Pipe expanding device for automobile exhaust pipe machining

Abstract

The utility model relates to the technical field of exhaust pipe processing, in particular to a pipe expanding device for automobile exhaust pipe processing, which comprises a base and an expanding component, the expanding component comprises a support frame, a barrel, an expanding block, a movable block, a control component and a connecting component, the support frame is fixedly connected with the base and positioned on one side of the base, and the barrel is fixedly connected with the support frame and positioned on the other side of the base. The cylinder is arranged on the base and located on the side, away from the base, of the supporting frame, the expansion block is installed at one end of the cylinder in a sliding mode, the movable block is connected with the cylinder through the control component, the control component is installed on the cylinder and drives the movable block to move, and the connection component is connected with the expansion block and the movable block. Only an exhaust pipe with a single size can be expanded, and the adaptability is poor.

Description

TECHNICAL FIELD

[0001] The utility model relates to exhaust pipe processing technical field especially, relates to a pipe expanding device for automobile exhaust pipe processing. BACKGROUND

[0002] With the rapid development of automobile industry, the production demand of automobile exhaust pipe is increasing. In the processing of exhaust pipe, it often needs to be expanded to meet the requirements of different vehicle models and exhaust system design. The traditional pipe expanding machine can only expand one end of the pipe, and when both ends need to be expanded, the pipe needs to be taken out, changed direction and put in again, which increases the pipe expanding time and reduces the production efficiency.

[0003] The prior art CN217528975U discloses a pipe expanding device for automobile exhaust pipe production, which comprises a fixed frame, a positioning groove is formed in the inner top wall of the fixed frame, a positioning block is movably connected to the inner wall of the positioning groove, a drive motor is fixedly connected to one side of the fixed frame, the output shaft of the drive motor is fixedly connected with a counter threaded rod through a shaft coupling, the outer wall of the counter threaded rod is movably connected with a threaded block, the bottom of the threaded block is fixedly connected with an electric push rod, and the output end of the electric push rod is movably connected with a hot pipe expanding mechanism body. The pipe expanding device for automobile exhaust pipe production saves the pipe expanding time, improves the pipe expanding efficiency, and can accelerate the cooling of the exhaust pipe body after the pipe expanding is completed through the set cold air fan body, so that the hands are not scalded during unloading, the safety of unloading is improved, the cooling of the exhaust pipe body is accelerated, and the pipe expanding efficiency of the exhaust pipe body is improved.

[0004] The pipe expanding device for automobile exhaust pipe production has the problem that the size of the expanding die head is fixed, and only a single size of exhaust pipe can be expanded, which has poor adaptability. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a pipe expanding device for automobile exhaust pipe processing, which solves the problem that the size of the expanding die head is fixed in the prior art, only a single size of exhaust pipe can be expanded, and the adaptability is poor.

[0006] To achieve the above-mentioned purpose, the utility model provides a pipe expanding device for automobile exhaust pipe processing, which comprises a base and an expanding assembly. The expanding assembly comprises a support frame, a cylinder, an expanding block, a movable block, a control member and a connecting member. The support frame is fixedly connected with the base and located at one side of the base. The cylinder is fixedly connected with the support frame and located at the side of the support frame away from the base. The expanding block is slidingly installed at one end of the cylinder. The movable block is connected with the cylinder through the control member. The control member is installed on the cylinder and drives the movable block to move. The connecting member connects the expanding block and the movable block.

[0007] The connecting member comprises a hinge base, a connecting rod and a pin shaft, the hinge base is fixedly connected with the expansion block and located on the side of the expansion block close to the movable block, the pin shaft is fixedly connected with the movable block and located on the side of the movable block close to the hinge base, and the two ends of the connecting rod are fixedly connected with the hinge base and the pin shaft respectively.

[0008] The control member comprises a balance base, a threaded sleeve, a support and a screw rod, the balance base is fixedly connected with the movable block and slidably connected with the cylinder, the threaded sleeve is fixedly connected with the balance base and located on the side of the balance base away from the movable block, the screw rod is installed in the cylinder through the support and threadedly connected with the threaded sleeve, and the support supports the screw rod.

[0009] The support comprises a fixing frame and a connecting sleeve, the fixing frame is fixedly connected with the cylinder and located in the cylinder, and the connecting sleeve is fixedly connected with the fixing frame and rotationally connected with the screw rod.

[0010] The cylinder is provided with a limiting groove, the limiting groove is located on the side of the cylinder close to the balance base, and the balance base is provided with a protrusion matched with the limiting groove.

[0011] The utility model discloses an automobile exhaust pipe processing is with expansion device, including base and expansion assembly, the expansion assembly includes support frame, cylinder, expansion block, movable block, control member and connecting member, the support frame is fixedly connected with the base and is located one side of the base, the cylinder is fixedly connected with the support frame and is located one side of the support frame away from the base, the expansion block is slidably installed one end of the cylinder, the movable block is connected with the cylinder through the control member, the control member is installed on the cylinder and drives the movable block moves, the connecting member connects the expansion block and the movable block, has solved the prior art because the size of expansion mould head is fixed, can only expand to single size exhaust pipe, and the adaptability is poor. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment or prior art of the present application, the drawings needed to be used in the embodiment or prior art description will be briefly introduced as follows.

