CN108161520A - Axle core centre gripping drilling mechanism for precision printer - Google Patents

Abstract

The invention discloses a shaft core clamping and drilling mechanism for a precision printer, which comprises a rack, wherein support frames are fixed in the middle parts of the front end and the rear end of a top plate of the rack, a support long block extending forwards and backwards is fixed on the top surface of the middle part of the top plate of the rack, and the top surface of the support long block is provided with a long installation groove with an arc-shaped bottom surface; the front part and the rear part of the middle part of one side of a top plate of the rack are both fixed with movable connecting plates, two ends of a movable screw are hinged on the two movable connecting plates, a movable motor is fixed on the outer side wall of one of the movable connecting plates, an output shaft of the movable motor is a spline shaft, the spline shaft is inserted in a spline hole formed in one end of the movable screw, and the movable block is screwed in the movable screw. The invention can automatically clamp the shaft core to be processed, the clamping is firm, the outer surface of the shaft core is not easy to damage, meanwhile, the shaft core can automatically descend for punching, the drill bit can move forwards, backwards, leftwards and rightwards, and the accuracy and high precision of punching are ensured.

Description

A shaft core clamping drilling mechanism for a precision printer

Technical field:

The invention relates to the technical field of printer equipment, in particular to a shaft core clamping drilling mechanism for precision printers.

Background technique:

The shaft core of the existing printer needs to be clamped and fixed when drilling radially. The existing method is to manually fix the clamping block with bolts, which is inefficient, and due to the small size of the shaft core, the clamping The holding effect is also not ideal, and the surface of the shaft core is easily damaged.

Existing punching mechanism is generally common drilling machine simultaneously, and it needs manual semi-automatic operation, realizes punching, and its drill bit descent speed is uneven, and effect is limited.

Invention content:

The purpose of the present invention is to overcome the deficiencies of the prior art, and to provide a shaft core clamping and drilling mechanism for precision printers, which can automatically clamp the shaft core to be processed, and the clamping is firm, and it is not easy to make the outer surface of the shaft core Damaged, at the same time, it can automatically descend to drill holes, and the drill bit can move back and forth, left and right, to ensure accurate drilling and high precision.

The scheme that the present invention solves described technical problem is:

A shaft core clamping drilling mechanism for precision printers, including a frame, the middle of the front and rear ends of the top plate of the frame are fixed with support frames, and the middle top surface of the top plate of the frame is fixed with a support elongated shape extending forward and backward block, the top surface of the supporting elongated block has an elongated installation groove with an arc-shaped bottom surface;

The horizontal top plate of the support frame is above the support elongated block, and the top surface of the horizontal top plate of the support frame is fixed with two compression oil cylinders, and the push rod of the compression oil cylinder passes through the horizontal top plate of the support frame and is fixed with a compression block , the bottom surface of the pressing block has an arc-shaped groove, and the front and rear ends of the shaft core to be processed are inserted into the arc-shaped groove and clamped between the wall of the arc-shaped groove and the arc-shaped surface of the elongated installation groove between;

The front part and the rear part of the middle part of one side of the top plate of the frame are fixed with mobile connecting plates, and the two ends of the moving screw are hinged on the two moving connecting plates, and a moving motor is fixed on the outer wall of one of the moving connecting plates. , the output shaft of the mobile motor is a spline shaft, the spline shaft is inserted into the spline hole at one end of the moving screw, the moving block is screwed into the moving screw, and the top surface of the moving block is fixed with a vertical support column, the vertical The top of the straight support column is fixed with the main transverse plate;

