Pressure shaping device for gear machining

Abstract

The utility model discloses a pressure shaping device for gear machining, which comprises a machining table and a machining station arranged on the top of the machining table through a plurality of supporting foot stools and used for carrying a gear, an inner ring hole is formed in the center of the machining station, and a supporting disc matched with the inner ring hole is arranged on the machining table through a rotating mechanism. A plurality of expansion ring plates for extruding the inner wall of the gear mounting hole are arranged on the supporting disc through a moving assembly, and the expansion ring plates are spliced into a cylindrical expansion cylinder; the utility model relates to the technical field of shaping devices. According to the pressure shaping device for gear machining, the shaping module is driven by the lifting air cylinder to do downward linear motion, the multiple expansion ring plates are expanded through the shaping module, then the multiple expansion ring plates synchronously and linearly slide on the corresponding smooth guide rods along with the moving blocks, and therefore the inner wall of a gear mounting hole is extruded and abuts against the inner wall of the gear mounting hole to achieve shaping work.

Description

Technical Field

[0001] The utility model relates to the technical field of shaping devices, in particular to a pressure shaping device for gear processing. Background Art

[0002] At present, during gear processing, after the gear is heat treated, its teeth will expand and deform slightly, resulting in the gear accuracy failing to meet the requirements. If you want to meet the accuracy requirements after heat treatment, you will generally perform shaping on the gear.

[0003] The Chinese utility model patent with announcement number CN204208943U discloses a gear shaping machine, including a frame, a pressing device, a shaping device and an electrical device, wherein the frame includes a bottom plate and a bearing frame for bearing the pressing device; the pressing device includes a cylinder and a pressure rod, the front end cover of the cylinder is fixedly connected to the horizontal surface of the bearing frame, so that the piston rod end of the cylinder is vertically downward, the upper end of the pressure rod is provided with a thread, and the pressure rod is connected to the piston rod end of the cylinder through a threaded sleeve, and the lower end is directly opposite to the center of the bottom plate; the shaping device is a tooling plate, and the center of the tooling plate is processed with internal teeth that are opposite to the teeth of the gear to be pressed and shaped and meet the accuracy requirements;

[0004] However, during the processing and manufacturing of existing gears, in order to facilitate installation with other equipment, a mounting hole is generally prepared on the gear during the processing and manufacturing process. Therefore, when the gear with the mounting hole is processed and after heat treatment, its mounting hole will also expand and deform slightly, which will affect the subsequent installation of the gear. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a pressure shaping device for gear processing, which solves the problem that during the processing and manufacturing of existing gears, in order to facilitate installation with other equipment, a mounting hole is generally prepared on the gear during the processing and manufacturing process. Therefore, when the gear with the mounting hole is processed and after heat treatment, its mounting hole will also slightly expand and deform, resulting in affecting the subsequent installation of the gear.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a pressure shaping device for gear processing, comprising a processing table and a processing station arranged on the top of the processing table via a plurality of support legs and used to support the gear, the central portion of the processing station is provided with an inner ring hole, the processing table is provided with a support plate matching the inner ring hole via a rotating mechanism, the support plate is provided with a plurality of expansion ring plates for squeezing the inner wall of the gear mounting hole via a moving component, the plurality of expansion ring plates are spliced ​​into a cylindrical expansion cylinder, the moving component comprises an embedded slide groove arranged on the top of the support plate and corresponding to the plurality of expansion ring plates one by one, a smooth guide rod is arranged in the embedded slide groove, the smooth guide rod is provided with a moving block sliding in a straight line along the smooth guide rod, and the expansion ring plate is arranged on the top of the moving block; a gantry is provided on one side of the processing table, and a shaping core for synchronously driving the movement of the plurality of expansion ring plates is provided on the gantry via a lifting component.

[0007] Preferably, a reset spring for resetting the expansion ring plate is provided between the embedded slide groove and the moving block.

[0008] Preferably, the rotating mechanism includes a center column arranged between the support plate and the processing table, and the center column and the processing table are connected via a rotating bearing, and a driven gear is provided on the center column, and a driving motor arranged vertically upward is provided on the processing table, and an output gear meshing with the driven gear is provided on the output shaft of the driving motor.

[0009] Preferably, the support disk performs equally divided rotational motion.

[0010] Preferably, a plurality of the expansion ring plates are provided on top of an arc-shaped guide plate, and the plurality of arc-shaped guide plates are spliced ​​into a guide cavity which is narrow at the top and wide at the bottom.

[0011] Preferably, a guide block which cooperates with the guide cavity and is arranged in a conical shape is provided at the bottom of the shaping mold core.

