CN218639210U - A fully automatic CNC tap thread grinding machine - Google Patents

Abstract

The utility model belongs to the technical field of mechanical processing, and relates to a fully automatic numerical control tap thread grinding machine, comprising a grinding machine base, the front side of the grinding machine base is provided with a first longitudinal slide rail moving slide table, and the first longitudinal slide rail moves A workpiece fixture assembly is installed on the sliding table, and a horizontal sliding table base is provided on the rear side of the grinding machine base, and the horizontal sliding table base is inclined downward from back to front. A horizontal slide rail is provided, and a laterally moving slide table is slid on the horizontal slide rail, and a grinding spindle base is provided on one side of the laterally moving slide table, and a first grinding spindle base is provided on the front side of the grinding spindle base. The grinding spindle assembly, the other side of the laterally moving slide table is provided with a second longitudinal slide rail, and the second grinding spindle assembly is slid on the second longitudinal slide rail. The fully automatic numerical control tap thread grinding machine provided by the utility model has the advantages of simple structure, compact layout, small occupied space, high processing precision and high efficiency.

Description

A fully automatic CNC tap thread grinding machine

technical field

The utility model belongs to the technical field of mechanical processing and relates to a full-automatic numerical control tap thread grinding machine.

Background technique

With the rapid development of CNC machine tools, the requirements for thread tools are getting higher and higher. As the main tool for thread hole processing, the tap occupies a high proportion in thread processing. The geometric accuracy of the tap is directly reflected in the processed workpiece. Therefore, the requirements for machine tools for processing tap threads are extremely high. Taps are industrial consumables with a large amount of use, and there are also high requirements for the processing efficiency of machine tools. The existing tap processing needs to go through multiple processes, and each process generally uses a machine tool for processing, which not only affects the processing efficiency, but also affects the processing accuracy.

Utility model content

The utility model aims at the deficiencies of the prior art, and provides a fully automatic numerical control tap thread grinding machine, which has the advantages of simple structure, compact layout, small occupied space, high processing precision and high efficiency.

In order to solve the problems of the technologies described above, the purpose of this utility model is achieved through the following technical solutions:

A fully automatic numerical control tap thread grinding machine, comprising a grinding machine base, a first longitudinal sliding rail moving slide table is arranged on the front side of the grinding machine base, and a workpiece fixture assembly is slidably arranged on the first longitudinal sliding rail moving sliding table, The rear side of the grinding machine base is provided with a transverse slide base, and the transverse slide base is inclined downward from the back to the front. The transverse slide base is provided with a transverse slide rail, and the transverse slide rail The upper slide is provided with a laterally moving slide table, one side of the laterally moving slide table is provided with a grinding spindle base, and the front side of the grinding spindle base is provided with a first grinding spindle assembly, and the laterally moving slide table The other side is provided with a second longitudinal slide rail, and a second grinding spindle assembly is slid on the second longitudinal slide rail.

In the above-mentioned fully automatic CNC tap thread grinding machine, the workpiece fixture assembly, the laterally moving slide table, and the second grinding spindle assembly are all driven by a motor and driven by a screw.

In the above-mentioned fully automatic CNC tap thread grinding machine, the workpiece fixture assembly includes a fixture table, one side of the fixture table is provided with a rotating headstock, and the other side is adjustable and provided with a tailstock. The rotating headstock is provided with an indexing fixture and the top of the headstock, and the tailstock is provided with the top of the tailstock. Further, the tailstock is slidably arranged on the slide rail and locked by a locking member, and the distance between the rotating headstock and the tailstock can be changed by adjusting the tailstock.

In the above-mentioned fully automatic CNC tap thread grinding machine, the cooling nozzle telescopic cylinder is arranged on the fixture table, the piston rod of the cooling nozzle telescopic cylinder is distributed along the longitudinal direction and connected with the cooling nozzle, and the end of the cooling nozzle A groove matching the workpiece is provided on the top, and the water outlet hole of the cooling nozzle is set in the groove. When working, the groove of the cooling nozzle half-wraps the workpiece.

