Exhaust pipe seat body machining and remodeling device

Abstract

The utility model relates to an exhaust pipe seat body machining and remodeling device. The exhaust pipe seat body machining and remodeling device comprises a tool base plate, a positioning pin structure, a clamping structure, a pressing plate structure and a balance block. A plurality of to-be-produced part positions are arranged on the tool chassis close to the outer circumference, and a corresponding positioning pin structure, a clamping structure and a pressing plate structure are arranged near each to-be-produced part position; and all the positioning pin structures, the clamping structures and the pressing plate structures are detachably connected with the upper surface of the tool chassis through connecting devices. The utility model has the beneficial effects that: a plurality of parts can be processed by quickly remodeling; compared with the prior art, a tool on a part to be produced does not need to be dismounted, the machining quality and machining efficiency of the part can be improved, and stability is achieved; the exhaust pipe seat body machining and remodeling device is simple in structure, easy to operate and high in repeated precision; according to the utility model, unnecessary shunting and remodeling cost can be saved, and the device can be popularized and used in tool design structures of similar parts.

Description

Technical Field

[0001] The utility model belongs to the technical field of exhaust pipe seat body processing tooling fixtures, in particular to an exhaust pipe seat body processing and changing device. Background Art

[0002] As an important part of engineering machinery, the position and size of the pipe mouth of the exhaust pipe seat body are very important for assembly. Therefore, special tooling needs to be designed for the processing of the pipe mouth of the exhaust pipe seat body. The types and sizes of exhaust pipe seats are different, and special tooling needs to be designed according to the positioning reference. When there are many varieties and few equipment, it is necessary to adjust the limited equipment to change the model to process the required products, and the tooling on the equipment needs to be removed and replaced with the required special model tooling. Each adjustment and change requires tedious work such as disassembly, commissioning, and testing, which is time-consuming and labor-intensive, which greatly increases the cost of the enterprise and affects the delivery of parts. Utility Model Content

[0003] The utility model aims to overcome the deficiencies in the prior art and provide an exhaust pipe seat body processing and changing device.

[0004] The exhaust pipe seat body processing and changing device comprises: a tooling chassis, a positioning pin structure, a clamping structure, a pressure plate structure and a balance block; a plurality of positions for parts to be produced are arranged near the outer circumference of the tooling chassis, and a corresponding positioning pin structure, a clamping structure and a pressure plate structure are arranged near each position for parts to be produced; all positioning pin structures, clamping structures and pressure plate structures are detachably connected to the upper surface of the tooling chassis through a connecting device; the tooling chassis is a flange;

[0005] A fixed position for the part to be produced is formed between the positioning pin structure, the clamping structure and the pressure plate structure near each part to be produced position. The positioning pin structure is used to position the part to be produced at the corresponding part to be produced position, the clamping structure is used to clamp the part to be produced, and the pressure plate structure is used to further press the part to be produced to the surface of the tooling chassis. On the tooling chassis, a balancing block with a weight equivalent to that of the part to be produced is provided on the other side of the axis where the part to be produced is located. The balancing block is used to balance the weight of the part to be produced when processing the part to be produced, so as to prevent the tooling chassis from tilting due to uneven weight.

[0006] Preferably: the positioning pin structure is a plurality of positioning pins arranged near the part to be produced, the clamping structure is a large-mouth auxiliary clamping screw structure arranged on the left and right sides of the part to be produced, and the pressure plate structure is a small-mouth pressure plate arranged on the left and right sides of the part to be produced.

[0007] As a preferred embodiment: three positions for parts to be produced are provided, namely, a first position for parts to be produced, a second position for parts to be produced and a third position for parts to be produced; a positioning pin is provided near the first position for parts to be produced, and small tube mouth pressure plates and large tube mouth auxiliary clamping screw structures are provided on both sides of the first position for parts to be produced; the second position for parts to be produced and the third position for parts to be produced are the same as the first position for parts to be produced, and positioning pins, small tube mouth pressure plates and large tube mouth auxiliary clamping screw structures are provided near themselves.

