure support provided by the detection air bag can guarantee the stability of the structure, and the softness of the air bag structure of the detection air bag can improve the smoothness of the equipment offset through the air bag structure.

[0013] As the preferred technical scheme of the utility model, a universal connecting rod is connected to the support frames in a sliding mode, the middle position of the universal connecting rod is a long rod structure, the two ends of the universal connecting rod are spherical structures, springs are arranged outside the universal connecting rod, and phase sensors are arranged in the two ends of the universal connecting rod.

[0014] By arranging the springs outside the universal connecting rod, the stability of the support guarantee platform can be improved, the phase sensors arranged in the two ends of the universal connecting rod can detect the state of the equipment through the algorithm and up to sixteen phase sensors, the detection accuracy of the equipment is improved, the collision knife symptom is predicted, and the loss of the equipment is effectively reduced.

[0015] As the preferred technical scheme of the utility model, a tool base is fixedly connected to the top of the support frame, the tool base is uniformly arranged with a placing strip, grooves of T-shaped structures are reserved between the placing strips, and the two ends of the placing strip are through structures.

[0016] By reserving the grooves of T-shaped structures between the placing strips, the bearing capacity and compatibility of the equipment can be improved, and the discharging efficiency of the debris in the cleaning process can be improved by the through structures at the two ends of the placing strip.

[0017] As the preferred technical scheme of the utility model, the placing strip is slidably connected with the scrap removing strip, the T-shaped structure protrusion at the bottom of the scrap removing strip is matched with the groove between the placing strips, the scrap removing strip is rotatably connected with the driving gear at both ends, the driving gear is driven by the built-in motor, the driving gear is meshed and connected with the guide rack, the guide rack is fixedly connected at the bottom of the tool base, and the gears of the guide rack are oppositely directed.

[0018] By the above technical scheme, the scrap removing strip can be driven to clean the groove between the placing strips gradually under the driving of the built-in motor through the meshing connection of the driving gear and the guide rack, so that the working efficiency of the equipment is improved.

[0019] Compared with the prior art, the utility model has the advantages of:

[0020] The hollow structure at the bottom of the fixed base can minimize the overall weight of the equipment, effectively improving the installation and maintenance efficiency of the equipment.

[0021] The circular groove at the outer end of the supporting rod of the equipment, and the through hole structure at the bottom of the groove can effectively provide sufficient movement space for the universal connecting rod, improve the detection sensitivity of the equipment, and the eight uniformly arranged supporting rods can effectively improve the detection accuracy of the equipment through algorithm and multi-phase detection.

[0022] The built-in air pressure sensor and air pump in the detection air bag can reduce the overall volume of the equipment while ensuring that the detection air bag can provide stable air pressure support to ensure the stability of the structure, and the air bag structure itself is relatively soft, which can improve the smoothness of the equipment offset through the air bag structure.

[0023] The spring on the outside of the universal connecting rod can improve the stability of the supporting guarantee platform, and the phase sensor built-in at both ends of the universal connecting rod can detect the state of the equipment through algorithm and up to sixteen phase sensors, which can improve the detection accuracy of the equipment and effectively reduce the loss of the equipment by predicting the collision knife symptom.

[0024] The T-shaped groove reserved between the placing strips can improve the bearing capacity and compatibility of the equipment, and the through structure at both ends of the placing strip can improve the discharge efficiency of the debris in the cleaning process.

[0025] The scrap removing strip can be driven to clean the groove between the placing strips gradually under the driving of the built-in motor through the meshing connection of the driving gear and the guide rack, so that the working efficiency of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a side view structural schematic diagram of the utility model.

[0027] Figure 2 It is the universal connecting rod and spring connecting structure schematic view of the utility model;

[0028] Figure 3 It is the scrap removing strip and driving gear connecting structure schematic view of the utility model;

[0029] Figure 4 It is the tool base and placing strip connecting structure schematic view of the utility model.

[0030] In the drawing: 1, fixed base; 2, universal connecting rod; 3, support frame; 4, spring; 5, tool base; 6, placing strip; 7, scrap removing strip; 8, driving gear; 9, detection air bag; 10, guide rack. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] Please refer to Figures 1-4 The technical scheme of the utility model: extreme collision device for machine tool, including fixed base 1, universal connecting rod 2, support frame 3, spring 4, tool base 5, placing strip 6, scrap removing strip 7, driving gear 8, detection air bag 9 and guide rack 10.