In the above-mentioned fully automatic CNC tap thread grinding machine, the first grinding spindle assembly includes a first grinding spindle and a first grinding wheel installed on the first grinding spindle, and the second grinding spindle The assembly includes a second grinding spindle, a second grinding wheel, and a transmission assembly that drives the second grinding spindle and the second grinding wheel, and the first grinding spindle, the first grinding wheel, and the second grinding wheel The axis of the second grinding spindle is arranged along the transverse direction, and the axis of the second grinding spindle is arranged along the longitudinal direction. Preferably, the transmission assembly is a gear set.

In the above-mentioned fully automatic CNC tap thread grinding machine, an adjustment seat is provided on one side of the grinding spindle base, and an arc surface that cooperates with each other and rotates relatively is provided between the adjustment seat and the grinding spindle base. , the first grinding spindle assembly is fixedly connected with the adjustment seat and rotates with the adjustment seat. The adjusting seat can be manually adjusted by using an adjusting wheel, or can be automatically adjusted by using a motor or a rotary cylinder.

In the above-mentioned fully automatic CNC tap thread grinding machine, the first grinding wheel is equipped with a first dressing wheel assembly, the second grinding wheel is equipped with a second dressing wheel assembly, and the first dressing wheel assembly It is arranged on the base of the grinding spindle, and the second dressing wheel assembly is arranged on the base of the grinding machine.

In the above-mentioned fully automatic CNC tap thread grinding machine, a truss is set across the base of the grinding machine, a four-axis manipulator is slid on the truss, and a material tray is set on one side of the base of the grinding machine. Further, the truss includes horizontal guide rails, longitudinal guide rails and vertical guide rails, the four-axis manipulator moves in multiple directions through the guide rails, and there are two feeding trays, namely an upper feeding tray and a lower feeding tray.

In the above-mentioned fully automatic CNC tap thread grinding machine, preferably, both the first grinding spindle and the second grinding spindle are electric spindles.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model provides a fully automatic numerical control tap thread grinding machine, which can process the taps in multiple processes, process the tap threads through the first grinding spindle assembly, and process the tap end face, chamfer or oil groove through the second grinding spindle assembly At the same time, the utility model also optimizes the layout of the machine tool to make the structure more compact and occupy less space. Through the processing of multiple processes by the same machine tool, the processing efficiency can be improved, and the processing accuracy can also be improved.

Description of drawings

Fig. 1 is a perspective view of the utility model;

Figure 2 is a perspective view of the utility model after the truss is removed;

Reference signs: 1, grinding machine base; 11, first longitudinal moving slide table; 2, workpiece fixture assembly; 21, fixture table; 22, rotating headstock; 23, tailstock; 24, indexing fixture; 25, head Frame top; 26. Tailstock top; 27. Cooling nozzle telescopic cylinder; 28. Cooling nozzle; 3. Transverse slide base; 31. Transverse slide rail; 34. The second longitudinal slide rail; 35. Adjusting seat; 4. The first grinding spindle assembly; 41. The first grinding spindle; 42. The first grinding wheel; 5. The second grinding spindle assembly; 51. The first grinding spindle assembly Second grinding spindle; 52, second grinding wheel; 53, transmission assembly; 61, truss; 62, four-axis manipulator; 63, material tray.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings with specific embodiments, referring to Fig. 1-2:

A fully automatic numerical control tap thread grinding machine, comprising a grinding machine base 1, the front side of the grinding machine base 1 is provided with a first longitudinal slide rail moving slide table 11, and the first longitudinal slide rail moving slide table 11 is slidably provided with The workpiece fixture assembly 2, the rear side of the grinding machine base 1 is provided with a transverse slide base 3, and the transverse slide base 3 is inclined downward from back to front, and the transverse slide base 3 is provided with Transverse slide rail 31, on which lateral slide rail 31 is slid to be provided with lateral movement slide table 32, one side of described lateral movement slide table 32 is provided with grinding main shaft base 33, and the front side of grinding main shaft base 33 is provided with There is a first grinding spindle assembly 4 , and a second longitudinal slide rail 34 is provided on the other side of the laterally moving slide table 32 , and a second grinding spindle assembly 5 is slid on the second longitudinal slide rail 34 .

