Internal expansion assembly mechanism

Abstract

The utility model discloses an internal expansion assembly mechanism, which belongs to the technical field of flange assembly and comprises a main body, a control device, a fixing device and an internal expansion device are mounted on the main body, a tool product is mounted on the fixing device, and the control device and the fixing device are connected with the internal expansion device. The internal expansion device comprises a tool assembly and an internal expansion assembly, the tool assembly is connected with the main body, the tool product and the internal expansion assembly, and the internal expansion assembly is connected with the main body and the control device. By means of the mode, the tool assembly is driven by the internal expansion assembly to conduct internal expansion assembly work on a tool product, rapid assembly of the product is achieved, operation is easy, and efficiency is high; through detachable connection of the tool base and the tool quick-change head, different fixing devices and tool assemblies can be replaced to adapt to different product models; through the arrangement of the tension sensor, the tension borne by each product is kept consistent, the assembly effect is unified, and the tension can be adjusted according to different product models or requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of flange assembly, in particular to an internal expansion assembly mechanism. Background Art

[0002] Flanges are parts that connect shafts to each other and are used to connect pipe ends. Flanges are also used on equipment inlets and outlets to connect two devices.

[0003] For example, Chinese patent CN104551496B discloses a flange assembly machine, including a pipeline conveying mechanism and an adjusting mechanism; the adjusting mechanism is located on both sides of the pipeline conveying mechanism, and the adjusting mechanism is symmetrically distributed with the pipeline conveying mechanism as the axis of symmetry; when the pipeline conveying device conveys the pipeline to the assembly position, the adjusting mechanism grabs the flange and conveys the flange to both sides of the pipeline, so that the flange and the pipeline are aligned and fitted with each other, and finally welded into one; when the pipeline assembly is completed, the pipeline conveying device is operated, and the assembled pipeline is conveyed away.

[0004] However, the operation of the flange assembly machine is complicated, the assembled flange has a short service life, poor corrosion resistance and sealing performance, high friction and wear, and high maintenance cost.

[0005] Based on this, the utility model designs an internal expansion assembly mechanism to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides an internal expansion assembly mechanism.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] The internal expansion assembly mechanism includes a main body,

[0009] The main body is equipped with a control device, a fixing device and an internal expansion device, the fixing device is equipped with a tooling product, and the control device and the fixing device are connected to the internal expansion device;

[0010] The internal expansion device comprises a tooling component and an internal expansion component. The tooling component is connected to the main body, the tooling product and the internal expansion component. The internal expansion component is connected to the main body and the control device.

[0011] Furthermore, the main body includes a frame and a placement bracket, the frame is connected to the control device, the fixing device, the tooling assembly and the internal expansion assembly, and the placement bracket is fixedly installed at the bottom of the frame.

[0012] Furthermore, the control device includes a distribution box, a control switch and a touch screen. The distribution box is electrically connected to the control switch and the touch screen. The distribution box is connected to the internal expansion component. The distribution box is fixedly installed at the bottom of the frame, the control switch is fixedly installed at the front end of the frame, and the touch screen is fixedly installed at the upper end of the frame.

[0013] Furthermore, the fixing device includes a tooling base and a product profiling block, the tooling base is detachably mounted on the upper end of the frame, the product profiling block is fixedly mounted on the upper end of the tooling base, the lower end of the tooling base is connected to the tooling assembly, and the upper end of the product profiling block is connected to the tooling product.

[0014] Furthermore, the tooling assembly includes an inner expansion sleeve and an inner expansion pulling column. The lower end of the inner expansion sleeve is disc-shaped, and the upper end of the inner expansion sleeve is cylindrical. The lower end of the inner expansion sleeve is fixedly connected to the tooling base, and the upper end of the inner expansion sleeve is contacted and connected to the product profiling block. The inner expansion sleeve is connected to the tooling product, and the interior of the inner expansion sleeve is hollow. The inner expansion pulling column is slidably connected to the interior of the inner expansion sleeve, and the inner expansion pulling column is connected to the inner expansion assembly.

