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CN-224222841-U - Clamping conveying wheel set and conveying device for conveying bar stock

CN224222841UCN 224222841 UCN224222841 UCN 224222841UCN-224222841-U

Abstract

The utility model discloses a clamping conveying wheel set and a conveying device for conveying bar stocks, and belongs to the technical field of valve processing equipment. The wheel set comprises a driving wheel and a pressing wheel, wherein the driving wheel comprises a rotating shaft which is arranged along the left and right directions and a roller, a pressing plate and a fixed cover which are sequentially arranged on the rotating shaft, the roller, the pressing plate and the fixed cover are coaxially arranged with the rotating shaft, the roller is rotatably arranged on the rotating shaft, one side of the roller, which is close to the pressing plate, is a rough surface, the fixed cover is fixed on the rotating shaft, the pressing plate can only move along the direction of the rotating shaft, a friction disc is coaxially fixed on one side of the roller, which is close to the roller, a plurality of springs are arranged between one side, which is far away from the roller, and the fixed cover so as to press the friction disc on the rough surface of the roller, the springs are uniformly distributed along the left and right directions, the rotating shaft drives the roller to rotate through the friction disc when a bar is conveyed, and when the bar cannot be conveyed backwards, the friction force between the roller and the bar is increased, so that the friction disc slides relative to the roller cannot be driven by the rotating shaft.

Inventors

  • SHI JINMING

Assignees

  • 湖北中达智造科技有限公司

Dates

Publication Date
20260512
Application Date
20250526

Claims (10)