[0008] As a preferred embodiment: all large pipe opening auxiliary clamping screw structures are externally sleeved with guide bushings, which are interference fit with the large pipe opening auxiliary clamping screw structures, and the guide bushings act as a buffer, thereby extending the service life of the large pipe opening auxiliary clamping screw structures and the tooling chassis.

[0009] As a preferred embodiment: a clearance hole is provided on the small tube mouth pressure plate, so that the small tube mouth pressure plate can match the shape of the part to be produced, and the pressing effect is better.

[0010] As a preferred embodiment, all the positioning pin structures, the clamping structures and the pressure plate structures are detachably connected to the upper surface of the tooling chassis by screws, and the tooling chassis is provided with through holes matching the screws.

[0011] Preferably: each part to be produced is also provided with movable vertical plates on both sides, and a depression is provided on the upper part of the movable vertical plates, the shape of the depression matches the shape of the outer edge of the part to be produced, and is used to raise the part to be produced to a set height while fixing the part to be produced on the tooling chassis, thereby preventing the part to be produced from contacting the upper surface of the tooling chassis and avoiding wear on the tooling chassis during the production of parts.

[0012] As a preferred embodiment, the balancing block is fixed to the tooling chassis by screws on the other side of the axis where the part to be produced is located.

[0013] The beneficial effects of the utility model are:

[0014] The exhaust pipe seat body processing and changing device designed by the utility model can quickly change the mold to realize the processing of multiple parts; compared with the existing technology, the utility model does not need to remove the tooling on the parts to be produced, can improve the processing quality and efficiency of the parts, and has stability; the exhaust pipe seat body processing and changing device has a simple structure, simple operation, and high repetition accuracy; the utility model can save unnecessary shunting and changing costs, and can also be promoted and used in the tooling design structure of similar parts.

[0015] The utility model provides a balancing block with a weight equivalent to that of the part to be produced on the other side of the axis where the part to be produced is located, and the balancing block is used to balance the weight of the part to be produced when processing the part, so as to prevent the tooling chassis from tilting due to uneven weight; the guide bushing is interference fit with the auxiliary clamping screw structure of the large pipe mouth, and the guide bushing plays a buffering role, which can extend the service life of the auxiliary clamping screw structure of the large pipe mouth and the tooling chassis; a clearance hole is provided on the pressure plate of the small pipe mouth, so that the pressure plate of the small pipe mouth matches the shape of the part to be produced, and the clamping effect is better; a recess is provided on the upper part of the movable vertical plate, and the shape of the recess matches the shape of the outer edge of the part to be produced, which is used to raise the part to be produced to a set height while fixing the part to be produced on the tooling chassis, thereby preventing the part to be produced from contacting with the upper surface of the tooling chassis and avoiding wear of the tooling chassis during the production of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the installation of a part to be produced for the exhaust pipe seat body processing change device;

[0017] Figure 2 A schematic diagram of three parts to be produced on the exhaust pipe seat body processing changeover device;

[0018] Figure 3 This is a schematic diagram of the installation of the guide bushing;

[0019] Figure 4 is a structural schematic diagram of the guide bushing;

[0020] Figure 5 This is a schematic diagram of a small pipe opening pressure plate with a clearance hole;

[0021] Figure 6 It is a structural schematic diagram of the movable vertical plate.

[0022] Explanation of the reference numerals: tooling chassis 1, first part to be produced position 2, second part to be produced position 3, third part to be produced position 4, locating pin 5, small pipe opening pressure plate 6, large pipe opening auxiliary clamping screw structure 7, balancing block 8, part to be produced 9, guide bushing 10, through hole 11, make way hole 12, movable vertical plate 13. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the embodiments. The description of the following embodiments is only used to help understand the utility model. It should be pointed out that for ordinary people in this technical field, the utility model can also be modified in some ways without departing from the principle of the utility model, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