[0015] Furthermore, the internal expansion component includes an electric cylinder bracket, an electric cylinder, a tension sensor and a tooling quick-change head. The electric cylinder bracket is fixedly installed on the top of the frame, the electric cylinder is fixedly installed at the lower end of the electric cylinder bracket, the electric cylinder is electrically connected to the distribution box, the output end of the electric cylinder is fixedly connected to the lower end of the tension sensor, the upper end of the tension sensor is fixedly connected to the tooling quick-change head, and the upper end of the tooling quick-change head is fixedly connected to the lower end of the internal expansion pulling column.

[0016] Furthermore, the tooling product includes a flange seat and an inner sleeve, the flange seat is located above the product shaping block, the lower end of the flange seat is in contact with the upper end of the product shaping block, the lower end of the flange seat is provided with a groove corresponding to the inner sleeve, the inner sleeve is located in the groove at the lower end of the flange seat and is in contact with the flange seat, the lower end of the outer wall of the inner sleeve is in contact with the product shaping block, and the inner wall of the inner sleeve is in contact with the upper end of the inner expansion sleeve.

[0017] Furthermore, the control device also includes a status light, which is a three-color light indicating the status of the device. The status light is electrically connected to the distribution box and is fixedly installed on the top of the frame.

[0018] The utility model has the following technical effects:

[0019] 1. The utility model drives the tooling components to perform internal expansion assembly work on the tooling products through the internal expansion components, thereby realizing rapid assembly of the products, simple operation and high efficiency.

[0020] 2. The utility model can replace different fixing devices and tooling components to adapt to different product models through the detachable connection of the tooling base and the tooling quick-change head.

[0021] 3. The utility model provides a tension sensor so that the tension on each product remains consistent, the assembly effect can be unified, and the tension can be adjusted according to different product models or requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 The three-dimensional internal expansion assembly mechanism of the utility model Figure 1 ;

[0024] Figure 2 It is a front view of the internal expansion assembly mechanism of the utility model;

[0025] Figure 3 It is a left side view of the internal expansion assembly mechanism of the utility model;

[0026] Figure 4 The three-dimensional internal expansion assembly mechanism of the utility model Figure 2 ;

[0027] Figure 5 It is a three-dimensional diagram of the fixing device, the internal expansion device and the tooling product of the utility model;

[0028] Figure 6 It is a front view of the tooling assembly and tooling product of the utility model;

[0029] Figure 7 For along Figure 6 AA direction cross-sectional view.

[0030] The numbers in the figure represent:

[0031] 1. Main body 11. Frame 12. Placement bracket 2. Control device 21. Distribution box 22. Control switch 23. Touch screen 24. Status light 3. Fixing device 31. Tooling base 32. Product profiling block 4. Internal expansion device 41. Tooling component 411. Internal expansion sleeve 412. Internal expansion column 42. Internal expansion component 421. Electric cylinder bracket 422. Electric cylinder 423. Tension sensor 424. Tooling quick-change head 5. Tooling product 51. Flange seat 52. Inner sleeve. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] The utility model is further described below in conjunction with embodiments.

[0034] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0035] Example 1

[0036] Please refer to the instruction manual Figure 1-7 , the internal expansion assembly mechanism comprises a main body 1,

[0037] The main body 1 is equipped with a control device 2, a fixing device 3 and an internal expansion device 4, the fixing device 3 is equipped with a tooling product 5, and the control device 2 and the fixing device 3 are connected to the internal expansion device 4;

[0038] The internal expansion device 4 includes a tooling component 41 and an internal expansion component 42 . The tooling component 41 is connected to the main body 1 , the tooling product 5 and the internal expansion component 42 . The internal expansion component 42 is connected to the main body 1 and the control device 2 .

[0039] The main body 1 includes a frame 11 and a placement bracket 12 . The frame 11 is connected to the control device 2 , the fixing device 3 , the tooling assembly 41 and the inner expansion assembly 42 . The placement bracket 12 is fixedly installed at the bottom of the frame 11 .

[0040] The control device 2 includes a distribution box 21, a control switch 22 and a touch screen 23. The distribution box 21 is electrically connected to the control switch 22 and the touch screen 23. The distribution box 21 is connected to the inner expansion component 42. The distribution box 21 is fixedly installed at the bottom of the frame 11, the control switch 22 is fixedly installed at the front end of the frame 11, and the touch screen 23 is fixedly installed at the upper end of the frame 11.