[0033] The support frame 3 is arranged above the fixed base 1, the bottom of the fixed base 1 is a hollow structure, a square through groove is arranged at the edge of the bottom of the fixed base 1, and the upper surface of the fixed base 1 is fixedly connected with the support frame 3. The device can maximize the reduction of the overall weight of the device by arranging the bottom of the fixed base 1 as a hollow structure, effectively improves the installation and maintenance efficiency of the device, universal connecting rods 2 and springs 4 are arranged above the support frame 3, the support frame 3 is provided with two, the edge of the support frame 3 is provided with eight long rod structures arranged at equal intervals, the outermost side of the support frame 3 is a circular structure, a circular groove is arranged at the outer end of the long rod of the support frame 3, the bottom of the groove is a through hole structure, the directions of the grooves at the outer sides of the two support frames 3 are opposite, the device can effectively provide sufficient space for the universal connecting rods 2 to move by arranging the circular groove at the outer end of the long rod of the support frame 3, and the bottom of the groove is a through hole structure, thereby improving the detection sensitivity of the device, and the eight long rod structures arranged at equal intervals can effectively improve the detection accuracy of the device by means of algorithm and multi-phase detection, detection air bags 9 are arranged on the upper surfaces of the support frames 3, the detection air bags 9 are clamped between the support frames 3, the detection air bags 9 are divided into four layers, and air pressure sensors and air pumps are arranged in the detection air bags 9. The device can reduce the overall volume of the device while ensuring that the detection air bags 9 can provide stable air pressure support to ensure the stability of the structure by arranging the air pressure sensors and air pumps in the detection air bags 9, and the air bag structure of the detection air bag 9 is relatively soft, so that the air bag structure can improve the smoothness of the device offset, tool bases 5 and placing strips 6 are arranged above the detection air bags 9, the universal connecting rods 2 are slidingly connected between the support frames 3, the universal connecting rods 2 are long rod structures at the middle positions, the two ends of the universal connecting rods 2 are spherical structures, the springs 4 are sleeved outside the universal connecting rods 2, and phase sensors are arranged in the two ends of the universal connecting rods 2. The device can improve the stability of the support platform by sleeving the springs 4 outside the universal connecting rods 2, and the phase sensors arranged in the two ends of the universal connecting rods 2 can detect the state of the device by means of algorithm and up to sixteen phase sensors, thereby improving the detection accuracy of the device, predicting the collision knife symptom to effectively reduce the loss of the device, chip removal strips 7 and drive gears 8 are arranged on the left side of the tool base 5, the tool base 5 is fixedly connected above the support frame 3, the placing strips 6 are arranged at equal intervals above the tool base 5, T-shaped grooves are reserved between the placing strips 6, and the two ends of the placing strips 6 are penetrating structures. The device can improve the bearing capacity and compatibility of the device by reserving the T-shaped grooves between the placing strips 6, and the two ends of the placing strips 6 are penetrating structures, which can improve the removal efficiency of the chips in the cleaning process, and a guide rack 10 is arranged at the bottom of the tool base 5, the chip removal strips 7 are slidingly connected above the placing strips 6, T-shaped protrusions are arranged at the bottom of the chip removal strips 7 and match the grooves between the placing strips 6, the two ends of the chip removal strips 7 are rotatably connected with the drive gears 8, the drive gears 8 are driven by built-in motors, the drive gears 8 are meshingly connected with the guide rack 10, the guide rack 10 is fixedly connected at the bottom of the tool base 5, and the gears of the guide rack 10 are oppositely arranged,The device is connected with the guide rack 10 through the driving gear 8 meshing, and is driven by the built-in motor to drive the scrap removal strip 7 to clean the grooves between the placing strips 6 gradually, thereby improving the working efficiency of the device.

[0034] Working principle: when using the extreme collision seat device for machine tool, first, the fixed base 1 at the bottom of the device is inserted into the machining center, then the fixed clamp is slid into the groove of the placing strip 6 and the raw material is fixed, then the machining operation can be started, during the operation of the device, the built-in air pressure sensor and air pump of the detection air bag 9 can reduce the overall volume of the device, at the same time, ensure that the detection air bag 9 can provide stable air pressure support to ensure the stability of the structure, and the phase sensor built-in the both ends of the universal connecting rod 2 can monitor the state of the device in real time through algorithm cooperation with up to sixteen phase sensors, once the vibration sign of the tool collision appears, the device will send a signal to stop running in time and separate the main shaft from the tool head, thereby ensuring the safety of the main shaft.

[0035] Thus a series of work is completed, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0036] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A limit collision seat device for machine tools, comprising a fixed base (1), a universal connecting rod (2), a support frame (3), a spring (4) and a guide rack (10); Characterized in that: The fixed base (1) is provided with a support frame (3) above, and the support frame (3) is provided with a universal connecting rod (2) and a spring (4) above, and the upper surface of the support frame (3) is provided with a detection air bag (9), and the detection air bag (9) is provided with a tool base (5) and a placing strip (6) above, and the left side of the tool base (5) is provided with a chip removal strip (7) and a driving gear (8), and the bottom of the tool base (5) is provided with a guide rack (10); The support frame (3) is provided with two, and the edge of the support frame (3) is an eight-long rod structure arranged uniformly, the outermost side of the support frame (3) is a circular structure, and the outer end of the long rod of the support frame (3) is provided with a circular groove, and the bottom of the groove is a through hole structure, and the groove directions of the two support frames (3) are opposite; The detection air bag (9) is clamped between the support frames (3), and the detection air bag (9) is divided into four layers, and the detection air bag (9) is provided with an air pressure sensor and an air pump; The universal connecting rod (2) is slidingly connected between the support frames (3), the middle position of the universal connecting rod (2) is a long rod structure, and the two ends of the universal connecting rod (2) are spherical structures, the outer side of the universal connecting rod (2) is sleeved with a spring (4), and the two ends of the universal connecting rod (2) are provided with a phase sensor.

2. The limit crash seat device for machine tools according to claim 1, characterized in that, The bottom of the fixed base (1) is a hollow structure, and a square through groove is formed in the edge of the bottom of the fixed base (1), and the upper surface of the fixed base (1) is fixedly connected with the support frame (3).

3. The limit crash seat device for machine tools according to claim 2, characterized in that, The tool base (5) is fixedly connected above the support frame (3), the placing strips (6) are uniformly arranged above the tool base (5), the recesses of T-shaped structure are reserved between the placing strips (6), and the both ends of the placing strips (6) are through structures.

4. The limit crash seat device for machine tools according to claim 3, characterized in that, The chip removal strip (7) is slidingly connected above the placing strip (6), the T-shaped convex on the bottom of the chip removal strip (7) is matched with the recess between the placing strips (6), the both ends of the chip removal strip (7) are rotatably connected with the driving gear (8), the driving gear (8) is driven by the built-in motor, the driving gear (8) is meshingly connected with the guide rack (10), the guide rack (10) is fixedly connected at the bottom of the tool base (5), and the gear of the guide rack (10) faces oppositely.

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