When working, the workpiece to be processed is clamped by the workpiece clamp assembly 2, and then the workpiece clamp assembly 2 slides along the first longitudinal slide rail moving slide table 11, and the laterally moving slide table 32 slides along the transverse slide rail 31 until the workpiece and the second slide rail A grinding spindle assembly 4 arrives at the first grinding station, cooperates with the feed, the first grinding spindle assembly 4 completes the thread processing of the workpiece, and then the workpiece holder assembly 2 slides along the first longitudinal slide rail moving slide table 11, The laterally moving slide table 32 slides along the horizontal slide rail 31, and the second grinding spindle assembly 5 slides downward along the second longitudinal slide rail 34 until the workpiece and the second grinding spindle assembly 5 reach the second grinding station. Cooperating with the feed, the second grinding spindle assembly 5 completes the machining of the end face, chamfer or oil groove of the workpiece.

The specific structure of the workpiece fixture assembly 2 in this embodiment is: the workpiece fixture assembly 2 includes a fixture table 21, one side of the fixture table 21 is provided with a rotating head frame 22, and the other side is adjustable and provided with a tail Frame 23, the rotating head frame 22 is provided with an indexing fixture 24 and a head frame point 25, and the tail frame 23 is provided with a tail frame point 26. Further, the tailstock 23 is slid on the slide rail and locked by a locking member, and the distance between the rotating headstock 22 and the tailstock 23 can be changed by adjusting the tailstock 23 . During work, the top of the headstock 25 and the top of the tailstock 26 press against the workpiece, and the indexing fixture 24 drives the workpiece to rotate.

In order to reduce the high temperature generated during grinding, this embodiment is also equipped with a water cooling structure: the fixture table 21 is provided with a cooling nozzle telescopic cylinder 27, and the piston rod of the cooling nozzle telescopic cylinder 27 is distributed along the longitudinal direction and connected with Cooling nozzle 28, the end of the cooling nozzle 28 is provided with a groove matching the workpiece, the water outlet hole of the cooling nozzle 28 is arranged in the groove, during operation, the cooling nozzle telescopic cylinder 27 drives the cooling nozzle 28 to the direction of the workpiece Move, the groove of cooling spray head 28 carries out semi-wrapping to workpiece and sprays on grinding position, thereby obtains better cooling effect.

The above-mentioned first grinding spindle assembly 4 includes a first grinding spindle 41 and a first grinding wheel 42 installed on the first grinding spindle 41. The first grinding spindle 41 is preferably an electric spindle, and the first grinding spindle is first The grinding spindle 41 drives the first grinding wheel 42 to rotate for grinding operations; the second grinding spindle assembly 5 includes a second grinding spindle 51, a second grinding wheel 52 and a transmission connection between the second grinding spindle 51 and The transmission assembly 53 of the second grinding wheel 52; the second grinding spindle 51 is preferably an electric spindle, and the second grinding spindle 51 drives the first grinding wheel 42 to rotate after being driven by the transmission assembly 53 to carry out the grinding operation. ; In this embodiment, the axes of the first grinding spindle 41 , the first grinding wheel 42 and the second grinding wheel 52 are arranged along the transverse direction, and the axes of the second grinding spindle 51 are arranged along the longitudinal direction. Preferably, the transmission assembly 53 is a gear set, and the gear set converts the longitudinal rotation of the second grinding spindle 51 into the lateral rotation of the second grinding wheel 52 .

This embodiment also provides an angle adjustment device for the first grinding spindle assembly 4, by changing the inclination angle of the first grinding spindle assembly 4, different helix angles can be processed: the grinding spindle base 33 One side is provided with an adjustment seat 35, and an arc surface that cooperates with each other and rotates relative to each other is provided between the adjustment seat 35 and the grinding spindle base 33. The first grinding spindle assembly 4 is fixedly connected with the adjustment seat 35 and Adjusting seat 35 rotates. The adjusting seat 35 can be manually adjusted using an adjusting wheel, or can be automatically adjusted using a motor or a rotary cylinder.

In order to dress the grinding wheel if necessary, the first grinding wheel 42 is equipped with a first dressing wheel assembly and the second grinding wheel 52 is equipped with a second dressing wheel assembly. The first dressing wheel assembly is arranged on the grinding spindle base 33 . During dressing, the first dressing wheel assembly enters the dressing station of the first grinding wheel 42 through horizontal and vertical movements for dressing. The second dressing wheel assembly is arranged on the grinding machine base 1. During dressing, the second grinding spindle assembly 5 moves down along the second longitudinal slide rail 34 to the dressing station of the second grinding wheel 52 for dressing.

