Forklift drive axle shell polishing and grinding device

Abstract

The utility model discloses a polishing and grinding device for a forklift drive axle shell. The polishing and grinding device comprises a polishing and grinding tool clamp base arranged in a rotating mode. A limiting groove structure is formed in the top of the polishing and grinding tool clamp base and used for limiting the axle housing part of the drive axle housing. The two ends of the polishing and grinding tool clamp base are each provided with an upward jacking mechanism used for jacking a drive axle upwards in an assembled and connected mode, the two ends of the polishing and grinding tool clamp base are each fixedly provided with a pair of downward pressing mechanisms matched with the upward jacking mechanisms in an assembled and connected mode, and each downward pressing mechanism comprises a fixed tool column installed on the polishing and grinding tool clamp base. A hinge opening is formed in the upper end of the fixed tool column, a hinge pressing rod is hinged to the interior of the hinge opening, lug seats are hinged to the two sides of the inner end of the hinge pressing rod respectively, and a lower abutting plate is fixedly connected between the lower ends of the lug seats; according to the device, in the process of repairing the shell workpiece through secondary polishing and grinding, the operation difficulty is greatly reduced, and the operation efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of forklift drive axle housing processing, in particular to a forklift drive axle housing polishing device. Background Art

[0002] A forklift drive axle is a component of a forklift truck, used to convert power and torque and achieve speed adjustment. Specifically, a transmission structure consisting of a gear system is installed within the forklift drive axle, which adjusts the speed during operation.

[0003] During the production process of forklift drive axles, the drive axle housing is primarily cast. After casting, the housing undergoes grinding and polishing. A robotic arm grabs the housing blank and feeds it to a grinding and polishing wheel for polishing. After this process, the fully polished housing can proceed to the next step.

[0004] However, due to the special-shaped structure of the drive axle housing, some parts of the workpiece are prone to burrs that have not been completely removed after being gripped and polished by the robotic arm, especially in areas hidden by the housing's geometry. Therefore, secondary polishing is currently required for defective products. Secondary polishing is a manual process that only removes burrs from the remaining areas, making it a targeted polishing process.

[0005] However, during the secondary polishing process, the specially shaped drive axle housing is subjected to the polishing forces, making it difficult to maintain high stability. The high-speed rotation of the polishing wheel makes it difficult for the operator to maintain a stable support on the housing. Consequently, the difficulty in maintaining stability during the secondary polishing process makes manual repair polishing difficult and inefficient. Utility Model Content

[0006] Based on the above background, the purpose of the present invention is to provide a forklift drive axle housing polishing device.

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

[0008] A forklift drive axle housing polishing device includes a rotatably arranged polishing fixture seat;

[0009] A limiting groove structure is provided on the top of the polishing fixture seat, and the limiting groove structure is used to limit the axle housing portion of the drive axle housing;

[0010] The two ends of the polishing fixture seat are respectively assembled and connected with an upper pushing mechanism for pushing up the driving axle, and the two ends of the polishing fixture seat are respectively fixedly assembled and connected with a pair of pressing mechanisms cooperating with the upper pushing mechanism, and the pressing mechanism includes a fixed fixture column installed on the polishing fixture seat, and the upper end of the fixed fixture column is provided with a hinge interface, and an articulated pressure rod is hinged in the hinge interface, and the inner ends of the articulated pressure rod are respectively hinged with ear seats, and the lower ends of the ear seats are fixedly connected with a lower abutment plate;

[0011] When the lifting mechanism lifts the drive axle, the drive axle pushes the lower plate up to the top position of the hinged pressure rod contacting the pressure barrier at the hinge interface.

[0012] Preferably, the lifting mechanism includes a lifting cylinder, the piston rod of the lifting cylinder is fixedly connected to a lifting rod, and an arc-shaped groove is formed on the lifting rod.

[0013] Preferably, the forklift drive axle housing polishing device further includes a plurality of axle housing side abutment mechanisms arranged around the limiting groove structure;

[0014] The axle housing side abutment mechanism includes a side abutment cylinder, and a piston rod of the side abutment cylinder abuts against the drive axle housing.

[0015] Preferably, the polishing fixture seat is provided with a plurality of cylinder mounting grooves for mounting the side-affecting cylinder, the cylinder mounting groove is provided with a through hole connected to the limiting groove structure, and the piston rod of the side-affecting cylinder passes through the through hole.

[0016] Preferably, the polishing fixture seat is rotated by a rotating mechanism installed at the bottom of the polishing fixture seat.

