Hydrostatic pressure type numerical control horizontal shaft circular truncated cone surface grinding machine

Abstract

The utility model discloses a hydrostatic pressure type numerical control horizontal shaft circular truncated cone surface grinding machine, which belongs to the field of surface grinding machines and comprises a machine body and a machine head arranged on the machine body, one end of the machine head is fixedly connected with a grinding wheel cover, an output shaft of the machine head penetrates into the grinding wheel cover and is sleeved with a detachable grinding wheel, one side of the grinding wheel cover is hinged with a baffle plate, and the baffle plate is fixedly connected with the machine body. A shaft seat is fixedly connected to the inner surface of the baffle, one end of the output shaft is rotatably inserted into the shaft seat, an insertion block is fixedly connected to one end of the baffle, a positioning groove is formed in one side of the insertion block, an insertion groove is formed in one end of the grinding wheel cover, a sliding groove is formed in one side of the insertion groove, and a two-way screw is rotatably connected into the sliding groove. The middle of the two-way screw is connected with a driving piece, and the two ends of the two-way screw are in threaded connection with positioning columns. And through the arrangement of a baffle, an inserting block, a positioning groove, an inserting groove, a sliding groove, a two-way screw rod, a driving piece and a positioning column, the grinding wheel is convenient to replace.

Description

Technical Field

[0001] The utility model belongs to the technical field of surface grinders, and in particular relates to a liquid static pressure type numerically controlled horizontal spindle circular table surface grinder. Background Art

[0002] Horizontal axis rotary table plane is a horizontal grinder with a circular electromagnetic chuck worktable. It is a high-efficiency, precise and stable processing machine tool horizontal axis rotary table that uses the grinding wheel periphery for grinding.

[0003] The existing Chinese patent with announcement number CN102248455A discloses a liquid static pressure type CNC horizontal axis circular table surface grinder, including a bed, a column, a worktable mechanism, a vertical feed mechanism, a grinding head mechanism and a transverse feed mechanism, wherein the transverse feed mechanism is arranged on the bed, and the worktable mechanism is fixed on the transverse feed structure; the vertical feed mechanism is installed on the upper end of the column and is fixedly connected to the grinding head mechanism, characterized in that the grinding head mechanism includes a main shaft, a sleeve is arranged on the outside of the main shaft, angular contact bearings matching the main shaft are arranged at both ends of the sleeve, a grinding head body is arranged outside the sleeve, a gap is left between the sleeve and the main shaft, and a pipe joint for replenishing oil into the gap is also arranged on the sleeve. When the grinding head mechanism starts working, the grinding head motor drives the main shaft to rotate to work. The oil enters the spiral oil groove of the sleeve through the pipe joint under the action of pressure from the external oil tank, and fills the gap between the sleeve and the spindle, so that the inner cavity of the grinding head mechanism is filled with enough oil to ensure the stable operation of the grinding head mechanism. The excess oil flows out through another pipe joint of the motor seat and can be reused after filtering. The spindle motor adopts a three-phase AC servo motor, which ensures the stable operation of the liquid hydrostatic bearing while greatly improving the speed of the grinding head, so that the grinding efficiency of the grinding head reaches a high-speed level.

[0004] With respect to the above-mentioned related technology, the inventors found that there are at least the following problems in the technology: the grinding wheel is installed in a grinding wheel cover, and it is inconvenient to replace the grinding wheel after the grinding wheel is worn. Utility Model Content

[0005] The utility model aims to provide a liquid static pressure type numerically controlled horizontal axis circular table surface grinder to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a liquid static pressure CNC horizontal spindle rotary table surface grinder, comprising a machine body and a machine head arranged on the machine body, one end of the machine head is fixedly connected to a grinding wheel cover, the output shaft of the machine head passes through the grinding wheel cover and is mounted with a detachable grinding wheel, one side of the grinding wheel cover is hinged with a baffle, the inner surface of the baffle is fixedly connected to a shaft seat, one end of the output shaft is rotatably inserted into the shaft seat, one end of the baffle is fixedly connected to an insertion block, one side of the insertion block is provided with a positioning groove, one end of the grinding wheel cover is provided with a slot, one side of the slot is provided with a slide groove, a bidirectional screw is rotatably connected in the slide groove, the middle part of the bidirectional screw is connected to a driving member, and both ends of the bidirectional screw are threadedly connected to positioning columns.

