Workpiece limiting and adjusting device of numerical control machine tool

Abstract

The utility model discloses a workpiece limiting and adjusting device of a numerical control machine tool. The workpiece limiting and adjusting device comprises a conveying frame, conveying rollers, supporting columns, a pre-guiding mechanism and a limiting mechanism. The pre-guiding mechanism is arranged at the front middle end and the rear middle end of the conveying frame, the limiting mechanism is arranged at the left end of the pre-guiding mechanism, and the pre-guiding mechanism comprises the first connecting frame, the movable arm, the first threaded rod, the second connecting frame, the guiding plate and other assemblies, so that under mutual cooperation, pre-guiding of workpieces on the conveying frame can be achieved, and the conveying form of the workpieces is pretreated; and the pre-guiding mechanism and the limiting mechanism comprise a bottom cabin, a motor cabin, a transmission cabin, a reciprocating cabin, an adjusting mechanism and other assemblies, limiting adjustment on workpieces can be achieved under mutual cooperation, inclination during transportation is avoided, later treatment and machining are not facilitated, the structure is simple and stable, use is convenient and fast, and high practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the relevant field of numerical control machine tools, in particular to a workpiece limit adjustment device for numerical control machine tools. Background Art

[0002] CNC machine tool is the abbreviation of digital control machine tool. It is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, express them in coded numbers, input them into the CNC device through information carriers, and after calculation and processing, the CNC device sends out various control signals to control the movement of the machine tool and automatically process parts according to the shape and size required by the drawing.

[0003] During the workpiece transportation process, the workpiece may be affected by factors such as vibration, causing tilt or deviation, which may cause the workpiece to enter the processing area at an incorrect posture angle. This may cause the processed workpiece to not meet production requirements, affect the processing and production of CNC machine tools, cause waste, and have certain limitations. Utility Model Content

[0004] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a workpiece limit adjustment device for a CNC machine tool.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a workpiece limit adjustment device for a CNC machine tool, comprising a conveyor frame capable of transporting workpieces, a plurality of conveyor rollers arranged in the conveyor frame, a group of supporting columns for supporting are arranged at the four ends of the bottom of the conveyor frame, and a pre-guiding mechanism for pre-processing the workpiece is arranged at the front and rear middle ends of the conveyor frame, and a limiting mechanism for limiting the workpiece is arranged at the left end of the pre-guiding mechanism;

[0006] The pre-guiding mechanism comprises a connecting frame 1, a movable arm, a threaded rod 1, a connecting frame 2 and a guide plate, a connecting frame 1 is provided at the front and rear middle ends of the conveying frame, a movable arm is provided at the top of the two groups of connecting frames 1, and a threaded rod 1 is connected to the top surface, the movable arm passes through the top outer end of the connecting frame 1, the threaded rod 1 passes through the top of the connecting frame 1 and contacts the top surface of the movable arm, and the opposite ends of the two groups of movable arms are hinged with a connecting frame 2, the top surfaces of the opposite ends of the two groups of connecting frames 2 are connected with a guide plate through a connecting shaft, and a connecting block that can be connected to the connecting shaft is provided on the side of the guide plate close to the connecting frame 2.

[0007] Preferably, the limiting mechanism includes a bottom cabin, a motor cabin, a transmission cabin, a reciprocating cabin and an adjusting mechanism, a group of bottom cabins is provided at a position on the bottom surface of the conveying frame near the left end of the connecting frame, a group of rotating rods is provided in the bottom cabin, a group of motor cabins is provided at the middle end of the left side of the bottom cabin, a group of motors is provided in the motor cabin, the outer side of the motor driving shaft is connected to the middle end of the rotating rod through a group of transmission belts, the front and rear ends of the bottom cabin are both connected to a group of transmission cabins, the opposing surfaces of the two groups of transmission cabins are in contact with the front and rear ends of the conveying frame, and a group of reciprocating cabins are provided at the top of the side away from each other, the bottom end of the reciprocating cabin is connected to the bottom end outside the transmission cabin through a group of support arms, and a group of threaded rods are provided in the reciprocating cabins, and a group of adjusting mechanisms are connected through the threaded rods.

[0008] Preferably, the components of the two groups of adjustment mechanisms are the same, and the adjustment mechanisms include a pushing arm, a connecting arm, a slider and a limit plate. The end of the pushing arm away from the conveying frame is connected to a group of connecting arms, the bottom end of the connecting arm extends through the reciprocating cabin, and is connected to the second threaded rod through a group of sliders. The middle end of the slider is provided with a threaded hole corresponding to the second threaded rod, and the other end of the connecting arm is connected to a group of limit plates. The middle ends of the opposite surfaces of the two groups of limit plates are provided with a group of grooves, and a number of groups of rollers are provided at equal intervals in the grooves.