[0017] Preferably, the rotating mechanism comprises a swivel fixedly mounted on the bottom of the polishing fixture seat;

[0018] The rotating ring is rotatably connected to a rotating base, and a rotating motor for driving the rotating ring to rotate is installed at the bottom of the rotating base;

[0019] An inner support frame is fixedly connected to the inner of the rotating ring, and the output shaft of the rotating motor is fixedly installed at the center position of the inner support frame.

[0020] Preferably, a plurality of roller elements distributed in an annular manner are installed at the bottom of the rotating ring, and the roller elements roll on the top position of the rotating base;

[0021] A plurality of roller elements are fixedly mounted on the outer side wall of the rotating ring, and an annular flange is integrally formed on the top edge of the rotating base. The roller elements roll against and against the inner side wall of the annular flange.

[0022] Preferably, the roller members each include a roller seat and a roller that is limited in rolling within the roller seat.

[0023] Preferably, a rotating shaft rod rotatably connected to the hinged pressure rod is fixedly connected between the upper ends of the ear seats, and a tightening screw rod that is tightened against the rotating shaft rod is threadedly connected to the hinged pressure rod.

[0024] Preferably, the bottom of the fixed fixture column is threadedly connected to a mounting screw, the bottom of the mounting screw is fixedly connected to a screw base, and the screw base is fixedly installed at the top position of the polishing fixture holder.

[0025] The utility model has the following beneficial effects:

[0026] 1. The lifting mechanism and the pressing mechanism are used to cooperate to push up the drive axle housing with high anisotropy and keep it in the contact and pressure state. The angle of the lower support plate can be adjusted, and after adjustment, it can be locked to ensure that the lower support plate can fully contact and press after the lifting and pressing.

[0027] 2. The side support mechanism of the axle housing cooperates with the upper push mechanism and the lower pressure mechanism to position the drive axle housing from the center and both ends during operation. Under the three-stage positioning method, the special-shaped drive axle housing is fully locked. After being fully locked, it is more convenient to maintain the stability of the workpiece during the polishing process, thereby increasing the stability and efficiency of the polishing.

[0028] 3. By adopting rotating structures such as rollers, the angle of the workpiece can be easily adjusted during the polishing process, and the operator can polish the polishing equipment onto the workpiece to remove burrs, especially for polishing hidden positions.

[0029] 4. The device disclosed in the present invention realizes secondary polishing and repair of the shell workpiece, which greatly reduces the difficulty of the operation and greatly improves the operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0031] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0032] Figure 2 This is a schematic structural diagram of the upper push mechanism and the lower pressure mechanism in the embodiment of the utility model;

[0033] Figure 3 This is a structural diagram of the pressing mechanism in the embodiment of the present utility model;

[0034] Figure 4 This is a schematic structural diagram of the rotating mechanism in an embodiment of the present utility model;

[0035] Figure 5 This is a schematic diagram of the dispersed structure of the rotating mechanism in the embodiment of the present utility model.

[0036] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0039] In addition, in this utility model, the descriptions of "first" and "second" are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features specified as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0040] Example 1

[0041] like Figure 1-5 As shown, a forklift drive axle housing polishing device includes a rotatably arranged polishing fixture seat 1.

[0042] A limiting groove structure 11 is provided at the top center of the polishing fixture seat 1 . The limiting groove structure 11 is a cylindrical groove structure and is used to limit the axle housing portion of the drive axle housing.

[0043] The left and right ends of the polishing fixture seat 1 are respectively assembled and connected with an upper push mechanism 4 for pushing up the drive axle, and the two ends of the polishing fixture seat 1 are respectively fixedly assembled and connected with a pair of lower pressing mechanisms 3 cooperating with the upper push mechanism 4.

[0044] The specific structure of the pressing mechanism 3 is:

[0045] The pressing mechanism 3 includes a fixed fixture column 31 mounted on the polishing fixture base 1. Specifically, a mounting screw 311 is threadedly connected to the bottom of the fixed fixture column 31. The bottom of the mounting screw 311 is fixedly connected to a screw base, which is fixedly mounted on the top of the polishing fixture base 1. A hexagonal boss is fixedly connected to the top of the fixed fixture column 31. Height adjustment is achieved by rotating the hexagonal boss.

[0046] A hinge port is provided at the upper end of the fixed tooling column 31, in which a hinged pressure rod 32 is hingedly connected. Ear seats 33 are hingedly provided on both sides of the inner end of the hinged pressure rod 32. The hinged manner is as follows: a rotating shaft rod 331 rotatably connected to the hinged pressure rod 32 is fixedly connected between the upper ends of the ear seats 33, and a tightening screw 332 is threadedly connected to the hinged pressure rod 32, which is vertically downward and pressed against the rotating shaft rod 331.

