A tire expansion tool used for processing annular thin-walled parts

Abstract

The utility model discloses a tire expansion tooling used for processing annular thin-walled parts, including a base, a tire expansion seat is arranged at the top of the base, a tire expansion cavity is arranged on the inner side of the tire expansion seat, a tire expansion boss is arranged on the top between the inner sides of the tire expansion cavity, and a positioning groove is arranged on the top of the outer side of the tire expansion seat. By arranging a lifting component between the inside of the base and the bottom end of the tire expansion boss, when in use, the annular thin-walled part to be processed is positioned inside the positioning groove, and then the lifting electric cylinder is started to drive the lifting column and the tire expansion boss to descend to prop up the tire expansion seat and fix the annular thin-walled part. At the same time, the lifting column is limited and stabilized by a stabilizing sleeve, and the lifting process of the lifting column is smoother and more wear-resistant by a graphite coating arranged on the inner side of the stabilizing sleeve, thereby achieving the effect of automatically lifting and adjusting the tire expansion and fixing of the annular thin-walled part, without the need for manual adjustment of the tire expansion tooling, which is more convenient for processing workers to operate and use the tooling.

Description

Technical Field

[0001] The utility model relates to the technical field of tire expansion tooling, in particular to a tire expansion tooling used for processing annular thin-walled parts. Background Art

[0002] Annular thin-walled parts are a common engineering structural element, which is characterized by a relatively small cross-sectional size and a relatively large circumference. When processing annular thin-walled parts, it is necessary to use a tire expansion tool to position and stabilize them to ensure the processing quality of the annular thin-walled parts;

[0003] For example, a tire expansion tooling used for processing annular thin-walled parts disclosed in the utility model with the authorization announcement number CN217315938U includes a chuck seat arranged on a workbench; a tire expansion assembly is fixedly connected to the upper part of the chuck seat; an annular thin-walled part is arranged on the upper part of the tire expansion assembly; the tire expansion assembly includes a tire expansion seat, a tightening washer and a clamping bolt; the tire expansion seat is an inverted stepped columnar structure, and a stepped boss for mounting the annular thin-walled part is arranged on the upper circumferential surface of the tire expansion seat. The utility model can clamp the annular thin-walled part on the tire expansion seat, and the tightening washer and the clamping bolt are used in combination, and the size of the tire expansion cavity in the tire expansion seat can be adjusted by the number of turns of the clamping bolt, so that the annular thin-walled part can be limited and fixed for processing; the tooling is easy to operate, can limit and fix the annular thin-walled part, prevent the annular thin-walled part from deforming during processing, etc., has higher stability, can meet the turning finishing requirements, and improve processing efficiency. However, during the application of this technical solution, it is necessary to manually or with the help of tools to screw down the clamping bolts and the expansion washers to expand the tire expander to fix the annular thin-walled parts. The manual operation is inconvenient, time-consuming and labor-intensive, affecting the processing efficiency of the annular thin-walled parts. There is a technical problem that the annular thin-walled parts cannot be fixed by the expansion tire expander efficiently and quickly. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a tire expansion tooling for use in the processing of annular thin-walled parts, which can solve the problem of needing to expand the tire expansion seat to fix the annular thin-walled parts by manually or with the aid of tools to screw down the clamping bolts and the expansion washers, but the manual operation is inconvenient, time-consuming and labor-intensive, affecting the processing efficiency of the annular thin-walled parts, and there is a technical problem that the annular thin-walled parts cannot be fixed by the expanding tire expansion seat efficiently and quickly.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a tire inflation tooling used for processing annular thin-walled parts, comprising a base, a tire inflation seat is arranged at the top of the base, a tire inflation cavity is arranged on the inner side of the tire inflation seat, a tire inflation boss is arranged on the top between the inner sides of the tire inflation cavity, a positioning groove is arranged on the top of the outer side of the tire inflation seat, a lifting column is arranged on the bottom end of the tire inflation boss, a heat dissipation groove is arranged on one side of the base near the bottom, a lifting electric cylinder is arranged at the middle position of the bottom end of the base, a stabilizing sleeve is passed through the middle position of the top end of the base, a graphite coating is arranged on the inner side of the stabilizing sleeve, and a guiding stabilizing component is arranged between the bottom end of the tire inflation seat and the top end of the base.