[0009] Preferably, a group of buffer layers are provided on the outer sides of the rollers, and the outer ends of the rollers extend to the outside of the grooves.

[0010] Preferably, the front and rear ends of the rotating rod extend through the bottom ends of the two transmission cabins respectively, and the opposite ends of the two sets of threaded rods extend through the top ends of the two transmission cabins and are connected to the front and rear ends of the rotating rods through a set of transmission belts respectively.

[0011] Preferably, the thread directions of the two groups of threaded rods 2 are opposite.

[0012] Preferably, a torsion spring is provided at the connection between the connecting shaft and the connecting block.

[0013] Preferably, the first connecting frame and the second connecting frame are both L-shaped.

[0014] Beneficial effects of the utility model:

[0015] The utility model has a pre-guiding mechanism arranged at the front and rear middle ends of the conveying frame, and a limiting mechanism is arranged at the left end of the pre-guiding mechanism. The pre-guiding mechanism includes components such as a connecting frame, a movable arm, a threaded rod, a connecting frame and a guide plate, which cooperate with each other to realize pre-guiding of the workpiece on the conveying frame, pre-process its transportation form, and facilitate the limit adjustment of the limiting mechanism at the left end. The pre-guiding mechanism limiting mechanism includes components such as a bottom cabin, a motor cabin, a transmission cabin, a reciprocating cabin and an adjustment mechanism, which cooperate with each other to realize the limit adjustment of the workpiece, avoid tilting during transportation, which is not conducive to later processing, and has a simple and stable structure, is easy to use, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view structural diagram of the utility model;

[0017] Figure 2 It is a partial left-side structural schematic diagram of the pre-guiding mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the top view of the guide plate of the utility model;

[0019] Figure 4 This is a partial left-side structural schematic diagram of the limiting mechanism of the utility model;

[0020] Figure 5 It is a schematic diagram of the internal structure of the limiting mechanism of the utility model;

[0021] Figure 6 It is a schematic diagram of the internal top view of the limiting plate of the utility model.

[0022] Among them: conveying frame-1, conveying roller-2, supporting column-3, pre-guiding mechanism-4, limiting mechanism-5, connecting frame-1-41, movable arm-42, threaded rod-1-43, connecting frame-2-44, guide plate-45, connecting shaft-441, connecting block-451, bottom cabin-51, motor cabin-52, transmission cabin-53, reciprocating cabin-54, adjusting mechanism-55, rotating rod-511, motor-521, supporting arm-541, threaded rod-2-542, pushing arm-551, connecting arm-552, sliding block-553, limiting plate-554, groove-5541, roller-5542. DETAILED DESCRIPTION

[0023] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.

[0024] See also Figure 1The utility model provides a workpiece limit adjustment device for a numerically controlled machine tool, comprising a conveying frame 1 for transporting workpieces, a plurality of conveying rollers 2 are arranged in the conveying frame 1, a group of supporting columns 3 for supporting are welded at the four ends of the bottom of the conveying frame 1, and a pre-guiding mechanism 4 for pre-processing the workpiece is arranged at the front and rear middle ends of the conveying frame 1, and a limiting mechanism 5 for limiting the workpiece is arranged at the left end of the pre-guiding mechanism 4.

[0025] See also Figure 1-3 The utility model provides a workpiece limit adjustment device for a numerical control machine tool. The pre-guide mechanism 4 includes a connecting frame 41, a movable arm 42, a threaded rod 43, a connecting frame 24 and a guide plate 45. A group of "L"-shaped connecting frames 41 are provided at the front and rear middle ends of the conveying frame 1. The tops of the two groups of connecting frames 41 are connected with a group of movable arms 42, and the top surfaces are connected with a group of threaded rods 43. The movable arms 42 penetrate the top outer ends of the connecting frames 41, and the threaded rods 43 penetrate the tops of the connecting frames 41 and contact the top surfaces of the movable arms 42. The distance between the front and rear two groups of connecting frames 44 and the guide plate 45 can be adjusted by stretching the movable arms 42, and the distance between the front and rear two groups of connecting frames 44 and the guide plate 45 can be adjusted by rotating the threaded rods 43. The rod 1 43 squeezes the top surface of the movable arm 42 to fix it, and the opposite ends of the two groups of movable arms 42 are hinged with a group of "L"-shaped connecting frames 44, wherein a damping is provided at the hinge to increase the friction, and the top surfaces of the opposite ends of the two groups of connecting frames 44 are connected with a group of guide plates 45 through a connecting shaft 441, and the side of the guide plate 45 close to the connecting frame 44 is provided with a group of connecting blocks 451 that can be connected to the connecting shaft 441, and the guide plate 45 can rotate around the connecting frame 44 to adjust the inclination angle, wherein a torsion spring is provided at the connection between the connecting shaft 441 and the connecting block 451, which can improve the flexibility during guiding and avoid the workpiece from being stuck.

