Chain type stepping conveying device

Abstract

The utility model relates to the technical field of material conveying, and discloses a chain type stepping conveying device which comprises a supporting frame, two rotating shafts, two chains, four transmission chain wheels, a grooved wheel, a motor, a circular plate, a strip-shaped plate, an adjusting assembly, a transmission assembly and a U-shaped plate. The two rotating shafts are rotationally installed on the supporting frame and are arranged in parallel, the four transmission chain wheels are fixedly arranged on the corresponding rotating shafts in a sleeving mode respectively, the four transmission chain wheels are in transmission connection through the two chains, the two chains are arranged in parallel, the motor is arranged on the supporting frame, and the portion, close to the motor, of the rotating shaft is fixedly sleeved with the geneva wheel. The axle housing conveying device has the following advantages and effects that the axle housing conveying speed of the chain can be controlled in an intermittent stepping conveying mode, and meanwhile the single-time stepping conveying distance can be adjusted according to needs; the device can well adapt to the situation that the axle housing is prone to remaining due to the fact that axle housing machining time of different devices is different.

Description

TECHNICAL FIELD

[0001] The utility model relates to material conveying technical field, especially chain type stepping conveying device. BACKGROUND

[0002] In today's industrial production and logistics transportation field, the conveying operation of large parts such as axle housing has strict requirements on the stability, conveying accuracy and adaptability of the equipment. When the traditional conveying device faces the workpiece such as axle housing with large self-weight and irregular structure, many shortcomings are exposed.

[0003] On the one hand, the conventional conveying chain is supported by the chain wheels at both ends, and when carrying heavy axle housing, it is easy to deform due to uneven stress. The deformation of the chain not only reduces the conveying efficiency, but also causes the equipment failure rate to soar due to frequent jamming, seriously affecting the production continuity, greatly increasing the maintenance cost and downtime, and cannot meet the pursuit of stability and reliability in modern high-efficiency production. On the other hand, most existing conveying equipment uses the method of frequently starting and stopping the motor to control the intermittent conveying operation of the chain on the axle housing in order to adapt to the different processing time of the axle housing by different equipment and to ensure that the axle housing is not left. Or through frequent adjustment of the speed of the motor, the frequent starting and stopping of the motor and the frequent adjustment of the speed in this conveying method will affect the service life of the motor. Moreover, although the intermittent stepping conveying effect can be achieved by using a stepping motor or a servo motor to provide driving, the overall cost of the equipment will be increased, the material flow link will be not smooth, the overall production efficiency will be restricted, and the resources will be wasted.

[0004] To overcome the above-mentioned problems, the utility model provides a chain type stepping conveying device.

[0005] The information disclosed in the background section of this document is intended only to provide an overall background of the utility model and should not be considered as admitting or in any form suggesting that this information constitutes prior art of those known to the person of ordinary skill in the art. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims to provide a chain type stepping conveying device which can control the speed of the chain conveying the axle housing through intermittent stepping conveying of the axle housing, can adjust the distance of single stepping conveying according to the needs, and can well adapt to the situation that the axle housing is left due to different processing time of the axle housing by different equipment.

[0007] The technical purpose is achieved by the following technical scheme: a chain type stepping conveying device, comprising a supporting frame, two rotating shafts, two chains, four transmission sprockets, a grooved wheel, a motor, a circular plate, a strip-shaped plate, an adjusting assembly, a transmission assembly and a U-shaped plate.

[0008] Both rotating shafts are rotatably installed on the supporting frame and are arranged in parallel with each other, the four transmission sprockets are fixedly sleeved on the corresponding rotating shafts, the four transmission sprockets are transmissionally connected through the two chains, and the two chains are arranged in parallel with each other.

[0009] The adjusting assembly comprises two lead screws, the strip-shaped opening is rotatably installed with the two lead screws arranged in parallel with each other, and the two lead screws are threadedly connected with the sliding block.

