Material supporting frame for long-shaft parts

Abstract

The utility model discloses a material supporting frame for long shaft parts, the material supporting frame comprises a first base, a second base, a first driving mechanism, a second driving mechanism and two material receiving arms, a linear guide rail is vertically arranged on the first base, the output end of the first driving mechanism is connected with a sliding block, the sliding block is in sliding connection with the linear guide rail, and the two material receiving arms are arranged on the first base. The second base is fixed to the front end of the sliding block, a transmission shaft transversely penetrates through the sliding block, the second driving mechanism is installed on the second base and used for driving the transmission shaft to rotate, the two material receiving arms are fixed to the transmission shaft, and an arc-shaped supporting piece with an upward opening is fixed to the top end of each material receiving arm. The material supporting frame is simple in structure, convenient to install and debug, low in precision requirement and long in service life, the material receiving arm of the material supporting frame can rotate or move, the material receiving arm can move to the position under a workpiece during material receiving or feeding, a main shaft can be far away from a machining area during machining, interference to other components is reduced, and the influence on the Z-axis stroke is extremely small.

Description

TECHNICAL FIELD

[0001] The utility model belongs to numerical control lathe accessory technical field, concretely relates to a long axle class spare is with material support frame. BACKGROUND

[0002] With the increase of artificial cost and the popularization of artificial intelligence, the use of robots and manipulators has shown a popular trend. Processing enterprises no longer satisfy artificial feeding and unloading, artificial carrying and other working methods, integrated units and artificial intelligence enter enterprises. From the beginning of the blank to the end of the finished product, the calculation of the processing rhythm of the numerical control lathe is accurate to seconds. In this case, various parts and structures for auxiliary processing are born.

[0003] At present, the common numerical control lathe auxiliary parts on the market include automatic feeding machine, automatic material receiving device, material supporting frame, center frame, tool rest and the like, wherein the material supporting frame is a commonly used material receiving and feeding device for long axle class parts, and the commonly seen material supporting frame is a V-shaped iron support, a guide rail is used to connect the main shaft and the tailstock together, two connecting arms are installed on the guide rail through jacks, a short shaft is connected to the end of the main shaft and the tailstock respectively, the two connecting arms are connected to the two short shafts through jacks respectively, and the main shaft, the short shaft and the guide rail are parallel to each other. V-shaped iron is installed on the two connecting arms respectively, the workpiece is supported by the V-shaped iron, and the preliminary positioning of the workpiece is realized. The supporting length of the V-shaped iron changes with the change of the tailstock position during the machining process, and the diameter of the workpiece can be changed by the height of the V-shaped iron. The coaxiality requirement of the above-mentioned V-shaped iron support for the installation of the guide rail is high. If the parallel error of the guide rail and the main shaft is large, resistance will be generated during operation, which will cause damage to the tailstock side bearing or the short shaft. In addition, the assembly process of the above-mentioned V-shaped iron support is complex, and the connecting arm needs to move along the short shaft and the guide rail during operation. If it cannot slide smoothly, the parts are easily damaged. The short shaft plays a supporting role for the connecting arm, but it also affects the stroke of the tailstock. The tailstock cannot be too close to the chuck, and it is difficult to process short shaft class parts. In the case where the material supporting frame is not needed, the above-mentioned V-shaped iron support occupies a large space, causing a large amount of chips generated during lathe machining to be wound on each component of the V-shaped iron support, which is difficult to clean and can easily scratch the machining surface of the workpiece. UTILITARIAN CONTENT

[0004] The utility model solves the technical problem of the prior art, provides a long axle class spare is with material support frame, its structure is simple, and installation and debugging are convenient, and the precision requirement is low, and the service life is long, the material receiving arm can rotate or move, the material receiving arm can be shifted to the front of the workpiece during material receiving or feeding, the main shaft can be far away from the machining area during machining, the interference to other parts is reduced, and the influence on the Z-axis stroke is very small.