The middle part of the top surface of the main transverse plate has a main transverse through groove, the left and right ends of the top surface of the main transverse plate are fixed with movable adjustment plates, the two ends of the transverse screw are hinged on the two movable adjustment plates, and the outer side wall of one of the mobile adjustment plates A transverse movement motor is fixed on the top, the output shaft of the transverse movement motor is a spline shaft, and the spline shaft is inserted into the spline hole at one end of the transverse screw rod, and the transverse movement block is screwed into the transverse screw rod, and the bottom surface of the transverse movement block The lower extension plate is fixed, the lower extension plate extends out of the main transverse channel and is fixed with the bottom connecting plate, the top surface of the bottom connecting plate is fixed with a lifting motor, the output shaft of the lifting motor passes through the bottom connecting plate and is connected with the Lifting screw, the bottom end of the lifting screw is screwed with a lifting screw sleeve, the bottom end of the lifting screw sleeve is fixed with a processing frame, the middle top surface of the bottom plate of the processing frame is fixed with a rotating motor, and the output shaft of the rotating motor passes through the bottom plate of the processing frame And a drill bit connecting part is fixed, and the bottom end of the drill bit connecting part is fixed with a drill bit, and the drill bit is above the shaft core to be processed and faces the shaft core to be processed;

The bottom surface of the front part and the rear part of the elongated mounting groove has a moving through groove, the top surface of the front part and the rear part of the top plate of the frame has a sliding groove, and the bottom surface of the front part and the rear part of the top plate of the frame has The installation groove, the moving channel communicates with the corresponding sliding groove, the sliding groove communicates with the corresponding installation groove, the rodless cylinder is in the installation groove, the rodless cylinder is fixed on the top surface of the installation groove, and the rodless cylinder The push block is in the sliding groove and is fixed with a moving rod, which is inserted into the moving through groove, and the top of the moving rod is fixed with a limiting plate, which is pressed against the end face of the shaft core to be processed.

An anti-slip elastic layer is fixed on the curved surface of the elongated installation groove.

The side wall of the moving rod is close to the self-lubricating layer fixed on the inner side wall of the moving channel.

The top surface of the pressing block is fixed with a vertical guide rod, and the vertical guide rod stretches out from the horizontal top plate of the support frame.

An anti-slip elastic layer is fixed on the inner wall surface of the arc-shaped groove of the pressing block.

The middle part of the arc-shaped surface of the elongated installation groove has a downwardly extending processing through groove, and the processing through groove communicates with the falling through groove formed in the middle part of the top plate of the frame.

The top surface of one side of the top plate of the frame is fixed with a guide block, the top surface of the guide block has a dovetail-shaped chute, the bottom surface of the moving block is fixed with a dovetail-shaped slider, and the dovetail-shaped slider is inserted into the dovetail-shaped chute .

A lower self-lubricating base plate is fixed on the bottom surface of the laterally moving block, and the lower self-lubricating base plate is pressed against the top surface of the main transverse plate.

A plurality of main guide rods are fixed on the top plate of the processing frame, the tops of the main guide rods all protrude from the bottom connecting plate, and the top ends of the main guide rods are fixed with top limit blocks.

The upper end of the main guiding rod and the lifting motor are in the main transverse channel.

The outstanding effect of the present invention is: compared with the prior art, it can automatically clamp the shaft core to be processed, and the clamping is firm, and it is not easy to damage the outer surface of the shaft core. The drill bit can move back and forth, left and right to ensure accurate drilling and high precision.

Description of drawings:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a partial sectional view of the present invention;

Fig. 3 is a partial structural schematic diagram between the frame and the rodless cylinder of the present invention.

Detailed ways:

Embodiment, as shown in Fig. 1 to Fig. 3, a shaft core clamping drilling mechanism for a precision printer includes a frame 10, and a support frame 11 is fixed in the middle of the front and rear ends of the top plate of the frame 10, The middle top surface of the top plate of the frame 10 is fixed with a supporting elongated block 12 extending forward and backward, and the top surface of the supporting elongated block 12 has an elongated installation groove 13 whose bottom surface is an arc surface;

The horizontal top plate of the support frame 11 is above the support elongated block 12, and the top surface of the horizontal top plate of the support frame 11 is fixed with two compression oil cylinders 111, and the push rod of the compression oil cylinder 111 passes through the horizontal top plate of the support frame 11. And a pressing block 112 is fixed, the bottom surface of the pressing block 112 has an arc-shaped groove 113, and the front end and the rear end of the shaft core 100 to be processed are inserted into the arc-shaped groove 113 and clamped in the arc-shaped groove 113. Between the wall surface and the arc-shaped surface of the elongated installation groove 13;

