CN220782708U

CN220782708U - Transmission mechanism of cylinder fin welding device

Info

Publication number: CN220782708U
Application number: CN202322659551.6U
Authority: CN
Inventors: 刘海浪; 潘万贵; 陈俊嘉
Original assignee: Zhejiang Chengxin Pharm & Chem Equipment Co ltd
Current assignee: Zhejiang Chengxin Pharm & Chem Equipment Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-04-16
Anticipated expiration: 2033-09-28

Abstract

The utility model provides a transmission mechanism of a cylinder fin welding device, and belongs to the technical field of machinery. It has solved the problem that current cylinder and fin welding efficiency are low. The welding device comprises a frame and a welding gun, wherein a transmission mechanism comprises a driver, a plurality of driving wheels used for placing a cylinder, a supporting structure used for being fixed in the cylinder and supporting the cylinder and a screw rod sliding block structure, the supporting structure comprises a rotating rod, the screw rod sliding block structure comprises a sliding adjusting frame and a first screw rod capable of driving the sliding adjusting frame to move, the rotating rod is parallel to the first screw rod, the rotating rod is connected with the first screw rod through a synchronous structure, the welding gun is arranged on the sliding adjusting frame, the driver drives the driving wheels to rotate so as to drive the cylinder and the supporting structure to rotate, and the supporting structure rotates so as to drive the welding gun to move along the axial direction of the cylinder through the synchronous structure and the screw rod sliding block structure. The transmission mechanism has the advantages that the cylinder body and the welding gun synchronously move, and the fin and the cylinder body can be automatically welded.

Description

Transmission mechanism of cylinder fin welding device

Technical Field

The utility model belongs to the technical field of machinery, and relates to a transmission mechanism of a cylinder fin welding device.

Background

The equipment such as desiccator and reation kettle all include the casing, generally can set up the heat transfer jacket on the lateral wall of casing, through letting in or discharge cold, hot coolant in the heat transfer jacket, heat or cool off the material in the reation kettle to realize specific chemical reaction, and can avoid material adhesion and deposit, easily wash and maintain.

Existing equipment such as dryers and reaction kettles, for example, chinese patent literature data discloses a coiled fin type heat exchange device [ application number: 202222626092.7; authorized bulletin number: CN218673238U ], which comprises an inner cylinder and a lower seal head, wherein the lower seal head is fixedly connected with the lower end of the inner cylinder, a jacket is arranged on the outer side of the inner cylinder and/or the lower seal head, an upper cooling and heating medium inlet and an upper cooling and heating medium outlet are arranged on the upper part of the jacket, a lower cooling and heating medium inlet and an upper cooling and heating medium outlet are arranged on the lower part of the jacket, spiral fins are wound on the outer surface of the inner cylinder and/or the lower seal head, and the fins are welded and fixed with the corresponding inner cylinder or lower seal head.

The heat exchange equipment with the structure is characterized in that the spiral fins are wound on the outer surface of the inner cylinder and/or the lower end enclosure, and the heat exchange area is increased through the fins, so that the heat exchange effect of equipment such as a dryer, a reaction kettle and the like is improved. However, in the heat exchange equipment with the structure, the fins are welded and fixedly connected on the inner cylinder and/or the lower seal head, and when in welding, the fins are welded in a manual mode by an operator, the operator needs to pull the fins by one hand and press the fins on the seal head, and the other hand holds the welding gun to weld, so that time and labor are wasted, and the welding efficiency is low; meanwhile, when welding, the distance between two adjacent circles of fins is not well controlled, and the distance between the fins and the inner cylinder and the lower seal head cannot be accurately controlled, so that the welding quality is poor, and the heat exchange effect of the equipment is affected.

Disclosure of utility model

The utility model aims at solving the problems in the prior art, and provides a transmission mechanism of a cylinder fin welding device, which solves the technical problem of how to enable a cylinder and a welding gun to synchronously move, so that automatic welding of fins can be realized.