[0005] The utility model discloses a technical scheme that solves the above technical problems, which is a material supporting frame for long shaft parts, which comprises a first base, a second base, a first driving mechanism, a second driving mechanism and two material receiving arms, a linear rail is vertically installed on the first base, a sliding block is connected to the output end of the first driving mechanism, the sliding block is slidably connected to the linear rail, the second base is fixed to the front end of the sliding block, a transmission shaft is transversely arranged on the sliding block, the second driving mechanism is installed on the second base, the second driving mechanism is used for driving the transmission shaft to rotate, the two material receiving arms are respectively fixed to the transmission shaft, and an arc-shaped supporting piece with an upward opening is fixed to the top end of each material receiving arm, after installation, the first base is fixed to one side of the spindle box on the body of the numerical control lathe, before material receiving, the sliding block moves upwards, the transmission shaft rotates, and drives the material receiving arms to move to the position directly below the workpiece.

[0006] The material supporting frame can be integrally installed after assembly, the first base is fixed to one side of the spindle box, and assembly time is saved. The material supporting frame is installed on one side of the spindle box, and the main structures are located in the non-processing area, which is beneficial to releasing the processing space, ensuring the service life of the main structures, and the material supporting frame is not associated with the tailstock on the body of the numerical control lathe, the structure is simple, installation and debugging are convenient, and the precision requirement is low.

[0007] The material receiving arms of the material supporting frame can rotate around the center line of the transmission shaft or move up and down, the material receiving arms can move to the position directly below the workpiece when the long shaft part is receiving or feeding, the material receiving arms can move away from the processing area during spindle processing, the interference on other components is reduced, and the influence on the Z-axis stroke is extremely small. During work of the material supporting frame, the first driving mechanism drives the material receiving arms, the transmission shaft, the second base and the second cylinder to integrally move up and down, the processing area is as large as possible during workpiece processing; the second driving mechanism drives the transmission shaft to rotate, the material receiving arms rotate to the position directly below the workpiece during receiving or feeding, and the material receiving arms rotate to one side of the spindle during the rest time and are pushed to the lowermost position away from the spindle by the first cylinder, so that the material receiving arms do not interfere with the spindle.

[0008] Preferably, the two material receiving arms are connected in series on the transmission shaft, the bottom end of each material receiving arm is connected to the transmission shaft through a shaft sleeve, and the shaft sleeve is fixed to the transmission shaft through a jackscrew. The jackscrew is loosened to adjust the position of the material receiving arm on the transmission shaft.

[0009] Preferably, the first driving mechanism comprises a first cylinder, the first cylinder is vertically installed on the first base, the first cylinder is located on the upper side of the linear rail, and the piston rod of the first cylinder is connected to the sliding block.

[0010] Preferably, the second drive mechanism includes a second cylinder, a crank, and a cam. The second cylinder is mounted vertically on the second base. The piston rod of the second cylinder is connected to the cam via the crank. The cam is connected to the drive shaft via a key.

[0011] Preferably, a guide sleeve is installed between the drive shaft and the slider.

[0012] Compared with the prior art, this utility model has the following advantages: the material support frame for long shaft parts has a simple structure, is easy to install and debug, has low precision requirements, and a long service life. The receiving arm of this material support frame can rotate or move up and down around the center line of the drive shaft. When receiving or loading long shaft parts, the receiving arm can be moved to directly below the workpiece, allowing the spindle to be away from the processing area during machining, reducing interference with other components and having minimal impact on the Z-axis travel. Attached Figure Description

[0013] Figure 1 This is an external view of the material support frame in the embodiment;

[0014] Figure 2 This is a longitudinal sectional view of the material support frame in the embodiment;

[0015] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0016] Figure 4 This is a rendering of the material support frame installed on a CNC lathe in the embodiment.

[0017] The specific reference numerals in the figure are as follows:

[0018] 1-First base, 11-Linear guide rail, 2-Second base, 3-First cylinder, 31-Slider, 32-Drive shaft, 33-Guide sleeve, 4-Second cylinder, 41-Crank, 42-Cam, 43-Key, 5-Receiving arm, 51-Shaft sleeve, 52-Arc support plate, 6-CNC lathe bed, 61-Spindle box, 62-Tailstock, 63-Workpiece. Detailed Implementation

[0019] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Devices, components, or structures not limited in this invention all employ conventional techniques in the art.

