Fine adjustment device for tool clamp of numerical control lathe

Abstract

The utility model discloses a numerical control lathe tool clamp fine adjustment device, and relates to the technical field of tool clamps. The device comprises a mounting seat, a clamp seat and a cutter, a transmission shaft is rotationally mounted in a sliding groove, threaded rods which are symmetrically distributed are fixedly arranged on the outer side of the transmission shaft in a sleeving manner, a transmission assembly is arranged on the clamp seat, and a locking assembly is arranged on the outer side of the mounting seat; the locking column is inserted into the locking groove, so that the locking column locks and fixes the transmission shaft, the square block is rotated to be aligned with the containing groove, the conical rod is reset, the conical rod is inserted into the positioning groove to fix the connecting rod and the square block, the square block is moved into the containing groove, in this way, it can be avoided that a screw is prone to being damaged when a screw is locked, and therefore the purpose of convenient locking is achieved; the rotary knob drives the connecting shaft to rotate, the connecting shaft drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the third gear to rotate, and the third gear drives the transmission shaft to rotate, so that transmission is convenient, and the purpose of convenient adjustment is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool holder technical field, concretely is a kind of numerical control lathe tool holder fine adjustment device. BACKGROUND

[0002] Numerical control lathe tool holder is used to clamp tool, the device that tool is kept correct position and attitude in turning process, among them, boring cutter is a kind of numerical control lathe tool for boring machining, boring cutter is processed when inner hole, the dimensional accuracy and position accuracy of tool are required higher, due to the wear of tool in processing process or installation error, clamp is accurately adjusted the cutting radius of boring cutter by fine adjustment mechanism, to ensure that the size of processed inner hole meets design requirement;

[0003] The locking structure of existing clamp fine adjustment device is mostly locked screw rod by screw, but screw directly locks screw rod, is easy to damage the thread groove of screw rod, and further affect the adjustment accuracy of fine adjustment device. UTILITY MODEL CONTENTS

[0004] To solve the problem that screw directly locking is easy to damage screw rod and affect adjustment accuracy;The utility model provides a kind of numerical control lathe tool holder fine adjustment device.

[0005] To solve the above technical problems, the utility model discloses the following technical scheme: A numerical control lathe tool holder fine adjustment device, including mounting seat, fixture seat and tool, the fixture seat sets up at the upper surface of mounting seat, the tool is installed in fixture seat, the upper surface of mounting seat is provided with the sliding slot, the inside sliding of sliding slot is equipped with the sliding block of symmetrical distribution, the upper surface of sliding block with the lower surface fixed connection of fixture seat, the inside rotation of sliding slot is equipped with the transmission shaft, the outside fixed cover of transmission shaft is equipped with the screw rod of symmetrical distribution, one end of screw rod is screwed and penetrates the sliding block, the transmission assembly is provided on the fixture seat, and the lock assembly is provided on the outside of mounting seat, the lock assembly includes the locking post, one end of transmission shaft is provided with the locking groove, one end of locking post is movably inserted in the locking groove, the first recess is provided on one end of sliding slot close to locking post, and the locking post is movably inserted in the first recess, the one end fixed with connecting rod of locking post away from locking groove, one end of connecting rod is rotatably connected with the square, the receiving groove is formed on the outside of mounting seat, the square is movably clamped in the receiving groove, the length of locking post is greater than the depth of receiving groove, the outside of square is movably inserted with the taper rod, one end of connecting rod is provided with the positioning groove that is annular array distribution, one end of taper rod is movably inserted in the positioning groove, and the one end of taper rod away from connecting rod is flush with the side of square, the inside of square is provided with the second recess, the outside of taper rod is fixedly provided with the limit disc, the limit disc is slidably clamped in the second recess, the outside of taper rod is movably provided with the first spring, and the two ends of first spring are fixedly connected with the inner wall of second recess and one side of limit disc respectively, the taper rod can be positioned through the limit disc, the taper rod can be reset through the first spring elasticity, the outside of connecting rod is movably provided with the second spring, and the two ends of second spring are fixedly connected with the inner wall of first recess and one end of locking post respectively, the locking post can be reset through the second spring elasticity, the outside of transmission shaft is fixedly provided with the positioning disc of symmetrical distribution, and one end of positioning disc is attached to screw rod, the sliding block can be positioned through the positioning disc, the side fixed with pull ring of taper rod away from positioning groove, the square can be conveniently removed from the receiving groove through the hand pull handle, and the taper rod can be conveniently moved through the pull ring.