[0007] As a preferred implementation, a key block is provided on the surface of the output shaft, and a key groove matched with the key block is opened in the center hole of the grinding wheel.

[0008] As a preferred embodiment, a plurality of balls are provided between the shaft seat and the grinding wheel.

[0009] As a preferred embodiment, the driving member includes a knob arranged on one side of the grinding wheel cover, a worm fixedly connected to the knob, and a worm wheel fixedly connected to the middle of the bidirectional screw, and the worm is meshed with the worm wheel.

[0010] As a preferred implementation, a stopper is fixedly connected to the end of the bidirectional screw.

[0011] As a preferred implementation, both sides of the positioning column are fixedly connected to limiting blocks, and the limiting blocks are slidably connected to the sliding inner wall of the sliding groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The liquid static pressure type numerical control horizontal axis circular table surface grinder, through the arrangement of the baffle plate, the insert block, the positioning groove, the slot, the slide groove, the bidirectional screw, the driving member and the positioning column, when the grinding wheel needs to be replaced, it is only necessary to turn the knob to make the knob drive the worm to rotate, the worm to drive the worm wheel to rotate, the worm wheel to drive the bidirectional screw to rotate, the bidirectional screw to drive the positioning column to move out of the positioning groove, the baffle plate can be opened, and then the grinding wheel can be taken out from the output shaft, so that the grinding wheel can be replaced conveniently;

[0014] The liquid static pressure type CNC horizontal axis circular table surface grinder, through the arrangement of the baffle plate, the shaft seat and the ball bearing, when the baffle plate is closed, the shaft seat can limit the grinding wheel, and the ball bearing can reduce the friction between the shaft seat and the grinding wheel, thereby ensuring the stability of the grinding wheel rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the grinding wheel cover of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the grinding wheel cover of the present utility model;

[0018] Figure 4 The utility model is a schematic diagram of the cross-sectional structure of the grinding wheel cover of the insert block.

[0019] In the figure: 1. machine body; 2. machine head; 3. grinding wheel cover; 4. output shaft; 5. grinding wheel; 6. baffle; 7. shaft seat; 8. insert block; 9. positioning groove; 10. slot; 11. slide groove; 12. bidirectional screw; 13. driving part; 131. knob; 132. worm; 133. worm wheel; 14. positioning column; 15. key block; 16. keyway; 17. ball; 18. stop block; 19. limit block. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the embodiments.

[0021] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0022] See also Figure 1-4 The utility model provides a liquid static pressure CNC horizontal spindle circular table surface grinder, comprising a machine body 1 and a machine head 2 arranged on the machine body 1, one end of the machine head 2 is fixedly connected with a grinding wheel cover 3, an output shaft 4 of the machine head 2 passes through the grinding wheel cover 3 and is set with a detachable grinding wheel 5, a key block 15 is provided on the surface of the output shaft 4, and a key groove 16 matched with the key block 15 is opened in the center hole of the grinding wheel 5. Through the cooperation of the key block 15 and the key groove 16, the grinding wheel 5 can be sleeved on the output shaft 4, so that the output shaft 4 drives the grinding wheel 5 to rotate, and the workpiece is ground.

[0023] A baffle plate 6 is hinged on one side of the grinding wheel cover 3, and a shaft seat 7 is fixedly connected to the inner surface of the baffle plate 6. One end of the output shaft 4 is rotatably inserted into the shaft seat 7. A plurality of balls 17 are arranged between the shaft seat 7 and the grinding wheel 5. Through the arrangement of the baffle plate 6, the shaft seat 7 and the balls 17, when the baffle plate 6 is closed, the shaft seat 7 can limit the grinding wheel 5. At the same time, the balls 17 can reduce the friction between the shaft seat 7 and the grinding wheel 5, thereby ensuring the stability of the rotation of the grinding wheel 5.

