Floating type shaft sleeve connecting structure matched with spline shaft

Abstract

A floating type shaft sleeve connecting structure matched with a spline shaft comprises a floating disc, a power disc, a synchronizing wheel and a sliding seat. The floating disc is of a shaft sleeve structure with a flange at one end, an inner spline hole is formed in the inner wall of the shaft sleeve, the floating disc is assembled with the spline shaft through the inner spline hole, a set of through holes distributed in the circumferential direction are formed in the flange of the floating disc, rubber sleeves are assembled in the through holes, and the floating disc is flexibly connected with the power disc through bolts penetrating through the rubber sleeves. The power disc is further fixedly assembled with the synchronizing wheel, spline shaft via holes are formed in the center of the power disc and the center of the synchronizing wheel, and the spline shaft is sleeved with the power disc and the synchronizing wheel through the spline shaft via holes. The synchronous wheel is further assembled with the sliding seat in a pivoted mode, the synchronous wheel is of a tooth-shaped roller structure, and the tooth-shaped roller drives a conveying belt wheel installed on the sliding seat to operate through a tooth-shaped belt. According to the utility model, the stable operation of the conveyor belt is realized, the position adjustment requirement of the conveyor belt is met, and the purposes of ensuring the workpiece transmission reliability and reducing the machine operation noise are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing machinery technical field, concretely for a kind of floating type shaft sleeve connecting structure matched with spline shaft for carton production equipment. BACKGROUND

[0002] Full-automatic carton side sealing equipment (including box sticking machine, box nailing machine) is the mechanical equipment that is continuously automated from paperboard feeding, deviation correction, positioning, pressurizing, sealing to counting and discharging process, it is favored by carton production enterprises with the advantages of high work efficiency, good product quality, reducing labor cost, less space occupation, with good market development prospect.

[0003] In the working process of full-automatic carton side sealing equipment, workpiece transmission adopts belt conveying mode, a group of conveyors are driven to run synchronously by transmission shafts installed at left and right wallboards through motor, and the position of conveyors is adjusted for workpieces of different sizes, conveyor wheels are installed on sliding seats, and the position of conveyors can be adjusted by moving sliding seats left and right on transmission shafts. However, when the model width of full-automatic carton side sealing equipment is wide, the large-span transmission shafts will inevitably be slightly bent and deformed due to the large distance between left and right wallboards, so that the radial runout of conveyor wheels is generated, which not only affects the consistency of the operation of conveyors and reduces the stability of workpiece conveying, but also causes the problem of large noise during machine operation, and the deformation of transmission shafts may cause the assembly of sliding seats and transmission shafts to be stuck, so that the position of conveyors cannot be adjusted. UTILITY MODEL CONTENTS

[0004] The utility model provides a floating type shaft sleeve connecting structure matched with spline shaft, which aims to realize stable operation of conveyors and meet the position adjustment requirements by optimizing the assembly structure of spline shaft, floating disc, rubber sleeve, power disc, synchronous wheel and sliding seat, so as to ensure the reliability of workpiece transmission and reduce the noise of machine operation.

[0005] To achieve the above-mentioned purposes, the utility model adopts the following technical solutions:

[0006] A floating type shaft sleeve connecting structure matched with spline shaft, comprising a floating disc, a power disc, a synchronous wheel and a sliding seat.

[0007] The floating disc is a shaft sleeve structure with a flange at one end, the inner wall of the shaft sleeve is an internal spline hole, the floating disc is assembled with the spline shaft through the internal spline hole, a group of through holes are arranged on the flange of the floating disc in the circumferential direction, a rubber sleeve is matched in the through hole, and the floating disc is flexibly connected with the power disc through bolts passing through the rubber sleeve.

[0008] The power disc is also fixedly assembled with a synchronous wheel, and a spline shaft through hole is arranged at the center of the power disc and the synchronous wheel, the diameter of the spline shaft through hole is larger than the outer diameter of the spline shaft, and the power disc and the synchronous wheel are sleeved outside the spline shaft through the spline shaft through hole;

[0009] The synchronous wheel is also pivotally assembled with the sliding seat, the synchronous wheel is a toothed roller structure, the toothed roller is driven to rotate by a toothed belt matched therewith, and the transmission belt wheel is installed on the sliding seat.

[0010] The floating type sleeve connecting structure matched with the spline shaft, the sliding seat is driven to move left and right along the sliding track by a screw rod and nut transmission mechanism.

[0011] The floating type sleeve connecting structure matched with the spline shaft, the rubber sleeve is a split type structure, and comprises a group of stepped tubular sleeves, and the small diameter end of the sleeve is embedded in the through hole on the flange of the floating disc.

