CN214490141U

CN214490141U - Machine tool for grinding central hole

Info

Publication number: CN214490141U
Application number: CN202120726291.8U
Authority: CN
Inventors: 沈新芳; 沈志国; 黄建慧; 李纪国; 王常宝; 张术宝; 王效忠
Original assignee: Weifang Tongda Gearbox Co ltd
Current assignee: Weifang Tongda Gearbox Co ltd
Priority date: 2021-04-10
Filing date: 2021-04-10
Publication date: 2021-10-26
Anticipated expiration: 2031-04-10

Abstract

The utility model discloses a grind centre bore lathe, the fixed box seat that is equipped with in top of lathe bed, the fixed reducing gear box that is equipped with in top of fixed box seat, one side of fixed reducing gear box is equipped with the motor, the opposite side of fixed reducing gear box is equipped with the locating piece, the fixed guide rail that is equipped with in top of lathe bed, the fixed slide that is equipped with in top of lathe bed, the sliding surface of slide is connected with the backup pad, the positive sliding surface of backup pad is connected with the work piece support, the cylinder activity groove has been seted up at the top of lathe bed, the inside sliding connection in cylinder activity groove has the cylinder, the spacing groove has been seted up to the inside in cylinder activity groove, the fixed movable block that is equipped with in bottom of cylinder, the inside threaded connection of movable block has clamping screw. Through the design, the center holes at two ends of the machined shaft part are simultaneously ground, the hole grinding effect is good, the production efficiency is high, the labor intensity of workers is greatly reduced, and the problem that the shaft part is difficult to clamp is solved.

Description

Machine tool for grinding central hole

Technical Field

The utility model belongs to the technical field of grind central hole lathe equipment, concretely relates to grind central hole lathe.

Background

In the machining process of the shaft tooth part, the central hole is used for positioning in the machining process and the inspection process, is a design reference, a process reference and a measurement reference of the mechanical part, particularly the shaft tooth part, and the machining precision and the measurement precision of the shaft tooth part are seriously influenced by the quality of the central hole in terms of the machining precision and the measurement precision of the shaft tooth part, so that the central hole is usually ground and scraped before finish machining in order to improve the machining precision of the shaft tooth part.

The existing center hole machine tool always uses a common lathe tailstock to install a hard alloy tip grinding hole, needs manual turning to grind the center hole at the other end, is low in efficiency, is particularly suitable for heavy shaft machining, is high in labor intensity and difficult to clamp, and reduces production efficiency.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art not enough, the utility model provides a grind centre bore lathe has solved and has ground centre bore lathe man-hour, and intensity of labour is high, difficult clamping, problem that production efficiency is low.

In order to solve the technical problem, the utility model provides a following technical scheme: a center hole grinding machine tool comprises a tool body, wherein a fixed box body seat is fixedly arranged at the top of the tool body, a fixed reduction box is fixedly arranged at the top of the fixed box body seat, a motor is arranged on one side of the fixed reduction box, a grinding head is arranged on the other side of the fixed reduction box, a guide rail is fixedly arranged at the top of the tool body, a sliding plate is fixedly arranged at the top of the tool body, a supporting plate is connected to the surface of the sliding plate in a sliding manner, a workpiece support is connected to the front surface of the supporting plate in a sliding manner, a cylinder moving groove is formed in the top of the tool body, a cylinder is connected to the inside of the cylinder moving groove in a sliding manner, a limiting groove is formed in the inside of the cylinder moving groove, a moving block is fixedly arranged at the bottom of the cylinder, a fixed screw is connected to the inner thread of the moving block, a hand wheel is fixedly arranged at the bottom end of the fixed screw, and a positioning block is fixedly arranged on the outer surface of the fixed screw, the top of the lathe bed is fixedly provided with a fixing frame, one side of the fixing frame is rotatably connected with a reduction gearbox connecting rod, the outer surface of the reduction gearbox connecting rod is in threaded connection with a threaded sleeve, one end of the reduction gearbox connecting rod is fixedly provided with a rotating block, and the top of the threaded sleeve is fixedly provided with a movable reduction gearbox.