[0012] Preferably, the lifting assembly includes a lifting cylinder arranged on the top of the support frame, and the shaping mold core is installed on the telescopic end of the lifting cylinder via bolts.

[0013] Preferably, the support plate is provided with a receiving cavity for receiving the guide block.

[0014] Beneficial Effects

[0015] The utility model provides a pressure shaping device for gear processing. Compared with the prior art, it has the following beneficial effects:

[0016] (1) The pressure shaping device for gear processing drives the shaping module to move downward linearly through the lifting cylinder, so that the shaping module can open multiple expansion ring plates, and then the multiple expansion ring plates can synchronously slide linearly on their respective smooth guide rods along with the moving block, so that the inner wall of the gear installation hole can be squeezed and resisted to realize the shaping work.

[0017] (2) The pressure shaping device for gear processing drives the output gear to drive the driven gear to rotate at equal intervals through the set driving motor, thereby allowing the center column to drive the support plate to rotate at equal intervals with the cooperation of the rotating bearing, and allowing the lifting cylinder to repeatedly drive the expansion ring plate to squeeze and resist the inner wall of the gear mounting hole, thereby achieving a shaping effect on the inner wall of the gear mounting hole, which is convenient for subsequent installation, in order to achieve a better shaping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a pressure shaping device for gear processing according to the utility model;

[0019] Figure 2 It is a partial schematic diagram of the mobile group price of the utility model;

[0020] Figure 3 It is a reset schematic diagram of the reset spring of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the rotating mechanism of the utility model.

[0022] In the figure: 1. Processing table; 2. Supporting footrest; 3. Processing station; 4. Inner ring hole; 5. Support plate; 6. Expansion ring plate; 7. Embedded slide groove; 8. Smooth guide rod; 9. Moving block; 10. Gantry; 11. Shaping core; 12. Return spring; 13. Center column; 14. Rotating bearing; 15. Driven gear; 16. Driving motor; 17. Output gear; 18. Arc guide plate; 19. Guide block; 20. Lifting cylinder; 21. Storage chamber. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0024] The utility model provides a technical solution:

[0025] Figure 1-4An embodiment is shown: a pressure shaping device for gear processing, comprising a processing table 1 and a processing station 3 which is arranged on the top of the processing table 1 via a plurality of supporting legs 2 and is used to support gears, an inner ring hole 4 is arranged at the center of the processing station 3, a support plate 5 which matches the inner ring hole 4 is arranged on the processing table 1 via a rotating mechanism, a plurality of expansion ring plates 6 which squeeze the inner wall of the gear mounting hole are arranged on the support plate 5 via a moving component, a plurality of expansion ring plates 6 are spliced ​​into a cylindrical expansion cylinder, the moving component comprises an embedded slide groove 7 which is arranged on the top of the support plate 5 and corresponds to the plurality of expansion ring plates 6 one by one, a smooth guide rod 8 is arranged in the embedded slide groove 7, a moving block 9 which slides linearly along the smooth guide rod 8 is arranged on the smooth guide rod 8, and the expansion ring plate 6 is arranged on the top of the moving block 9; a gantry 10 is arranged on one side of the processing table 1, and a shaping core 11 which synchronously drives the plurality of expansion ring plates 6 to move is arranged on the gantry 10 via a lifting component.

[0026] Among them, a reset spring 12 for resetting the expansion ring plate 6 is provided between the embedded slide groove 7 and the moving block 9, so that the expansion ring plate 6 can be reset by the reset spring 12 after moving on the smooth guide rod 8, which is convenient for the next shaping process.

[0027] Among them, the rotating mechanism includes a central column 13 arranged between the supporting plate 5 and the processing table 1, and the central column 13 and the processing table 1 are connected through a rotating bearing 14, and a driven gear 15 is provided on the central column 13, and a driving motor 16 arranged vertically upward is provided on the processing table 1, and an output gear 17 meshing with the driven gear 15 is provided on the output shaft of the driving motor 16.

[0028] The support plate 5 performs equal-degree rotational motion; it should be noted that an angle sensor is provided on the output shaft of the rotating motor to facilitate the equal-degree rotational motion of the support plate 5, and the angle sensor is a prior art and can be purchased on the market.

[0029] The tops of the multiple expansion ring plates 6 are provided with arc-shaped guide plates 18 , and the multiple arc-shaped guide plates 18 are spliced ​​into a guide cavity which is narrow at the top and wide at the bottom.

[0030] The bottom of the shaping mold core 11 is provided with a guide block 19 which is matched with the guide cavity and is arranged in a conical shape. Through the cooperation between the provided guide cavity and the guide block 19, the shaping module is inserted into the expansion cylinder in a directional manner, and the expansion cylinder is stretched to perform the shaping process on the inner wall of the gear mounting hole; and the edge of the gear mounting hole can be prevented from being deformed, which makes it difficult to insert the shaping module into the expansion cylinder.