[0012] The floating type sleeve connecting structure matched with the spline shaft, the rubber sleeve is a whole rubber pad structure, a group of bosses embedded in the through hole of the floating disc are arranged on the rubber pad, and bolt through holes are arranged in each group of bosses.

[0013] The floating type sleeve connecting structure matched with the spline shaft, a bearing seat is further arranged, the bearing seat is fixedly assembled with the sliding seat, and the synchronous wheel is pivotally assembled with the sliding seat through the bearing seat.

[0014] The floating type sleeve connecting structure matched with the spline shaft, a flexible connecting structure is arranged between the floating disc and the power disc, after slight bending deformation of the spline shaft, the offset of the floating disc caused by the deformation of the spline shaft is compensated by the elastic deformation of the rubber sleeve, the power disc connected with the floating disc is kept in a stable running state, the radial runout of the synchronous wheel fixedly assembled with the power disc is eliminated, the stable operation of the transmission belt is ensured, the noise of the machine operation is reduced, and the working environment of the operator is optimized. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the schematic view of the floating type sleeve connecting structure matched with the spline shaft of the utility model;

[0016] Figure 2 is the assembly explosion structure drawing of the bolt, the rubber sleeve, the floating disc, the power disc, the synchronous wheel, the sliding seat, the bearing seat and the spline shaft in the utility model.

[0017] Figure 3 is a schematic view of a split structure rubber sleeve;

[0018] Figure 4 is a schematic view of a whole structure rubber sleeve structure;

[0019] Figure 5 is a K view of Figure 1 ;

[0020] Figure 6 is a schematic view of an A-A cross-sectional structure of Figure 5 ;

[0021] Figure 7 is a schematic view of a B-B cross-sectional structure of Figure 5 ;

[0022] Figure 8 is a schematic view of a C-C cross-sectional structure of Figure 7 .

[0023] Explanation of the reference numerals in the drawings:

[0024] 1 is a motor; 2 is a spline shaft; 3 is a synchronous wheel; 4 is a toothed belt; 5 is a sliding seat; 6 is a bearing seat; 7 is a power disc; 8 is a floating disc, 8-1 is an inner spline hole, 8-2 is a through hole; 9 is a bolt; 10 is a rubber sleeve, 10-1 is a split structure, 10-2 is a whole structure rubber sleeve structure, 10-2-1 is a boss, 10-2-2 is a bolt through hole; 11 is a conveyor belt wheel; 12 is a sliding rail. DETAILED DESCRIPTION

[0025] The utility model will be further described below in combination with the drawings and specific embodiments.

[0026] Referring to FIG. 1, Figure 2 , Figure 5 , Figure 6 , Figure 7 , the utility model provides a floating type shaft sleeve connecting structure with spline shaft cooperation, especially suitable for full-automatic carton side sealing equipment in carton production process, in full-automatic full-automatic carton side sealing equipment, the transmission shaft of workpiece conveying system adopts spline shaft 1, and is matched with it, the floating disc 8 of the utility model is the shaft sleeve structure with the flange at one end, the inner wall of the shaft sleeve is inner spline hole 8-1, the floating disc 8 is assembled with spline shaft 2 through inner spline hole 8-1, in addition, the utility model still is equipped with power disc 7, synchronous wheel 3, sliding seat 5 and bearing seat 6, power disc 7 is connected with floating disc 8 with flexible connecting structure, for this, a group of through holes 8-2 distributed along the circumference is set up on the flange of floating disc 8, and rubber sleeve 10 is matched in through hole 8-2, and floating disc 8 is realized flexible connection with power disc 7 through bolt 9 passing through rubber sleeve 10.

[0027] Referring to Figure 1 , Figure 2 , Figure 5 , Figure 8 The power disc 7 is also fixedly assembled with the synchronous wheel 3, and a spline shaft through hole is arranged at the center part of the power disc 7 and the synchronous wheel 3, the diameter size of the spline shaft through hole is greater than the outer diameter size of the spline shaft 2, and the power disc 7 and the synchronous wheel 3 are sleeved outside the spline shaft 2 through the spline shaft through hole; the synchronous wheel 3 is a toothed roller structure, the toothed roller is driven to rotate by the transmission belt wheel 11 installed on the sliding seat 5 through the toothed belt 4 matched with the toothed roller, the sliding seat 5 is driven to move left and right along the sliding rail 12 by the screw nut transmission mechanism, so that the position of the transmission belt is adjusted, the bearing seat 6 is fixedly assembled with the sliding seat 5, and the synchronous wheel 3 is pivotally assembled with the sliding seat 5 through the bearing seat 6.