As an optimal technical scheme of the utility model, the top of locating piece is provided with the packing ring, and the packing ring is made for rubber materials.

As an optimal technical scheme of the utility model, the fixed multiunit footpost that is equipped with in bottom of lathe bed, the fixed slipmat that is equipped with in bottom of footpost.

As an optimized technical scheme of the utility model, one side of removing the reducing gear box is equipped with the motor, the opposite side of removing the reducing gear box is equipped with and grinds top.

As an optimized technical scheme of the utility model, the surface cover of hand wheel is equipped with the antiskid cover, and the surface of antiskid cover is seted up there is the stripe.

As a preferred technical scheme of the utility model, the guide rail is sliding connection with the thread bush, and the bottom width of thread bush and the inside width looks adaptation of guide rail.

As an optimal technical scheme of the utility model, clamping screw's cross section width and the inside width looks adaptation of spacing groove, the cross section width of locating piece is greater than the inside width of spacing groove.

As an optimal technical scheme of the utility model, removal gear box top be provided with the second signal lamp, the bottom of lathe bed is provided with foot switch, the fixed positioner that is equipped with in top of fixed box seat, the fixed electrical control box that is equipped with in one side of lathe bed, electrical control box's positive surface is provided with always stops button, hand switch, time relay, first signal lamp.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. through the design, the center holes at two ends of the shaft part are machined simultaneously, the hole grinding effect is good, the production efficiency is high, the labor intensity of workers is greatly reduced, and the problem that the shaft part is difficult to clamp is solved;

2. by adopting the slide plate design, the length and the diameter of the workpiece can be adjusted, the operation is simple, the use is convenient, the production efficiency is improved, the labor intensity is reduced, and the hole grinding effect is good.

Drawings

Fig. 1 is a schematic view of the structure of the present invention in a partial cross-section elevation;

fig. 2 is an enlarged view of the structure at a in fig. 1 according to the present invention;

fig. 3 is an enlarged view of the structure at B of fig. 1 according to the present invention;

fig. 4 is a schematic top view of fig. 1 according to the present invention.

Wherein: 1. a bed body; 2. a cylinder movable groove; 3. a workpiece holder; 4. a limiting groove; 5. a guide rail; 6. fixing a box body seat; 7. fixing the reduction gearbox; 8. a support plate; 9. a slide plate; 10. moving the reduction gearbox; 11. a fixed mount; 12. rotating the block; 13. a connecting rod of the reduction gearbox; 14. a threaded sleeve; 15. fixing the screw rod; 16. a hand wheel; 17. positioning blocks; 18. grinding a tip; 19. a cylinder; 20. a motor; 21. a movable block; 22. bed legs; 23. an electrical appliance control box; 24. a master stop button; 25. a manual switch; 26. a time relay; 27. a first signal lamp; 28. a positioning device; 29. a foot switch; 30. and a second signal lamp.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, the center hole grinding machine tool comprises a machine body 1, a fixed box seat 6 is fixedly arranged at the top of the machine body 1, a fixed reduction gearbox 7 is fixedly arranged at the top of the fixed box seat 6, a motor 20 is arranged at one side of the fixed reduction gearbox 7, a grinding tip 18 is arranged at the other side of the fixed reduction gearbox 7, a guide rail 5 is fixedly arranged at the top of the machine body 1, a sliding plate 9 is fixedly arranged at the top of the machine body 1, a supporting plate 8 is slidably connected to the surface of the sliding plate 9, a workpiece support 3 is slidably connected to the front surface of the supporting plate 8, a cylinder moving groove 2 is arranged at the top of the machine body 1, a cylinder 19 is slidably connected inside the cylinder moving groove 2, a limiting groove 4 is arranged inside the cylinder moving groove 2, a moving block 21 is fixedly arranged at the bottom of the cylinder 19, a fixed screw 15 is connected to the inner thread of the moving block 21, a hand wheel 16 is fixedly arranged at the bottom end of the fixed screw 15, a positioning block 17 is fixedly arranged on the outer surface of the fixed screw 15, a fixed frame 11 is fixedly arranged at the top of the lathe bed 1, one side of the fixed frame 11 is rotatably connected with a reduction gearbox connecting rod 13, the outer surface of the reduction gearbox connecting rod 13 is in threaded connection with a threaded sleeve 14, one end of the reduction gearbox connecting rod 13 is fixedly provided with a rotating block 12, and the top of the threaded sleeve 14 is fixedly provided with a movable reduction gearbox 10;