In order to realize the function of automatic loading and unloading, a truss 61 is straddled on the above-mentioned grinder base 1 , a four-axis manipulator 62 is arranged on a sliding platform on the truss 61 , and a material tray 63 is arranged on one side of the grinder base 1 . Further, the truss 61 includes a transverse guide rail, a longitudinal guide rail and a vertical guide rail, the four-axis manipulator 62 moves in multiple directions through the guide rails, and the two feeding trays 63 are respectively an upper feeding tray and an unloading tray .

The foregoing embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of protection of the present utility model. Therefore: all equivalent changes made according to the structure, shape, and principle of the present utility model should be covered by this utility model. within the scope of protection of utility models.

Claims (7)

1. A full-automatic numerical control tap thread grinding machine, comprising a grinding machine base (1), is characterized in that, the front side of the grinding machine base (1) is provided with a first longitudinally moving slide table (11), and the first longitudinally moving The sliding table (11) is provided with a workpiece fixture assembly (2), and the rear side of the grinding machine base (1) is provided with a horizontal sliding table base (3), and the horizontal sliding table base (3) is formed from the rear Tilting downwards to the front, the transverse slide base (3) is provided with a transverse slide rail (31), and the transverse slide rail (31) is slid to be provided with a transversely moving slide table (32). One side of the mobile slide (32) is provided with a grinding spindle base (33), and the front side of the grinding spindle base (33) is provided with a first grinding spindle assembly (4), and the laterally moving slide ( The other side of 32) is provided with a second longitudinal slide rail (34), and a second grinding spindle assembly (5) is slid on the second longitudinal slide rail (34). 2. A kind of fully automatic numerically controlled tap thread grinding machine according to claim 1, characterized in that, the workpiece fixture assembly (2) comprises a fixture table (21), and one side of the fixture table (21) is arranged There is a rotating headstock (22), and the other side is adjustable to be provided with a tailstock (23). The rotating headstock (22) is provided with an indexing fixture (24) and a headstock top (25). A tailstock top (26) is provided on the frame (23). 3. A fully automatic numerically controlled tap thread grinding machine according to claim 2, characterized in that, the fixture workbench (21) is provided with a cooling nozzle telescopic cylinder (27), and the cooling nozzle telescopic cylinder (27) The piston rod is longitudinally distributed and connected with a cooling nozzle (28), the end of the cooling nozzle (28) is provided with a groove matching the workpiece, and the water outlet hole of the cooling nozzle (28) is arranged in the groove. 4. A kind of fully automatic numerical control tap thread grinding machine according to claim 1, characterized in that, the first grinding spindle assembly (4) comprises a first grinding spindle (41) and is installed on the first grinding spindle (41) on the first grinding wheel (42), the second grinding spindle assembly (5) includes the second grinding spindle (51), the second grinding wheel (52) and the transmission connection second grinding wheel The transmission assembly (53) of the main shaft (51) and the second grinding wheel (52), the axes of the first grinding main shaft (41), the first grinding wheel (42) and the second grinding wheel (52) Arranged transversely, the axis of the second grinding spindle (51) is arranged longitudinally. 5. A fully automatic numerical control tap thread grinding machine according to claim 1, characterized in that, one side of the grinding spindle base (33) is provided with an adjustment seat (35), and the adjustment seat (35) An arc surface cooperating with and rotating relative to the grinding spindle base (33) is provided, and the first grinding spindle assembly (4) is fixedly connected with the adjusting seat (35) and rotates with the adjusting seat (35). 6. A kind of fully automatic numerical control tap thread grinding machine according to claim 1, characterized in that, a truss (61) is arranged on the base of the grinding machine (1), and a sliding table on the truss (61) is provided with four A shaft manipulator (62), a material tray (63) is arranged on one side of the grinder base (1). 7. A fully automatic numerical control tap thread grinding machine according to claim 1, characterized in that, both the first grinding spindle (41) and the second grinding spindle (51) are electric spindles.

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