[0006] Preferably, the transmission assembly comprises a knob, the knob is rotatably installed on the outside of the clamp seat, the bottom end of the clamp seat is provided with a third groove, the inner wall of the third groove is rotatably installed with a connecting shaft, one end of the connecting shaft is movably penetrated through the clamp seat and is fixedly connected with one side of the knob, the outer side of the connecting shaft is fixedly sleeved with a first gear, the outer side of the first gear is engaged with a second gear, the middle part of the second gear is fixedly provided with a rotating shaft, the rotating shaft is rotatably installed in the third groove, the outer side of the second gear is engaged with a third gear, the third gear is fixedly sleeved on one end of the transmission shaft, the outer side of the knob is provided with a scale line, the outer side of the clamp seat is provided with an arrow, the arrow is used in cooperation with the scale line, and the adjusting amount can be clearly judged through the cooperation of the arrow and the scale line.

[0007] Compared with the prior art, the utility model has the advantages that:

[0008] 1、Through the lock column is inserted into the lock groove, the lock column is fixed to the transmission shaft, and the square block is aligned with the storage groove by rotating, the taper rod is inserted into the positioning groove to fix the connecting rod and the square block, and the square block is moved into the storage groove, so that the screw locking can be avoided to damage the screw rod, so that the purpose of convenient locking is achieved.

[0009] 2、Through the knob drives the connecting shaft to rotate, the connecting shaft drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the third gear to rotate, and the third gear drives the transmission shaft to rotate, so that the transmission is convenient, and the purpose of convenient adjustment is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 It is a structural section schematic diagram of the utility model.

[0013] Figure 3 It is a sectional view of the mounting seat and the connecting structure of the utility model.

[0014] Figure 4 It is Figure 3 It is a structural enlarged view of A in the utility model.

[0015] Figure 5The utility model discloses a locking column and connecting structure thereof.

[0016] Figure 6 The utility model discloses a transmission shaft and connecting structure thereof.

[0017] In the drawing: 1, mounting seat, 2, transmission assembly, 21, knob, 22, third recess, 23, connecting shaft, 24, first gear, 25, second gear, 26, third gear, 27, rotating shaft, 28, scale line, 29, arrow, 3, clamp seat, 4, cutter, 5, sliding slot, 6, sliding block, 7, transmission shaft, 8, threaded rod, 9, locking assembly, 91, locking column, 92, locking groove, 93, connecting rod, 94, square, 95, storage groove, 96, first recess, 97, taper rod, 98, positioning groove, 99, second spring, 910, second recess, 911, limit disc, 912, first spring, 913, hand puller, 914, pull ring, 10, positioning disc. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work fall within the protection scope of the utility model.

[0019] Embodiment: as Figures 1-6As shown, the utility model provides a numerical control lathe tool holder fine adjustment device, including mounting seat 1, holder seat 3 and tool 4, holder seat 3 sets up on the upper surface of mounting seat 1, and tool 4 is installed in holder seat 3, and the upper surface of mounting seat 1 is provided with sliding slot 5, the inside of sliding slot 5 is equipped with the sliding block 6 of symmetrical distribution, the upper surface of sliding block 6 is fixedly connected with the lower surface of holder seat 3, and the inside of sliding slot 5 is rotatably installed with transmission shaft 7, the outside of transmission shaft 7 is fixedly equipped with the screw rod 8 of symmetrical distribution, and one end of screw rod 8 is screwed and penetrates sliding block 6, and transmission assembly 2 is provided on holder seat 3, and the outside of mounting seat 1 is provided with locking assembly 9.The locking assembly 9 comprises a locking column 91, one end of the transmission shaft 7 is provided with a locking groove 92, one end of the locking column 91 is movably inserted into the locking groove 92, the first groove 96 is arranged at one end of the sliding groove 5 close to the locking column 91, the locking column 91 is movably inserted into the first groove 96, the connecting rod 93 is fixedly arranged at one end of the locking column 91 away from the locking groove 92, the square block 94 is rotatably connected to one end of the connecting rod 93, the receiving groove 95 is arranged on the outer side of the mounting seat 1, the square block 94 is movably arranged in the receiving groove 95, the length of the locking column 91 is greater than the depth of the receiving groove 95, the taper rod 97 is movably arranged on the outer side of the square block 94, the positioning groove 98 is arranged in an annular array at one end of the connecting rod 93, one end of the taper rod 97 is movably inserted into the positioning groove 98, one end of the taper rod 97 away from the connecting rod 93 is flush with the side edge of the square block 94, the locking column 91 is inserted into the locking groove 92, so that the locking column 91 is locked and fixed to the transmission shaft 7, one end of the locking column 91 is inserted into the locking groove 92, and the square block 94 is located on the outer side of the receiving groove 95, the square block 94 is aligned with the receiving groove 95 by rotating, the taper rod 97 is reset and inserted into the positioning groove 98, so that the taper rod 97 fixes the connecting rod 93 and the square block 94, and the square block 94 is moved into the receiving groove 95, so that the transmission shaft 7 can be effectively locked, the second groove 910 is arranged in the square block 94, the limiting disc 911 is fixedly arranged on the outer side of the taper rod 97, the limiting disc 911 is movably arranged in the second groove 910, the first spring 912 is movably arranged on the outer side of the taper rod 97, the two ends of the first spring 912 are fixedly connected to the inner wall of the second groove 910 and one side of the limiting disc 911 respectively, the taper rod 97 can be limited by the limiting disc 911, and the taper rod 97 can be reset by the elastic force of the first spring 912, the second spring 99 is movably arranged on the outer side of the connecting rod 93, the two ends of the second spring 99 are fixedly connected to the inner wall of the first groove 96 and one end of the locking column 91 respectively, the locking column 91 can be reset by the elastic force of the second spring 99, the positioning disc 10 is symmetrically arranged on the outer side of the transmission shaft 7, one end of the positioning disc 10 is attached to the threaded rod 8, the sliding block 6 can be limited by the positioning disc 10, the hand pull 913 is fixedly arranged on the side of the square block 94 away from the connecting rod 93, the square block 94 can be conveniently moved out of the receiving groove 95 by the hand pull 913, the pull ring 914 is fixedly arranged at one end of the taper rod 97 away from the positioning groove 98, and the taper rod 97 can be conveniently moved by the pull ring 914.