[0006] As a preferred technical solution of the utility model, the bottom end of the lifting column is inserted into the interior of the stabilizing sleeve, and the diameter of the lifting column is smaller than the inner diameter of the stabilizing sleeve.

[0007] As a preferred technical solution of the utility model, the bottom end of the lifting column and the top end of the lifting electric cylinder are fixedly connected, and the graphite coating is evenly distributed on the inner side of the stabilizing sleeve.

[0008] As a preferred technical solution of the utility model, the tire expansion seat is fan-shaped, the tire expansion seat is arranged in a ring shape with equal intervals on the top of the base, and the heat dissipation grooves are arranged in equal intervals on one side of the base near the bottom.

[0009] As a preferred technical solution of the utility model, the guiding and stabilizing assembly includes a limiting guide rail, and the limiting guide rail is arranged on both sides and both ends of the top of the base, and a connecting block is arranged at the bottom end of the tire expansion seat, and a movable slide is arranged at the bottom end of the connecting block, and the movable slide is embedded in the interior of the limiting guide rail, and a return spring is arranged between one side of the movable slide and one side inside the limiting guide rail.

[0010] As a preferred technical solution of the utility model, four groups of the limiting guide rails are provided, and the limiting guide rails are arranged at equal intervals at the top end inside the base, and the movable slide can slide inside the limiting guide rails.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. A lifting assembly is arranged between the inside of the base and the bottom end of the tire expansion boss. When in use, the annular thin-walled part to be processed is positioned inside the positioning groove, and then the lifting electric cylinder is started to drive the lifting column and the tire expansion boss to descend to open the tire expansion seat and fix the annular thin-walled part. At the same time, the lifting column is limited and stabilized by the stabilizing sleeve, and the graphite coating arranged on the inside of the stabilizing sleeve can make the lifting process of the lifting column smoother and more wear-resistant, thereby achieving the effect of automatically lifting and adjusting the tire expansion and fixing the annular thin-walled part, without the need for manual adjustment of the tire expansion tooling, which is more convenient for processing workers to operate and use the tooling;

[0013] 2. A guiding stabilizing component is provided between the bottom end of the tire expanding seat and the top end inside the base. When the tire expanding seat is in use, the connecting block drives the movable slide to slide outward inside the limiting guide rail when it is expanded, so as to achieve the purpose of stabilizing the tire expanding seat and ensure the stability of the annular thin-walled part fixed by the tire expanding tool. At the same time, the reset spring is stretched. After the annular thin-walled part is processed and the top of the tire expanding boss is raised, the contraction tension of the reset spring drives the movable slide to slide inward in the limiting guide rail, thereby driving the tire expanding seat to move toward each other and reset, and the feasibility is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the base of the utility model;

[0016] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0017] Figure 4 For the utility model Figure 2 Enlarged structural diagram at A in the middle.

[0018] Among them: 1. Base; 2. Limiting guide rail; 3. Heat dissipation groove; 4. Tire expansion seat; 5. Positioning groove; 6. Tire expansion boss; 7. Lifting electric cylinder; 8. Stabilizing sleeve; 9. Moving slide; 10. Connecting block; 11. Tire expansion cavity; 12. Lifting column; 13. Reset spring; 14. Graphite coating. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0020] Example

[0021] Please refer to Figure 1-4 As shown, the utility model provides a tire expansion tooling for processing annular thin-walled parts, including a base 1, a fan-shaped tire expansion seat 4 is arranged at the top of the base 1, and the tire expansion seat 4 is arranged at an equal interval in a ring shape on the top of the base 1, a tire expansion cavity 11 is arranged on the inner side of the tire expansion seat 4, and a tire expansion boss 6 is arranged on the top between the inner sides of the tire expansion cavity 11, and the tire expansion seat 4 can be expanded and fixed to the annular thin-walled part by adjusting the tire expansion boss 6 to descend in the tire expansion cavity 11, a positioning groove 5 is arranged on the top of the outer side of the tire expansion seat 4, and the position of the annular thin-walled part can be limited by the positioning groove 5, and a lifting column 12 is arranged at the bottom end of the tire expansion boss 6, and a heat dissipation groove 3 is arranged at a position near the bottom on one side of the inner side of the base 1, and the heat dissipation groove 3 is arranged at an equal interval on one side of the inner side of the base 1 near the bottom;

