Machining positioning device for machine tool

Abstract

The utility model provides a machining positioning device for a machine tool, which comprises a machine tool frame body, a cavity is arranged at the bottom of the machine tool frame body, a clamping mechanism is arranged in the machine tool frame body, the machining positioning device is characterized in that the clamping mechanism comprises a bearing frame, a driving motor is arranged beside the bearing frame, the output end of the driving motor is connected with a two-way screw rod, and the two-way screw rod is arranged in the cavity. The left side and the right side of the two-way screw are in threaded connection with moving blocks correspondingly, and a guide rod is slidably connected into each moving block. By arranging the blower device, the air supply pipe and other parts, when the machine tool conducts machining, the air supply pipe can blow off chippings attached to the bearing frame in time, the chippings are prevented from being attached to the surface of the screw rod to affect rotation of the screw rod, then the working efficiency is effectively improved, and meanwhile the service life of the two-way screw rod and the service life of the driving motor are prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe processing technical field especially relates to a kind of processing positioning device for lathe. BACKGROUND

[0002] Lathe processing positioning refers to the correct position of workpiece in lathe or fixture during machining process, and the process of keeping the position stable during machining process. Precise positioning is the key link to ensure the machining accuracy of parts (such as dimensional accuracy, shape accuracy, position accuracy).

[0003] Patent No. CN221455084U provides a part machining positioning device of numerical control machine tool, comprising numerical control machine tool body;The working groove is formed in the numerical control machine tool body;Lifting plate is arranged in the working groove;Workbench is arranged on the lifting plate;Clamping assembly is arranged on the workbench;Different specifications of workpiece are clamped and positioned by clamping assembly arranged in numerical control machine tool body, clamping assembly includes moving groove, etc., moving groove is opened on the workbench, screw rod and fixed plate are arranged in moving groove, clamping shaft and clamping plate are arranged on fixed plate, clamping assembly is provided with two groups, workpiece is placed on workbench and needs to be clamped and positioned, screw rod is driven to rotate by using moving motor to adjust the position of fixed plate, and then the workpiece is clamped and fixed by two clamping plates, after the workpiece is clamped and positioned, drilling work is carried out, adjustable fixed plate can adapt to workpieces of different specifications, and prevent the workpiece from falling off or deviating during clamping.

[0004] However, the patent still has the following technical defects: the patent technology drives the clamping assembly to move horizontally by motor and screw rod, and each component is exposed, a large amount of debris will be generated during lathe processing, and the patent technology does not have a corresponding cleaning mechanism, resulting in a large amount of debris accumulating in the gap beside the screw rod, which will affect the rotation speed of the screw rod and the moving speed of the clamping assembly, thereby affecting the work efficiency, at the same time, if the rotation speed of the screw rod is inconsistent with the driving speed of the motor, the motor is also easy to be damaged. UTILITY MODEL CONTENT

[0005] According to the above technical problems, the utility model provides a kind of processing positioning device for lathe, which is convenient to clean and improve work efficiency.

[0006] The utility model provides a kind of processing positioning device for machine tool, including machine tool frame body, the bottom of machine tool frame body is equipped with a cavity, clamping mechanism is installed inside machine tool frame body, it is characterized in that the clamping mechanism includes support frame, driving motor is installed in the side of support frame, the output end of driving motor is connected with two-way screw rod, the left and right sides of two-way screw rod are respectively connected with moving block by screw thread, each moving block is slidably connected with guide rod, each moving block top is fixedly connected with clamping plate, the top of clamping plate is connected with rotating piece by screw thread, and the side wall of clamping plate is connected with thimble by screw thread.

[0007] The clamping plate is L-shaped, the bottom of rotating piece is provided with a circular pressing plate, the front side of thimble is provided with a top post, and the outer wall surface of thimble is provided with threads.

[0008] The two-way screw rod and the guide rod are placed side by side, the output end of the driving motor penetrates the inside of the support frame and is connected with one side of the two-way screw rod, and the other side of the two-way screw rod is connected with the side wall of the support frame through a bearing.

[0009] The side wall of the machine tool frame body is fixedly connected with a blowing device, the top of the blowing device is connected with a blast pipe, the blast pipe penetrates the machine tool frame body, and the air outlet is opposite to the clamping mechanism, the front and back of the other side wall of the machine tool frame body are fixedly connected with electric push rods, and the extension end of each electric push rod is connected with the same brush.

[0010] The inside top of the machine tool frame body is fixedly connected with a cross bar, the middle of the cross bar is fixedly connected with a connecting seat, the bottom of the connecting seat is fixedly connected with a telescopic air cylinder, the telescopic end of the telescopic air cylinder is connected with a machining head, and the machining head is internally provided with a driving device to drive the cutting drill bit to rotate.

