Automatic lifting device for welding head of spiral welding machine

Abstract

The utility model discloses an automatic lifting device for a welding head of a spiral welding machine, which belongs to the technical field of spiral welding machines and comprises a portal frame, an operating room, a first vertical sliding groove, a second sliding block and an adjusting component. According to the welding device, the operation chamber can move upwards or downwards in the first vertical sliding groove through the second sliding block, then the whole operation chamber can ascend after welding is completed, an operator does not need to hold a handle by hand for a long time, the workload of the operator can be relieved, and the working efficiency is improved. And the service life of the operation handle can be prolonged, and the connection stability of the operation room and the portal frame can be improved through sliding connection between the first sliding block and the interiors of the second vertical sliding grooves in the two sides, so that the operation room is more stable in the ascending or descending process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to spiral welder technical field, concretely relates to a spiral welder welding machine head automatic lifting device. BACKGROUND

[0002] At present, the domestic PCCP steel cylinder production generally adopts two forms of flat seam welding and spiral welding. Flat seam welding needs manual pre-assembly, then roll welding, more longitudinal seam, no ring seam, the rigidity of the formed steel cylinder is poor, and the production efficiency is low. Spiral welding is to complete the welding of steel cylinder with socket steel ring on the spiral welder at one time, which basically realizes the automation of welding, has high production efficiency, and is more widely applied.

[0003] When the spiral welder is used for batch production of steel cylinders, the connection of the front and rear two sections of steel cylinders is particularly important, and is the key to improving the yield.

[0004] After the traditional spiral welder welds the steel cylinder, the machine head needs to be manually lifted, and after the portal travels back to the starting welding position, the steel cylinder can be removed from the core, and the portal needs to travel about 6 meters, which takes about 4-5 minutes. This time period is the waiting time, and after the portal travels to the starting position, the welding operation of the second section of the steel cylinder can be performed, which is time-consuming and laborious, and there are problems of handle pinch and reduced service life of the handle. CONTENT OF THE UTILITY MODEL

[0005] This part aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] To solve the problems of the traditional spiral welder welding the steel cylinder, manually lifting the machine head, waiting for the portal to travel back to the starting welding position, removing the steel cylinder from the core, and the portal traveling about 6 meters, which takes about 4-5 minutes, the waiting time, and the welding operation of the second section of the steel cylinder after the portal travels to the starting position, the utility model adopts the following technical scheme.

[0007] The utility model provides a kind of spiral welder welding head automatic lifting device, including portal frame, the outer wall of portal frame is slidably connected with operating chamber, and the outside of operating chamber is detachably connected with welding assembly, the inside of portal frame is transversely provided with PCCP pipe, and the both sides of PCCP pipe are provided with support rotating assembly, support rotating assembly makes PCCP pipe rotate, and the both sides of the bottom of portal frame are slidably connected with sliding rail, and the outer wall of portal frame lateral edge is located middle and is provided with first vertical sliding slot, and the outer wall of operating chamber is fixedly connected with second sliding block, and second sliding block is slidably connected with the inside of first vertical sliding slot, and adjusting assembly is installed on portal frame, and adjusting assembly makes operating chamber move upwards or downwards.

[0008] Preferably, the both sides of the outer wall of the lateral edge of the portal frame are provided with second vertical sliding slots, and the both sides of the outer wall of the portal frame are fixedly connected with first sliding blocks, and the first sliding blocks are slidably connected with the inside of the second vertical sliding slots.

[0009] Preferably, the inside bottom of the second vertical sliding slot on the both sides is detachably connected with a piston cylinder, the inside of the piston cylinder is slidably connected with a piston plate, the upper end of the piston plate is fixedly connected with a sliding rod penetrating out of the piston cylinder, the end of the sliding rod is detachably connected with the bottom of the first sliding block, and the bottom of the piston cylinder is fixedly connected with a connecting pipe, the connecting pipe is in communication with the inside of the piston cylinder, and the connecting pipe penetrates out of the bottom of the lateral edge of the portal frame.