[0020] The transmission assembly 2 comprises a knob 21 rotatably installed on the outer side of the clamp seat 3, the bottom end of the clamp seat 3 is provided with a third groove 22, the inner wall of the third groove 22 is rotatably provided with a connecting shaft 23, one end of the connecting shaft 23 movably penetrates the clamp seat 3 and is fixedly connected with one side of the knob 21, the outer side of the connecting shaft 23 is fixedly provided with a first gear 24, the outer side of the first gear 24 is engaged with a second gear 25, the middle part of the second gear 25 is fixedly provided with a rotating shaft 27, the rotating shaft 27 is rotatably installed in the third groove 22, the outer side of the second gear 25 is engaged with a third gear 26, the third gear 26 is fixedly provided on one end of the transmission shaft 7, the knob 21 drives the connecting shaft 23 to rotate, the connecting shaft 23 drives the first gear 24 to rotate, the first gear 24 drives the second gear 25 to rotate along the second rotating shaft 27, the second gear 25 drives the third gear 26 to rotate, and the third gear 26 drives the transmission shaft 7 to rotate, so that the transmission is convenient, the outer side of the knob 21 is provided with a scale line 28, the outer side of the clamp seat 3 is provided with an arrow 29, the arrow 29 is used in cooperation with the scale line 28, and the adjustment amount can be clearly judged through the cooperation of the arrow 29 and the scale line 28.

[0021] Working principle: when the cutting radius of the boring cutter needs to be adjusted, first hold the hand pull 913, the hand pull 913 drives the block 94 to move out of the storage groove 95, the block 94 drives the connecting rod 93 to move, the connecting rod 93 drives the locking column 91 to move out of the locking groove 92, and at the same time the locking column 91 compresses the second spring 99, so that the second spring 99 generates elastic force, then the tool is rotated, the knob 21 drives the connecting shaft 23 to rotate, the connecting shaft 23 drives the first gear 24 to rotate, the first gear 24 drives the second gear 25 to rotate along the second rotating shaft 27, the second gear 25 drives the third gear 26 to rotate, the third gear 26 drives the transmission shaft 7 to rotate, the transmission shaft 7 drives the threaded rod 8 to rotate, the threaded rod 8 drives the sliding block 6 to move in the sliding groove 5, the sliding block 6 drives the clamp seat 3 to move, and the clamp seat 3 drives the cutter 4 to move, so that the cutting radius of the cutter 4 is convenient, then the block 94 is rotated, the block 94 drives the locking column 91 to rotate through the connecting rod 93, so that the locking column 91 is aligned with the locking groove 92, the elastic force of the second spring 99 drives the locking column 91 to insert into the locking groove 92, so that the locking column 91 locks and fixes the transmission shaft 7, one end of the locking column 91 inserts into the locking groove 92, and at the same time the block 94 is located outside the storage groove 95, then the pull ring 914 drives the taper rod 97 to move, the end of the taper rod 97 moves out of the positioning groove 98, and at the same time the taper rod 97 compresses the first spring 912 through the limiting disc 911, so that the first spring 912 generates elastic force, then the block 94 is rotated, so that the block 94 is aligned with the storage groove 95, the elastic force of the first spring 912 drives the taper rod 97 to reset, the taper rod 97 inserts into the positioning groove 98, so that the taper rod 97 fixes the connecting rod 93 and the block 94, and then the block 94 is moved, so that the block 94 moves into the storage groove 95, so that the transmission shaft 7 can be effectively locked.