[0013] Figure 1 It is the whole structure schematic diagram of automobile exhaust pipe processing of the utility model expansion device.

[0014] Figure 2 It is the structure schematic diagram of control member of the utility model.

[0015] Figure 3 Figure 1 is a structural schematic diagram of the movable block of the utility model.

[0016] Figure 4 Figure 2 is a structural schematic diagram of the cylinder and the balance seat of the utility model.

[0017] In the figure: 101-base, 102-support frame, 103-cylinder, 104-expanding block, 105-movable block, 106-hinge seat, 107-connecting rod, 108-pivot, 109-balance seat, 110-threaded sleeve, 111-screw, 112-fixing frame, 113-connecting sleeve, 114-limiting groove, 115-protrusion. DETAILED DESCRIPTION

[0018] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model and cannot be understood as limiting the utility model.

[0019] The embodiments of the application are:

[0020] Please refer to Figures 1-4 , Figure 1 Figure 1 is a whole structural schematic diagram of the pipe expanding device for automobile exhaust pipe machining of the utility model, Figure 2 Figure 2 is a structural schematic diagram of the control member of the utility model, Figure 3 Figure 3 is a structural schematic diagram of the movable block 105 of the utility model, Figure 4 Figure 4 is a structural schematic diagram of the cylinder 103 and the balance seat 109 of the utility model.

[0021] The pipe expanding device for automobile exhaust pipe machining of the utility model comprises a base 101, a support frame 102, a cylinder 103, an expanding block 104, a movable block 105, a hinge seat 106, a connecting rod 107, a pivot 108, a balance seat 109, a threaded sleeve 110, a screw 111, a fixing frame 112, a connecting sleeve 113, a limiting groove 114 and a protrusion 115, and solves the problem that the size of the expanding die head is fixed in the prior art, only a single size of exhaust pipe can be expanded, and the adaptability is poor. It can be understood that the foregoing scheme can also be used for expanding pipe machining of exhaust pipes of different specifications.

[0022] In the embodiment, the base 101 plays a role of stable support, the expanding assembly is installed on the base 101, so that pipe expanding machining of exhaust pipes of different specifications can be met, and the problem that the size of the expanding die head is fixed in the prior art, only a single size of exhaust pipe can be expanded, and the adaptability is poor is solved.

[0023] The support frame 102 is fixedly connected with the base 101 and located on one side of the base 101, the cylinder body 103 is fixedly connected with the support frame 102 and located on the side of the support frame 102 away from the base 101, the expansion block 104 is slidingly installed at one end of the cylinder body 103, the movable block 105 is connected with the cylinder body 103 through the control member, the control member is installed on the cylinder body 103 and drives the movable block 105 to move, the connecting member connects the expansion block 104 and the movable block 105, the support frame 102 is installed on the top of the base 101 and provides installation conditions for the cylinder body 103, the cylinder body 103 is a hollow cylinder with open ends and is arranged vertically to the support frame 102, the number of the expansion block 104 is multiple, a plurality of sliding grooves are arranged in an annular array on one end of the cylinder body 103, and the plurality of expansion blocks 104 are slidingly installed on the cylinder body 103 through the sliding grooves, the plurality of expansion blocks 104 can be gathered and slid to the center of the cylinder body 103 or can be radially slid outward, the movable block 105 is circular and is installed inside the cylinder body 103 through the control member, the connecting member is used for connecting the plurality of expansion blocks 104 and the movable block 105 together, the control member can control the movable block 105 to move, and through the movement of the movable block 105, the plurality of expansion blocks 104 can be synchronously expanded and contracted, so that the pipe expansion processing of different specifications of exhaust pipes is met, and the problem that the size of the expansion die head in the prior art is fixed and only a single size of exhaust pipe can be expanded with poor adaptability is solved.

[0024] Secondly, the hinge base 106 is fixedly connected with the expansion block 104 and located on the side of the expansion block 104 close to the movable block 105, the pin shaft 108 is fixedly connected with the movable block 105 and located on the side of the movable block 105 close to the hinge base 106, and the two ends of the connecting rod 107 are fixedly connected with the hinge base 106 and the pin shaft 108 respectively, the number of the hinge base 106 is multiple, the plurality of hinge bases 106 are arranged on the plurality of expansion blocks 104 respectively, a plurality of installation grooves are arranged in an annular array on the movable block 105, the number of the pin shaft 108 is multiple, and the plurality of pin shafts 108 are installed in the plurality of installation grooves respectively, and the number of the connecting rod 107 is also multiple, the two ends of the connecting rod 107 are rotatably connected with the corresponding hinge base 106 and pin shaft 108 respectively, through the hinge base 106, the connecting rod 107 and the pin shaft 108, the movable block 105 is driven to move while the plurality of expansion blocks 104 are synchronously expanded or contracted.