[0010] Preferably, the end of the connecting pipe is detachably connected with an auxiliary fixing assembly, and the auxiliary fixing assembly fixes the positions of the piston plate and the sliding rod.

[0011] Preferably, the adjusting assembly comprises a driving motor and an adjusting threaded rod, the bottom of the lateral edge of the portal frame is detachably connected with the driving motor, the rotating end of the driving motor is inserted into the inside of the first vertical sliding slot, the end of the rotating end of the driving motor is detachably connected with the adjusting threaded rod, and the adjusting threaded rod is threadedly connected with the second sliding block.

[0012] Preferably, the auxiliary fixing assembly comprises an electromagnetic control valve, and the end of the connecting pipe on the both sides is detachably connected with the electromagnetic control valve.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、Through the driving motor rotation in the adjusting assembly and driving adjusting threaded rod to rotate, the operating chamber can be moved upwards or downwards in the inside of the first vertical sliding slot through the second sliding block, the operating chamber can be lifted as a whole after welding, the operator does not need to hold the handle for a long time, the work burden of the operator can be reduced, and the service life of the operating handle can be increased.

[0015] 2、Through the inside sliding connection of the first sliding block and the second vertical sliding groove on both sides, the connection stability of the operating chamber and the portal frame can be increased, so that the operating chamber is more stable during upward or downward movement.

[0016] 3、Through the setting of the connecting pipe, the sliding rod and the piston plate are driven to move upward or downward when the operating chamber rises or falls, so that the air inside the piston cylinder can be discharged outward or inhaled inward through the connecting pipe, thereby slowing down the descending speed of the operating chamber when the adjusting assembly is damaged, and protecting the operating chamber and the internal staff from being injured.

[0017] 4、Through the electromagnetic control valve in the auxiliary fixing assembly, the air inside the piston cylinder is discharged outward or the external air enters the inside of the piston cylinder, after adjusting the height of the operating chamber, the two side electromagnetic control valves are closed, so that the air inside the piston cylinder cannot exchange with the outside, thereby fixing the position of the sliding rod and the piston plate (210) and assisting in fixing the operating chamber (201). BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of the automatic lifting device of the welding head of the spiral welding machine in the utility model;

[0019] Figure 2 It is an adjusting assembly structure schematic view in the utility model;

[0020] Figure 3 It is an operating chamber and portal frame sliding connection structure schematic view in the utility model;

[0021] Figure 4 It is an auxiliary fixing assembly structure schematic view in the utility model;

[0022] The corresponding relationship between the annotations of each figure and the component names in the figure is as follows:

[0023] 100, PCCP pipe; 101, support rotating assembly; 102, sliding rail;

[0024] 200, portal frame; 201, operating chamber; 202, welding assembly; 203, first vertical sliding groove; 204, second vertical sliding groove; 205, driving motor; 206, adjusting threaded rod; 207, first sliding block; 208, second sliding block; 209, sliding rod; 210, piston plate; 211, piston cylinder; 212, connecting pipe; 213, electromagnetic control valve. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings of the specification.

[0026] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details set forth in this description. In other instances, well-known methods, procedures, components, and circuits have not been described in detail as not to unnecessarily obscure aspects of the present application.

[0027] Secondly, the "one embodiment" or "embodiment" referred to here means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In different places in this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments. The present application provides the following embodiments.

[0028] As shown in Figure 1 , it is a structure schematic diagram of a spiral welding machine welding head automatic lifting device of a preferred embodiment of the present application. The spiral welding machine welding head automatic lifting device of the present embodiment comprises a portal frame 200, the outer wall of the portal frame 200 is slidably connected with an operating room 201, the outer part of the operating room 201 is detachably connected with a welding assembly 202, the inside of the portal frame 200 is transversely provided with a PCCP pipe 100, the two sides of the PCCP pipe 100 are provided with support rotating assemblies 101, the support rotating assemblies 101 make the PCCP pipe 100 rotate, the bottom sides of the portal frame 200 are slidably connected with sliding rails 102. In the present embodiment, the PCCP pipe 100 is made to rotate through the support rotating assemblies 101, the portal frame 200 is moved on the outer wall of the sliding rail 102, and then the PCCP pipe 100 can be welded through the welding assembly 202.

