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CN-224223588-U - Eccentric wheel mechanism for adjusting grinding formation of central hole grinding machine

CN224223588UCN 224223588 UCN224223588 UCN 224223588UCN-224223588-U

Abstract

The utility model relates to the field of center grinding machines, in particular to an eccentric wheel mechanism for grinding and forming adjustment, which comprises a grinding machine frame, wherein a guide rail is vertically arranged on the front side surface of the grinding machine frame, a tailstock device is in sliding fit with the bottom of the guide rail, a three-center clamping unit is in sliding fit with the guide rail, a cross beam is transversely arranged on the front side surface of the grinding machine frame and is positioned above the guide rail, a sliding block is transversely in sliding fit with the cross beam, a rotary disc guide rail is arranged on the sliding block, a rotary disc sliding seat is in sliding fit with the rotary disc guide rail, and a grinding head part is arranged on the rotary disc sliding seat.

Inventors

  • GAO YUAN
  • XU FENG
  • SHAO HONGWEI
  • LI CHENYAO

Assignees

  • 常州德进自动化设备有限公司

Dates

Publication Date
20260512
Application Date
20250603

Claims (7)

  1. 1. The utility model provides a centre bore grinding machine is used for grinding and forms eccentric wheel mechanism of adjustment, includes grinding machine frame (01), its characterized in that, vertically be provided with guide rail (02) on grinding machine frame (01) front side surface, guide rail (02) bottom sliding fit has tailstock device (03), and on guide rail (02) and lie in tailstock device (03) top sliding fit have three top clamping unit (04), grinding machine frame (01) front side surface lie in the top of guide rail (02) transversely be provided with crossbeam (010), transversely sliding fit has first slider (011) on crossbeam (010), install rotary disk guide rail (012) on first slider (011), sliding fit has rotary disk sliding seat (013) on rotary disk guide rail (012), install bistrique part (05) on rotary disk sliding seat (013); The grinding machine is characterized in that a screw rod mechanism (014) is rotatably arranged in the frame body of the grinding machine frame (01) and located on the back of the cross beam (010), a spline shaft mechanism (015) is arranged below the screw rod mechanism (014) in a rotating fit mode, a motor (1) is arranged on a plate body located on one side of the spline shaft mechanism (015) in the frame body of the grinding machine frame (01), and an eccentric wheel adjusting mechanism (06) is arranged at the output end of the motor (1).
  2. 2. The center hole grinding machine for grinding to form an adjusted eccentric wheel mechanism according to claim 1, wherein the eccentric wheel adjusting mechanism (06) comprises an eccentric wheel assembly (3) and a connecting rod (4), the eccentric wheel assembly (3) is assembled on the output end of the motor (1), one end rod body of the connecting rod (4) is slidably matched on the eccentric wheel assembly (3), and the other end of the connecting rod is rotatably connected on the spline shaft mechanism (015).
  3. 3. The eccentric wheel mechanism for grinding and forming adjustment according to claim 1, wherein a mounting groove (013) is formed in the bottom of the rotary disc sliding seat (013), a chain adjusting mechanism (2) is connected to the mounting groove (0131), a movable hole (0121) is formed in the middle of the rotary disc guide rail (012), the movable hole (0121) is used for enabling the chain adjusting mechanism (2) to move, a first sprocket wheel (0122) is arranged in the movable hole (0121) in a rotating mode, and the first sprocket wheel (0122) is matched with the chain adjusting mechanism (2) for transmission.
  4. 4. The eccentric wheel mechanism for grinding adjustment according to claim 1, characterized in that a second sprocket wheel (0152) is rotatably arranged on the shaft body of the spline shaft mechanism (015) on the same plane with the first sprocket wheel (0122), the second sprocket wheel (0152) is used for being matched with the chain adjusting mechanism (2) for transmission, a connecting disc (0151) is arranged on one side of the shaft body of the spline shaft mechanism (015) on the second sprocket wheel (0152), and the connecting disc (0151) is used for being connected with the connecting rod (4).
  5. 5. The eccentric wheel mechanism for grinding adjustment according to claim 4, wherein the chain adjusting mechanism (2) comprises a second chain (23), one end of the second chain (23) is provided with a sliding seat connector (232) for being installed at the installation groove (0131), the other end of the second chain (23) is connected with a shaft sleeve (231), a bearing rotating head (211) is rotatably arranged in the shaft sleeve (231), and one end, far away from the second chain (23), of the bearing rotating head (211) is connected with a first chain (21).
  6. 6. The eccentric wheel mechanism for grinding adjustment according to claim 5, wherein the second chain (23) is meshed with the tooth form of the first sprocket (0122), the first chain (21) is meshed with the tooth form of the second sprocket (0152), the other end of the first chain (21) away from the bearing rotating head (211) is connected with a balancing weight (22), and the balancing weight (22) is suspended below the second sprocket (0152).
  7. 7. The eccentric wheel mechanism for grinding and forming adjustment according to claim 2, wherein the eccentric wheel assembly (3) comprises a connecting shaft (31), one end shaft body of the connecting shaft (31) is assembled and connected to the output end of the motor (1), a second sliding block (32) is sleeved on the other end shaft body of the connecting shaft (31), an eccentric wheel (33) is slidingly matched on the second sliding block (32), a sliding cavity (331) for sliding matching of the second sliding block (32) is formed in the eccentric wheel (33), a bearing (34) is sleeved on the outer wall of the eccentric wheel (33), a mounting ring (35) is sleeved outside the bearing (34), a sliding hole (351) is formed in the outer wall of the mounting ring (35), and the connecting rod (4) is slidingly matched at the sliding hole (351).