[0026] See also Figure 4-5The utility model provides a workpiece limit adjustment device for a numerically controlled machine tool. The limit mechanism 5 includes a bottom cabin 51, a motor cabin 52, a transmission cabin 53, a reciprocating cabin 54 and an adjustment mechanism 55. A group of bottom cabins 51 are connected to the bottom surface of the conveyor frame 1 near the left end of the connecting frame 41. A group of rotating rods 511 are rotatably connected in the bottom cabin 51, and the front and rear ends of the rotating rods 511 extend through and extend to the bottom ends of the two groups of transmission cabins 53 respectively. A group of motor cabins 52 are connected to the middle end of the left side of the bottom cabin 51. A group of motors 521 are installed in the motor cabin 52. The outer side of the driving shaft of the motor 521 is connected to the middle end of the rotating rod 511 through a group of transmission belts. The rotation of the driving shaft of the motor 521 can drive the rotating rod 511 to rotate. The front and rear ends of the bottom cabin 51 are both connected to a group of transmission cabins 53. The opposite surfaces of the cabin 53 are in contact with the front and back of the conveyor frame 1, and the top of the side away from each other is connected to a group of reciprocating cabins 54. The bottom end of the reciprocating cabin 54 is connected to the outer bottom end of the transmission cabin 53 through a group of support arms 541, which can support the reciprocating cabin 54. A group of threaded rods 542 are rotatably connected in the reciprocating cabin 54. The opposite ends of the two groups of threaded rods 542 extend through the top of the two groups of transmission cabins 53, and are respectively connected to the front and rear ends of the rotating rod 511 through a group of transmission belts 2. The rotation of the rotating rod 511 can drive the two groups of threaded rods 542 to rotate through the transmission belts 2. Furthermore, the thread directions of the two groups of threaded rods 542 are opposite, and a slider 553 is connected to the outside. When the two groups of threaded rods 542 rotate, the two groups of sliders 553 can be driven to move relative to each other.

[0027] See also Figure 5-6 The utility model provides a workpiece limit adjustment device for a numerically controlled machine tool. The components of the two groups of adjustment mechanisms 55 are the same. The adjustment mechanism 55 includes a push arm 551, a connecting arm 552, a slider 553 and a limit plate 554. The end of the push arm 551 away from the conveyor frame 1 is connected to a group of connecting arms 552. The bottom end of the connecting arm 552 extends through the reciprocating cabin 54 and is connected to the second threaded rod 542 through a group of sliders 553. The middle end of the slider 553 is provided with a threaded hole corresponding to the second threaded rod 542, and the other end of the connecting arm 552 is connected to a group of limit plates 554. The middle ends of the opposite surfaces of the two groups of limit plates 554 are both opened. There is a group of grooves 5541, and a number of groups of rollers 5542 are arranged at equal intervals in the grooves 5541. A group of buffer layers are adhered to the outer sides of the rollers 5542. The buffer layers are made of rubber and can provide buffering protection for the rollers 5542 and the surfaces of the workpieces. The outer ends of the rollers 5542 extend to the outside of the grooves 5541 and can contact the outside of the workpieces, thereby avoiding the influence of limit adjustment on the normal transportation of the workpieces. When the slider 553 is driven by the two groups of threaded rods 542 to move relative to each other, it can drive the two groups of pushing arms 551 and the limit plates 554 to reciprocate back and forth, thereby clamping the workpieces on the conveyor frame 1 and aligning them.

[0028] Here’s how it works:

[0029] The utility model is placed in a suitable position for use. Before use, force can be applied to the two groups of movable arms 42 respectively, and the spacing between the two groups of guide plates 45 can be adjusted through the movable arms 42, and fixed through the threaded rod 1 43, and the inclination angle of the guide plate 45 can be adjusted through the connecting frame 2 44;

[0030] When in use, the workpiece can be transported by the conveying frame 1 and the conveying roller 2. When the workpiece passes between the two groups of guide plates 45, it can be affected by the two groups of guide plates 45 and pre-processed to make it roughly straight. Then, when it moves between the two groups of limit plates 554, the motor 521 can be started. The rotation of the drive shaft of the motor 521 can drive the rotating rod 511 to rotate. The rotating rod 511 drives the two groups of threaded rods 542 to rotate, and the front and rear groups of limit plates 554 can be relative to each other through the slider 553 and the pushing arm 551. When the two groups of limit plates 554 are close to each other, they can be clamped on the outside of the workpiece by the roller 5542 to adjust and straighten it to avoid tilting of the workpiece.

