CN2699406Y - Minisize multifunctional machine tool teaching aid - Google Patents

Abstract

The utility model discloses a minisize multifunctional machine tool teaching aid, particularly a turning, milling and drilling minisize multifunctional machine tool teaching aid. The utility model is composed of a bed head box, a cutter frame, a bed body, a longitudinal guide rail, a transverse guide rail, a lead screw, a bed head box guide rail, a limiting guide slide block, a connecting rod, a restoring spring, a spring sleeve, a screw rod, a screw rod sleeve, a push-stopping bearing, a nut, a bed head box connecting seat and a locking screw nail, wherein, the guide rail and the lead screw are respectively arranged on the bed body and the cutter frame, the bed head box guide rail is connected with the limiting guide slide block by the connecting rod and is arranged in the bed body, and the restoring spring, the spring sleeve, the screw rod, the screw rod sleeve, the push-stopping bearing, the nut and a locking disk are arranged in the bed head box guide rail. When the utility model is used and the bed head box guide rail is positioned in the bed body, a work piece is clamped by a clamping head of the bed head box, and a cutter is fixed on the cutter frame to do turning processing; when the bed head box guide rail is pulled out and is turned by 90 DEG to be perpendicular to the bed body, the cutter is clamped by the clamping head of the bed head box, and the work piece is fixed on the cutter frame by a clamp to do milling or drilling processing.

Description

A kind of multifunction miniature machine tool teaching aid

Technical field:

The utility model relates to a kind of multifunction miniature machine tool teaching aid, but the multifunction miniature machine tool teaching aid of especially turning, milling and drilling.

Background technology:

Existing engine lathe is mainly used in the processing rotary surface, and milling machine is mainly used in processing plane, groove, branch tooth part etc., and drilling machine can be to part boring, reaming, fraising spot facing and tapping etc.These three kinds of lathes equal separately function of performance in production practices generally all be independently, and volume is bigger, can't remove to the dais, classroom as teaching aid.Therefore, when the teacher lectures courses such as lathe principle of work and motion principle in teaching, for improving student's perceptual knowledge, then need lead the student to watch material object to the real training chamber, and contrast in kind the explanation, but because lathe for guaranteeing its precision, generally all can not be opened its inner structure to make the usefulness of teaching, what bring to teaching thus is both to have wasted valuable class hour number, can not realize teaching purpose intuitively again.

Summary of the invention:

The purpose of this utility model provides a kind of multifunction miniature machine tool teaching aid, and it has the function of lathe, milling machine and drilling machine, can remove to the dais, classroom as teaching aid, also can be used as the lathe of finding processing.

For achieving the above object, the utility model comprises: selective headstock, knife rest, lathe bed, vertical, cross slide way, screw mandrel, selective headstock is positioned at a side of lathe bed, bootable knife rest is housed respectively on lathe bed and knife rest to be done in length and breadth to the guide rail that moves, knife rest is connected on the longitudinal rail, screw mandrel is housed respectively in lathe bed and knife rest, rotary screw rod can make knife rest do on lathe bed in length and breadth to moving, it is characterized in that: also comprise the selective headstock guide rail, spacing guide runner, connecting rod, back-moving spring, spring housing, screw rod, the screw rod cover, thrust bearing, nut, selective headstock Connection Block and lock-screw, the selective headstock guide rail is connected with spacing guide runner by connecting rod, and be installed in the lathe bed, the selective headstock guide rail can be drawn out and roll over turn 90 degrees with lathe bed perpendicular, back-moving spring is contained in the spring housing, spring housing is installed in the end in the selective headstock guide rail, screw rod is inserted in the other end in the selective headstock guide rail, its head is equipped with locking plate, thrust bearing and be provided with convex shoulder, locking plate is positioned at the selective headstock guide rail outside, thrust bearing and convex shoulder are positioned at selective headstock guide rail inboard, screw flight partly is equipped with nut, pass the projection of selective headstock Connection Block, and kink is in the screw rod cover, screw rod cover skewer is gone into spring housing and is pressed on the back-moving spring, selective headstock is fixed on the selective headstock Connection Block, the left and right sides face of selective headstock guide rail and selective headstock Connection Block is provided with guide rail and has guide rail groove, lock-screw passes on the contract mouth that lathe bed can withstand on the selective headstock guide rail from lathe bed bottom, at selective headstock, the contact position of selective headstock guide rail and longitudinal rail is provided with recess and convex shoulder, work as brill, when milling is cut, the convex shoulder contract of longitudinal rail is gone in the recess of selective headstock guide rail, when turning, the convex shoulder contract of longitudinal rail is gone in the recess of selective headstock.In the use, when the selective headstock guide rail was positioned at lathe bed, the chuck of selective headstock was clamped workpiece, and cutter is fixed on can do turning processing on the knife rest; If pull out the selective headstock guide rail, and folding turn 90 degrees and makes it vertical with lathe bed, and then the chuck of selective headstock is clamped cutter, and workpiece is fixed on the knife rest by anchor clamps, can make milling or Drilling Operations.