The front and rear parts of one side of the top plate of the frame 10 are fixed with a movable connecting plate 20, and the two ends of the moving screw 21 are hinged on the two moving connecting plates 20, and the outer side wall of one of the moving connecting plates 20 is Fixed with moving motor 22, the output shaft of moving motor 22 is a spline shaft, and the spline shaft is inserted in the spline hole that one end of moving screw rod 21 has, and moving block 23 is screwed in moving screw rod 21, and moving block 23 The top surface of the top is fixed with a vertical support column 24, and the top of the vertical support column 24 is fixed with a main transverse plate 25;

The middle part of the top surface of the main transverse plate 25 has a main transverse through groove 251, and the left and right ends of the top surface of the main transverse plate 25 are fixed with movable adjustment plates 252, and the two ends of the transverse screw rod 253 are hinged on two movable adjustment plates 252, one of The lateral movement motor 254 is fixed on the outer side wall of the mobile adjusting plate 252, the output shaft of the lateral movement motor 254 is a spline shaft, and the spline shaft is inserted in the spline hole that one end of the transverse screw rod 253 has, and the transverse movement block 26 screws Connected in the horizontal screw rod 253, the bottom surface of the lateral moving block 26 is fixed with a lower extension plate 261, the lower extension plate 261 extends out of the main transverse through groove 251 and is fixed with a bottom connection plate 262, and the top surface of the bottom connection plate 262 is fixed with a lifting motor 27. The output shaft of the lifting motor 27 passes through the bottom connecting plate 262 and is connected with a lifting screw 271 through a coupling. The bottom end of the lifting screw 271 is screwed with a lifting screw sleeve 272, and the bottom end of the lifting screw sleeve 272 is fixed with a processing frame. 28, the middle part top surface of the bottom plate of the processing frame 28 is fixed with a rotary motor 29, the output shaft of the rotary motor 29 passes through the bottom plate of the processing frame 28 and is fixed with a drill bit connection part 291, and the bottom end of the drill bit connection part 291 is fixed with a drill bit 30, The drill bit 30 is located above the shaft core 100 to be processed and faces the shaft core 100 to be processed;

The bottom surface of the front part and the rear part of the elongated mounting groove 13 has a moving through groove 131, the top surface of the front part and the rear part of the top plate of the frame 10 has a sliding groove 14, the front part and the rear part of the top plate of the frame 10 The bottom surface of the rear portion has a mounting groove 15, the moving channel 131 communicates with the corresponding sliding groove 14, the sliding groove 14 communicates with the corresponding mounting groove 15, the rodless cylinder 16 is in the mounting groove 15, and the rodless cylinder 16 is fixed On the top surface of the mounting groove 15, the push block of the rodless cylinder 16 is in the sliding groove 14 and is fixed with a moving rod 141, which is inserted into the moving through groove 131, and the top of the moving rod 141 is fixed with a limit plate 142, the limit plate 142 is pressed against the end surface of the shaft core 100 to be processed.

Furthermore, the anti-slip elastic layer 1 is fixed on the arc surface of the elongated installation groove 13 .

Furthermore, the side wall of the moving rod 141 is in close contact with the self-lubricating layer fixed on the inner side wall of the moving channel 131 .

Further speaking, a vertical guide rod 114 is fixed on the top surface of the pressing block 112 , and the vertical guide rod 114 protrudes from the horizontal top plate of the support frame 11 .

Furthermore, the anti-slip elastic layer 2 is fixed on the inner wall surface of the arc-shaped groove 113 of the pressing block 112 .

Furthermore, the middle part of the arc-shaped surface of the elongated mounting groove 13 has a downwardly extending processing through-slot 17 , and the processing through-slot 17 communicates with the falling through-slot 18 in the middle of the top plate of the frame 10 .

Further, a guide block 40 is fixed on the top surface of one side of the top plate of the frame 10, the top surface of the guide block 40 has a dovetail chute 41, and the bottom surface of the moving block 23 is fixed with a dovetail slider 231. The slider 231 is inserted into the dovetail chute 41 .