[0031] The lifting assembly includes a lifting cylinder 20 arranged on the top of the support frame, and the shaping core 11 is installed on the telescopic end of the lifting cylinder 20 through bolts.

[0032] The support plate 5 is provided with a receiving cavity 21 for receiving the guide block 19 .

[0033] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0034] During use, when it is necessary to reshape the mounting hole of the gear, first place the mounting hole of the gear vertically facing the expansion cylinder, and then drive the shaping module to move linearly downward through the lifting cylinder 20, so that the shaping module can open multiple expansion ring plates 6, and then multiple expansion ring plates 6 can synchronously slide linearly on their respective smooth guide rods 8 with the moving block 9, so that the inner wall of the gear mounting hole is squeezed and resisted to realize the shaping work, and reset by the reset spring 12 to facilitate the next shaping process; then the output gear 17 is driven by the drive motor 16 to drive the driven gear 15 to rotate at equal degrees, so as to realize The center column 13 drives the support plate 5 to make equally divided rotational motion with the cooperation of the rotating bearing 14, and the lifting cylinder 20 times drives the expansion ring plate 6 to squeeze and resist the inner wall of the gear mounting hole, thereby achieving a shaping effect on the inner wall of the gear mounting hole, which is convenient for subsequent installation, in order to achieve a better shaping effect; wherein, through the mutual cooperation between the set guide cavity and the guide block 19, the auxiliary shaping module is directional inserted into the expansion cylinder, and the expansion cylinder is stretched to perform the shaping process on the inner wall of the gear mounting hole; and it can prevent the edge of the gear mounting hole from being deformed, which makes it difficult to insert the shaping module into the expansion cylinder.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure shaping device for gear processing, comprising a processing table (1) and a processing station (3) arranged on the top of the processing table (1) via a plurality of supporting legs (2) and used to support the gear, characterized in that: An inner ring hole (4) is provided at the center of the processing station (3); a support plate (5) matched with the inner ring hole (4) is provided on the processing table (1) via a rotating mechanism; a plurality of expansion ring plates (6) for squeezing the inner wall of the gear mounting hole are provided on the support plate (5) via a moving assembly; the plurality of expansion ring plates (6) are spliced ​​into a cylindrical expansion cylinder; the moving assembly comprises an embedded slide groove (7) arranged on the top of the support plate (5) and corresponding to the plurality of expansion ring plates (6) one by one; a smooth guide rod (8) is provided in the embedded slide groove (7); a moving block (9) for sliding linearly along the smooth guide rod (8) is provided on the smooth guide rod (8); the expansion ring plate (6) is arranged on the top of the moving block (9); a gantry (10) is provided on one side of the processing table (1); a shaping mold core (11) for synchronously driving the plurality of expansion ring plates (6) to move is provided on the gantry (10) via a lifting assembly.

2. A pressure shaping device for gear processing according to claim 1, characterized in that: A reset spring (12) for resetting the expansion ring plate (6) is provided between the embedded sliding groove (7) and the moving block (9).

3. A pressure shaping device for gear processing according to claim 1, characterized in that: The rotating mechanism comprises a central column (13) arranged between a supporting plate (5) and a processing table (1), wherein the central column (13) and the processing table (1) are connected via a rotating bearing (14), and a driven gear (15) is arranged on the central column (13), and a driving motor (16) arranged vertically upward is arranged on the processing table (1), and an output gear (17) meshing with the driven gear (15) is arranged on the output shaft of the driving motor (16).

4. A pressure shaping device for gear processing according to claim 1, characterized in that: The support plate (5) performs equally divided rotational motion.

5. A pressure shaping device for gear processing according to claim 1, characterized in that: A plurality of the expansion ring plates (6) are provided with arc-shaped guide plates (18) on their tops, and the plurality of arc-shaped guide plates (18) are spliced ​​together to form a guide cavity which is narrow at the top and wide at the bottom.

6. A pressure shaping device for gear processing according to claim 5, characterized in that: The bottom of the shaping mold core (11) is provided with a guide block (19) which matches the guide cavity and is arranged in a conical shape.

7. A pressure shaping device for gear processing according to claim 1, characterized in that: The lifting assembly comprises a lifting cylinder (20) arranged on the top of the support frame, and the shaping mold core (11) is installed on the telescopic end of the lifting cylinder (20) via bolts.

8. A pressure shaping device for gear machining according to claim 6, characterized in that: The support plate (5) is provided with a receiving cavity (21) for receiving the guide block (19).

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