[0022] As a further implementation of this embodiment, Figure 1 , Figure 2 and Figure 4 As shown, a lifting electric cylinder 7 is arranged at the middle position of the bottom end of the base 1, and a stabilizing sleeve 8 is arranged at the middle position of the top end of the base 1. The bottom end of the lifting column 12 is inserted into the inside of the stabilizing sleeve 8, and the diameter of the lifting column 12 is smaller than the inner diameter of the stabilizing sleeve 8. The bottom end of the lifting column 12 is fixedly connected to the top end of the lifting electric cylinder 7. The lifting electric cylinder 7 drives the lifting column 12 and the tire expansion boss 6 to descend to open and fix the tire expansion seat 4 to fix the annular thin-walled part. At the same time, the lifting column 12 is limited and stabilized by the stabilizing sleeve 8. A graphite coating 14 is arranged on the inner side of the stabilizing sleeve 8. The graphite coating 14 is evenly distributed on the inner side of the stabilizing sleeve 8. The graphite coating 14 arranged on the inner side of the stabilizing sleeve 8 can make the lifting process of the lifting column 12 smoother and more wear-resistant, thereby achieving the effect of automatically lifting and adjusting the tire expansion and fixing the annular thin-walled part, without the need for manual adjustment of the tire expansion tooling, which is more convenient for processing workers to operate and use the tooling.

[0023] When in use, the annular thin-walled part to be processed is positioned inside the positioning groove 5, and then the lifting electric cylinder 7 is started to drive the lifting column 12 and the tire expansion boss 6 to descend, so as to expand the tire expansion seat 4 and fix the annular thin-walled part. At the same time, the lifting column 12 is limited and stabilized by the stabilizing sleeve 8, and the graphite coating 14 arranged inside the stabilizing sleeve 8 can make the lifting process of the lifting column 12 smoother and more wear-resistant;

[0024] As a further implementation of this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, a guiding and stabilizing assembly is arranged between the bottom end of the tire-inflating seat 4 and the top end inside the base 1, and the guiding and stabilizing assembly includes a limiting guide rail 2, and the limiting guide rail 2 is arranged on both sides and both ends of the top of the base 1. The limiting guide rail 2 is provided with four groups, and the limiting guide rail 2 is arranged at an equal interval at the top end inside the base 1. A connecting block 10 is provided at the bottom end of the tire-inflating seat 4, and a movable slide 9 is provided at the bottom end of the connecting block 10. The movable slide 9 is embedded in the inside of the limiting guide rail 2, and the movable slide 9 can slide in the inside of the limiting guide rail 2. The tire-inflating seat 4 is When expanding, the connecting block 10 drives the movable slide 9 to slide outward inside the limiting guide rail 2, so as to achieve the purpose of stabilizing the tire expansion seat 4 and ensure the stability of the annular thin-walled member fixed by the tire expansion tool. A reset spring 13 is arranged between one side of the movable slide 9 and one side inside the limiting guide rail 2. After the tire expansion boss 6 is completed and lifted up, the contraction tension of the reset spring 13 drives the movable slide 9 to slide inward inside the limiting guide rail 2, so as to achieve the effect of driving the tire expansion seat 4 to move toward each other and reset, and the feasibility is strong.