[0022] It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application cover modifications and variations of this application provided they come within the scope of the appended claims and their equivalents.

Claims

1. A fine adjustment device for a lathe tool holder of a numerical control lathe, comprising a mounting seat (1), a holder seat (3) and a tool (4), characterized in that: The clamp seat (3) is arranged on the upper surface of the mounting seat (1), the cutter (4) is mounted in the clamp seat (3), the upper surface of the mounting seat (1) is provided with a sliding groove (5), the inside of the sliding groove (5) is slidably provided with symmetrically distributed sliding blocks (6), the upper surface of the sliding block (6) is fixedly connected with the lower surface of the clamp seat (3), the inside of the sliding groove (5) is rotatably provided with a transmission shaft (7), the outer side of the transmission shaft (7) is fixedly provided with symmetrically distributed threaded rods (8), one end of the threaded rod (8) is threadedly penetrated through the sliding block (6), the clamp seat (3) is provided with a transmission assembly (2), and the outer side of the mounting seat (1) is provided with a locking assembly (9); the locking assembly (9) comprises a locking column (91), one end of the transmission shaft (7) is provided with a locking groove (92), one end of the locking column (91) is movably inserted into the locking groove (92), one end of the sliding groove (5) close to the locking column (91) is provided with a first groove (96), the locking column (91) is movably inserted into the first groove (96), one end of the locking column (91) away from the locking groove (92) is fixedly provided with a connecting rod (93), one end of the connecting rod (93) is rotatably connected with a square block (94), the outer side of the mounting seat (1) is provided with a receiving groove (95), the square block (94) is movably clamped in the receiving groove (95), the outer side of the square block (94) is movably inserted with a taper rod (97), one end of the connecting rod (93) is provided with a positioning groove (98) arranged in an annular array, and one end of the taper rod (97) is movably inserted into the positioning groove (98).

2. A fine adjustment device for a tool holder of a numerically controlled lathe according to claim 1, characterized in that The transmission assembly (2) comprises a knob (21), the knob (21) is rotatably mounted on the outer side of the clamp seat (3), the bottom end of the clamp seat (3) is provided with a third groove (22), the inner wall of the third groove (22) is rotatably provided with a connecting shaft (23), one end of the connecting shaft (23) movably penetrates through the clamp seat (3) and is fixedly connected with one side of the knob (21), the outer side of the connecting shaft (23) is fixedly provided with a first gear (24), the outer side of the first gear (24) is engaged with a second gear (25), the middle part of the second gear (25) is fixedly provided with a rotating shaft (27), the rotating shaft (27) is rotatably mounted in the third groove (22), the outer side of the second gear (25) is engaged with a third gear (26), and the third gear (26) is fixedly provided on one end of the transmission shaft (7).

3. A fine adjustment device for a tool holder of a numerically controlled lathe according to claim 1, characterized in that The inside of the square block (94) is provided with a second groove (910), the outer side of the taper rod (97) is fixedly provided with a limiting disc (911), the limiting disc (911) is slidably clamped in the second groove (910), the outer side of the taper rod (97) is movably provided with a first spring (912), and the two ends of the first spring (912) are fixedly connected with the inner wall of the second groove (910) and one side of the limiting disc (911) respectively.

4. A fine adjustment device for a tool holder of a numerically controlled lathe according to claim 2, characterized in that The outer side of the knob (21) is provided with a scale line (28), and the outer side of the clamp seat (3) is provided with an arrow (29), which is used in cooperation with the scale line (28).

5. The fine adjustment device for a tool holder of a numerically controlled lathe according to claim 1, wherein The outer side of the connecting rod (93) movably sheaths a second spring (99), and the two ends of the second spring (99) are fixedly connected with the inner wall of the first groove (96) and one end of the locking column (91) respectively.

6. A fine adjustment device for a tool holder of a numerically controlled lathe according to claim 1, characterized in that The outer side of the transmission shaft (7) fixedly sheaths symmetrically distributed positioning discs (10), and one end of the positioning disc (10) is attached to the threaded rod (8).

7. A fine adjustment device for a tool holder of a numerically controlled lathe according to claim 1, characterized in that The side, away from the connecting rod (93), of the square block (94) is fixedly provided with a hand pull (913).

8. A fine adjustment device for a tool holder of a numerically controlled lathe according to claim 1, characterized in that The end, away from the positioning groove (98), of the taper rod (97) is fixedly provided with a pull ring (914).

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