when a workpiece is ground, the workpiece is firstly placed on a workpiece support 3, then the workpiece support 3 and a support plate 8 slide to conveniently adjust the position height of the workpiece, then the support plate 8 and a sliding plate 9 slide to conveniently adjust the length of the workpiece, after the workpiece is adjusted to a position corresponding to a grinding tip 18, the workpiece support 3 and the support plate 8 are fixed through a fixing bolt, then a rotating block 12 rotates to drive a reduction gearbox connecting rod 13 to rotate, when the reduction gearbox connecting rod 13 rotates, a thread sleeve 14 is driven to horizontally move, when the thread sleeve 14 moves, the reduction gearbox 10 is driven to move, so that the grinding tip 18 punches a central hole, when the hand wheel 16 rotates, the hand wheel 16 drives a fixing screw rod 15 to rotate upwards, when the fixing screw rod 15 moves upwards, the positioning block 17 is driven to fix a lathe bed 1, the grinding center 18 and the cylinder 19 are fixed, when the cylinder 19 is locked, the machined part is pneumatically clamped through the cylinder 19, holes are ground through the grinding centers 18 at the two ends of the fixed reduction box 7 and the movable reduction box 10 at the same time, the grinding centers 18 are loosened after the grinding is finished, the workpiece is taken down, and then the holes are ground at the two ends of the machined part at the same time.

In other embodiments, a gasket is arranged on the top of the positioning block 17, and the gasket is made of a rubber material; through setting up the packing ring to improve the fixed effect of locating piece 17 to the fuselage 1, improved the fixed effect to cylinder 19 then.

In other embodiments, a plurality of groups of bed legs 22 are fixedly arranged at the bottom of the bed body 1, and anti-skid pads are fixedly arranged at the bottoms of the bed legs 22; through setting up the slipmat to improve the whole stability of placing of lathe.

In other embodiments, one side of the mobile reduction gearbox 10 is provided with a motor 20, and the other side of the mobile reduction gearbox 10 is provided with a grinding tip 18;

in other embodiments, the outer surface of the hand wheel 16 is sleeved with an anti-slip sleeve, and the outer surface of the anti-slip sleeve is provided with stripes; by arranging the anti-slip sleeve, the anti-slip effect is conveniently achieved when the hand wheel 16 rotates, and therefore the stability of the hand wheel 16 in rotation is improved.

In other embodiments, the guide rail 5 is slidably connected with the threaded sleeve 14, and the width of the bottom of the threaded sleeve 14 is matched with the inner width of the guide rail 5; through the sliding of the threaded sleeve 14 and the guide rail 5, when the reduction gearbox extension rod 13 rotates, the threaded sleeve 14 is limited, and therefore the horizontal linear motion of the threaded sleeve 14 is achieved.

In other embodiments, the cross-sectional width of the fixing screw 15 is matched with the internal width of the limiting groove 4, and the cross-sectional width of the positioning block 17 is greater than the internal width of the limiting groove 4; so as to push the fixing screw 15 to move the movable block 21 and the air cylinder 19, and to rotate the fixing screw 15 so that the positioning block 17 fixes the bed body 1, thereby positioning and fixing the air cylinder 19.

