Bar material intermittent feeding equipment of precision automatic lathe

Abstract

The invention discloses intermittent bar material feeding equipment for a precision automatic lathe, and belongs to the technical field of precision automatic lathes. The equipment comprises a precision automatic lathe body and a feeding mechanism mounted on the side face of the precision automatic lathe body, the feeding mechanism comprises a shell cover mounted on the side face of the precision automatic lathe body through screws, and a V-shaped feeding track is fixed in the shell cover; one side of the feeding track is connected with a material guide plate fixed on the side surface of the shell cover, the material guide plate is obliquely arranged, the end, far away from the feeding track, of the material guide plate is provided with a material discharging conveying belt, one end of the material discharging conveying belt is flush with a feeding port of the precision automatic lathe body, and an intermittent feeding assembly is arranged above the feeding track; according to the equipment, intermittent automatic feeding can be achieved, meanwhile, the forward moving distance of a bar can be controlled, the length of a bar raw material entering the precision automatic lathe each time is controllable, machining is convenient, the machining precision is improved, and meanwhile the position of the poke rod can be changed according to the length of the bar raw material so that the equipment can be suitable for feeding and propelling of the bar raw materials with different lengths.

Description

Technical Field

[0001] The invention belongs to the technical field of Swiss-type lathes, and in particular relates to an intermittent feeding device for Swiss-type lathe rod materials. Background Art

[0002] Swiss-type CNC lathe, full name Swiss-type CNC lathe, can also be called headstock mobile CNC automatic lathe, economical turning and milling machine tool or longitudinal cutting lathe. It is a precision processing equipment that can complete turning, milling, drilling, boring, tapping, engraving and other composite processing at the same time. It is mainly used for batch processing of precision hardware and special-shaped non-standard shaft parts.

[0003] The raw materials generally used in machining shaft products of Swiss-type lathes are rod-shaped or wire-shaped. The raw material type is mostly rods. The materials are mainly divided into stainless steel, titanium alloy, copper, aluminum alloy, polytetrafluoroethylene, etc., and the tolerance grade requirement is IT7~IT9. The straightness of the bar is less than 0.35mm per meter. The higher the tolerance of the diameter and the accuracy of the straightness, the higher the processing stability. The shape of the raw material is conventionally cylindrical. Non-standard special-shaped materials can also be customized according to the requirements of the product drawings, such as square or hexagonal materials, hollow materials, etc.

[0004] The length of the bar stock of the Swiss-type lathe with a diameter of 3mm or more is concentrated between 2500 and 3200mm. The smaller the diameter, the shorter the bar stock. The length of the bar stock with a diameter of 1 to 3mm is concentrated between 1000 and 2000mm due to the limitation of straightness.

[0005] When processing shaft products, existing Swiss-type lathes generally adopt manual loading, that is, the operator holds the shaft product and places it on the chuck of the Swiss-type lathe. However, this working method is highly dangerous and inefficient, and cannot meet the needs of industrial high-speed production. Summary of the invention

[0006] The raw materials generally used for Swiss-type lathes are rod-shaped raw materials. Depending on the diameter of the raw materials, the required length is also different. According to the existing actual needs, the present invention provides an intermittent feeding device for Swiss-type lathe rod materials. The device can automatically feed the materials intermittently, and the distance the rods move forward can be controlled. The length of the rod raw materials entering the Swiss-type lathe each time can be controlled, which facilitates processing and improves processing accuracy. At the same time, a sliding support plate is arranged on the side of the shell cover to assist the raw materials placed on the feed channel to enter the feed port of the Swiss-type lathe spindle. At the same time, the toggle rod is replaceable, and the position of the toggle rod can be changed according to the length of the rod-shaped raw materials to be suitable for feeding and advancing rod-shaped raw materials of different lengths.

[0007] To achieve the above object, the present invention provides the following technical solution: a discontinuous feeding device for a Swiss-type lathe bar material, the discontinuous feeding device for a Swiss-type lathe bar material comprising:

[0008] A Swiss machine body and a feeding mechanism installed on the side of the Swiss machine body, the feeding mechanism includes a shell cover installed on the side of the Swiss machine body by screws, a feeding track is fixed inside the shell cover, the feeding track is V-shaped, one side of the feeding track is connected to a guide plate fixed on the side of the shell cover, the guide plate is inclined, a discharge conveyor belt is provided at the end of the guide plate away from the feeding track, one end of the discharge conveyor belt is flush with the feeding port of the Swiss machine body, and an intermittent feeding assembly is provided above the feeding track.