[0011] The front side of the machine tool frame body is hingedly connected with a protective door, and an observation window is arranged on the protective door.

[0012] A collection box can be connected in the bottom cavity of the machine tool frame body, a handle is arranged on the front side of the collection box, and a plurality of strip-shaped through holes are arranged on the surface of the machine tool frame body above the collection box.

[0013] The utility model has the beneficial effects that: the utility model is a kind of processing positioning device for machine tool, by setting up blowing device, blast pipe and other components, so that machine tool can timely blow off the debris adhered on support frame when processing, prevent its adhesion on screw rod surface from affecting its rotation, thereby effectively improve work efficiency, and prolong the service life of two-way screw rod and driving motor simultaneously.

[0014] Through setting electric push rod, brush and collection box, the debris blown to the surface of machine tool frame body is brushed to the collection box through the brush, and the workbench surface is cleaned in time to ensure the cleanness;When clamping plate is used to clamp the processing piece, the rotating part is selected to press and fix;When clamping columnar processing piece, the rotating part is pressed and fixed, and the ejector pin is used to press and fix, so that the clamping mechanism can clamp and fix different processing pieces, and the use range is increased. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural schematic view of the utility model;

[0017] Figure 3 It is a clamping structure schematic view of the utility model hand;

[0018] Figure 4 It is a clamping mechanism structural schematic view of the utility model.

[0019] Fig. 1 is a machine tool frame body;11 - guard door;12 - air blowing device;13 - air supply pipe;14 - cross bar;15 - connecting seat;16 - telescopic cylinder;17 - processing head;18 - collection box;181 - handle;19 - electric push rod;111 - strip-shaped through hole;20 - brush;21 - support frame;22 - driving motor;23 - moving block;24 - clamping plate;25 - ejector pin;26 - rotating part;27 - bidirectional screw;28 - guide rod. DETAILED DESCRIPTION

[0020] Example 1

[0021] The technical scheme of the utility model will be described clearly and completely in combination with the drawings of the utility model.

[0022] As Figures 1-2 Indicated, the utility model provides a kind of processing positioning device for machine tool, including machine tool frame body 1, the bottom of machine tool frame body 1 is set with a cavity, clamping mechanism is installed in machine tool frame body 1, it is characterized in that clamping mechanism includes support frame 21, driving motor 22 is installed in the side of support frame 21, driving motor 22 output end connects bidirectional screw 27, bidirectional screw 27 left and right sides are respectively screw connection moving block 23, each moving block 23 is slidably connected with guide rod 28, each moving block 23 top is fixedly connected with clamping plate 24, clamping plate 24 top is screw connection rotating part 26, and clamping plate 24 side wall is screw connection ejector pin 25.

[0023] The clamping plate 24 is L-shaped, the bottom of the rotating part 26 is provided with a circular pressing plate, the front side of the ejector pin 25 is provided with a top post, the outer wall surface of the ejector pin 25 is provided with threads, and the surface of the rotating part 26 is provided with threads.

[0024] As shown in Figures 3-4 The bidirectional screw rod 27 is arranged side by side with the guide rod 28, the output end of the driving motor 22 penetrates through the inside of the bearing frame 21 and is connected with one side of the bidirectional screw rod 27, and the other side of the bidirectional screw rod 27 is connected with the side wall of the bearing frame 21 through a bearing.

[0025] As shown in Figures 1-2 The air blowing device 12 is fixedly connected to the side wall of the machine tool frame body 1, the air blowing device 12 is connected with the air blowing pipe 13 at the top, the air blowing pipe 13 penetrates through the machine tool frame body 1, and the air blowing opening is opposite to the clamping mechanism, and the front and back of the other side wall of the machine tool frame body 1 are respectively fixedly connected with the electric push rods 19, and the extension ends of each electric push rod 19 are connected with the same brush 20.

[0026] The cross rod 14 is fixedly connected to the inside top of the machine tool frame body 1, the connecting seat 15 is fixedly connected to the middle of the cross rod 14, the telescopic air cylinder 16 is fixedly connected to the bottom of the connecting seat 15, the machining head 17 is connected with the extension end of the telescopic air cylinder 16, and the machining head 17 is internally provided with a driving device to drive a cutting drill bit to rotate.

[0027] The protective door 11 is hinged to the front side of the machine tool frame body 1, and the observation window is arranged on the protective door 11.

[0028] The collecting box 18 can be connected to the cavity in the bottom of the machine tool frame body 1 in a pullable manner, the handle 181 is arranged on the front side of the collecting box 18, and a plurality of strip-shaped through holes 111 are formed in the surface of the machine tool frame body 1 located directly above the collecting box 18.