Furthermore, a lower self-lubricating bottom plate 269 is fixed on the bottom surface of the transversely moving block 26 , and the lower self-lubricating bottom plate 269 presses against the top surface of the main transverse plate 25 .

Furthermore, a plurality of main guide rods 281 are fixed on the top plate of the processing frame 28 , the top ends of the main guide rods 281 protrude from the bottom connecting plate 262 , and top limit blocks 282 are fixed on the top ends of the main guide rods 281 .

Furthermore, the upper end of the main guiding rod 281 and the lifting motor 27 are located in the main transverse slot 251 .

In this embodiment, when in use, the shaft core 100 to be processed is placed in the elongated installation groove 13, and pushed by the push rods of the two rodless cylinders 16, so that the limit plate 142 is pressed against the end surface of the shaft core 100 to be processed. Then, it is pushed by the push rods of the four pressing cylinders 111, so that the front end and the rear end of the shaft core 100 to be processed are inserted into the arc-shaped groove 113 and clamped on the wall surface of the arc-shaped groove 113 Between the arc-shaped surface of the elongated installation groove 13, further fixation is realized, and then, through the operation of the moving motor 22 and the lateral moving motor 254, the drill bit 30 is moved forward, backward, left, and right, ensuring that it is in the position of the shaft core 100 to be processed. Directly above the hole, then, run through the rotating motor 29 and run through the lifting motor 27, so that the drill bit 30 descends and drills the shaft core 100 to be processed, which has good effect, high efficiency and high degree of automation. The drill bit connecting portion 291 is a common connecting head of an existing common drilling machine, which is known and will not be described in detail.

Finally, the above embodiments are only used to illustrate the present invention, rather than to limit the present invention. Those of ordinary skill in the relevant technical fields can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also belong to the category of the present invention, and the scope of patent protection of the present invention should be defined by the claims.

Claims (10)

1. a kind of precision printer clamps borehole drill construction with shaft core, including rack (10), it is characterised in that：The rack (10) Supporting rack (11) is respectively and fixedly provided in the middle part of the rear and front end of top plate, the middle top surface of the top plate of rack (10) is fixed with front and rear extension It supports elongated piece (12), the top surface of support elongated piece (12) has the elongated installation groove (13) that bottom surface is arcwall face；

The lateral top plate of support frame as described above (11) is in the top of support elongated piece (12), the top of the lateral top plate of supporting rack (11) Face is fixed there are two compressed oil cylinder (111), and the push rod of compressed oil cylinder (111) passes through the lateral top plate of supporting rack (11) and is fixed with Compact heap (112), the bottom surface of compact heap (112) have arc groove (113), and the front-end and back-end of shaft core (100) to be processed are inserted It is sleeved in arc groove (113) and is clamped between the wall surface of arc groove (113) and the arcwall face of elongated installation groove (13)；

The front and rear of one middle side part of the top plate of the rack (10) is respectively and fixedly provided with mobile connection plate (20), mobile screw (21) both ends are hinged on two mobile connection plates (20), and shifting is fixed on the lateral wall of one of mobile connection plate (20) Dynamic motor (22), the output shaft of mobile motor (22) is splined shaft, and splined shaft sleeve has in one end of mobile screw (21) In splined hole, movable block (23) is screwed onto in mobile screw (21), and the top surface of movable block (23) is fixed with vertical support column (24), The top of vertical support column (24) is fixed with main transverse plate (25)；