[0047] The above method is used to loosen the tightening screw until the tightening screw 332 no longer presses against the rotating shaft rod 331, and then flip the ear seat 33. After the ear seat 33 is flipped, the angle of the lower supporting plate 34 fixedly connected between the lower ends of the ear seat 33 can be adjusted. After the angle is adjusted, the tightening screw 332 is pressed against the rotating shaft rod 331 again for positioning.

[0048] This method ensures that after the drive axle is lifted up, the drive axle can fully contact the top position of the drive axle and maintain a relatively stable contact force.

[0049] The structure of the lower abutment plate 34 is:

[0050] A cylindrical shaft portion 3471 is integrally formed on the top of the lower support plate 34 , and the shaft portion 341 is fixedly installed between the lower ends of the ear seats 33 .

[0051] When the lifting mechanism 4 lifts the drive axle, the drive axle pushes the lower plate up to the top position of the hinge pressure rod 32 contacting the pressure barrier at the hinge interface.

[0052] By adjusting the angle of the lower push plate, during the working process, the upper push mechanism 4 pushes the shell workpiece, and after the upper push plate of the shell workpiece is lifted to a horizontal position (the upper push plate of the drive axle is pushed to the top position of the hinged pressure rod 32 to contact the pressure barrier at the top of the hinge interface), the lower push plate is kept horizontally pressed against the top surface of the shell, achieving full contact with the top surface of the shell to increase the stability of the pressing.

[0053] The specific structure of the lifting mechanism 4 is:

[0054] The lifting mechanism 4 includes a lifting cylinder 41 , a piston rod of the lifting cylinder 41 is fixedly connected to a lifting rod 42 , and an arc-shaped groove is formed on the lifting rod 42 , and the arc-shaped groove is adapted to the shapes of the two ends of the shell.

[0055] By the above method, the upper pushing mechanism 4 cooperates with the lower pressing mechanism 3 to achieve the goal of keeping the drive axle housing with high anisotropy in a contact and pressure state after being pushed up. The angle of the lower push plate can be adjusted, and after adjustment, it can be locked to achieve the goal of keeping the lower push plate in sufficient contact and pressure after being pushed up and pressed down.

[0056] Example 2

[0057] like Figure 1-5 As shown, based on the structure of Example 1, the forklift drive axle housing polishing device of this embodiment further includes a plurality of axle housing side abutment mechanisms arranged around the limiting groove structure 11 (the axle housing side abutment mechanisms are distributed in a circumferential manner).

[0058] The axle housing side abutment mechanism includes a side abutment cylinder 21 , a piston rod 22 of which abuts against the drive axle housing.

[0059] Specifically, the polishing fixture seat 1 is provided with a plurality of cylinder mounting grooves for installing the side-retaining cylinder 21, and the cylinder mounting groove is provided with a through hole connected to the limit groove structure 11, and the piston rod 22 of the side-retaining cylinder passes through the through hole.

[0060] During operation, the side abutment cylinder is opened, and the axle housing portion (the shape of the axle housing portion is a convex curved structure) of the forklift drive axle housing (the central portion of the drive axle housing) is fully positioned by the side abutment cylinder 21.

[0061] Through the above method, the drive axle housing is positioned from the center and both ends during the working process. Under the three-stage positioning method, the drive axle housing with a special-shaped structure is kept fully locked. After being fully locked, it is more convenient to maintain the stability of the workpiece during the polishing process, thereby increasing the stability and efficiency of the polishing.

[0062] Example 3

[0063] like Figure 1-5 As shown, in this embodiment, based on the structure of embodiment 2, the polishing fixture seat 1 is rotated by a rotating mechanism installed at the bottom of the polishing fixture seat 1.

[0064] The rotating mechanism includes a swivel 51 fixedly mounted on the bottom of the polishing fixture seat 1; specifically, the top of the swivel 51 is fixedly mounted on the bottom of the polishing fixture seat 1 through a plurality of circumferentially distributed connecting screws 54.

[0065] At the same time, in order to increase the rotation process, keep the polishing fixture carrying the workpiece flexible, and realize the flexible rotation adjustment of the shell with high degree of special shape during the polishing process, and then realize the polishing of different parts of the shell after the rotation adjustment.

[0066] Specifically, the rotating ring 51 is rotatably connected to a rotating base 52. A rotating motor 55 is mounted at the bottom of the rotating base 52, driving the rotating ring 51. An inner support frame 511 is fixedly connected to the rotating ring 51, and the output shaft of the rotating motor 55 is fixedly mounted at the center of the inner support frame 511. Specifically, the output shaft of the rotating motor 55 passes through the rotating base 52 and is rotatably connected thereto. The rotating motor 55 is also secured to the rotating base 52 via several mounting screws.