  1. 1. The clamping conveying wheel set for conveying bars comprises a driving wheel (2) and a pressing wheel (3) which are arranged side by side up and down, wherein the driving wheel (2) and the pressing wheel (3) are arranged in the left-right direction, V-shaped grooves matched with the bars (1) are formed in the periphery of the driving wheel, the clamping conveying wheel set is characterized in that the driving wheel (2) comprises a rotating shaft (4) arranged in the left-right direction, a roller (5), a pressure plate (7) and a fixed cover (9) which are sequentially arranged on the driving wheel, the roller (5), the pressure plate (7) and the fixed cover (9) are coaxially arranged with the rotating shaft (4), the roller (5) is rotationally arranged on the rotating shaft (4) and one side of the roller (5) close to the pressure plate is a rough surface, the fixed cover (9) is fixed on the rotating shaft (4) only in the direction of the rotating shaft (4), a plurality of springs (8) are coaxially fixed on one side of the roller (5) close to the roller (5) and one side of the roller (6) close to the roller (5) is coaxially fixed with the fixed cover (9) so as to uniformly press the roller (8) around the rotating shaft (4) around the rotating shaft, when the bar (1) cannot be conveyed backwards, friction force between the roller (5) and the bar (1) is increased, the friction disc (6) slides relative to the roller (5), and the roller (5) cannot be driven to rotate by the rotating shaft (4).
  2. 2. The clamping and conveying wheel set for conveying bar stock according to claim 1, characterized in that the middle part of the rotating shaft (4) is coaxially provided with a convex ring (10), one end of the rotating shaft is coaxially provided with a driving wheel (11), the other end of the rotating shaft is provided with a flat end (12), a shaft sleeve (13) is coaxially arranged between the convex ring (10) and the driving wheel (11), the roller (5) is rotatably arranged on the rotating shaft (4) through a bearing (14), one side of the roller (5) close to the pressure plate (7) is coaxially fixed with a bearing cover (15), one end of a center hole of the roller (14) far away from the pressure plate (7) is coaxially provided with an inner baffle ring (16), the inner diameter of the inner baffle ring (16) is larger than the diameter of the convex ring (10), one side of the inner baffle ring (16) close to the pressure plate (7) is flush with one side of the convex ring (10) close to the pressure plate (7), the bearing (14) is arranged between the roller (5) and the rotating shaft (4), one side of the bearing (14) is propped against the convex ring (10) and the inner baffle ring (16), the other side of the bearing cover (15) is propped against the other side of the bearing (14), the bearing (14) is locked on the pressure plate (5) and one side close to the flat surface (7) is opposite to the flat surface (6), the pressing plate (7) and the fixed cover (9) are both arranged on the flat end (12), and the central hole of the pressing plate (7) is a drum-shaped hole matched with the flat end (12).
  3. 3. The clamping and conveying wheel set for conveying bar stocks according to claim 2, characterized in that the friction disc (6), the pressure disc (7), the fixed cover (9) and the bearing cover (15) are all circular rings coaxially arranged with the rotating shaft (4), the inner diameters of the friction disc (6) and the bearing cover (15) are larger than the diameter of the rotating shaft (4), the pressure disc (7) is in clearance fit with the flat end (12), and a circular groove for installing the friction disc (6) is coaxially arranged on one side of the pressure disc, which is close to the roller (5).
  4. 4. The clamping conveying wheel set for conveying bar stock according to claim 2, wherein a plurality of spring mounting grooves (91) for mounting the springs (8) are formed in one side of the fixed cover (9) close to the roller (5), the spring mounting grooves (91) are arranged in the left-right direction and are round holes matched with the springs (8), and one end of each spring (8) is located in each spring mounting groove (91).
  5. 5. The clamping and conveying wheel set for conveying bar stock according to claim 4, wherein the fixed cover (9) is arranged on the flat end (12) in a left-right adjustable way, is in threaded connection with the flat end (12), and is provided with N groups of locking pairs on one side far away from the pressure plate (7), wherein each group of locking pairs comprises 2 bolt holes (92) symmetrically arranged by a rotating shaft (4), and the 2N bolt holes (92) are uniformly distributed around the rotating shaft (4) and are positioned on the same circle concentric with the rotating shaft (4); The clamping conveying wheel set further comprises a locking piece (17), the locking piece (17) comprises a locking plate (71), a locking bolt (72) and two bolts (73) fixedly connected with two ends of the locking plate (71), the locking plate (71) is arranged along the radial direction of a rotating shaft (4), a convex key (74) is arranged on one side, close to the flat end (12), of the locking plate along the direction of the locking plate, a through hole (75) for the locking bolt (72) to pass through is formed in the middle of the end of the flat end (12), a screw hole matched with the locking bolt (72) is coaxially formed in the center of the end of the flat end (12), a key groove (18) matched with the convex key (74) is formed in the center of the end of the flat end, the convex key (74) is embedded into the key groove (18), the locking bolt (72) and the bolts (73) are arranged on one side, close to the rotating shaft (4), of the locking bolt (72) and the locking screw hole are in threaded connection with the locking bolt (72) to lock the locking plate (71) on the flat end (12), and the two bolts (73) are symmetrically arranged in a pair of two bolts (92) respectively.
  6. 6. The clamping and conveying wheel set for conveying bar stocks according to claim 5, wherein the number of the springs (8) is 3, an included angle between every two adjacent springs (8) is 120 degrees, the number of the bolt holes (92) is 6, an included angle between every two adjacent bolt holes (92) is 60 degrees, and the springs (8) and the bolt holes (92) are staggered.
  7. 7. The conveying device for conveying the bar stock comprises a frame (21), a driving structure (22) and two lifting plates (23), wherein the two lifting plates (23) are respectively arranged at the upper part and the lower part of the frame (21) and can synchronously move towards each other or away from each other, the conveying device is characterized by further comprising M clamping conveying wheel pairs (24) according to any one of claims 1-6, the M clamping conveying wheel pairs (24) are arranged in parallel front and back, driving wheels (2) and pressing wheels (3) of the M clamping conveying wheel pairs are respectively arranged on the two lifting plates (23), and the driving structure (22) is used for synchronously driving the M driving wheels (2) and is positioned on the same lifting plate (23) with the driving wheels (2).
  8. 8. The device according to claim 7, characterized in that it further comprises M-1 ducts (25) for the bars (1) to pass through, M-1 ducts (25) and M pairs of gripping and conveying wheels (24) being arranged alternately, said ducts (25) being arranged in a front-rear direction, coaxially outside the bars (1), fixed on the frame (21), between the two lifting plates (23).
  9. 9. The device according to claim 8, characterized in that the number of gripping conveyor wheel pairs (24) is two and the number of conduits (25) is one.
  10. 10. The device according to claim 8, characterized in that M driving wheels (2) are arranged in front of and behind each other on an upper lifting plate (23), and M pressing wheels (3) are arranged in front of and behind each other on a lower lifting plate (23); The device further comprises a rack synchronization structure (28), an air cylinder (27), a wheel type meter (29), a supporting wheel (30) and two sliding rails (26), wherein the two sliding rails (26) are arranged on the frame (21) in a front-back side-by-side mode, the front-back ends of the lifting plates (23) are respectively arranged on the two sliding rails (26) in a sliding mode, the air cylinder (27) is vertically arranged between the lifting plates (23) below and the frame (21), the air cylinder is arranged between the two sliding rails (26) and is used for driving the lifting plates (23) below to slide up and down, the rack synchronization structure (28) is arranged between the two lifting plates (23) and is arranged on one side, far away from the clamping conveying wheel pair (24), of the lifting plates (23) and is used for enabling the two lifting plates (23) to move in a synchronous opposite or opposite mode, the wheel type meter (29) and the supporting wheel (30) are respectively arranged on the lifting plates (23) above and the lifting plates (23) below respectively, and the supporting wheel type meter (30) is arranged on the lifting plates (23) below, and the supporting wheel type meter (30) is arranged right-side of the meter (30).