[0029] Embodiment 2

[0030] In use, the length of the plate-shaped workpiece is compared with the distance between the two clamping plates 24, the driving motor 22 is started, and the driving motor 22 is reversely rotated, so that the bidirectional screw rod 27 is rotated, the two moving blocks 23 are moved towards or away from each other under the action of the guide rod 28, the workpiece is placed on the surface of the clamping plate 24 after the distance between the two moving blocks 23 is adjusted, the driving motor 22 is started again, the clamping plate 24 is moved towards the workpiece, the workpiece is clamped more tightly, then the rotating part 26 is manually adjusted to drive the circular pressing plate to press down, and the workpiece is pressed again.

[0031] If the workpiece is columnar, the workpiece can be placed on the surfaces of the two clamping plates 24, the ejector pin 25 is rotated out, the driving motor 22 is started again, the moving block 23 is driven, the clamping plate 24 and the ejector pin 25 are moved towards the workpiece, the ejector pin 25 can tightly press the workpiece on both sides, and if necessary, the rotating part can be rotated to press the workpiece again through the circular pressing plate.

[0032] After the fixing, the telescopic cylinder 16 and the driving device inside the machining head are started to drive the machining drill bit to rotate, so that the machining of the machining piece is realized, and a large amount of chippings is generated in the machining process, the air blowing device 12 is started, wherein the air blowing device can be selected as a blower, so that air is sent to the supporting frame 21 through the air supply pipe 13, at this time, the chippings are blown to fall to the surface of the machine tool frame body 1, and then fall into the collecting box 18 through the strip-shaped through hole 111, the observation through the observation window on the protective door 11 can be observed, if the strip-shaped through hole 111 is blocked by the chippings, the electric push rod 19 is started to drive the brush 20 to brush off the chippings.

[0033] During the whole machining process, the protective door 11 is tightly closed to prevent the chippings from splashing to cause harm to the workers.

[0034] The basic principle and main characteristics of the utility model and the advantages of the utility model are shown and described. The components mentioned in the utility model are common technologies in the prior art, which should be understood by the technicians in the industry, the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A machining positioning device for a machine tool, comprising a machine tool frame body, a cavity is formed in the bottom of the machine tool frame body, and a clamping mechanism is installed inside the machine tool frame body, characterized in that The clamping mechanism comprises a supporting frame, a driving motor is installed beside the supporting frame, the output end of the driving motor is connected with a bidirectional screw rod, the left and right sides of the bidirectional screw rod are respectively connected with moving blocks through threads, a guide rod is slidably connected in each moving block, a clamping plate is fixedly connected to the top of each moving block, a rotating piece is threadedly connected to the top of the clamping plate, and a thimble is threadedly connected to the side wall of the clamping plate.

2. A work positioning device for a machine tool according to claim 1, characterised in that The clamping plate is L-shaped, the bottom of the rotating piece is provided with a circular pressing disc, the front side of the thimble is provided with a top post, the outer wall surface of the thimble is provided with threads, and the surface of the rotating piece is provided with threads.

3. A work positioning device for machine tools according to claim 1, characterized in that The bidirectional screw rod is placed side by side with the guide rod, the output end of the driving motor penetrates through the inside of the supporting frame and is connected with one side of the bidirectional screw rod, and the other side of the bidirectional screw rod is connected with the side wall of the supporting frame through a bearing.

4. A work positioning device for machine tools according to claim 1, characterized in that A blowing device is fixedly connected to the side wall beside the machine tool frame body, the top of the blowing device is connected with a blowing pipe, the blowing pipe penetrates through the machine tool frame body, and a blowing opening is opposite to the clamping mechanism, an electric push rod is fixedly connected to the front and back of the other side wall of the machine tool frame body, and the extension end of each electric push rod is connected with the same brush.

5. A work positioning device for machine tools according to claim 1, characterized in that A cross rod is fixedly connected to the top of the inner side of the machine tool frame body, a connecting seat is fixedly connected to the middle of the cross rod, a telescopic air cylinder is fixedly connected to the bottom of the connecting seat, a machining head is connected to the extension end of the telescopic air cylinder, and the machining head is internally provided with a driving device to drive a cutting drill bit to rotate.

6. A work positioning device for machine tools according to claim 1, characterized in that A protection door is hingedly connected to the front side of the machine tool frame body, and an observation window is arranged on the protection door.

7. A work positioning device for machine tools according to claim 1, characterized in that A collecting box is pullably connected in the bottom cavity of the machine tool frame body, a handle is arranged on the front side of the collecting box, and a plurality of strip-shaped through holes are formed in the surface of the machine tool frame body above the collecting box.

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