Clamping wheel for machining of precision automatic lathe

Abstract

The utility model relates to the technical field of automatic lathe machining, in particular to a clamping wheel for automatic lathe machining, which comprises a base, a sliding seat arranged at the top end of the base, a sliding groove matched with the bottom end of the sliding seat and arranged at the top end of the base, two locking bolts arranged above the base, and two screw holes matched with the locking bolts and arranged on the sliding seat. A plurality of inserting grooves matched with the locking bolts are formed in the top end of the base, a hydraulic cylinder is fixed in the sliding base, a base is fixed to the top end of a piston rod of the hydraulic cylinder, two baffles are integrally formed at the top end of the base, two sliding blocks are arranged between the two baffles, and a motor is fixed to the side wall of one baffle; an output shaft of the motor is connected with a two-way lead screw through a coupler, screw holes matched with the two-way lead screw are formed in the two sliding blocks, supports are arranged at the top ends of the two sliding blocks, and two rotating wheels are rotationally connected into the two supports; the adjusting device is convenient to adjust, and the stability and the machining precision of shaft workpieces are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of walking heart machine, concretely relates to a walking heart machine machining clamp wheel. BACKGROUND

[0002] Walking heart machine full name is walking heart type numerical control lathe, also can be called main shaft box mobile type numerical control automatic lathe, economic type turning and milling composite machine tool or longitudinal cutting lathe, belongs to precision machining equipment. Walking heart machine can complete turning, milling, drilling, boring, attack, carving and other compound processing simultaneously, and is mainly used for batch processing of precision hardware, shaft type non-standard parts. When using walking heart machine to process shaft workpiece, when the shaft workpiece is stretched out for a long time, the end of the shaft workpiece will appear centrifugal motion and swing, and the processing precision and accuracy of the shaft workpiece will be reduced. UTILITY MODEL CONTENTS

[0003] In view of the problems in the prior art, the utility model provides a walking heart machine machining clamp wheel.

[0004] The utility model discloses a walking heart machine machining clamp wheel, including the base, the top of base is equipped with the sliding seat, the top of base is equipped with the sliding slot of the bottom of sliding seat's adaptation, the top of base is equipped with two locking bolts, be equipped with two screw holes of the adaptation of locking bolt on the sliding seat, the top of base is equipped with a plurality of the insertion slot of the adaptation of locking bolt, the hydraulic cylinder is fixed in the sliding seat, the piston rod of hydraulic cylinder's top is fixed with the base, the top of base is integrally formed with two baffle, two baffle between the two sliding blocks are equipped with, one baffle's side wall is fixed with motor, the output shaft of motor is connected with two -way screw rod through the shaft coupling, two sliding blocks all are equipped with the screw hole of the adaptation of two -way screw rod, two sliding blocks's top all are equipped with the support, two supports all are rotatably connected with two rotating wheels, two supports's bottom all are integrally formed with the protruding piece, two sliding blocks's top all are equipped with the clamping slot of the adaptation of protruding piece, two protruding pieces's two sides all are equipped with the limiting piece.

[0005] Through adopting above-mentioned technical scheme, the piston rod of hydraulic cylinder drives base vertical movement, can adjust the height of base according to need, unscrews two locking bolts, slides sliding seat, the bottom of two locking bolts is screwed into the insertion slot in the top of base, can adjust the distance between sliding seat and chuck of walking heart machine, the output shaft of motor drives two -way screw rod rotation, two sliding blocks move towards each other, two supports move towards each other, four rotating wheels are close to shaft workpiece, realize the clamping of shaft workpiece, and rotating wheel can rotate along with the rotation of shaft workpiece, not only do not influence the processing of shaft workpiece, but also improve the stability of shaft workpiece end, improve the processing precision and accuracy of shaft workpiece.

[0006] Specific, the limiting piece includes a shell, a pull rod and an insert block, the shell is connected with the sliding block, the shell is provided with an insert block, both sides of the two protrusions are provided with an insert slot matched with the insert block, the side wall of the insert block is fixed with a pull rod, one end of the pull rod away from the insert block penetrates the shell, and the pull rod is provided with a spring.

[0007] By adopting the technical scheme, if the support is to be replaced together with the rotating wheel, the pull rod is only pulled to drive the insert block to move away from the protrusion, and the support can be replaced by lifting the support.

[0008] Specifically, one end of the pull rod away from the insert block is fixed with a pull block.

[0009] By adopting the technical scheme, the pull block is held by hand, which is convenient for pulling the pull rod.

[0010] Specifically, two cross rods are fixed between the two baffles, and two through holes matched with the cross rods are arranged on the two sliding blocks.

[0011] By adopting the technical scheme, the cross rods are arranged, so that the stability of the sliding block can be improved.

[0012] Specifically, two mounting holes are arranged on the two sides of the base.

[0013] By adopting the technical scheme, when the base is installed, the bottom end of the bolt is inserted into the mounting hole on the two sides of the base, so that the base can be fixed on the lathe.