The aim of the utility model can be achieved by the following technical scheme: the welding device comprises a frame and a welding gun, and is characterized in that the transmission mechanism comprises a driver, a plurality of driving wheels used for placing a cylinder, a supporting structure used for being fixed in the cylinder and supporting the cylinder and a screw rod sliding block structure, the supporting structure comprises a rotating rod, the screw rod sliding block structure comprises a sliding adjusting frame and a first screw rod capable of driving the sliding adjusting frame to move, the rotating rod is parallel to the first screw rod, the rotating rod is connected with the first screw rod through a synchronous structure, the welding gun is arranged on the sliding adjusting frame, the driver drives the driving wheels to rotate so as to drive the cylinder and the supporting structure to rotate, and the supporting structure rotates so as to drive the welding gun to axially move along the cylinder through the synchronous structure and the screw rod sliding block structure.

During operation, fix bearing structure in the cylinder to support the cylinder through bearing structure, place the cylinder on the drive wheel, installation synchronization structure makes bearing structure's dwang link to each other with the first lead screw of lead screw slider structure, the start-up driver, the drive wheel is rotatory makes the cylinder rotatory, thereby make the bearing structure who links firmly with the cylinder body rotatory, bearing structure's dwang drives first lead screw rotation through synchronization structure afterwards, first lead screw rotation drives the slip regulating frame and removes, thereby make the welder that sets up on the slip regulating frame follow the axial displacement of cylinder, make welder follow the axial displacement of cylinder when realizing the cylinder rotation. The rotating rod is arranged at the axial center of the cylinder in a penetrating way, and the rotating rod is parallel to the first screw rod, so that the moving direction of the welding gun is perpendicular to the rotating direction of the cylinder, and the fins can be spirally welded on the outer side wall of the cylinder.

In the transmission mechanism of the cylinder fin welding device, the number of the driving wheels is four, the four driving wheels are square, annular step grooves are formed in the edges of the inner sides of the four driving wheels, and the step grooves are used for embedding the edge parts of the two ends of the cylinder. The step groove is arranged to position the axial direction of the cylinder body, and the step groove is matched with the gravity of the cylinder body, so that when the driving wheel rotates to drive the cylinder body to rotate, the cylinder body cannot deviate from a set position, the stability of the rotation of the cylinder body is improved, and the welding quality of the fins and the cylinder body is improved.

In the transmission mechanism of the cylinder fin welding device, the supporting structure further comprises a plurality of adjusting rods and a pair of supporting plates arranged at intervals, two ends of each rotating rod penetrate through the centers of the corresponding supporting plates respectively, the rotating rods are fixedly connected with the supporting plates, the inner ends of the adjusting rods are fixedly connected to the circumferential outer sides of the supporting plates at intervals in a threaded fixedly connected mode, the outer ends of the adjusting rods are used for propping against the inner side walls of the cylinders, and the central axes of the adjusting rods and the centers of the corresponding supporting plates are located on the same straight line. This kind of structure makes the regulation pole can be through rotatory mode adjusting the length that the regulation pole stretches out, guarantees that the outer end of adjusting the pole can support on the inside wall of cylinder, also guarantees simultaneously that the dwang wears to establish at the axial center of cylinder, improves bearing structure's support intensity, and guarantees bearing structure's transmission precision.

In the transmission mechanism of the cylinder fin welding device, a plurality of concave avoidance grooves are formed in the circumferential outer side of the supporting disc, connectors with internal threaded holes are fixedly connected at the notch positions of the avoidance grooves, external threads are arranged at the inner ends of the adjusting rods, and the inner ends of the adjusting rods penetrate through the internal threaded holes to fixedly connect the adjusting rods with the connectors in a threaded mode. The screw thread is arranged on the connector, so that the screw thread is convenient to process, and the connector is embedded on the supporting disc, so that the adjusting rod is convenient to connect with the supporting disc.

In the transmission mechanism of the cylinder fin welding device, the adjacent two avoidance grooves are different in depth along the circumferential direction of the supporting disc, and the avoidance grooves are arranged at intervals of depth one by one. The structure reasonably utilizes the space, and enables the support disc to have enough strength while the avoidance groove has enough depth.