[0024] As an example, Figures 1 to 6As shown, an exhaust pipe seat body processing and changing device comprises: a tooling chassis 1, a positioning pin structure, a clamping structure, a pressure plate structure and a balancing block 8; three positions for parts to be produced, namely, a first position for parts to be produced 2, a second position for parts to be produced 3 and a third position for parts to be produced 4, are arranged near the outer circumference of the tooling chassis 1; a positioning pin 5 is arranged near the first position for parts to be produced 2, and a small pipe opening pressure plate 6 and a large pipe opening auxiliary clamping screw structure 7 are arranged on both sides of the first position for parts to be produced 2; the second position for parts to be produced 3 and the third position for parts to be produced 4 are the same as the first position for parts to be produced 2, and positioning pins 5, small pipe opening pressure plates 6 and large pipe opening auxiliary clamping screw structures 7 are arranged near themselves; all positioning pins 5, large pipe opening auxiliary clamping screw structures 7 and small pipe opening pressure plates 6 are detachably connected to the upper surface of the tooling chassis 1 by screws;

[0025] A fixed position of the part 9 to be produced is formed between the positioning pin 5, the small pipe opening pressure plate 6 and the large pipe opening auxiliary clamping screw structure 7 near each part position to be produced. The positioning pin 5 is used to position the part 9 to be produced at the corresponding part position to be produced, the large pipe opening auxiliary clamping screw structure 7 is used to clamp the part 9 to be produced, and the small pipe opening pressure plate 6 is used to further press the part 9 to be produced to the surface of the tooling chassis 1;

[0026] All large-mouth auxiliary clamping screw structures 7 are externally sleeved with guide bushings 10, which are interference fit with the large-mouth auxiliary clamping screw structures 7, and play a buffering role, which can extend the service life of the large-mouth auxiliary clamping screw structures and the tooling chassis; the small-mouth pressure plate 6 is provided with a clearance hole 12, so that the small-mouth pressure plate 6 matches the shape of the part to be produced, and the clamping effect is better; on the tooling chassis 1, a balancing block 8 with a weight equivalent to that of the part to be produced 9 is provided on the other side of the axis where the part to be produced 9 is located, and the balancing block 8 is fixed to the tooling chassis 1 on the other side of the axis where the part to be produced 9 is located by screws; the balancing block is used to balance the weight of the part to be produced when processing the part, to prevent the tooling chassis from tilting due to uneven weight.

[0027] Each part to be produced is also provided with movable vertical plates 13 on both sides. A depression is provided on the upper part of the movable vertical plates 13. The shape of the depression matches the outer edge shape of the part to be produced 9. It is used to set the height of the part to be produced 9 too high while fixing the part to be produced 9 on the tooling chassis 1, thereby preventing the part to be produced 9 from contacting the upper surface of the tooling chassis 1 and avoiding wear on the tooling chassis during the production of parts.

[0028] When the exhaust pipe seat body processing and changing device is working:

[0029] First, determine which part position to be produced will be used for part processing (here, determine to process the first part position 2 to be produced), retain the locating pin A5, the small tube mouth pressure plate 6 and the large tube mouth auxiliary clamping screw structure 7; remove the locating pin A5, the small tube mouth pressure plate 6 and the large tube mouth auxiliary clamping screw structure 7 corresponding to the third part position 4 to be produced; install the first part to be produced according to the locating pin position corresponding to the locating hole, and then carry out shunting processing.

[0030] After completing the batch processing of the first parts to be produced, remove the locating pin A5, the small tube mouth pressure plate 6 and the large tube mouth auxiliary clamping screw structure 7 corresponding to the first part position 2 to be produced; install the locating pin A5, the small tube mouth pressure plate 6 and the large tube mouth auxiliary clamping screw structure 7 corresponding to the second part position 3 to be produced according to the locating pin position corresponding to the locating hole; then the second part to be produced can be processed.

[0031] After the batch processing of the second part to be produced is completed, the positioning pin A5, the small pipe opening pressure plate 6 and the large pipe opening auxiliary clamping screw structure 7 corresponding to the second part to be produced position 3 are removed;

[0032] According to the locating pin position corresponding to the locating hole, the locating pin A5, the small pipe opening pressure plate 6 and the large pipe opening auxiliary clamping screw structure 7 corresponding to the third part to be produced are installed, and the third part to be produced can be processed.