Stability during for raising milling or Drilling Operations, on the lathe bed that is positioned under the selective headstock, have groove, support bar is housed in the groove, support bar is by support set and be step-like support push rod and form, supporting push rod is inserted in the support set, one end of support set is connected in the groove by pin, and the big end of the internal diameter of the other end and support push rod has screw thread.When selective headstock guide rail and longitudinal rail were perpendicular, the rotational support push rod can make the small end that supports push rod withstand the contract mouth, in case rock before and after the selective headstock guide rail.

Turn back for ease of the selective headstock guide rail, connect connecting-rod head at the selective headstock guide rail and have chamfering.

Above-mentioned selective headstock is made of drill chuck, motor, main shaft, bearing, gear and casing, main shaft by bearing fixing in casing, two ends at main shaft are equipped with drill chuck and gear respectively, motor is fixed in the casing, bearing and gear are housed respectively on its output shaft, between gear on the main shaft and the gear on the motor output shaft, a transition gear are arranged.

The utility model is because on the structure of original lathe, increase the made selective headstock of forming by members such as selective headstock guide rail, spacing guide runner, connecting rods and rolled over the structure that turn 90 degrees, make this lathe both have the turning function of lathe, the milling and the drilling function that have milling machine and drilling machine again, can remove to the dais, classroom as teaching aid, also can be used as the lathe of finding processing.In addition, selective headstock of the present utility model is selected the assembly of the power drill system that is used as power for use, can dwindle the volume and weight of lathe greatly, is easy to carry.

Description of drawings:

Fig. 1, make the cut-away view of turning processing for the utility model;

Fig. 2, make the cut-away view of milling or Drilling Operations for the utility model;

Fig. 3, be the partial cutaway diagrammatic sketch of selective headstock guide rail and selective headstock base in the utility model.

Specific embodiment:

By shown in Figure 1, selective headstock 1 is positioned at a side of lathe bed 3, bootable knife rest 2 is housed respectively on lathe bed 3 and knife rest 2 does in length and breadth to the longitudinal and transverse guide rail 3-1, the 2-1 that move.Knife rest 2 is connected on the longitudinal rail 3-1, in lathe bed 3 and knife rest 2 screw mandrel 3-2,2-2 is housed respectively, and rotary screw rod 3-2,2-2 can make knife rest 2 do on lathe bed 3 in length and breadth to moving.One end of selective headstock guide rail 4 is connected with spacing guide runner 5 by connecting rod 6, and is installed in the lathe bed 3, selective headstock guide rail 4 can be drawn out and roll over turn 90 degrees with lathe bed 3 perpendicular.Back-moving spring 4-1 is contained in the spring housing 4-2, spring housing 4-2 is installed in the end in the selective headstock guide rail 4, screw rod 4-3 is inserted in the other end in the selective headstock guide rail 4, its head is equipped with locking plate 4-9, thrust bearing 4-5 and is provided with convex shoulder 4-7, locking plate 4-9 is positioned at selective headstock guide rail 4 outsides, thrust bearing 4-5 and convex shoulder 4-7 are positioned at selective headstock guide rail inboard, the threaded portion of screw rod 4-3 is equipped with nut 4-6, pass the projection 1-11 of selective headstock Connection Block 1-10, and kink is in screw rod cover 4-4, and screw rod cover 4-4 skewer is gone into spring housing 4-2 and is pressed on the back-moving spring 4-1.Selective headstock 1 is fixed on the selective headstock Connection Block 1-10.Lock-screw 3-3 passes lathe bed from lathe bed 3 bottoms, withstands on the contract mouth 4-8 of selective headstock guide rail 4, in case selective headstock guide rail 4 moves.Be provided with recess 1-12,4-10 and convex shoulder 3-4 at selective headstock 1, selective headstock guide rail 4 with the contact position of longitudinal rail 3-1, when selective headstock and 1 and longitudinal rail 3-1 perpendicularly makees brill, when milling is cut, the convex shoulder 3-4 contract of longitudinal rail 3-1 is gone in the recess 4-10 of selective headstock guide rail 4, when selective headstock and 1 parallels with longitudinal rail 3-1 when doing turning, the convex shoulder 3-4 contract of longitudinal rail 3-1 is gone in the recess 1-12 of selective headstock.Selective headstock 1 is made of drill chuck 1-1, motor 1-2, main shaft 1-3, bearing 1-4,1-5, gear 1-6,1-7,1-8 and casing 1-9.Main shaft 1-3 is fixed in the casing 1-9 by bearing 1-4, at the two ends of main shaft 1-3 drill chuck 1-1 and gear 1-6 are housed respectively, motor 1-2 is fixed in the casing 1-9, and bearing 1-5 and gear 1-8 are housed respectively on its output shaft, and a transition gear 1-7 is arranged between gear 1-6 and gear 1-8.On the lathe bed 3 that is positioned under the selective headstock 1, have groove, support bar 7 is housed in the groove, support bar 7 is by support set 7-1 and be step-like support push rod 7-2 and form, supporting push rod 7-2 is inserted in the support set 7-1, the end of support set 7-1 is connected in the groove by pin, and the big end of the internal diameter of the other end and support push rod 7-2 has screw thread.When this lathe was done turning processing use, selective headstock guide rail 4 was positioned at lathe bed 3, and the drill chuck 1-1 of selective headstock 1 clamps workpiece, cutter is fixed on the knife rest 2, motor 1-2 gets electric rotation, and by gear 1-6,1-7,1-8 main shaft 1-3, drill chuck 1-1 is rotated, and can carry out turning processing.

By shown in Figure 2, selective headstock guide rail 4 is drawn out and rolls over and turn 90 degrees with lathe bed 3 perpendicularly, and support set 7-1 is threaded with the big end that supports push rod 7-2, and the small end that supports push rod 7-2 withstands contract mouth 4-8, in case rock selective headstock guide rail 4 front and back.Connect connecting rods 6 ends at selective headstock guide rail 4 and have chamfering, so that the turning back of selective headstock guide rail 4.Selective headstock 1 overlaps under the effect of 4-4 at projection 1-11, screw rod 4-3, the screw rod of selective headstock Connection Block 1-10, but compression reseting spring 4-1 limit, limit moves downward.If when needing milling or Drilling Operations, drill chuck 1-1 clamps cutter, workpiece is fixed on the knife rest 2 by anchor clamps, opens motor and depresses selective headstock 1, can make milling or Drilling Operations.