[0009] As a preferred solution of the present invention, brackets are rotatably connected at both ends of the unloading conveyor belt, the brackets are fixed on the shell cover away from the ends of the unloading conveyor belt, and a stepper motor for driving the unloading conveyor belt to rotate is fixed on the side of the bracket.

[0010] As a preferred solution of the present invention, baffles are fixed at both ends of the unloading conveyor belt, the baffles are consistent in shape with the unloading conveyor belt, a number of springs are fixed on the inner side of the baffle away from the end of the Swiss machine body, the springs are equidistantly arranged along the edge of the baffle, a movable plate is fixed at the end of the spring away from the baffle, and the movable plate slides on the unloading conveyor belt.

[0011] As a preferred solution of the present invention, the shell cover is provided with a through slot near the guide plate, an abutment rod is fixed on the inner wall of the through slot, and the abutment rod abuts against the side of the baffle away from the through slot end.

[0012] As a preferred solution of the present invention, the intermittent feeding assembly includes a sliding plate slidably connected to the side of the shell cover, the side of the shell cover is provided with a slide groove for the sliding plate to slide, the slide groove and the through groove are arranged opposite to each other, a sliding block is slidably connected inside the sliding plate, a support plate is fixed to the end of the sliding block away from the slide groove, a bottom plate is telescopically connected under the support plate, the bottom plate slides along the length direction of the shell cover, a first servo motor is screwed on the support plate, a rotating shaft is fixed to the output end of the first servo motor, the rotating shaft is rotatably connected to the inside of the sliding block, and extends to the inside of the shell cover along the side of the sliding block.

[0013] As a preferred solution of the present invention, a fixing plate is screwed to the rotating shaft located inside the shell, and a toggle rod is screwed to the side of the fixing plate.

[0014] As a preferred solution of the present invention, a sliding track is fixed on the shell cover, a screw rod is rotatably connected inside the sliding track, the screw rod is externally screwed to the base plate, one end of the screw rod extends along the side of the sliding track, and a second servo motor is fixed to the end of the screw rod extending out of the sliding track.

[0015] As a preferred solution of the present invention, the support plate is fixed with a fixed rod toward the base plate end, a movable rod is slidably connected inside the fixed rod, the movable rod is fixed to the base plate away from the fixed rod end, a cylinder is also screwed on the base plate, a piston rod is connected to the cylinder output end, and the piston rod is fixed to the bottom of the support plate away from the cylinder end.

[0016] As a preferred solution of the present invention, a tempered glass plate is embedded in the top of the shell cover.

[0017] The beneficial effects of the present invention are:

[0018] 1. The intermittent feeding equipment for rod materials of Swiss-type lathe is installed on the side of Swiss-type lathe. The intermittent feeding assembly for feeding rod materials is integrated inside, which is convenient for installation, separation of Swiss-type lathe and feeding mechanism, and convenient for transportation and assembly.

[0019] 2. The intermittent feeding component can feed materials intermittently and automatically. At the same time, the distance the bar moves forward can be controlled. The length of the bar raw material entering the Swiss-type lathe each time can be controlled, which facilitates processing and improves processing accuracy.

[0020] 3. A slidable support plate is provided on the side of the shell cover to assist the raw materials placed on the feed channel to enter the feed port of the Swiss-type lathe spindle. At the same time, the toggle rod is replaceable, and the position of the toggle rod can be changed according to the length of the rod-shaped raw material to adapt to the feeding and advancement of rod-shaped raw materials of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a discontinuous feeding device for Swiss-type lathe rod materials provided by the present invention;

[0022] Figure 2 The present invention provides Figure 1 Schematic side view of

[0023] Figure 3 The present invention provides Figure 1 Schematic diagram from another perspective;

[0024] Figure 4 The present invention provides Figure 1 The enlarged schematic diagram at A in the middle;

[0025] Figure 5 The present invention provides Figure 3 Enlarged schematic diagram of point B in the middle.