Description

Clamping conveying wheel set and conveying device for conveying bar stock Technical Field The utility model belongs to the technical field of valve machining equipment, and particularly relates to a clamping conveying wheel set and a conveying device for conveying bar stocks. Background The engine valve is specially responsible for inputting air into the engine and discharging combusted exhaust gas, and can be usually processed by bar stock. The actual processing process comprises the steps of straightening the reinforcing steel bars, cutting into valve blanks (particularly long bar materials, such as length is more than 2 m), polishing the peripheral surface of the long bar materials through a centerless grinder, detecting (such as flaw detection) to be qualified, cutting into short bar materials with proper lengths, and preparing the valve by the short bar materials. In cutting bar stock, a bar stock transfer device is required to deliver the bar stock to the cutting device. The utility model discloses a bar shearing mechanism, including single feeding mechanism, measurement and clamp feeding mechanism, centre gripping shearing mechanism and the discharge mechanism that are located same straight line in proper order, centre gripping shearing mechanism includes movable knife, quiet sword, first clamping device and second clamping device, and movable knife is fixed on the blade holder, and the blade holder passes through the connecting plate to be fixed on the punch press body, is provided with the sensor on the discharge mechanism, and first clamping device includes the compaction cylinder, L type supporting shoe, the L type supporting shoe that connect gradually, The second clamping device comprises a jacking cylinder, a pressing block, a second clamping device, a first clamping device and a second clamping device, wherein the pressing cylinder is fixed above the cylinder fixing seat and is connected with the controller, the intersection of the L-shaped supporting block cross arm and the longitudinal arm is hinged to the cylinder fixing seat, the end part of the L-shaped supporting block longitudinal arm is hinged to a piston rod of the pressing cylinder, the two ends of the connecting rod are respectively connected with the end part of the L-shaped supporting block cross arm and one end part of the rocker arm, the two ends of the connecting rod are respectively positioned at two sides of the L-shaped supporting block longitudinal arm, the other end of the rocker arm is hinged to the cylinder fixing seat, the middle part of the rocker arm is provided with the pressing block, the corresponding position on the cylinder fixing seat is provided with a cushion block, when the pressing cylinder contracts, the intersection of the L-shaped supporting block cross arm and the longitudinal arm and the connecting rod form a self-locking structure in a straight line, and the pressing block is close to the cushion block to clamp a bar A cylindrical connecting block, The cylinder fixing seat is provided with a cylinder fixing seat, a cylinder connecting block is fixed at one end of the cylinder fixing seat, a spring is arranged between the cylinder connecting block and the cylinder fixing seat, the cylinder connecting block and the cylinder connecting block are respectively positioned on two corresponding side surfaces of the cylinder fixing seat, a spherical concave block is arranged on the side surface of the cylinder connecting block, which is far away from the cylinder fixing seat, a spherical joint matched with the spherical concave block is arranged at the end part of a piston rod of the jacking cylinder, the jacking cylinder is propped against the cylinder connecting block through the spherical joint and the spherical concave block, a mounting seat is arranged at the other end of the cylinder penetrating through the cylinder fixing seat, a jacking block is arranged in the middle position of the mounting seat, the jacking block is parallel to the working surface of the cushion block and is fixedly provided with a static knife, the static knife is fixed on the cylinder fixing seat through a connecting plate, the jacking block corresponds to a movable knife, the jacking cylinder is pushed to shrink through the jacking block when the movable knife is sheared forwards, the jacking cylinder is compressed through the jacking block, And when in shearing, the first clamping device and the second clamping device clamp the bar, and the movable knife and the static knife are in a scissor shape to shear the bar between the first clamping device and the second clamping device. The measuring and clamping feeding mechanism comprises a measuring device, The device comprises a clamping device and a guiding device, wherein the measuring device comprises an encoder and a first roller matched with the encoder, a bar moves forwards between the encoder and the first roller, the clamping device comprises a pressing wheel and