[0028] Referring to Figure 1 , Figure 2 , Figure 3 In the first preferred embodiment of the floating type shaft sleeve connecting structure matched with the spline shaft, the rubber sleeve 10 adopts a split type structure 10-1, a group of stepped pipe-shaped sleeve pipes are included, the small diameter end of the sleeve pipe is embedded in the through hole 8-2 on the flange of the floating disc 8, the split type structure rubber sleeve has good flexibility, and the number of the rubber sleeve 10 can be reasonably selected according to the rigidity of the spline shaft 2.

[0029] Referring to Figure 1 , Figure 2 , Figure 4 In the second preferred embodiment of the floating type shaft sleeve connecting structure matched with the spline shaft, the rubber sleeve 10 adopts an integral type rubber pad structure 10-2, a group of bosses 10-2-1 that can be embedded in the through hole of the floating disc are arranged on the rubber pad, a bolt through hole 10-2-2 is arranged in each group of bosses 10-2-1, the integral type rubber pad structure rubber sleeve can be integrally formed, and the production cost is reduced.

[0030] Referring to Figure 1 , Figure 5The utility model discloses a floating type axle sleeve connecting structure matched with spline shaft, can match the spline shaft 1 of full -automatic carton side face sealing equipment workpiece conveying system, especially when the width of full -automatic carton side face sealing equipment is wide, because the distance between left and right wallboard is big, the bending deformation of large -span spline shaft 1 can be compensated by the elastic deformation of rubber sleeve 10 to the deformation amount of floating disc 8 along with spline shaft 1, thereby eliminating the radial runout of synchronous wheel 3 fixedly assembled with power disc 7, ensuring the stable operation of conveying belt, reducing the noise of machine operation, optimizing the working environment of operator, only floating disc 8 and spline shaft 2 are contact matched mode in the utility model, the spline shaft through -hole diameter size of power disc 7 and synchronous wheel 3 is greater than the outer diameter size of spline shaft 2, because power disc 7, synchronous wheel 3 all do not contact with spline shaft 2, when adjusting the left and right position of conveying belt, the slight bending deformation of spline shaft 1 does not cause the influence of sliding seat 5 movement, in addition, the deformation amount of spline shaft 1 can also be compensated by the elastic deformation of rubber sleeve 10, further avoid the problem that power disc 7, synchronous wheel 3 are stuck with spline shaft 1 due to the deformation of spline shaft 1, thereby improving the work efficiency, reducing the maintenance cost of equipment.

Claims

1. A floating sleeve connection structure matched with a spline shaft, comprising a floating disc (8), a power disc (7), a synchronous wheel (3) and a sliding seat (5); characterized in that: the floating disc (8) is a sleeve structure with a flange at one end, the inner wall of the sleeve is an inner spline hole (8-1), the floating disc (8) is assembled with the spline shaft (2) through the inner spline hole (8-1), a group of through holes (8-2) are arranged on the flange of the floating disc (8) in a circumferential direction, and a rubber sleeve (10) is matched in the through hole (8-2), the floating disc (8) is flexibly connected with the power disc (7) through the bolt (9) passing through the rubber sleeve (10); the power disc (7) is also fixedly assembled with the synchronous wheel (3), spline shaft through holes are arranged at the center parts of the power disc (7) and the synchronous wheel (3), the diameter size of the spline shaft through holes is greater than the outer diameter size of the spline shaft (2), and the power disc (7) and the synchronous wheel (3) are sleeved outside the spline shaft (2) through the spline shaft through holes; the synchronous wheel (3) is also matched with the sliding seat (5) in a pivoted manner, the synchronous wheel (3) is a toothed roller structure, the toothed roller drives the transmission pulley (11) to rotate through the toothed belt (4) matched therewith, and the transmission pulley (11) is installed on the sliding seat (5).

2. The floating bush connection structure that cooperates with the spline shaft according to claim 1, characterized by: The sliding seat (5) moves left and right along the sliding rail (12) under the driving of the additional screw nut transmission mechanism.

3. The floating bush connection structure that cooperates with the spline shaft according to claim 1, characterized by: The rubber sleeve (10) is a split structure (10-1) comprising a group of stepped tubular sleeves, the small-diameter end of the sleeve is embedded in the through hole (8-2) on the flange of the floating disc (8).

4. The floating bush connection structure cooperating with a spline shaft according to claim 3, characterized by: The rubber sleeve (10) is an integral rubber pad structure (10-2), a group of bosses (10-2-1) which can be embedded in the through hole of the floating disc are arranged on the rubber pad, and a bolt through hole (10-2-2) is arranged in each group of bosses (10-2-1).

5. The floating bush connection structure to mate with a spline shaft according to claim 2 or 3, characterized by: A bearing seat (6) is also provided, the bearing seat (6) is fixedly assembled with the sliding seat (5), and the synchronous wheel (3) is pivotally assembled with the sliding seat (5) through the bearing seat (6).

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