Description

Eccentric wheel mechanism for adjusting grinding formation of central hole grinding machine Technical Field The utility model relates to the technical field of center grinding machines, in particular to an eccentric wheel mechanism for adjusting grinding formation of a center hole grinding machine. Background The existing machining mode of the center hole mainly comprises two modes, namely, scraping and grinding the center hole through a multi-edge center and a center, wherein the mode enables the center hole to be low in machining precision, low in success rate, time-consuming, labor-consuming and low in working efficiency, the center hole is machined through a center hole grinding machine, the grinding head part of the existing center hole grinding machine also depends on mechanical transmission in machining, the adjusting precision is insufficient, and fine adjustment in high-precision machining is difficult to meet. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a central hole grinding machine for grinding an eccentric wheel mechanism with an adjustment function. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The eccentric wheel mechanism comprises a grinding machine frame, wherein a guide rail is vertically arranged on the front side surface of the grinding machine frame, a tailstock device is in sliding fit with the bottom of the guide rail, a three-center clamping unit is in sliding fit with the guide rail and is positioned above the tailstock device, a cross beam is transversely arranged on the front side surface of the grinding machine frame and is transversely provided with a first sliding block in sliding fit with the cross beam, a rotary disc guide rail is arranged on the first sliding block, a rotary disc sliding seat is in sliding fit with the rotary disc guide rail, and a grinding head part is arranged on the rotary disc sliding seat; The grinding machine frame comprises a machine frame body, a cross beam, a screw rod mechanism, a spline shaft mechanism, a motor, an eccentric wheel adjusting mechanism, a motor output end, a motor and a motor. In addition, the preferred structure is that eccentric wheel adjustment mechanism includes eccentric wheel subassembly, connecting rod, and the eccentric wheel subassembly is assembled on the motor output, and connecting rod one end body of rod sliding fit is on the eccentric wheel subassembly, and the other end rotates to be connected on spline shaft mechanism. In addition, the preferred structure is that the rotary disc sliding seat bottom is provided with the mounting groove, and mounting groove department is connected with chain adjustment mechanism, and the movable hole has been seted up at rotary disc guide rail middle part, and the movable hole is used for chain adjustment mechanism activity, and the movable hole rotation is provided with first sprocket, and first sprocket cooperation chain adjustment mechanism transmission. In addition, the preferred structure is, be located on the axis body of spline shaft mechanism and rotate on the coplanar with first sprocket and be provided with the second sprocket, the second sprocket is used for cooperating chain adjustment mechanism transmission, is provided with the connection pad on the axis body of spline shaft mechanism and is located one side of second sprocket, the connection pad is used for being connected with the connecting rod. In addition, the preferred structure is, chain adjustment mechanism includes the second chain, and second chain one end is provided with the sliding seat connector that is used for installing in mounting groove department, and the second chain other end is connected with the axle sleeve, and the inside rotation of axle sleeve is provided with the bearing and rotates the head, and the one end that the second chain was kept away from to the bearing rotates the head is connected with first chain. In addition, the preferable structure is, the profile of tooth of second chain and first sprocket meshes mutually, and first chain meshes mutually with the profile of tooth of second sprocket, and the other end that the bearing rotation head was kept away from to first chain is connected with the balancing weight, and the balancing weight is unsettled in the below of second sprocket. In addition, the preferred structure is, eccentric wheel subassembly includes the connecting axle, and connecting axle one end axis body assembly connection is on the motor output, and the cover is equipped with the second slider on the other end axis body of connecting axle, and sliding fit has the eccentric wheel on the second slider, has offered the sliding chamber that is used for second slider sliding fit on the eccentric wheel, and eccentric wheel outer wall department cover is equipped with the bearing, and the outside cover of bearing is equipped with the retainer plate, has offered t