[0026] In the figure: 1. Swiss machine body; 2. Shell cover; 3. Feed track; 4. Guide plate; 5. Unloading conveyor belt; 6. Bracket; 7. Stepper motor; 8. Baffle; 9. Spring; 10. Movable plate; 11. Through slot; 12. Resistance rod; 13. Sliding plate; 14. Slide slot; 15. Sliding block; 16. Support plate; 17. Bottom plate; 18. First servo motor; 19. Rotating shaft; 20. Fixed plate; 21. Toggle rod; 22. Sliding track; 23. Screw; 24. Second servo motor; 25. Fixed rod; 26. Moving rod; 27. Piston rod; 28. Cylinder; 29. ​​Tempered glass plate. DETAILED DESCRIPTION

[0027] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0028] Please also refer to Figures 1 to 5 The following will describe in detail the discontinuous feeding equipment for Swiss-type machine rod materials according to an embodiment of the present invention in conjunction with the accompanying drawings.

[0029] like Figure 1 As shown, the intermittent feeding equipment for Swiss-made lathe rod materials includes a Swiss-made lathe body 1 and a feeding mechanism installed on the side of the Swiss-made lathe body 1, the feeding mechanism includes a shell cover 2 installed on the side of the Swiss-made lathe body 1 by screws, a feeding track 3 is fixed inside the shell cover 2, the feeding track 3 is V-shaped, one side of the feeding track 3 is connected to a guide plate 4 fixed on the side of the shell cover 2, the guide plate 4 is inclined, and a discharge conveyor belt 5 is provided at the end of the guide plate 4 away from the feeding track 3, one end of the discharge conveyor belt 5 is flush with the feeding port of the Swiss-made lathe body 1, and an intermittent feeding assembly is provided above the feeding track 3.

[0030] Among them, brackets 6 are rotatably connected at both ends of the unloading conveyor belt 5, and the ends of the brackets 6 away from the unloading conveyor belt 5 are fixed on the shell cover 2. A stepping motor 7 for driving the unloading conveyor belt 5 to rotate is fixed on the side of the bracket 6.

[0031] Baffles 8 are fixed at both ends of the unloading conveyor belt 5. The baffles 8 have the same shape as the unloading conveyor belt 5. A number of springs 9 are fixed to the inner side of the baffle 8 away from the end of the Swiss machine body 1. The springs 9 are equidistantly arranged along the edge of the baffle 8. A movable plate 10 is fixed to the end of the spring 9 away from the baffle 8. The movable plate 10 slides on the unloading conveyor belt 5, and there is elastic movement between the movable plate 10 and the baffle 8.

[0032] The shell cover 2 is provided with a through slot 11 near the guide plate 4 , and a resisting rod 12 is fixed on the inner wall of the through slot 11 . The end of the resisting rod 12 away from the through slot 11 resists the side surface of the baffle 8 .

[0033] The above-mentioned unloading conveyor belt 5 is used for placing the rod-shaped raw materials of the Swiss-type machining center. The raw materials are placed on the unloading conveyor belt 5, and the unloading conveyor belt 5 is rotated by the stepper motor 7, wherein the interval opening and closing time of the stepper motor 7 can be set to ensure that the unloading conveyor belt 5 rotates again after each rod is fed. A number of rod-shaped materials can be placed on the unloading conveyor belt 5. After placement, one end of the rod-shaped material abuts against the baffle 8, and the other end abuts against the movable plate 10, and then under the abutment of the spring 9, the raw materials placed on the unloading conveyor belt 5 can be clamped and stably transmitted toward the through slot 11;

[0034] When reaching the through slot 11, due to the setting of the resistance rod 12 at the through slot 11, it always resists against the side of the movable plate 10, so that the distance between the movable plate 10 and the baffle 8 at its resistance point is smaller. Therefore, when the rod is transported to the through slot 11, the distance between the movable plate 10 and the relative baffle 8 is large, so the rod can be released from the clamping state, and then pulley along the inclined guide plate 4 to the inside of the feeding track 3, waiting for the above-mentioned intermittent feeding assembly to feed the rod into the inside of the Swiss machine body 1.

[0035] Specifically, the intermittent feeding assembly includes a sliding plate 13 slidably connected to the side of the shell cover 2, and a slide groove 14 is provided on the side of the shell cover 2 for the sliding plate 13 to slide. The slide groove 14 is arranged opposite to the through groove 11. A sliding block 15 is slidably connected inside the sliding plate 13, and a support plate 16 is fixed to the end of the sliding block 15 away from the slide groove 14. A bottom plate 17 is telescopically connected below the support plate 16, and the bottom plate 17 slides along the length direction of the shell cover 2. A first servo motor 18 is screwed on the support plate 16, and a rotating shaft 19 is fixed to the output end of the first servo motor 18. The rotating shaft 19 is rotatably connected to the inside of the sliding block 15 and extends to the inside of the shell cover 2 along the side of the sliding block 15. The first servo motor 18 can drive the rotating shaft 19 to rotate.