In the transmission mechanism of the cylinder fin welding device, the sliding adjusting frame comprises a first sliding frame, a second screw rod and a third screw rod, wherein the first sliding frame is connected to the frame in a sliding mode, the first screw rod can drive the first sliding frame to move along the horizontal direction, the second screw rod is perpendicular to the first screw rod, the second sliding frame is connected to the first sliding frame in a sliding mode, the second screw rod can drive the second sliding frame to move along the vertical direction, the third sliding frame is connected to the second sliding frame in a sliding mode, the welding gun is arranged on the third sliding frame, the third screw rod is arranged in the second sliding frame, the third screw rod is perpendicular to the first screw rod and the second screw rod, and the third screw rod can drive the third sliding frame to move along the horizontal direction. When welding starts, the second sliding frame is driven to move up and down through the second screw rod, the height of the welding gun is adjusted, the third sliding frame is driven to move left and right through the third screw rod, the horizontal position of the welding gun is adjusted, the welding gun is enabled to move to a machining position, during welding, the first screw rod is driven to rotate, the first screw rod drives the first sliding frame to move back and forth along the axial direction of the cylinder body, and accordingly the welding gun is driven to move in the front-back direction, movement of the welding gun is synchronous with rotation of the cylinder body, the movement direction of the welding gun is perpendicular to the rotation direction of the cylinder body, and the fins are welded and fixedly connected to the cylinder body in a spiral mode.

In the transmission mechanism of the cylinder fin welding device, the synchronous structure comprises a synchronous belt, a first synchronous wheel fixedly connected with one end of the rotating rod and a second synchronous wheel fixedly connected with the first screw rod, and the first synchronous wheel is connected with the second synchronous wheel through the synchronous belt. The structure realizes that the rotating rod drives the first screw rod to synchronously rotate.

In another aspect, in the driving mechanism of the fin welding apparatus for a cylindrical body, the synchronization structure includes a chain, a first sprocket fixedly connected to one end of the rotating rod, and a second sprocket fixedly connected to the first screw rod, and the first sprocket is connected to the second sprocket through the chain. The structure realizes that the rotating rod drives the first screw rod to synchronously rotate.

Compared with the prior art, the transmission mechanism of the cylinder fin welding device provided by the utility model has the following advantages:

1. the transmission mechanism drives the cylinder to rotate and simultaneously drives the welding gun to move along the axial direction of the cylinder, so that the welding gun can weld the fins on the cylinder in a spiral shape, automatic welding is realized, and the welding efficiency is improved.

2. The supporting structure of the transmission mechanism is fixedly connected in the cylinder body, and the driving wheel drives the supporting structure to rotate when driving the cylinder body to rotate, so that the cylinder body also becomes one ring of the transmission mechanism, and the design is ingenious.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the transmission mechanism of the cylinder fin welding device.

Fig. 2 is a schematic view of the structure of the driving wheel supporting cylinder of the transmission mechanism.

Fig. 3 is a schematic diagram of the whole structure of the sliding adjusting frame of the transmission mechanism.

Fig. 4 is a schematic diagram of the whole structure of the supporting structure of the transmission mechanism.

Fig. 5 is a schematic partial structural view of the present transmission support structure.

In the figure, 1, a rack; 2. a welding gun; 3. a driver; 4. a cylinder; 5. a driving wheel; 51. a step groove; 6. a support structure; 61. a rotating lever; 62. an adjusting rod; 63. a support plate; 64. an avoidance groove; 65. a connector; 7. a screw rod sliding block structure; 71. sliding the adjusting frame; 711. a first carriage; 712. a second carriage; 713. a second screw rod; 714. a third screw rod; 715. a third carriage; 72. a first screw rod; 8. a synchronization structure; 81. a synchronous belt; 82. a first synchronizing wheel; 83. and a second synchronizing wheel.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, the welding device comprises a frame 1, a welding gun 2 and a transmission mechanism, wherein the transmission mechanism of the fin welding device for the cylinder 4 comprises a driver 3, a driving wheel 5, a supporting structure 6, a screw rod sliding block structure 7 and a synchronous structure 8.

The driver 3 is a motor, the number of the driving wheels 5 is four, the four driving wheels 5 are square, as shown in fig. 2, annular step grooves 51 are formed in the edges of the inner sides of the four driving wheels 5, the edges of the two ends of the cylinder 4 are embedded into the four step grooves 51, and the weight of the cylinder 4 is matched, so that the cylinder 4 is axially positioned, and the driver 3 can drive the cylinder 4 to rotate after driving the driving wheels 5 to rotate.