[0025] Meanwhile, the balance seat 109 is fixedly connected with the movable block 105 and is in sliding connection with the cylinder body 103; the threaded sleeve 110 is fixedly connected with the balance seat 109 and is located on the side of the balance seat 109 away from the movable block 105; the screw rod 111 is installed in the cylinder body 103 through the support and is in threaded connection with the threaded sleeve 110, the support supports the screw rod 111, the balance seat 109 is circular and is located in the cylinder body 103, the diameter of the balance seat 109 matches the inner diameter of the cylinder body 103, the balance seat 109 is connected with the movable block 105, so that the movable block 105 moves along with the balance seat 109, the threaded sleeve 110 has internal threads and is installed at the center of the balance seat 109, the screw rod 111 is installed in the cylinder body 103 through the support, the support frame 102 can provide stable support for the screw rod 111, the end of the screw rod 111 extends into the threaded sleeve 110 and is in threaded connection with the threaded sleeve 110, the screw rod 111 is driven by an external driving device, and the balance seat 109 drives the movable block 105 to move through the rotation of the screw rod 111.

[0026] In addition, the fixed frame 112 is fixedly connected with the cylinder body 103 and is located in the cylinder body 103; the connecting sleeve 113 is fixedly connected with the fixed frame 112 and is in rotary connection with the screw rod 111, the fixed frame 112 is cross-shaped and is fixedly connected with the inner wall of the cylinder body 103, the connecting sleeve 113 is installed at the middle part of the fixed frame 112, bearings are arranged in the connecting sleeve 113, the screw rod 111 penetrates through the connecting sleeve 113 and is fixedly connected with the inner ring of the bearings, so that the screw rod 111 can rotate freely, and the fixed frame 112 and the connecting sleeve 113 are used to stably support the screw rod 111.

[0027] Finally, the limiting groove 114 is located on the side of the cylinder body 103 close to the balance seat 109; the protrusion 115 cooperates with the limiting groove 114, the limiting groove 114 is formed on the inner wall of the cylinder body 103 along the length direction of the cylinder body 103, and the protrusion 115 is located on the circumferential side of the balance seat 109, so that the balance seat 109 is limited through the cooperation of the protrusion 115 and the limiting groove 114, and rotation of the balance seat 109 is avoided.

[0028] In the embodiment, when in use, the end of the exhaust pipe is sleeved outside the plurality of expansion blocks 104, the external driving device is controlled to operate, the screw rod 111 rotates, the screw rod 111 is screwed with the threaded sleeve 110, so that the balance seat 109 drives the movable block 105 to move towards the expansion block 104, under the action of the hinge seat 106, the connecting rod 107 and the pin shaft 108, the plurality of expansion blocks 104 are driven to move in linkage, synchronous expansion is realized, the movement position of the movable block 105 can be controlled through the rotation of the screw rod 111, so that the expansion amount of the plurality of expansion blocks 104 is adjusted, the expansion processing of exhaust pipes of different specifications is realized, and the problem that the size of the expansion die head in the prior art is fixed, so that only exhaust pipes of a single size can be expanded and the adaptability is poor is solved.

[0029] The above only discloses one or more preferred embodiments of the present application, and cannot limit the scope of the rights of the present application. Those skilled in the art can understand that all or part of the processes of the above embodiments can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.

Claims

1. A pipe expanding device for automobile exhaust pipe processing, comprising a base, characterized in that, it further comprises an expanding assembly; the expanding assembly comprises a support frame, a cylinder, an expanding block, a movable block, a control member and a connecting member, the support frame is fixedly connected with the base and located at one side of the base, the cylinder is fixedly connected with the support frame and located at a side of the support frame away from the base, the expanding block is slidingly installed at one end of the cylinder, the movable block is connected with the cylinder through the control member, the control member is installed on the cylinder and drives the movable block to move, and the connecting member connects the expanding block and the movable block.

2. The pipe expanding device for automobile exhaust pipe processing according to claim 1, characterized in that, the connecting member comprises a hinge base, a connecting rod and a pin shaft, the hinge base is fixedly connected with the expanding block and located at a side of the expanding block close to the movable block, the pin shaft is fixedly connected with the movable block and located at a side of the movable block close to the hinge base, and the connecting rod is fixedly connected with the hinge base and the pin shaft at two ends thereof.

3. The pipe expanding device for automobile exhaust pipe processing according to claim 1, characterized in that, the control member comprises a balance base, a threaded sleeve, a support and a screw rod, the balance base is fixedly connected with the movable block and slidingly connected with the cylinder, the threaded sleeve is fixedly connected with the balance base and located at a side of the balance base away from the movable block, the screw rod is installed in the cylinder through the support and threadedly connected with the threaded sleeve, and the support supports the screw rod.

4. The pipe expanding device for automobile exhaust pipe processing according to claim 3, characterized in that, the support comprises a fixed frame and a connecting sleeve, the fixed frame is fixedly connected with the cylinder and located in the cylinder, and the connecting sleeve is fixedly connected with the fixed frame and rotationally connected with the screw rod.

5. The pipe expanding device for automobile exhaust pipe processing according to claim 3, characterized in that, the cylinder has a limiting groove, the limiting groove is located at a side of the cylinder close to the balance base, and the balance base has a protrusion matched with the limiting groove.

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