[0010] By adopting the above technical scheme, the sliding block can be controlled to slide in the strip-shaped opening when the lead screw rotates, so that the distance between the roller and the sliding block can be adjusted, and the single conveying distance of the chain can be adjusted without changing the rotating speed of the motor.

[0011] The further setting of the utility model is that the screw thread directions of the two lead screws are opposite.

[0012] By adopting the above technical scheme, the sliding block can be controlled to slide in the strip-shaped opening when the lead screw rotates, so that the distance between the roller and the sliding block can be adjusted, and the single conveying distance of the chain can be adjusted without changing the rotating speed of the motor.

[0013] The further setting of the utility model is that the transmission assembly comprises a hollow rod and two transmission gears, both lead screws extend into the U-shaped plate, the hollow rod is movably installed on the U-shaped plate, one lead screw is axially slidably connected with the inner wall of the hollow rod, the transmission gears are fixedly sleeved on the hollow rod and the other lead screw, and the two transmission gears are matched.

[0014] By adopting the above technical scheme, the state between the two transmission gears can be adjusted by controlling the hollow rod to axially slide along the lead screw, and when the two transmission gears enter the meshing state, rotating the hollow rod can control the two lead screws to synchronously and reversely rotate, so that the position of the sliding block in the strip-shaped opening can be adjusted.

[0015] The utility model discloses further provide: transmission assembly still include adjusting board and a plurality of reset spring, the sliding installation of adjusting board has in U -shaped board, hollow rod and adjusting board rotatory connection, another screw rod and adjusting board sliding connection, adjusting board and the inner wall of U -shaped board are fixedly installed with a plurality of reset spring.

[0016] By adopting the above technical scheme, the two transmission gears can be controlled to be disengaged when the hollow rod is not operated.

[0017] The utility model discloses further provide: the bottom end of hollow rod extends to the one side of U -shaped board away from the strip -shaped board and is fixedly equipped with adjusting wheel.

[0018] By adopting the above technical scheme, the operator can conveniently control the hollow rod to rotate.

[0019] The utility model discloses further provide: the transmission gear of away from hollow rod is fixedly installed with the blocking ring.

[0020] By adopting the above technical scheme, the two transmission gears can be controlled to be disengaged when the hollow rod is not operated.

[0021] The utility model discloses further provide: the rotatory installation of a plurality of support sprocket has on support frame, a plurality of support sprocket respectively with corresponding chain transmission connection, a plurality of support sprocket are located on same horizontal plane.

[0022] By adopting the above technical scheme, the chain can be stably supported, and the stability of the axle housing conveying can be avoided from being affected by the excessive deformation of the chain caused by the self-weight of the axle housing during the conveying operation of the axle housing.

[0023] The utility model discloses further provide: the bottom side fixed mounting of motor has support seat, and support seat and support frame fixed connection.

[0024] By adopting the above technical scheme, the motor can be stably supported.

[0025] The utility model discloses further provide: the inner wall of hollow rod is set with guide groove, and the outside fixed mounting of screw rod on same axis of hollow rod has guide strip, and guide strip and guide groove sliding connection.

[0026] By adopting the above technical scheme, the hollow rod can be guaranteed to slide along the axial direction of the screw rod, so that the screw rod can be controlled to stably rotate when the hollow rod is rotated by the adjusting wheel.

[0027] The utility model discloses further provide: the inner wall of hollow rod is set with guide groove, and the outside fixed mounting of screw rod on same axis of hollow rod has guide strip, and guide strip and guide groove sliding connection.