[0033] The advantages of using the exhaust pipe seat body processing and changing device designed in this embodiment are as follows: the tooling structure can complete the mutual changing processing of three part numbers in one clamping, saving 25,000 to 30,000 yuan in tooling manufacturing costs for two part number special tools compared with the original single part number special tooling; the change time for a single part number special tooling is 3 hours, and now the change of shape can be completed in less than 0.5 hours, and the amount of money saved for each change of shape is about 375 yuan.

Claims

1. An exhaust pipe seat body processing and changing device, characterized in that: include: A tooling chassis (1), a positioning pin structure, a clamping structure, a pressure plate structure and a balancing block (8); a plurality of positions for parts to be produced are arranged near the outer circumference of the tooling chassis (1), and a corresponding positioning pin structure, a clamping structure and a pressure plate structure are arranged near each position for parts to be produced; all positioning pin structures, clamping structures and pressure plate structures are detachably connected to the upper surface of the tooling chassis (1) via a connecting device; A fixed position of the part to be produced (9) is formed between the positioning pin structure, the clamping structure and the pressure plate structure near each part to be produced position; the positioning pin structure is used to position the part to be produced (9) at the corresponding part to be produced position; the clamping structure is used to clamp the part to be produced (9); and the pressure plate structure is used to further press the part to be produced (9) onto the surface of the tooling chassis (1); a balancing block (8) having a weight equivalent to that of the part to be produced (9) is provided on the tooling chassis (1) on the other side of the axis where the part to be produced (9) is located.

2. The exhaust pipe seat body processing and changing device according to claim 1, characterized in that: The positioning pin structure is a plurality of positioning pins (5) arranged near the position of the part to be produced, the clamping structure is a large-mouth auxiliary clamping screw structure (7) arranged on the left and right sides of the position of the part to be produced, and the pressure plate structure is a small-mouth pressure plate (6) arranged on the left and right sides of the position of the part to be produced.

3. The exhaust pipe seat body processing and changing device according to claim 2, characterized in that: Three positions for parts to be produced are provided, namely a first position for parts to be produced (2), a second position for parts to be produced (3) and a third position for parts to be produced (4); a positioning pin (5) is provided near the first position for parts to be produced (2), and small pipe opening pressure plates (6) and large pipe opening auxiliary clamping screw structures (7) are provided on both sides of the first position for parts to be produced (2); the second position for parts to be produced (3) and the third position for parts to be produced (4) are the same as the first position for parts to be produced (2), and positioning pins (5), small pipe opening pressure plates (6) and large pipe opening auxiliary clamping screw structures (7) are provided near themselves.

4. The exhaust pipe seat body processing and changing device according to claim 3, characterized in that: All large pipe opening auxiliary clamping screw structures (7) are sleeved with guide bushings (10) on their exteriors, and the guide bushings (10) are interference fit with the large pipe opening auxiliary clamping screw structures (7).

5. The exhaust pipe seat body processing and changing device according to claim 3, characterized in that: The small-tube-mouth pressing plate (6) is provided with a clearance hole (12) so that the small-tube-mouth pressing plate (6) can match the shape of the part to be produced.

6. The exhaust pipe seat body processing and changing device according to claim 1, characterized in that: All positioning pin structures, clamping structures and pressure plate structures are detachably connected to the upper surface of the tooling chassis (1) via screws, and the tooling chassis (1) is provided with through holes (11) matching the screws.

7. The exhaust pipe seat body processing and changing device according to claim 1, characterized in that: Each part to be produced is also provided with movable upright plates (13) on both sides, and a recess is provided on the upper part of the movable upright plates (13). The shape of the recess matches the shape of the outer edge of the part to be produced (9), and is used to raise the part to be produced (9) to a set height while fixing the part to be produced (9) on the tooling chassis (1), thereby preventing the part to be produced (9) from contacting the upper surface of the tooling chassis (1).

8. The exhaust pipe seat body processing and changing device according to claim 1, characterized in that: The balancing block (8) is fixed to the tooling chassis (1) by screws on the other side of the axis where the part (9) to be produced is located.

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