In other embodiments, the top of the mobile reduction gearbox 10 is provided with a second signal lamp 30, the bottom of the bed 1 is provided with a foot switch 29, the top of the fixed box base 6 is fixedly provided with a positioning device 28, one side of the bed 1 is fixedly provided with an electric control box 23, and the front surface of the electric control box 23 is provided with a master stop button 24, a manual switch 25, a time relay 26 and a first signal lamp 27;

when a workpiece is machined, the manual switch 25 is firstly closed, the workpiece is installed, the positioning device 28 is fixed to enable the shaft not to rotate, the foot switch 29 is then stepped down, the first signal lamp 27 and the second signal lamp 30 are turned on to pneumatically clamp the workpiece, the two motors 20 are started simultaneously, the grinding centers 18 of the fixed reduction gearbox 7 and the movable reduction gearbox 10 rotate in opposite directions, the time is adjusted by the time relay 26 according to the technical requirements of the product for 5 seconds to 1 minute, the grinding of the central hole of the workpiece meets good technical requirements, after the grinding is finished, the motors 20 automatically stop rotating, the workpiece is taken down, the grinding of the workpiece is finished through cyclic clamping, if the main stop button 24 is pressed under special conditions, the grinding centers 18 are loosened, the first signal lamp 27 and the second signal lamp 30 are turned off, and the two grinding centers 18 stop rotating.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Center hole machine tool, including lathe bed (1), its characterized in that: the grinding machine is characterized in that a fixed box body seat (6) is fixedly arranged at the top of the machine body (1), a fixed reduction gearbox (7) is fixedly arranged at the top of the fixed box body seat (6), a motor (20) is arranged on one side of the fixed reduction gearbox (7), a grinding tip (18) is arranged on the other side of the fixed reduction gearbox (7), a guide rail (5) is fixedly arranged at the top of the machine body (1), a sliding plate (9) is fixedly arranged at the top of the machine body (1), a supporting plate (8) is connected to the surface of the sliding plate (9) in a sliding manner, a workpiece support (3) is connected to the front surface of the supporting plate (8) in a sliding manner, a cylinder movable groove (2) is formed in the top of the machine body (1), a cylinder (19) is connected to the inside of the cylinder movable groove (2) in a sliding manner, a limiting groove (4) is formed in the inside of the cylinder movable groove (2), and a movable block (21) is fixedly arranged at the bottom of the cylinder (19), the internal thread of movable block (21) is connected with clamping screw (15), the bottom mounting of clamping screw (15) is equipped with hand wheel (16), the external surface mounting of clamping screw (15) is equipped with locating piece (17), the fixed mount (11) that is equipped with in top of lathe bed (1), one side of mount (11) is rotated and is connected with the reducing gear box and connects pole (13), the external surface thread connection that the reducing gear box connects pole (13) has thread bush (14), the reducing gear box connects the fixed rotating block (12) that is equipped with of one end of pole (13), the fixed removal reducing gear box (10) that is equipped with in top of thread bush (14).

2. The center hole grinding machine according to claim 1, wherein: the top of the positioning block (17) is provided with a gasket, and the gasket is made of rubber materials.

3. The center hole grinding machine according to claim 1, wherein: the multifunctional bed is characterized in that a plurality of groups of bed legs (22) are fixedly arranged at the bottom of the bed body (1), and anti-slip pads are fixedly arranged at the bottoms of the bed legs (22).

4. The center hole grinding machine according to claim 1, wherein: one side of the mobile reduction gearbox (10) is provided with a motor (20), and the other side of the mobile reduction gearbox (10) is provided with a grinding tip (18).

5. The center hole grinding machine according to claim 1, wherein: the outer surface cover of hand wheel (16) is equipped with anti-skidding cover, and the surface of anti-skidding cover is seted up there is the stripe.

6. The center hole grinding machine according to claim 1, wherein: the guide rail (5) is in sliding connection with the threaded sleeve (14), and the width of the bottom of the threaded sleeve (14) is matched with the width of the interior of the guide rail (5).

7. The center hole grinding machine according to claim 1, wherein: the cross section width of the fixing screw rod (15) is matched with the inner width of the limiting groove (4), and the cross section width of the positioning block (17) is larger than the inner width of the limiting groove (4).

8. The center hole grinding machine according to claim 1, wherein: the top of the movable reduction gearbox (10) is provided with a second signal lamp (30), the bottom of the lathe bed (1) is provided with a foot switch (29), the top of the fixed box seat (6) is fixedly provided with a positioning device (28), one side of the lathe bed (1) is fixedly provided with an electric control box (23), and the front surface of the electric control box (23) is provided with a master stop button (24), a manual switch (25), a time relay (26) and a first signal lamp (27).