[0029] As shown in Figure 2 and Figure 3As shown, it is the schematic view of the adjusting assembly structure in the embodiment, the outer wall of the lateral side of the portal frame 200 is provided with a first vertical sliding groove 203 in the middle, the outer wall of the operating chamber 201 is fixedly connected with a second sliding block 208, the second sliding block 208 is slidably connected with the inside of the first vertical sliding groove 203, the bottom of the lateral side of the portal frame 200 is detachably connected with a driving motor 205, the rotating end of the driving motor 205 is inserted into the inside of the first vertical sliding groove 203, the end of the rotating end of the driving motor 205 is detachably connected with an adjusting screw rod 206, the adjusting screw rod 206 is threadedly connected with the second sliding block 208, in the embodiment, the driving motor 205 is rotated to drive the adjusting screw rod 206 to rotate, so that the operating chamber 201 can be moved upward or downward in the inside of the first vertical sliding groove 203 through the second sliding block 208, and then the operating chamber 201 can be lifted as a whole after welding, the operator does not need to hold the handle for a long time, the working burden of the operator can be reduced, and the service life of the operating handle can be increased.

[0030] It is worth noting that the driving motor 205 and the adjusting screw rod 206 are the adjusting assembly in the embodiment, the adjusting assembly includes but is not limited to the driving motor 205 and the adjusting screw rod 206, as long as the assembly that can make the second sliding block 208 move upward or downward in the inside of the first vertical sliding groove 203 can be applied to the embodiment.

[0031] As shown in Figure 2 and Figure 3 In order to make the operating chamber 201 more stable during the upward and downward movement, in the embodiment, the lateral sides of the outer wall of the portal frame 200 are provided with second vertical sliding grooves 204, the outer walls of the portal frame 200 are fixedly connected with first sliding blocks 207, the first sliding blocks 207 are slidably connected with the inside of the second vertical sliding grooves 204, in the embodiment, the first sliding blocks 207 on the two sides are slidably connected with the inside of the second vertical sliding grooves 204, the connection stability of the operating chamber 201 and the portal frame 200 can be increased, and the operating chamber 201 is more stable during the upward and downward movement.

[0032] As shown in Figure 4As shown, it is the auxiliary fixing assembly structure schematic view in the embodiment, the inside bottom of the second vertical sliding groove 204 of both sides is detachably connected with the piston cylinder 211, the inside of the piston cylinder 211 is slidably connected with the piston plate 210, the upper end of the piston plate 210 is fixedly connected with the sliding rod 209 that passes out the piston cylinder 211, the tail end of the sliding rod 209 is detachably connected with the bottom of the first sliding block 207, the bottom of the piston cylinder 211 is fixedly connected with the connecting pipe 212, the connecting pipe 212 communicates with the inside of the piston cylinder 211, the connecting pipe 212 passes out the bottom of the horizontal side of the portal frame 200, in the embodiment, the setting of the connecting pipe 212 makes the sliding rod 209 and the piston plate 210 move upwards or downwards when the operating chamber 201 rises or falls, and then the air in the inside of the piston cylinder 211 can be discharged outward or inhaled inward through the connecting pipe 212, and then the falling speed of the operating chamber 201 can be slowed down when the adjusting assembly is damaged, and then the operating chamber 201 and the staff in the inside can be protected from being injured.

[0033] As shown, Figure 4 In order to make the stability of the operating chamber 201 better, in the embodiment, the tail end of the connecting pipe 212 is detachably connected with the electromagnetic control valve 213, in the embodiment, the electromagnetic control valve 213 is opened when the operating chamber 201 rises or falls, so that the air in the inside of the piston cylinder 211 is discharged outward or the external air enters the inside of the piston cylinder 211, after the height of the operating chamber 201 is adjusted, the two sides of the electromagnetic control valve 213 are closed, so that the air in the inside of the piston cylinder 211 cannot exchange with the outside, and then the position of the sliding rod 209 and the piston plate 210 can be fixed, and the operating chamber 201 is assisted and fixed.