[0041] When the internal expansion assembly mechanism is in normal use, the staff inputs settings from the touch screen 23 so that the distribution box 21 controls and receives the working conditions of the internal expansion assembly 42, and the control switch 22 can control the operation and emergency stop of the equipment.

[0042] The fixing device 3 includes a tooling base 31 and a product profiling block 32. The tooling base 31 is detachably mounted on the upper end of the frame 11, and the product profiling block 32 is fixedly mounted on the upper end of the tooling base 31. The lower end of the tooling base 31 is connected to the tooling assembly 41, and the upper end of the product profiling block 32 is connected to the tooling product 5.

[0043] When the internal expansion assembly mechanism is used normally, the tooling base 31 is set at the upper end of the frame 11, and the product profiling block 32 matching the tooling product 5 is fixedly installed on the tooling base 31, so that the tooling product 5 can be fixed at a specified position for subsequent tooling operations.

[0044] The tooling assembly 41 includes an inner expansion sleeve 411 and an inner expansion column 412. The lower end of the inner expansion sleeve 411 is disc-shaped, and the upper end of the inner expansion sleeve 411 is cylindrical. The lower end of the inner expansion sleeve 411 is fixedly connected to the tooling base 31, and the upper end of the inner expansion sleeve 411 is in contact with the product profiling block 32. The inner expansion sleeve 411 is connected to the tooling product 5. The interior of the inner expansion sleeve 411 is hollow. The inner expansion column 412 is slidably connected to the interior of the inner expansion sleeve 411, and the inner expansion column 412 is connected to the inner expansion assembly 42.

[0045] The internal expansion component 42 includes an electric cylinder bracket 421, an electric cylinder 422, a tension sensor 423 and a tooling quick-change head 424. The electric cylinder bracket 421 is fixedly installed at the top of the frame 11, the electric cylinder 422 is fixedly installed at the lower end of the electric cylinder bracket 421, the electric cylinder 422 is electrically connected to the distribution box 21, the output end of the electric cylinder 422 is fixedly connected to the lower end of the tension sensor 423, the upper end of the tension sensor 423 is fixedly connected to the tooling quick-change head 424, and the upper end of the tooling quick-change head 424 is fixedly connected to the lower end of the internal expansion pulling column 412.

[0046] The tooling product 5 includes a flange seat 51 and an inner sleeve 52. The flange seat 51 is located above the product profiling block 32. The lower end of the flange seat 51 is in contact with the upper end of the product profiling block 32. A groove corresponding to the inner sleeve 52 is opened at the lower end of the flange seat 51. The inner sleeve 52 is located in the groove at the lower end of the flange seat 51 and is in contact with the flange seat 51. The lower end of the outer wall of the inner sleeve 52 is in contact with the product profiling block 32, and the inner wall of the inner sleeve 52 is in contact with the upper end of the inner expansion sleeve 411.

[0047] When the internal expansion assembly mechanism is in normal use, the electric cylinder 422 runs to pull the tension sensor 423 downward, and the tension sensor 423 transmits the received tension data to the distribution box 21 through an electrical signal. When the tension exceeds or does not reach the set value, the distribution box 21 controls the electric cylinder 422 to return to the initial position and stop working, and the staff takes out the tooling product 5. When the tension is at the set value, the tension sensor 423 drives the tooling quick-change head 424 to move downward, and the tooling quick-change head 424 drives the internal expansion column 412 to move downward. The internal expansion column 412 moves downward to squeeze the upper cylindrical part of the internal expansion sleeve 411, and the internal expansion sleeve 411 presses the inner liner 52 so that the inner liner 52 fits tightly with the flange seat 51 to complete the assembly; when it is necessary to assemble other models of products, the tooling quick-change head 424 is disassembled and separated from the internal expansion column 412, and the tooling base 31 is disassembled and separated from the frame 11, and different fixing devices 3 and tooling components 41 are replaced accordingly to adapt to different tooling products 5.

[0048] The control device 2 further includes a status light 24 , which is a three-color light indicating the status of the device. The status light 24 is electrically connected to the distribution box 21 , and the status light 24 is fixedly mounted on the top of the frame 11 .

[0049] When the internal expansion assembly mechanism is in normal use, when the equipment is assembled or the tension is not the specified value, the status light 24 will emit different sounds and lights to alert the staff according to different situations.