[0028] The design of the support frame and the support sprocket can provide stable support for the chain, prevent the chain from deforming due to excessive load, and thus improve the stability and reliability of the conveying device; meanwhile, the intermittent step conveying of the bridge housing can be realized when the motor is working through the cooperation of the groove wheel, the circular plate, the strip plate and other components; and the conveying distance of the chain during each movement can be adjusted when needed through the cooperation of the adjusting assembly and the transmission assembly, thus improving the conveying precision and adaptability; the addition of the adjusting plate and the return spring ensures that the transmission gear can automatically disengage in a non-operating state, prolongs the service life of the equipment, and also avoids the situation that the lead screw is retracted due to vibration and other factors during the operation of the equipment to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0030] Figure 1 A perspective structural schematic view of a chain type step conveying device is provided for the present application.

[0031] Figure 2 A partial perspective structural schematic view of a chain type step conveying device is provided for the present application.

[0032] Figure 3 A partial sectional view structural schematic view of Figure 2 .

[0033] Figure 4 A sectional view structural schematic view of Figure 3 .

[0034] In the drawings, 1 is a support frame; 11 is a rotating shaft; 12 is a transmission sprocket; 13 is a chain; 14 is a support sprocket; 2 is a groove wheel; 21 is a motor; 211 is a support seat; 22 is a circular plate; 23 is a sliding block; 24 is a strip plate; 241 is a roller; 25 is a lead screw; 26 is a U-shaped plate; 261 is an adjusting plate; 27 is a hollow rod; 271 is an adjusting wheel; 28 is a transmission gear; 281 is a retaining ring; 29 is a return spring. DETAILED DESCRIPTION

[0035] The technical solutions of the utility model will be described clearly and completely in connection with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0036] With reference to Figures 1-4 A chain type step conveying device, including support frame 1, two rotating shafts 11, two chains 13, four transmission sprockets 12, a groove wheel 2, a motor 21, a circular plate 22, a strip plate 24 and a U-shaped plate 26, the two rotating shafts 11 are both rotationally installed on the support frame 1 and are arranged in parallel with each other, the four transmission sprockets 12 are respectively fixedly sleeved on the corresponding rotating shafts 11, the four transmission sprockets 12 are drivingly connected through the two chains 13, and the two chains 13 are arranged in parallel with each other, the motor 21 is arranged on the support frame 1, the groove wheel 2 is fixedly sleeved on the rotating shaft 11 close to the motor 21, the circular plate 22 is fixedly installed on the output shaft of the motor 21, and the outer circumferential side of the circular plate 22 is in sliding contact with the groove wheel 2, the front side of the circular plate 22 is fixedly installed with a sliding block 23, a strip-shaped opening is formed in the strip plate 24, and the sliding block 23 is connected with the inner wall of the strip-shaped opening, two lead screws 25 arranged in parallel with each other are rotationally installed in the strip-shaped opening, and the two lead screws 25 are both in threaded connection with the sliding block 23, so that the sliding block 23 can slide in the strip-shaped opening when the lead screw 25 rotates, thereby the distance between the sliding block 23 and the roller 241 can be adjusted, and the single conveying distance of the chain 13 can be adjusted without changing the rotating speed of the motor 21, wherein, in order to avoid the situation that the sliding block 23 automatically slides in the strip-shaped opening due to the back-off of the lead screw 25 caused by vibration and the like generated in the working process of the equipment, the threaded directions of the two lead screws 25 are opposite, and the roller 241 is rotationally installed on one side of the strip plate 24 and is matched with the groove wheel 2.

[0037] The U-shaped plate 26 is fixedly installed on the side of the strip-shaped plate 24 away from the roller 241, both of the lead screws 25 extend into the U-shaped plate 26, the hollow rod 27 is movably installed on the U-shaped plate 26, one of the lead screws 25 is in axial sliding connection with the inner wall of the hollow rod 27, the hollow rod 27 and the other lead screw 25 are both fixedly sleeved with the transmission gears 28, the two transmission gears 28 are adapted to each other and can adjust the state between the two transmission gears 28 by controlling the hollow rod 27 to slide along the lead screw 25, and when the two transmission gears 28 are in meshing state, rotating the hollow rod 27 can control the two lead screws 25 to synchronously and reversely rotate, so as to adjust the position of the sliding block 23 in the strip-shaped port, the adjusting plate 261 is slidably installed in the U-shaped plate 26, the hollow rod 27 is in rotating connection with the adjusting plate 261, the other lead screw 25 is in sliding connection with the adjusting plate 261, and the adjusting plate 261 is fixedly installed with the plurality of return springs 29 on the inner wall of the U-shaped plate 26, which can control the two transmission gears 28 to be out of meshing state when the hollow rod 27 is not operated.