As shown in fig. 3, the screw slider structure 7 includes a sliding adjustment frame 71 and a first screw 72 capable of driving the sliding adjustment frame 71 to move, the sliding adjustment frame 71 includes a first sliding frame 711, a second sliding frame 712, a second screw 713 and a third screw 714, the first sliding frame 711 is slidably connected to the frame 1, the first screw 72 can drive the first sliding frame 711 to move along a horizontal direction, the second screw 713 is perpendicular to the first screw 72, the second sliding frame 712 is slidably connected to the first sliding frame 711, the second screw 713 can drive the second sliding frame 712 to move along a vertical direction, a third sliding frame 715 is slidably connected to the second sliding frame 712, the welding gun 2 is arranged on the third sliding frame 715, the third screw 714 is arranged in the second sliding frame 712, the third screw 714 is perpendicular to the first screw 72 and the second screw 713, and the third screw 714 can drive the third sliding frame 715 to move along a horizontal direction.

As shown in fig. 4 and 5, the support structure 6 includes a rotation lever 61, an adjustment lever 62, and a pair of support plates 63. The rotating rod 61 is parallel to the first screw 72, a pair of support plates 63 are arranged at intervals, two ends of the rotating rod 61 respectively penetrate through the centers of the pair of support plates 63, and the rotating rod 61 is fixedly connected with the support plates 63. In this embodiment, twelve concave avoidance grooves 64 are formed in the circumferential outer side of the support disc 63, connectors 65 with internal threaded holes are fixedly connected to the notch of the avoidance grooves 64, the number of the adjustment rods 62 is twelve, the avoidance grooves 64 and the adjustment rods 62 are arranged in a one-to-one correspondence mode, external threads are formed in the inner ends of the adjustment rods 62, the inner ends of the adjustment rods 62 penetrate through the internal threaded holes to enable the adjustment rods 62 and the connectors 65 to be fixedly connected, the outer ends of the adjustment rods 62 are used for being abutted to the inner side walls of the cylinder 4, the central axes of the adjustment rods 62 and the centers of the corresponding support discs 63 are located on the same straight line, and in actual production, the number of the adjustment rods 62 and the avoidance grooves 64 can be eight or sixteen. The adjacent two escape grooves 64 are different in depth along the circumferential direction of the support plate 63, and the escape grooves 64 are arranged at a shallow interval one by one.

The rotating rod 61 and the first screw rod 72 are connected through a synchronizing structure 8, in this embodiment, the synchronizing structure 8 includes a synchronous belt 81, a first synchronizing wheel 82 fixedly connected to one end of the rotating rod 61, and a second synchronizing wheel 83 fixedly connected to the first screw rod 72, the first synchronizing wheel 82 is connected to the second synchronizing wheel 83 through the synchronous belt 81, and in actual production, the synchronizing structure 8 includes a chain, a first sprocket fixedly connected to one end of the rotating rod 61, and a second sprocket fixedly connected to the first screw rod 72, and the first sprocket is connected to the second sprocket through the chain.

In operation, the support structure 6 is fixed in the cylinder 4, the cylinder 4 is supported by the support structure 6, the cylinder 4 is placed on the driving wheel 5, the synchronous structure 8 is installed, the rotating rod 61 of the support structure 6 is connected with the first screw 72 of the screw rod sliding block structure 7, the driver 3 is started to drive the driving wheel 5 to rotate, the driving wheel 5 rotates to enable the cylinder 4 to rotate, the support structure 6 fixedly connected with the cylinder 4 is rotated, then the rotating rod 61 of the support structure 6 drives the first screw 72 to rotate through the synchronous structure 8, the first screw 72 rotates to drive the sliding adjusting frame 71 to move, and therefore the welding gun 2 arranged on the sliding adjusting frame 71 moves, and the welding gun 2 moves along the axial direction of the cylinder 4 while the cylinder 4 rotates.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although terms of the frame 1, the welding gun 2, the driver 3, the cylinder 4, the driving wheel 5, the stepped groove 51, the supporting structure 6, the rotating lever 61, the adjusting lever 62, the supporting plate 63, the escape groove 64, the connection head 65, the screw slider structure 7, the slide adjusting frame 71, the first slide frame 711, the second slide frame 712, the second screw 713, the third screw 714, the third slide frame 715, the first screw 72, the synchronizing structure 8, the timing belt 81, the first synchronizing wheel 82, the second synchronizing wheel 83, and the like are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. The transmission mechanism of the cylinder fin welding device comprises a frame (1) and a welding gun (2), and is characterized in that the transmission mechanism comprises a driver (3), a plurality of driving wheels (5) used for placing a cylinder (4), a supporting structure (6) used for being fixed in the cylinder (4) and supporting the cylinder (4) and a screw rod sliding block structure (7), the supporting structure (6) comprises a rotating rod (61), the screw rod sliding block structure (7) comprises a sliding adjusting frame (71) and a first screw rod (72) capable of driving the sliding adjusting frame (71) to move, the rotating rod (61) and the first screw rod (72) are parallel, the rotating rod (61) and the first screw rod (72) are connected through a synchronizing structure (8), the welding gun (2) is arranged on the sliding adjusting frame (71), the driver (3) drives the driving wheels (5) to rotate so as to drive the cylinder (4) and the supporting structure (6) to rotate, and the supporting structure (6) rotates so as to drive the screw rod (2) to move along the axial direction of the welding gun (4).