[0036] Among them, the rotating shaft 19 is located at the internal position of the shell cover 2 and is screwed with a fixed plate 20, and a toggle rod 21 is screwed to the side of the fixed plate 20; a sliding track 22 is fixed on the shell cover 2, and a screw rod 23 is rotatably connected inside the sliding track 22, and the outer side of the screw rod 23 is screwed to the base plate 17, one end of the screw rod 23 extends along the side of the sliding track 22, and a second servo motor 24 is fixed to the end of the screw rod 23 extending out of the sliding track 22. When the rotating shaft 19 rotates, the rotating shaft 19 can drive the fixed plate 20 and the toggle rod 21 to rotate, and then with the rotation of the toggle rod 21, the toggle rod 21 can intermittently contact the end surface of the bar material, and as the toggle rod 21 continues to rotate, it can contact the bar material to move forward. When the bar moves forward, the overall toggle rod 21 and the first servo motor 18 can move forward to maintain intermittent contact between the toggle rod 21 and the bar material.

[0037] At the same time, a fixed rod 25 is fixed at the end of the support plate 16 facing the base plate 17, and a moving rod 26 is slidably connected inside the fixed rod 25. The moving rod 26 is fixed to the base plate 17 away from the fixed rod 25. A cylinder 28 is also screwed on the base plate 17. The output end of the cylinder 28 is connected to a piston rod 27, and the piston rod 27 is fixed to the bottom of the support plate 16 away from the cylinder 28. Therefore, the height of the support plate 16 can be changed, and the height of the first servo motor 18 and the rotating shaft 19 can be changed at the same time.

[0038] A tempered glass plate 29 is embedded on the top of the housing 2 .

[0039] The working principle of the present invention is as follows: during the specific operation, the bar material is placed above the discharge conveyor belt 5, and the discharge conveyor belt 5 starts to rotate through the drive of the stepper motor 7, and the bars are transmitted one by one to the position close to the through slot 11. After the bars are close to the through slot 11, under the interference of the interference rod 12, the movable plate 10 at the interference position corresponds to the spring 9 and is compressed to a deeper degree, so that the bars automatically roll along the guide plate 4 to the feeding track 3; in the preparation work before feeding, the initial position of the toggle rod 21 is adjusted according to the different lengths of the bars, and after the bars roll down to the feeding track 3, the toggle rod 21 in the initial state contacts the end face of the bars , and then with the opening of the first servo motor 18, the toggle rod 21 starts to rotate, pushing the rod along the feeding track 3 to the inside of the feeding port of the Swiss machine body 1, and with the continued rotation of the toggle rod 21, the toggle rod 21 no longer conflicts with the rod, and after the rotation stroke exceeds one circle, it conflicts with the rod again, forming intermittent pushing; during the pushing process, since the rod is constantly moving forward, the second servo motor 24 can drive the screw rod 23 to rotate after it is turned on. Since the screw rod 23 is threadedly connected to the bottom plate 17, when the screw rod 23 rotates, the bottom plate 17 moves along the sliding track 22 and follows the traction of the rod.

[0040] At the same time, the length of the toggle rod 21 can be changed according to the length of the rod required to enter each time the Swiss machine. The toggle rod 21 and the fixed plate 20, as well as the fixed plate 20 and the rotating shaft 19 can be disassembled. After replacing the toggle rod 21 of different lengths, the cylinder 28 can be opened to adjust the height of the support plate 16 to keep the bottom of the toggle rod 21 in contact with the feeding track 3. After the cylinder 28 is opened, the cylinder 28 drives the piston rod 27 to extend and retract, and the piston rod 27 drives the support plate 16 to move up and down, and at the same time, the moving rod 26 and the fixed rod 25 begin to slide relative to each other.