[0067] Several annularly distributed roller members are installed at the bottom of the rotating ring 51, and the roller members roll on the top position of the rotating base 52; by installing the roller members at the bottom of the rotating ring 51, when it is necessary to adjust the positioning and locking of the shell workpiece during operation, it can be rotated in a roller rolling manner, thereby maintaining the flexibility of the rotation adjustment.

[0068] At the same time, several rollers are fixedly mounted on the outer wall of the rotating ring 51. The top edge of the rotating base 52 is integrally formed with an annular flange, and the rollers roll against the inner wall of the annular flange. By mounting the rollers on the side, the stability of the rotation is maintained during operation.

[0069] The roller parts all comprise a roller seat 53 and a roller 531 that is limited to roll in the roller seat 53. Specifically, the roller seat 53 is provided with a groove body for limiting the roller, and the roller 531 is limited in the groove body and can freely roll relative to the groove body.

[0070] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. A forklift drive axle housing polishing device, characterized in that: Including a polishing fixture holder that is rotatably arranged; A limiting groove structure is provided on the top of the polishing fixture seat, and the limiting groove structure is used to limit the axle housing portion of the drive axle housing; The two ends of the polishing fixture seat are respectively assembled and connected with an upper pushing mechanism for pushing up the driving axle, and the two ends of the polishing fixture seat are respectively fixedly assembled and connected with a pair of pressing mechanisms cooperating with the upper pushing mechanism, and the pressing mechanism includes a fixed fixture column installed on the polishing fixture seat, and the upper end of the fixed fixture column is provided with a hinge interface, and an articulated pressure rod is hinged in the hinge interface, and the inner ends of the articulated pressure rod are respectively hinged with ear seats, and the lower ends of the ear seats are fixedly connected with a lower abutment plate; When the lifting mechanism lifts the drive axle, the drive axle lifts the lower plate until the hinged pressure rod touches the pressure barrier at the top position of the hinge interface.

2. The forklift drive axle housing polishing device according to claim 1, characterized in that: The lifting mechanism includes a lifting cylinder, a piston rod of the lifting cylinder is fixedly connected to a lifting rod, and an arc-shaped groove is formed on the lifting rod.

3. The forklift drive axle housing polishing device according to claim 1, characterized in that: The forklift drive axle housing polishing device further includes a plurality of axle housing side abutment mechanisms arranged around the limiting groove structure; The axle housing side abutment mechanism includes a side abutment cylinder, and a piston rod of the side abutment cylinder abuts against the drive axle housing.

4. The forklift drive axle housing polishing device according to claim 3, characterized in that: The polishing fixture seat is provided with a plurality of cylinder mounting grooves for mounting the side-affecting cylinder. The cylinder mounting groove is provided with a through hole connected to the limit groove structure, and the piston rod of the side-affecting cylinder passes through the through hole.

5. The forklift drive axle housing polishing device according to claim 1, characterized in that: The polishing fixture seat is rotated by a rotating mechanism installed at the bottom of the polishing fixture seat.

6. The forklift drive axle housing polishing device according to claim 5, characterized in that: The rotating mechanism includes a rotating ring fixedly mounted at the bottom of the polishing fixture seat; The rotating ring is rotatably connected to a rotating base, and a rotating motor for driving the rotating ring to rotate is installed at the bottom of the rotating base; An inner support frame is fixedly connected to the inner of the rotating ring, and the output shaft of the rotating motor is fixedly installed at the center position of the inner support frame.

7. The forklift drive axle housing polishing device according to claim 6, characterized in that: A plurality of rollers distributed in an annular pattern are installed at the bottom of the rotating ring, and the rollers roll on the top of the rotating base; A plurality of roller elements are fixedly mounted on the outer side wall of the rotating ring, and an annular flange is integrally formed on the top edge of the rotating base. The roller elements roll against and against the inner side wall of the annular flange.

8. The forklift drive axle housing polishing device according to claim 7, characterized in that: The roller components all include a roller seat and a roller that is limited and rolls in the roller seat.

9. The forklift drive axle housing polishing device according to claim 1, characterized in that: A rotating shaft rod rotatably connected to the hinged pressure rod is fixedly connected between the upper ends of the ear seats, and a tightening screw rod tightly pressed against the rotating shaft rod is threadedly connected on the hinged pressure rod.

10. The forklift drive axle housing polishing device according to claim 1, characterized in that: The bottom of the fixed tooling column is threadedly connected to a mounting screw, the bottom of the mounting screw is fixedly connected to a screw base, and the screw base is fixedly installed at the top position of the polishing tooling fixture seat.

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