[0014] The beneficial effects of the utility model are as follows:

[0015] (1) The lathe clamping wheel disclosed by the utility model can realize the vertical movement of the base by the piston rod of the hydraulic cylinder, the height of the base can be adjusted according to the requirement, the two locking bolts are loosened, the sliding base is slid, the bottom end of the two locking bolts is screwed into the insert slot at the top end of the base, the distance between the sliding base and the chuck of the lathe can be adjusted, the output shaft of the motor drives the bidirectional screw rod to rotate, the two sliding blocks move towards each other, the two supports move towards each other, the four rotating wheels are tightly attached to the shaft workpiece, the clamping of the shaft workpiece is realized, the rotating wheel can rotate with the shaft workpiece, the machining of the shaft workpiece is not affected, the stability of the end part of the shaft workpiece is improved, and the machining precision and accuracy of the shaft workpiece are improved.

[0016] (2) The lathe clamping wheel disclosed by the utility model can realize the vertical movement of the base by the piston rod of the hydraulic cylinder, the height of the base can be adjusted according to the requirement, the two locking bolts are loosened, the sliding base is slid, the bottom end of the two locking bolts is screwed into the insert slot at the top end of the base, the distance between the sliding base and the chuck of the lathe can be adjusted, the output shaft of the motor drives the bidirectional screw rod to rotate, the two sliding blocks move towards each other, the two supports move towards each other, the four rotating wheels are tightly attached to the shaft workpiece, the clamping of the shaft workpiece is realized, the rotating wheel can rotate with the shaft workpiece, the machining of the shaft workpiece is not affected, the stability of the end part of the shaft workpiece is improved, and the machining precision and accuracy of the shaft workpiece are improved. DRAWINGS

[0017] The utility model is further described below in combination with the drawings and examples.

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a structural schematic view of the utility model; Figure 1 It is an enlarged view of structure at A in the middle;

[0020] Figure 3 It is a structural schematic view of the utility model's support;

[0021] Figure 4 It is a structural schematic view of the utility model's limiting piece.

[0022] In the drawing: 1, base; 2, locking bolt; 3, sliding seat; 4, hydraulic cylinder; 5, base; 50, sliding block; 51, baffle; 6, limiting piece; 60, shell; 61, pull rod; 62, plug; 63, spring; 64, pull block; 7, support; 70, protruding block; 8, rotating wheel; 9, cross bar; 10, bidirectional screw rod; 11, motor. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] In order to improve the stability of the end of the shaft workpiece, as an embodiment of the utility model, as shown in Figure 1 、 Figure 2 、 Figure 3 The utility model discloses a wheel clamping for turning center machining, including base 1, the top of base 1 is equipped with sliding seat 3, the top of base 1 is equipped with the sliding slot of the bottom of sliding seat 3's adaptation, the top of base 1 is equipped with two locking bolts 2, be equipped with two screw holes of the adaptation of locking bolt 2 on sliding seat 3, the top of base 1 is equipped with multiple insertion slot of the adaptation of locking bolt 2, hydraulic cylinder 4 is fixed in sliding seat 3 through bolt, the top of hydraulic cylinder 4's piston rod is fixed with base 5 through bolt, the top of base 5 is integrally formed with two baffles 51, two baffles 51 are equipped with two sliding blocks 50, wherein the side wall of one baffle 51 is fixed with motor 11, the output shaft of motor 11 is connected with bidirectional screw rod 10 through coupling, two sliding blocks 50 are all equipped with the screw hole of the adaptation of bidirectional screw rod 10, the top of two sliding blocks 50 is all equipped with support 7, two rotating wheels 8 are rotatably connected in two supports 7, the bottom of two supports 7 is integrally formed with protruding block 70, the top of two sliding blocks 50 is all equipped with the clamping groove of the adaptation of protruding block 70, the two sides of two protruding blocks 70 are all equipped with limiting piece 6.

[0025] In use, the piston rod of the hydraulic cylinder 4 drives the base 5 to move vertically, the height of the base 5 can be adjusted as required, the two locking bolts 2 are loosened, the sliding seat 3 is slid, the bottom end of the two locking bolts 2 is screwed into the slot at the top end of the base 1, the distance between the sliding seat 3 and the chuck (prior art, not shown) of the lathe can be adjusted, the output shaft of the motor 11 drives the bidirectional screw rod 10 to rotate, the two sliding blocks 50 move towards each other, the two supports 7 move towards each other, the four rotating wheels 8 tightly abut the shaft workpiece, the clamping of the shaft workpiece is realized, and the rotating wheels 8 can rotate with the shaft workpiece, which not only does not affect the machining of the shaft workpiece, but also improves the stability of the end of the shaft workpiece and improves the machining precision and accuracy of the shaft workpiece.