[0020] Example: A material support rack for long shaft-type parts, such as Figures 1-3As shown, the material supporting frame comprises a first base 1, a second base 2, a first driving mechanism, a second driving mechanism and two material receiving arms 5. The first base 1 is vertically provided with a linear rail 11. The output end of the first driving mechanism is connected with a sliding block 31 which is in sliding connection with the linear rail 11. The second base 2 is fixed to the front end of the sliding block 31. A transmission shaft 32 is transversely arranged on the sliding block 31. A guide sleeve 33 is arranged between the transmission shaft 32 and the sliding block 31. The second driving mechanism is arranged on the second base 2 and is used to drive the transmission shaft 32 to rotate. The two material receiving arms 5 are connected in series on the transmission shaft 32. The bottom end of each material receiving arm 5 is connected with the transmission shaft 32 through a shaft sleeve 51 which is fixed to the transmission shaft 32 through a jack screw (not shown in the figure). The top end of each material receiving arm 5 is fixed with an arc-shaped supporting piece 52 with an opening facing upward.

[0021] In the embodiment, the first driving mechanism comprises a first cylinder 3 which is vertically arranged on the first base 1 and is located above the linear rail 11. The piston rod of the first cylinder 3 is connected with the sliding block 31. The second driving mechanism comprises a second cylinder 4, a crank 41 and a cam 42. The second cylinder 4 is vertically arranged on the second base 2. The piston rod of the second cylinder 4 is connected with the cam 42 through the crank 41. The cam 42 is connected with the transmission shaft 32 through a key 43.

[0022] As shown in the figure, Figure 4 After the material supporting frame is installed, the first base 1 is fixed to one side of the spindle box 61 on the bed body 6 of the numerical control lathe. The main structure of the material supporting frame is located in the non-machining area, which is beneficial to release the machining space and ensure the service life of the main structure. The material supporting frame is not associated with the tailstock 62 on the bed body of the numerical control lathe, and has simple structure, convenient installation and debugging and low precision requirement.

[0023] When the material supporting frame is working, the first cylinder 3 drives the material receiving arms 5, the transmission shaft 32, the second base 2, the second cylinder 4 and the like to move up and down as a whole, so as to ensure that the machining area is as large as possible when the workpiece 63 (i.e. a long shaft type part) is machined. The second cylinder 4 transmits power to the cam 42 through the crank 41. The cam 42 rotates to drive the transmission shaft 32 to rotate. The transmission shaft 32 drives the material receiving arms 5 to rotate. The material receiving arms 5 are rotated to the position directly below the workpiece 63 when the material receiving arms 5 receive or feed materials. The material receiving arms 5 are rotated to the side of the spindle during the rest time and are pushed to the lowermost position away from the spindle by the first cylinder 3 to avoid interference with the spindle. In addition, the position of the material receiving arms 5 on the transmission shaft 32 can be adjusted by loosening the jack screw.

Claims

1. A long axis type workpiece supporting jig characterized by comprising: The material supporting frame comprises a first base, a second base, a first driving mechanism, a second driving mechanism and two material receiving arms, the first base is vertically provided with a linear rail, the output end of the first driving mechanism is connected with a sliding block, the sliding block is in sliding connection with the linear rail, the second base is fixed at the front end of the sliding block, a transmission shaft is transversely provided on the sliding block, the second driving mechanism is installed on the second base, the second driving mechanism is used for driving the transmission shaft to rotate, the two material receiving arms are respectively fixed on the transmission shaft, the top end of each material receiving arm is fixed with an arc-shaped supporting piece with an opening facing upward, after installation, the first base is fixed on one side of the spindle box of the numerical control lathe bed, before material receiving, the sliding block moves upward, the transmission shaft rotates to drive the material receiving arms to move to the position directly below the workpiece.

2. The holder for long shaft parts according to claim 1, wherein The two material receiving arms are connected in series on the transmission shaft, the bottom end of each material receiving arm is connected with the transmission shaft through a shaft sleeve, and the shaft sleeve is fixed on the transmission shaft through a top pin.

3. The holder for long shaft parts according to claim 1, wherein The first driving mechanism comprises a first cylinder, the first cylinder is vertically installed on the first base, the first cylinder is located on the upper side of the linear rail, and the piston rod of the first cylinder is connected with the sliding block.

4. The holder for long shaft parts according to any one of claims 1 to 3, characterized in that, The second driving mechanism comprises a second cylinder, a crank and a cam, the second cylinder is vertically installed on the second base, the piston rod of the second cylinder is connected with the cam through the crank, and the cam is connected with the transmission shaft through a key.

5. The holder for long shaft parts according to claim 4, wherein A guide sleeve is installed between the transmission shaft and the sliding block.

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