[0031] The above description is only a preferred example of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A workpiece limit adjustment device for a numerically controlled machine tool, comprising a conveying frame (1) capable of conveying workpieces, wherein the conveying frame (1) is provided with a plurality of groups of conveying rollers (2), and each of the four bottom ends of the conveying frame (1) is provided with a group of supporting columns (3) capable of providing support; Features: It also includes a pre-guiding mechanism (4) disposed at the front and rear middle ends of the conveying frame (1) and capable of pre-processing the workpiece, and a limiting mechanism (5) capable of adjusting the position of the workpiece is disposed at the left end of the pre-guiding mechanism (4); The pre-guiding mechanism (4) comprises a connecting frame (41), a movable arm (42), a threaded rod (43), a connecting frame (44) and a guide plate (45). A group of connecting frames (41) are provided at the front and rear middle ends of the conveying frame (1). The top ends of the two groups of connecting frames (41) are provided with a group of movable arms (42), and the top surfaces are connected with a group of threaded rods (43). The movable arms (42) penetrate the top outer ends of the connecting frames (41). The threaded rods (43) penetrate the top ends of the connecting frames (41) and contact the top surfaces of the movable arms (42). The opposite ends of the two groups of movable arms (42) are hinged with a group of connecting frames (44). The opposite ends of the two groups of connecting frames (44) are connected with a group of guide plates (45) through connecting shafts (441). The guide plates (45) are provided with a group of connecting blocks (451) that can be connected to the connecting shafts (441) on one side close to the connecting frame (44).

2. A workpiece limit adjustment device for a CNC machine tool according to claim 1, characterized in that: The limiting mechanism (5) comprises a bottom cabin (51), a motor cabin (52), a transmission cabin (53), a reciprocating cabin (54) and an adjusting mechanism (55); a bottom cabin (51) is provided at a position near the left end of the connecting frame (41) on the bottom surface of the conveying frame (1); a group of rotating rods (511) are provided in the bottom cabin (51); a motor cabin (52) is provided at the middle end of the left side of the bottom cabin (51); a group of motors (521) are provided in the motor cabin (52); the outer side of the driving shaft of the motor (521) is connected to the connecting frame (41) through a group of transmission belts. The middle end of the rotating rod (511) is connected, and the front and rear ends of the bottom cabin (51) are both connected to a group of transmission cabins (53), and the opposite surfaces of the two groups of transmission cabins (53) are in contact with the front and rear ends of the conveying frame (1), and a group of reciprocating cabins (54) are provided at the top ends of the sides away from each other, and the bottom ends of the reciprocating cabins (54) are connected to the outer bottom ends of the transmission cabins (53) through a group of supporting arms (541), and a group of threaded rods (542) are provided inside the reciprocating cabins (54), and a group of adjustment mechanisms (55) are connected through the threaded rods (542).

3. A workpiece limit adjustment device for a CNC machine tool according to claim 2, characterized in that: The components of the two groups of adjustment mechanisms (55) are the same. The adjustment mechanisms (55) include a pushing arm (551), a connecting arm (552), a slider (553) and a limiting plate (554). The pushing arm (551) is connected to a connecting arm (552) at one end away from the conveying frame (1). The bottom end of the connecting arm (552) extends through the reciprocating cabin (54) and is connected to the second threaded rod (542) through a slider (553). The middle end of the slider (553) is provided with a threaded hole corresponding to the second threaded rod (542). The other end of the connecting arm (552) is connected to a limiting plate (554). The middle ends of the opposing surfaces of the two groups of limiting plates (554) are provided with a group of grooves (5541). A plurality of rollers (5542) are arranged at equal intervals in the grooves (5541).

4. A workpiece limit adjustment device for a CNC machine tool according to claim 3, characterized in that: A group of buffer layers are provided on the outer sides of the rollers (5542), and the outer ends of the rollers (5542) extend to the outside of the grooves (5541).

5. The workpiece limit adjustment device for a CNC machine tool according to claim 2, characterized in that: The front and rear ends of the rotating rod (511) respectively extend through the bottom ends of the two transmission chambers (53), and the opposite ends of the two threaded rods (542) extend through the top ends of the two transmission chambers (53) and are connected to the front and rear ends of the rotating rod (511) through a transmission belt (2).

6. The workpiece limit adjustment device for a CNC machine tool according to claim 5, characterized in that: The thread directions of the two groups of threaded rods 2 (542) are opposite.

7. The workpiece limit adjustment device for a CNC machine tool according to claim 1, characterized in that: A torsion spring is provided at the connection between the connecting shaft (441) and the connecting block (451).

8. The workpiece limit adjustment device for a CNC machine tool according to claim 1, characterized in that: The connecting frame 1 (41) and the connecting frame 2 (44) are both L-shaped.

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