[0024] One end of the baffle 6 is fixedly connected with an insert block 8, one side of the insert block 8 is provided with a positioning groove 9, one end of the grinding wheel cover 3 is provided with a slot 10, one side of the slot 10 is provided with a slide groove 11, a bidirectional screw 12 is rotatably connected in the slide groove 11, and the middle of the bidirectional screw 12 is connected with a driving member 13, the driving member 13 includes a knob 131 provided on one side of the grinding wheel cover 3, a worm 132 fixedly connected to the knob 131, and a worm wheel 133 fixedly connected to the middle of the bidirectional screw 12, the worm 132 is meshed with the worm wheel 133, and both ends of the bidirectional screw 12 are screwed The groove is connected with a positioning column 14. Through the arrangement of the baffle plate 6, the plug block 8, the positioning groove 9, the slot 10, the slide groove 11, the bidirectional screw 12, the driving member 13 and the positioning column 14, when the grinding wheel 5 needs to be replaced, it is only necessary to rotate the knob 131, so that the knob 131 drives the worm 132 to rotate, and the worm 132 drives the worm wheel 133 to rotate, and the worm wheel 133 drives the bidirectional screw 12 to rotate, so that the bidirectional screw 12 drives the positioning column 14 to move out of the positioning groove 9, and then the baffle plate 6 can be opened, and then the grinding wheel 5 is taken out from the output shaft 4, so that the replacement of the grinding wheel 5 is convenient.

[0025] Among them, a stop block 18 is fixedly connected to the end of the bidirectional screw 12, and the stop block 18 can prevent the positioning column 14 from being separated from the bidirectional screw 12. The two sides of the positioning column 14 are fixedly connected with limiting blocks 19, and the limiting blocks 19 are slidably connected to the sliding inner wall of the slide groove 11. The limiting blocks 19 can play a limiting role on the positioning column 14.

[0026] The working principle and use process of the utility model are as follows: first, through the arrangement of the baffle 6, the insert block 8, the positioning groove 9, the slot 10, the slide groove 11, the bidirectional screw 12, the drive member 13 and the positioning column 14, when the grinding wheel 5 needs to be replaced, it is only necessary to rotate the knob 131 so that the knob 131 drives the worm 132 to rotate, so that the worm 132 drives the worm wheel 133 to rotate, so that the worm wheel 133 drives the bidirectional screw 12 to rotate, so that the bidirectional screw 12 drives the positioning column 14 to move out of the positioning groove 9, and then the baffle 6 can be opened, and then the grinding wheel 5 is taken out from the output shaft 4, so as to facilitate the replacement of the grinding wheel 5.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydrostatic CNC horizontal-spindle cylindrical surface grinder, comprising a machine body (1) and a machine head (2) disposed on the machine body (1), characterized in that: One end of the machine head (2) is fixedly connected to a grinding wheel cover (3), the output shaft (4) of the machine head (2) penetrates into the grinding wheel cover (3) and is provided with a detachable grinding wheel (5), one side of the grinding wheel cover (3) is hinged with a baffle (6), the inner surface of the baffle (6) is fixedly connected to a shaft seat (7), one end of the output shaft (4) is rotatably plugged into the shaft seat (7), one end of the baffle (6) is fixedly connected to an insert block (8), one side of the insert block (8) is provided with a positioning groove (9), one end of the grinding wheel cover (3) is provided with a slot (10), one side of the slot (10) is provided with a slide groove (11), a bidirectional screw (12) is rotatably connected in the slide groove (11), the middle part of the bidirectional screw (12) is connected to a driving member (13), and both ends of the bidirectional screw (12) are threadedly connected to positioning columns (14).

2. The hydrostatic CNC horizontal spindle rotary table surface grinder according to claim 1, characterized in that: A key block (15) is provided on the surface of the output shaft (4), and a key groove (16) matching the key block (15) is provided in the center hole of the grinding wheel (5).

3. The hydrostatic CNC horizontal spindle rotary table surface grinder according to claim 1, characterized in that: A plurality of balls (17) are arranged between the shaft seat (7) and the grinding wheel (5).

4. The hydrostatic CNC horizontal spindle rotary table surface grinder according to claim 1, characterized in that: The driving member (13) comprises a knob (131) disposed on one side of the grinding wheel cover (3), a worm (132) fixedly connected to the knob (131), and a worm wheel (133) fixedly connected to the middle of the bidirectional screw (12), wherein the worm (132) meshes with the worm wheel (133).

5. The hydrostatic CNC horizontal spindle rotary table surface grinder according to claim 1, characterized in that: A stopper (18) is fixedly connected to the end of the bidirectional screw (12).

6. The hydrostatic CNC horizontal spindle rotary table surface grinder according to claim 1, characterized in that: Both sides of the positioning column (14) are fixedly connected to limit blocks (19), and the limit blocks (19) are slidably connected to the sliding inner wall of the sliding groove (11).

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