[0034] It is worth noting that the above-mentioned electromagnetic control valve 213 is an auxiliary fixing assembly in the embodiment, and the auxiliary fixing assembly includes but is not limited to the electromagnetic control valve 213, as long as the assembly that can fix the position of the piston plate 210 and the sliding rod 209 can be applied in the embodiment.

[0035] The above content is further detailed description of the utility model in combination with specific embodiments, which cannot be regarded as the specific implementation of the utility model limited to these descriptions, and for ordinary skilled persons in the technical field of the utility model, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, which should be regarded as belonging to the protection scope determined by the claims of the utility model.

Claims

1. An automatic lifting device for a spiral welding machine welding head, comprising a gantry (200), an outer wall of the gantry (200) being slidably connected to an operating room (201), an outer portion of the operating room (201) being detachably connected to a welding assembly (202), a PCCP pipe (100) being laterally arranged inside the gantry (200), supporting rotation assemblies (101) being arranged on both sides of the PCCP pipe (100), the supporting rotation assemblies (101) enabling the PCCP pipe (100) to rotate, and sliding rails (102) being slidably connected to both sides of the bottom of the gantry (200), characterized in that: A first vertical sliding groove (203) is provided in the middle of the outer wall of the horizontal side of the gantry (200), a second sliding block (208) is fixedly connected to the outer wall of the operating room (201), and the second sliding block (208) is slidably connected to the inside of the first vertical sliding groove (203), and an adjustment component is installed on the gantry (200), and the adjustment component enables the operating room (201) to move upward or downward.

2. The automatic lifting device for the welding head of a spiral welding machine according to claim 1 is characterized in that: Second vertical sliding grooves (204) are provided on both sides of the horizontal outer wall of the gantry (200), first sliding blocks (207) are fixedly connected to both sides of the outer wall of the gantry (200), and the first sliding blocks (207) are slidably connected to the inside of the second vertical sliding grooves (204).

3. The automatic lifting device for the welding head of a spiral welding machine according to claim 2 is characterized in that: The inner bottom of the second vertical sliding groove (204) on both sides is detachably connected to the piston cylinder (211), the interior of the piston cylinder (211) is slidably connected to the piston plate (210), the upper end of the piston plate (210) is fixedly connected to the sliding rod (209) passing through the piston cylinder (211), the end of the sliding rod (209) is detachably connected to the bottom of the first sliding block (207), the bottom of the piston cylinder (211) is fixedly connected to the connecting pipe (212), the connecting pipe (212) is communicated with the interior of the piston cylinder (211), and the connecting pipe (212) passes through the bottom of the horizontal side of the gantry (200).

4. The automatic lifting device for the welding head of a spiral welding machine according to claim 3 is characterized in that: The end of the connecting tube (212) is detachably connected to an auxiliary fixing assembly, which fixes the positions of the piston plate (210) and the sliding rod (209).

5. The automatic lifting device for the welding head of a spiral welding machine according to claim 4 is characterized in that: The adjustment component includes a driving motor (205) and an adjusting threaded rod (206). The bottom of the horizontal side of the gantry (200) is detachably connected to the driving motor (205). The rotating end of the driving motor (205) is inserted into the interior of the first vertical sliding groove (203). The distal end of the rotating end of the driving motor (205) is detachably connected to the adjusting threaded rod (206). The adjusting threaded rod (206) is threadably connected to the second sliding block (208).

6. The automatic lifting device for the welding head of a spiral welding machine according to claim 5 is characterized in that: The auxiliary fixing assembly comprises an electromagnetic control valve (213), and the ends of the connecting pipes (212) on both sides are detachably connected to the electromagnetic control valve (213).

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