By shown in Figure 3, selective headstock 1 is fixed on the selective headstock guide rail 4, and guide rail clip 1-13 is housed on selective headstock guide rail 4.The left and right sides face of selective headstock guide rail 4 and selective headstock Connection Block 1-10 is provided with guide rail 4-11 and has guide rail groove 1-14.When selective headstock 4 moved up and down, guide rail groove 1-14 slided along guide rail 4-11.

Claims (3)

1, a kind of multifunction miniature machine tool teaching aid, it comprises: selective headstock (1), knife rest (2), lathe bed (3), vertical, cross slide way (3-1), (2-1), screw mandrel (3-2), (2-2), selective headstock (1) is positioned at a side of lathe bed (3), bootable knife rest (2) is housed respectively on lathe bed (1) and knife rest (2) to be done vertical to what move in length and breadth, cross slide way (3-1), (2-1), knife rest (2) is connected on the longitudinal rail (3-1), in lathe bed (3) and knife rest (2), screw mandrel (3-2) is housed respectively, (2-2), it is characterized in that: also comprise selective headstock guide rail (4), spacing guide runner (5), connecting rod (6), back-moving spring (4-1), spring housing (4-2), screw rod (4-3), screw rod cover (4-4), thrust bearing (4-5), nut (4-6), selective headstock Connection Block (1-10) and lock-screw (3-3), selective headstock guide rail (4) is connected with spacing guide runner (5) by connecting rod (6), and be installed in the lathe bed (3), back-moving spring (4-1) is contained in the spring housing (4-2), spring housing (4-2) is installed in the end in the selective headstock guide rail (4), screw rod (4-3) is inserted in the other end in the selective headstock guide rail (4), its head is equipped with locking plate (4-9), thrust bearing (4-5) and be provided with convex shoulder (4-7), locking plate (4-9) is positioned at selective headstock guide rail (4) outside, thrust bearing (4-5) and convex shoulder (4-7) are positioned at selective headstock guide rail (4) inboard, the threaded portion of screw rod (4-3) is equipped with nut (4-6), pass the projection (1-11) of selective headstock Connection Block (1-10), and kink is in screw rod cover (4-4), screw rod cover (4-4) skewer is gone into spring housing (4-2) and is pressed on the back-moving spring (4-1), selective headstock (1) is fixed on the selective headstock Connection Block (1-10), the left and right sides face of selective headstock guide rail (4) and selective headstock Connection Block (1-10) is provided with guide rail (4-11) and has guide rail groove (1-14), guide rail clip (1-13) is housed on selective headstock guide rail (4), lock-screw (3-3) passes on the contract mouth (4-8) that lathe bed can withstand on selective headstock guide rail (4), in selective headstock (1) from lathe bed (3) bottom, the contact position of selective headstock guide rail (4) and longitudinal rail (3-1) is provided with recess (1-12) (4-10) and convex shoulder (3-4).

2, according to the described a kind of multifunction miniature machine tool teaching aid of claim 1, it is characterized in that: have groove at the lathe bed (3) that is positioned under the selective headstock (1), support bar (7) is housed in the groove, support bar (7) is by support set (7-1) and be step-like support push rod (7-2) and form, supporting push rod (7-2) is inserted in the support set (7-1), one end of support set (7-1) is connected in the groove by pin, and the big end of the internal diameter of the other end and support push rod (7-2) has screw thread.

3, according to claim 1 or 2 described a kind of multifunction miniature machine tool teaching aids, it is characterized in that: selective headstock (1) is by drill chuck (1-1), motor (1-2), main shaft (1-3), bearing (1-4), (1-5), gear (1-6), (1-7), (1-8) and casing (1-9) constitute, main shaft (1-3) is fixed in the casing (1-9) by bearing (1-4), drill chuck (1-1) and gear (1-6) are housed respectively at the two ends of main shaft (1-3), motor (1-2) is fixed in the casing (1-9), bearing (1-5) and gear (1-8) are housed respectively on its output shaft, between gear (1-6) and gear (1-8), a transition gear (1-7) are arranged.

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