[0038] In addition, in order to facilitate the operator to control the hollow rod 27 to rotate, the bottom end of the hollow rod 27 extends to the side of the U-shaped plate 26 away from the strip-shaped plate 24 and is fixedly sleeved with the adjusting wheel 271.

[0039] Specifically, in order to facilitate the stable meshing of the two transmission gears 28, the transmission gear 28 away from the hollow rod 27 is fixedly installed with the blocking ring 281.

[0040] Specifically, in order to avoid the case that the stability of the axle housing conveying is affected due to the excessive deformation of the chain 13 caused by the self-weight of the axle housing during the conveying operation of the axle housing, a plurality of supporting sprockets 14 are rotatably installed on the support frame 1, the plurality of supporting sprockets 14 are respectively in transmission connection with the corresponding chains 13, and the plurality of supporting sprockets 14 are located on the same horizontal plane.

[0041] Specifically, in order to ensure the working stability of the motor 21, the bottom side of the motor 21 is fixedly installed with the support seat 211, and the support seat 211 is fixedly connected with the support frame 1.

[0042] Specifically, in order to ensure that the hollow rod 27 slides along the lead screw 25, so as to ensure that the lead screw 25 stably rotates when the hollow rod 27 is rotated by the adjusting wheel 271, a guide groove is formed in the inner wall of the hollow rod 27, a guide strip is fixedly installed on the outer side of the lead screw 25 which is on the same axis as the hollow rod 27, and the guide strip is in sliding connection with the guide groove.

[0043] Working principle:

[0044] First, turn on the power and start the motor 21, the motor 21 drives the circular plate 22 rotates, can drive the strip-shaped plate 24 control the roller 241 into the groove wheel 2 on the groove, so as to control the groove wheel 2 rotation, with the roller 241 from the groove wheel 2 on the groove out, can make the groove wheel 2 stop rotating and keep in a static state, until the roller 241 again into the groove wheel 2 on the groove will again drive the groove wheel 2 rotation, and the rotation of the groove wheel 2 can control the right side of the shaft 11 drive the right side of the transmission sprocket 12 rotation, in the cooperation of two chains 13 can make the left two transmission sprocket 12 synchronous rotation, so as to achieve the effect of controlling the chain 13 intermittent step conveying, and the design of the supporting sprocket 14 ensures that the chain 13 is stably supported during conveying, avoids the deformation of the chain 13 caused by excessive load, improves the stability and reliability of the bridge housing during conveying.

[0045] When the conveying distance of the chain 13 is needed to be adjusted, the operator can press the adjusting wheel 271 to the U-shaped plate 26 direction, so that the two transmission gears 28 can be engaged, then the hollow rod 27 is rotated by the adjusting wheel 271, and the synchronous reverse rotation of the two lead screws 25 is controlled, the position adjustment of the slider 23 in the strip-shaped port is realized, and the distance between the roller 241 and the slider 23 is adjusted, and the adjusting wheel 271 is released after the adjustment is completed, and the transmission gear 28 is automatically disengaged under the cooperation of the adjusting plate 261 and the return spring 29, which prolongs the service life of the equipment.