[0041] In order to facilitate observation of the material flow of the internal rods, a transparent tempered glass plate 29 is provided on the top of the shell cover 2 for viewing.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A discontinuous feeding device for Swiss-type lathe rod materials, characterized in that: The invention comprises a Swiss-type machine body (1) and a feeding mechanism installed on the side of the Swiss-type machine body (1), wherein the feeding mechanism comprises a shell cover (2) installed on the side of the Swiss-type machine body (1) by screws, a feeding track (3) is fixed inside the shell cover (2), the feeding track (3) is V-shaped, one side of the feeding track (3) is connected to a guide plate (4) fixed on the side of the shell cover (2), the guide plate (4) is inclined, a discharge conveyor belt (5) is provided at the end of the guide plate (4) away from the feeding track (3), one end of the discharge conveyor belt (5) is flush with the feeding port of the Swiss-type machine body (1), and an intermittent feeding component is provided above the feeding track (3).

2. The intermittent feeding equipment for Swiss-type lathe rod materials according to claim 1 is characterized in that: The two ends of the unloading conveyor belt (5) are rotatably connected with brackets (6), the bracket (6) is fixed on the shell cover (2) at the end away from the unloading conveyor belt (5), and a stepping motor (7) for driving the unloading conveyor belt (5) to rotate is fixed on the side of the bracket (6).

3. The intermittent feeding equipment for Swiss-type lathe rod materials according to claim 1 is characterized in that: Baffles (8) are fixed at both ends of the unloading conveyor belt (5), and the baffles (8) have the same shape as the unloading conveyor belt (5). A plurality of springs (9) are fixed on the inner side of the baffle (8) at the end away from the Swiss machine body (1), and the springs (9) are arranged at equal distances along the edge of the baffle (8). A movable plate (10) is fixed at the end of the spring (9) away from the baffle (8), and the movable plate (10) slides on the unloading conveyor belt (5).

4. The intermittent feeding equipment for Swiss-type lathe rod materials according to claim 3 is characterized in that: The shell cover (2) is provided with a through slot (11) near the guide plate (4), and a resisting rod (12) is fixed on the inner wall of the through slot (11). The end of the resisting rod (12) away from the through slot (11) resists the side surface of the baffle (8).

5. The intermittent feeding device for Swiss-type lathe rod materials according to claim 4 is characterized in that: The intermittent feeding assembly comprises a sliding plate (13) slidably connected to the side of the shell cover (2), the side of the shell cover (2) is provided with a slide groove (14) for the sliding plate (13) to slide, the slide groove (14) is arranged opposite to the through groove (11), a sliding block (15) is slidably connected inside the sliding plate (13), a support plate (16) is fixed to the end of the sliding block (15) away from the slide groove (14), a bottom plate (17) is telescopically connected below the support plate (16), and the bottom plate (17) slides along the length direction of the shell cover (2), a first servo motor (18) is screwed on the support plate (16), and a rotating shaft (19) is fixed to the output end of the first servo motor (18), and the rotating shaft (19) is rotatably connected to the inside of the sliding block (15) and extends into the shell cover (2) along the side of the sliding block (15).

6. The intermittent feeding device for Swiss-type lathe rod materials according to claim 5 is characterized in that: The rotating shaft (19) is screwed to a fixed disk (20) at a position inside the housing (2), and a toggle rod (21) is screwed to a side surface of the fixed disk (20).

7. The intermittent feeding device for Swiss-type lathe rod materials according to claim 5 is characterized in that: A sliding track (22) is fixed on the housing (2), a screw rod (23) is rotatably connected inside the sliding track (22), the screw rod (23) is externally screwed to the base plate (17), one end of the screw rod (23) extends out along the side of the sliding track (22), and a second servo motor (24) is fixed to the end of the screw rod (23) extending out of the sliding track (22).

8. The intermittent feeding equipment for Swiss-type lathe rod materials according to claim 5 is characterized in that: The support plate (16) is fixed with a fixed rod (25) at the end facing the bottom plate (17), and a moving rod (26) is slidably connected inside the fixed rod (25), and the end of the moving rod (26) away from the fixed rod (25) is fixed to the bottom plate (17), and a cylinder (28) is screwed on the bottom plate (17), and the output end of the cylinder (28) is connected with a piston rod (27), and the end of the piston rod (27) away from the cylinder (28) is fixed to the bottom of the support plate (16).

9. The intermittent feeding device for Swiss-type lathe rod materials according to claim 1 is characterized in that: A tempered glass plate (29) is embedded on the top of the shell cover (2).

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