There is main lateral straight slot (251), the top surface left and right ends of main transverse plate (25) are fixed in the middle part of the top surface of main transverse plate (25) There is mobile adjustable plate (252), the both ends of transverse screw (253) are hinged on two mobile adjustable plates (252), one of mobile Transverse mobile motor (254) is fixed on the lateral wall of adjustable plate (252), the output shaft of transverse mobile motor (254) is spline Axis, in the splined hole that splined shaft sleeve has in one end of transverse screw (253), transverse shifting block (26) is screwed onto transverse screw (253) in, the bottom surface of transverse shifting block (26) is fixed with lower extension board (261), and lower extension board (261) stretches out main lateral straight slot (251) and bottom connecting plate (262) is fixed with, the top surface of bottom connecting plate (262) is fixed with lifting motor (27), lifting motor (27) output shaft, which passes through bottom connecting plate (262) and passes through shaft coupling, is connected with lifting screw (271), lifting screw (271) Bottom end be bolted with lifting swivel nut (272), lifting swivel nut (272) bottom end be fixed with processing frame (28), the bottom of processing frame (28) The middle top surface of plate is fixed with electric rotating machine (29), and the output shaft of electric rotating machine (29) passes through bottom plate and the fixation of processing frame (28) There is drill bit connecting portion (291), the bottom end of drill bit connecting portion (291) is fixed with drill bit (30), and drill bit (30) is in shaft core to be processed (100) top and opposite shaft core to be processed (100)；

The bottom surface of the front and rear of the elongated installation groove (13) has mobile straight slot (131), the top plate of rack (10) The top surface of front and rear has slide slot (14), and the bottom surface of the front and rear of the top plate of rack (10) has installation groove (15), mobile straight slot (131) communicates with corresponding slide slot (14), and slide slot (14) is communicated with corresponding installation groove (15), In installation groove (15), rodless cylinder (16) is fixed on the top surface of installation groove (15) rodless cylinder (16), no bar gas The pushing block of cylinder (16) is in slide slot (14) and is fixed with mobile bar (141), and mobile bar (141) sleeve is in mobile straight slot (131) in, the top of mobile bar (141) is fixed with limiting plate (142), and limiting plate (142) is pressed against shaft core to be processed (100) end On face.

2. a kind of accurate printer according to claim 1 clamps borehole drill construction with shaft core, it is characterised in that：It is described elongated Antiskid elastic layer (1) is fixed on the arcwall face of installation groove (13).

3. a kind of accurate printer according to claim 1 clamps borehole drill construction with shaft core, it is characterised in that：The movement The side wall of bar (141) is close on the self-lubricating layer being fixed on the madial wall of mobile straight slot (131).

4. a kind of accurate printer according to claim 1 clamps borehole drill construction with shaft core, it is characterised in that：The compression The top surface of block (112), which is fixed with, is vertically directed bar (114), is vertically directed the lateral top plate that bar (114) stretches out supporting rack (11).

5. a kind of accurate printer according to claim 1 clamps borehole drill construction with shaft core, it is characterised in that：The compression Antiskid elastic layer (2) is fixed on the internal face of the arc groove (113) of block (112).

6. a kind of accurate printer according to claim 1 clamps borehole drill construction with shaft core, it is characterised in that：It is described elongated There is the processing straight slot (17) extended downwardly, processing straight slot (17) and the top of rack (10) in the middle part of the arcwall face of installation groove (13) The whereabouts straight slot (18) that the middle part of plate has communicates.

7. a kind of accurate printer according to claim 1 clamps borehole drill construction with shaft core, it is characterised in that：The rack (10) the side top surface of top plate is fixed with guide pad (40), and the top surface of guide pad (40) has swallowtail-shaped slide (41), mobile The bottom surface of block (23) is fixed with swallow-tail form sliding block (231), and swallow-tail form sliding block (231) sleeve is in swallowtail-shaped slide (41).

8. a kind of accurate printer according to claim 1 clamps borehole drill construction with shaft core, it is characterised in that：The transverse direction The bottom surface of movable block (26) is fixed with lower self-lubricating bottom plate (269), and lower self-lubricating bottom plate (269) is pressed against main transverse plate (25) On top surface.

9. a kind of accurate printer according to claim 1 clamps borehole drill construction with shaft core, it is characterised in that：The processing Multiple main guide rods (281) are fixed on the top plate of frame (28), bottom connecting plate is stretched out on the top of main guide rod (281) (262), the top of main guide rod (281) is fixed with upper limit block (282).

10. a kind of accurate printer according to claim 9 clamps borehole drill construction with shaft core, it is characterised in that：The master The upper end of guide rod (281) and lifting motor (27) are in main lateral straight slot (251).