[0026] In order to facilitate the dismounting and replacing of the support 7 and the rotating wheel 8, as shown in Figure 3 , Figure 4 , the limiting piece 6 comprises an outer shell 60, a pull rod 61 and an insertion block 62, the outer shell 60 is welded to the sliding block 50, the insertion block 62 is arranged in the outer shell 60, both sides of the protruding block 70 are provided with an insertion slot matched with the insertion block 62, the pull rod 61 is welded and fixed to the side wall of the insertion block 62, one end of the pull rod 61 away from the insertion block 62 penetrates the outer shell 60, and the pull rod 61 is sleeved with a spring 63.

[0027] In use, if it is necessary to dismount and replace the support 7 together with the rotating wheel 8, the pull rod 61 is pulled, the insertion block 62 is driven by the pull rod 61 to move away from the protruding block 70, and the support 7 is lifted to dismount and replace the support 7 together with the rotating wheel 8.

[0028] In order to facilitate the pulling of the pull rod 61, as shown in Figure 4 , one end of the pull rod 61 away from the insertion block 62 is welded and fixed with a pull block 64.

[0029] In order to improve the stability of the sliding block 50, as shown in Figure 2 , two cross rods 9 are welded and fixed between the two baffles 51, and two through holes matched with the cross rods 9 are arranged on the two sliding blocks 50.

[0030] In order to facilitate the fixing of the base 1, as shown in Figure 1 , two mounting holes are arranged on both sides of the base 1.

[0031] The utility model discloses a base 1 is fixed on the walking center machine (prior art, not drawn) through bolt, and the piston rod of hydraulic cylinder 4 drives base 5 to move vertically, can adjust the height of base 5 according to need, loosens two locking bolts 2, slides sliding seat 3, and the bottom end of two locking bolts 2 is screwed into the slot in the top end of base 1, can adjust the distance between sliding seat 3 and chuck (prior art, not drawn) of walking center machine, and the output shaft of motor 11 drives bidirectional screw rod 10 to rotate, and two sliding blocks 50 move towards each other, and two supports 7 move towards each other, and four rotating wheels 8 are close to shaft workpieces, realize the clamping of shaft workpieces, and rotating wheel 8 can rotate along with the rotation of shaft workpieces, not only do not influence the machining of shaft workpieces, but also improve the stability of shaft workpiece end, improve the machining precision and accuracy of shaft workpiece (the working principle of walking center machine is prior art, and no longer elaborated).

[0032] If the support 7 is replaced together with the rotating wheel 8, only need to pull the pull block 64, and the pull rod 61 drives the plug block 62 to move away from the protruding block 70, and the support 7 can be replaced together with the rotating wheel 8 by lifting the support 7.

[0033] The basic principle, main features and advantages of the utility model are shown and described above.The technical personnel in this industry should understand that the utility model is not limited by the above embodiment, and the above embodiment and the description in the specification only illustrate the principle of the utility model, and the utility model will have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed to be protected.The scope of protection of the utility model is defined by the appended claims and their equivalents, and the contents not described in the utility model are all the prior art known to the technical personnel in this field.

Claims

1. A chuck wheel for use in a screw machine, characterized by, The utility model provides a kind of hydraulic cylinder, including base (1), the top of the base (1) is equipped with sliding seat (3), the top of the base (1) is equipped with the sliding slot of the bottom of sliding seat (3) adaptation, the top of the base (1) is equipped with two locking bolts (2), the sliding seat (3) is equipped with two screw holes with locking bolt (2) adaptation, the top of base (1) is equipped with multiple with locking bolt (2) adaptation insertion slot, the hydraulic cylinder (4) is fixed in the sliding seat (3), the piston rod of the hydraulic cylinder (4) is fixed with base (5), the top of the base (5) is integrally formed with two baffle (51), two sliding blocks (50) are equipped between two baffle (51), the sidewall of one baffle (51) is fixed with motor (11), the output shaft of motor (11) is connected with bidirectional screw rod (10) by coupling, two sliding blocks (50) are equipped with screw hole with bidirectional screw rod (10) adaptation, the top of two sliding blocks (50) is equipped with support (7), two rotating wheels (8) are rotatably connected in two supports (7), the bottom of two supports (7) is integrally formed with lug (70), the top of two sliding blocks (50) is equipped with clamping groove with lug (70) adaptation, the two sides of two lugs (70) are equipped with limiting piece (6).

2. The chuck wheel for a CNC machine according to claim 1, wherein The limiting piece (6) includes shell (60), pull rod (61) and plug block (62), the shell (60) is connected with sliding block (50), the plug block (62) is arranged in the shell (60), the two sides of two lugs (70) are equipped with the insertion slot with the plug block (62) adaptation, the sidewall of the plug block (62) is fixed with pull rod (61), the end, away from the plug block (62), of pull rod (61) penetrates shell (60), spring (63) is sleeved on pull rod (61).

3. The chuck wheel of claim 2 wherein, The end, away from the plug block (62), of pull rod (61) is fixed with pull block (64).

4. The chuck wheel of claim 1 wherein, Two cross bars (9) are fixed between two baffle (51), two through holes with cross bar (9) adaptation are equipped on two sliding blocks (50).

5. The chuck wheel of claim 1 wherein, Two mounting holes are equipped on the two sides of base (1).

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