2. A transmission mechanism of a fin welding apparatus for a cylindrical body according to claim 1, wherein the number of said driving wheels (5) is four, four said driving wheels (5) are arranged in a square shape, and the edges of the inner sides of four said driving wheels (5) are each provided with a stepped groove (51) in the shape of a ring, said stepped grooves (51) being fitted with edge portions of both ends of the cylindrical body (4).

3. The transmission mechanism of a fin welding apparatus for a cylindrical body according to claim 1 or 2, wherein the supporting structure (6) further comprises a plurality of adjusting rods (62) and a pair of supporting plates (63) arranged at intervals, both ends of the rotating rod (61) respectively penetrate through the centers of the pair of supporting plates (63), the rotating rod (61) is fixedly connected with the supporting plates (63), the inner ends of the adjusting rods (62) are fixedly connected to the circumferential outer sides of the supporting plates (63) at intervals in a threaded fixedly connected manner, the outer ends of the adjusting rods (62) are used for abutting against the inner side walls of the cylindrical body (4), and the central axes of the adjusting rods (62) and the centers of the corresponding supporting plates (63) are positioned on the same straight line.

4. A transmission mechanism of a cylinder fin welding apparatus according to claim 3, wherein the circumferential outer side of the supporting plate (63) is provided with a plurality of avoidance grooves (64) which are concavely arranged, a connector (65) with an internal threaded hole is fixedly connected at the notch of the avoidance groove (64), the inner end of the adjusting rod (62) is provided with external threads, and the inner end of the adjusting rod (62) is arranged in the internal threaded hole in a penetrating way so that the adjusting rod (62) and the connector (65) are fixedly connected through threads.

5. A transmission mechanism of a fin welding apparatus for a cylindrical body according to claim 4, wherein the adjacent two of said escape grooves (64) are different in depth in the circumferential direction of said support plate (63), said escape grooves (64) being arranged at a shallow interval one by one.

6. The transmission mechanism of the cylinder fin welding apparatus according to claim 1 or 2, wherein the sliding adjustment frame (71) comprises a first sliding frame (711), a second sliding frame (712), a second screw (713) and a third screw (714), the first sliding frame (711) is slidably connected to the frame (1), the first screw (72) can drive the first sliding frame (711) to move in a horizontal direction, the second screw (713) is perpendicular to the first screw (72), the second sliding frame (712) is slidably connected to the first sliding frame (711), the second screw (713) can drive the second sliding frame (712) to move in a vertical direction, the second sliding frame (712) is slidably connected with the third sliding frame (715), the welding gun (2) is arranged on the third sliding frame (715), the third screw (714) is arranged in the second sliding frame (712), and the third screw (714) can be horizontally moved with the first screw (72) and the third screw (714).

7. A transmission mechanism of a cylinder fin welding apparatus according to claim 1 or 2, wherein said synchronizing structure (8) includes a timing belt (81), a first synchronizing wheel (82) fixedly attached to one end of said rotating rod (61), and a second synchronizing wheel (83) fixedly attached to said first screw (72), said first synchronizing wheel (82) being connected to said second synchronizing wheel (83) through said timing belt (81).

8. A transmission mechanism of a fin welding apparatus for cylindrical bodies according to claim 1 or 2, wherein said synchronizing structure (8) includes a chain, a first sprocket fixedly attached to one end of said rotating rod (61), and a second sprocket fixedly attached to said first screw (72), said first sprocket being connected to said second sprocket through said chain.