[0025] When the tire-inflating seat 4 is expanded, the connecting block 10 drives the movable slide 9 to slide outward inside the limiting guide rail 2 to stabilize the tire-inflating seat 4, and at the same time, the reset spring 13 is stretched. After the annular thin-walled part is processed and the tire-inflating boss 6 is lifted up, the contraction tension of the reset spring 13 drives the movable slide 9 to slide inward inside the limiting guide rail 2, thereby driving the tire-inflating seat 4 to move toward each other and reset;

[0026] Specific working principle:

[0027] When using the tire expansion tool, first position the annular thin-walled part to be processed to the inner side of the positioning groove 5, then start the lifting electric cylinder 7 to drive the lifting column 12 and the tire expansion boss 6 to descend in the tire expansion cavity 11 to expand the tire expansion seat 4 and fix the annular thin-walled part, and at the same time, the lifting column 12 is limited and stabilized by the stabilizing sleeve 8, and the graphite coating 14 arranged on the inner side of the stabilizing sleeve 8 can make the lifting process of the lifting column 12 smoother and more wear-resistant, and the heat generated by the operation of the lifting electric cylinder 7 is dissipated through the heat dissipation groove 3, and when the tire expansion seat 4 is expanded, the movable slide 9 is driven by the connecting block 10 to slide outward inside the limiting guide rail 2 to stabilize the tire expansion seat 4, and at the same time, the reset spring 13 is stretched. After the processing of the annular thin-walled part is completed and the tire expansion boss 6 is lifted up, the movable slide 9 is driven by the contraction tension of the reset spring 13 to slide inward in the limiting guide rail 2, thereby driving the tire expansion seat 4 to move toward each other and reset. After the tire expansion seat 4 is reset, the processed annular thin-walled part can be taken out.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A tire expansion tool used for processing annular thin-walled parts, comprising a base (1), characterized in that: A tire expansion seat (4) is arranged at the top of the base (1), a tire expansion cavity (11) is arranged on the inner side of the tire expansion seat (4), a tire expansion boss (6) is arranged at the top between the inner sides of the tire expansion cavity (11), a positioning groove (5) is arranged on the top of the outer side of the tire expansion seat (4), a lifting column (12) is arranged at the bottom end of the tire expansion boss (6), a heat dissipation groove (3) is arranged at a position close to the bottom of one side of the base (1), a lifting electric cylinder (7) is arranged at the middle position of the bottom end of the base (1), a stabilizing sleeve (8) is inserted at the middle position of the top end of the base (1), a graphite coating (14) is arranged on the inner side of the stabilizing sleeve (8), and a guiding stabilizing component is arranged between the bottom end of the tire expansion seat (4) and the top end of the base (1).

2. The tire expansion tool used for processing annular thin-walled parts according to claim 1, characterized in that: The bottom end of the lifting column (12) is inserted into the interior of the stabilizing sleeve (8), and the diameter of the lifting column (12) is smaller than the inner diameter of the stabilizing sleeve (8).

3. The tire expansion tool used for processing annular thin-walled parts according to claim 1, characterized in that: The bottom end of the lifting column (12) is fixedly connected to the top end of the lifting electric cylinder (7), and the graphite coating (14) is evenly distributed on the inner side of the stabilizing sleeve (8).

4. The tire expansion tool used for processing annular thin-walled parts according to claim 1, characterized in that: The tire expansion seat (4) is fan-shaped, and the tire expansion seat (4) is arranged in a circular shape at equal intervals on the top of the base (1), and the heat dissipation grooves (3) are arranged in equal intervals at a position close to the bottom of one side of the inside of the base (1).

5. The tire expansion tool for processing annular thin-walled parts according to claim 1, characterized in that: The guiding and stabilizing assembly comprises a limiting guide rail (2), wherein the limiting guide rail (2) is arranged on both sides and both ends of the top of the base (1), a connecting block (10) is arranged at the bottom end of the tire expansion seat (4), a movable slide seat (9) is arranged at the bottom end of the connecting block (10), and the movable slide seat (9) is embedded in the interior of the limiting guide rail (2), and a return spring (13) is arranged between one side of the movable slide seat (9) and one side inside the limiting guide rail (2).

6. The tire expansion tool used for processing annular thin-walled parts according to claim 5, characterized in that: The position limiting guide rails (2) are provided in four groups. The position limiting guide rails (2) are arranged at equal intervals at the top end inside the base (1), and the movable slide seat (9) can slide inside the position limiting guide rails (2).

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