[0046] The chain type step conveying device provided by the utility model is described in detail above. The principles and implementation modes of the utility model are described in this paper by applying specific examples. The above examples are only used to help understand the method and core idea of the utility model. It should be noted that for ordinary skilled persons in the technical field, without departing from the principles of the utility model, the utility model can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A chain-type step conveyor, characterized by comprising: The utility model provides a kind of supporting frame (1), two rotating shafts (11), two chains (13), four transmission sprocket wheels (12), grooved wheel (2), motor (21), circular plate (22), strip plate (24), adjusting assembly, transmission assembly and U-shaped plate (26) are included; Two rotating shafts (11) are rotatably installed on the supporting frame (1) and are arranged in parallel with each other, four transmission sprocket wheels (12) are fixedly sleeved on the corresponding rotating shaft (11), four transmission sprocket wheels (12) are drivingly connected by two chains (13), and the two chains (13) are arranged in parallel with each other, the motor (21) is arranged on the supporting frame (1), the grooved wheel (2) is fixedly sleeved on the rotating shaft (11) close to the motor (21), the circular plate (22) is fixedly installed on the output shaft of the motor (21), and the outer circumferential side of the circular plate (22) is in sliding contact with the grooved wheel (2), the front side of the circular plate (22) is fixedly installed with a sliding block (23), the strip plate (24) is provided with a strip-shaped opening, and the sliding block (23) is connected with the inner wall of the strip-shaped opening, the adjusting assembly is arranged on the strip plate (24) and connected with the sliding block (23), one side of the strip plate (24) is rotatably installed with a roller (241), and the roller (241) is matched with the grooved wheel (2), the U-shaped plate (26) is fixedly installed on the side of the strip plate (24) away from the roller (241), and the transmission assembly is arranged in the U-shaped plate (26) and connected with the adjusting assembly.

2. A chain type step conveyor according to claim 1, characterized in that: The adjusting assembly includes two lead screws (25), two lead screws (25) are rotatably installed in the strip-shaped opening and arranged in parallel with each other, the two lead screws (25) are threadedly connected with the sliding block (23), and the screw directions of the two lead screws (25) are opposite.

3. A chain type step conveyor according to claim 2, characterized in that: The transmission assembly includes a hollow rod (27) and two transmission gears (28), the two lead screws (25) extend into the U-shaped plate (26), the hollow rod (27) is movably installed on the U-shaped plate (26), one of the lead screws (25) is axially slidably connected with the inner wall of the hollow rod (27), the hollow rod (27) and the other lead screw (25) are fixedly sleeved with the transmission gears (28), and the two transmission gears (28) are matched.

4. A chain-type step conveyor according to claim 3, characterized in that: The transmission assembly further includes an adjusting plate (261) and a plurality of return springs (29), the adjusting plate (261) is slidably installed in the U-shaped plate (26), the hollow rod (27) is rotatably connected with the adjusting plate (261), the other lead screw (25) is slidably connected with the adjusting plate (261), and the adjusting plate (261) is fixedly installed with a plurality of return springs (29) on the inner wall of the U-shaped plate (26).

5. A chain type step conveyor according to claim 3, wherein: The bottom end of the hollow rod (27) extends to the side of the U-shaped plate (26) away from the strip plate (24) and is fixedly sleeved with an adjusting wheel (271).

6. A chain type step conveyor according to claim 3, wherein: The transmission gear (28) away from the hollow rod (27) is fixedly installed with a retaining ring (281).

7. A chain type step conveyor according to claim 1, wherein: A plurality of supporting sprocket wheels (14) are rotatably installed on the supporting frame (1), the plurality of supporting sprocket wheels (14) are drivingly connected with the corresponding chains (13), and the plurality of supporting sprocket wheels (14) are located on the same horizontal plane.

8. A chain type step conveyor according to claim 1, wherein: The bottom side of the motor (21) is fixedly provided with a supporting seat (211), and the supporting seat (211) is fixedly connected with the supporting frame (1).

9. A chain type step conveyor according to claim 3, wherein: A guide groove is formed in the inner wall of the hollow rod (27), and a guide strip is fixedly arranged outside the lead screw (25) located on the same axis as the hollow rod (27), and the guide strip is in sliding connection with the guide groove.

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