[0050] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An internal expansion assembly mechanism, comprising a main body (1), characterized in that: The main body (1) is equipped with a control device (2), a fixing device (3) and an internal expansion device (4); the fixing device (3) is equipped with a tooling product (5); the control device (2) and the fixing device (3) are connected to the internal expansion device (4); The internal expansion device (4) comprises a tooling component (41) and an internal expansion component (42); the tooling component (41) is connected to the main body (1), the tooling product (5) and the internal expansion component (42); and the internal expansion component (42) is connected to the main body (1) and the control device (2).

2. The internal expansion assembly mechanism according to claim 1, characterized in that: The main body (1) comprises a frame (11) and a placement bracket (12); the frame (11) is connected to a control device (2), a fixing device (3), a tooling assembly (41) and an internal expansion assembly (42); and the placement bracket (12) is fixedly installed on the inner bottom of the frame (11).

3. The internal expansion assembly mechanism according to claim 2, characterized in that: The control device (2) comprises a distribution box (21), a control switch (22) and a touch screen (23); the distribution box (21) is electrically connected to the control switch (22) and the touch screen (23); the distribution box (21) is connected to the inner expansion component (42); the distribution box (21) is fixedly mounted on the bottom of the frame (11); the control switch (22) is fixedly mounted on the front end of the frame (11); and the touch screen (23) is fixedly mounted on the upper end of the frame (11).

4. The internal expansion assembly mechanism according to claim 3, characterized in that: The fixing device (3) comprises a tooling base (31) and a product profiling block (32); the tooling base (31) is detachably mounted on the upper end of the frame (11); the product profiling block (32) is fixedly mounted on the upper end of the tooling base (31); the lower end of the tooling base (31) is connected to the tooling assembly (41); and the upper end of the product profiling block (32) is connected to the tooling product (5).

5. The internal expansion assembly mechanism according to claim 4, characterized in that: The tooling assembly (41) comprises an inner expansion sleeve (411) and an inner expansion column (412); the lower end of the inner expansion sleeve (411) is disc-shaped, and the upper end of the inner expansion sleeve (411) is cylindrical; the lower end of the inner expansion sleeve (411) is fixedly connected to the tooling base (31), and the upper end of the inner expansion sleeve (411) is in contact with and connected to a product profiling block (32); the inner expansion sleeve (411) is connected to the tooling product (5); the interior of the inner expansion sleeve (411) is hollow; the inner expansion column (412) is slidably connected to the interior of the inner expansion sleeve (411); and the inner expansion column (412) is connected to the inner expansion assembly (42).

6. The internal expansion assembly mechanism according to claim 5, characterized in that: The internal expansion component (42) comprises an electric cylinder bracket (421), an electric cylinder (422), a tension sensor (423) and a tooling quick-change head (424); the electric cylinder bracket (421) is fixedly mounted on the top of the frame (11); the electric cylinder (422) is fixedly mounted on the lower end of the electric cylinder bracket (421); the electric cylinder (422) is electrically connected to the distribution box (21); the output end of the electric cylinder (422) is fixedly connected to the lower end of the tension sensor (423); the upper end of the tension sensor (423) is fixedly connected to the tooling quick-change head (424); and the upper end of the tooling quick-change head (424) is fixedly connected to the lower end of the internal expansion column (412).

7. The internal expansion assembly mechanism according to claim 6, characterized in that: The tooling product (5) comprises a flange seat (51) and an inner bushing (52); the flange seat (51) is located above the product profiling block (32); the lower end of the flange seat (51) is in contact with the upper end of the product profiling block (32); a groove corresponding to the inner bushing (52) is provided at the lower end of the flange seat (51); the inner bushing (52) is located in the groove at the lower end of the flange seat (51) and is in contact with the flange seat (51); the lower end of the outer wall of the inner bushing (52) is in contact with the product profiling block (32); and the inner wall of the inner bushing (52) is in contact with the upper end of the inner expansion sleeve (411).

8. The internal expansion assembly mechanism according to claim 6, characterized in that: The control device (2) further comprises a status light (24), which is a three-color light indicating the status of the device. The status light (24) is electrically connected to the distribution box (21), and the status light (24) is fixedly mounted on the top of the frame (11).

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