Tool clamp for milling, cutting and boring end face of small box body of electric forklift

Abstract

The utility model discloses an electric forklift small box body end face milling, cutting and boring work fixture which comprises a base, a plurality of sets of clamping fixtures are installed on the base, each set of clamping fixtures comprises four positioning supporting columns distributed in a square four-corner mode, a supporting table is arranged in the center of the four positioning supporting columns, the four positioning supporting columns are used for supporting the back of a product machining end face, and the supporting table is used for supporting the back of the product machining end face. The supporting table is used for being supported in a circular-ring-shaped protrusion of a product, clamping air cylinders are arranged at the upper side ends and the lower side ends of the four positioning supporting columns correspondingly and used for clamping the upper side and the lower side of the product, and a supporting and clamping structure for the connecting shaft end of the product is arranged at the right side ends outside the four positioning supporting columns. When the end face of the small box body of the electric forklift is milled, cut and bored, the end face of the small box body of the electric forklift is horizontally arranged and firmly clamped, clamping and positioning are convenient, milling, cutting and boring of the end face of the small box body of the electric forklift are greatly facilitated, machining efficiency is greatly improved, machining time is saved, machining precision is improved, manual labor is saved, and the machining efficiency is improved. The cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a tooling fixture for milling, cutting and boring the end face of a small box body of an electric forklift. Background Art

[0002] like Figure 1 As shown, the existing small box of the electric forklift includes a processed end face 1 and a coupling end 2. The coupling end is arranged at one side end of the processed end face. A circular ring-shaped protrusion is arranged on the back of the processed end face. The outer side of the circular ring-shaped protrusion is flat. During processing, the processed end face needs to be placed horizontally and flatly facing upwards, and the workpiece needs to be tightened to make the workpiece flat and stable during processing to reduce the occurrence of errors.

[0003] However, due to the design of the coupling end, the small box of the electric forklift cannot be normally processed and placed horizontally with the end face facing upward, and there is no special tooling fixture for milling, cutting, and boring the end face of the small box of the electric forklift. This makes the processing of the end face of the small box of the electric forklift difficult. Ordinary clamping cannot make the workpiece flat and stable, and the processing produces large errors. Utility Model Content

[0004] In order to solve the above technical problems, the utility model designs a milling, cutting and boring fixture for the end face of a small box body of an electric forklift.

[0005] The utility model adopts the following technical solutions:

[0006] A milling, cutting and boring tooling fixture for a small box end of an electric forklift comprises a base, wherein a plurality of groups of clamping fixtures are installed on the base, and each group of clamping fixtures comprises four positioning support columns distributed in the four corners of a square, a support platform is arranged in the center of the four positioning support columns, the four positioning support columns are used to support the back of the product processing end surface, the support platform is used to support in the circular annular protrusion of the product, and the upper and lower side ends of the four positioning support columns are respectively provided with clamping cylinders for clamping the upper and lower sides of the product, and the right side ends outside the four positioning support columns are provided with a supporting clamping structure of the product coupling end, the supporting clamping structure of the product coupling end comprises a pushing cylinder, a supporting shaft, a supporting seat, a turning frame and a chuck, both ends of the supporting shaft are fixed to the base through the supporting seat, an arc groove is arranged in the middle of the supporting shaft corresponding to the product coupling end, the arc groove positions and supports the product coupling end, the turning frame is rotatably connected to the supporting shaft, the pushing cylinder is fixed to the base, the output end of the pushing cylinder is hinged to the turning frame, a chuck is arranged on the turning end of the turning frame, and the chuck clamps the product coupling end after turning.

[0007] Preferably, the clamping cylinders arranged between the multiple sets of clamping fixtures are double-headed angle clamping cylinders, which are used for two sets of clamping fixtures at the same time, thus saving space.

[0008] Preferably, a tensioning shaft is arranged at the center of the support platform, a tensioning sleeve is connected to the outer surface of the tensioning shaft, a tensioning cylinder is fixedly connected to the tail end of the tensioning shaft, and the tensioning cylinder is fixedly connected to the base. The tensioning shaft is tightened in the annular protrusion of the product to play a supporting and limiting role.

[0009] Preferably, a manual flip handle is fixedly connected to the flip frame to facilitate manual adjustment and clamping.

[0010] Preferably, the chuck is a U-shaped chuck.

[0011] Preferably, the positioning support column is provided with a stepped surface to facilitate support and positioning.

[0012] Preferably, a return spring is installed between the tensioning cylinder and the flip frame.

[0013] Preferably, a hanging ring is installed on the base.

[0014] The beneficial effect of the utility model is that the utility model designs a tooling fixture specially used for the milling, cutting and boring of the end face of the small box body of the electric forklift. When the end face of the small box body of the electric forklift is milled, cut and bored, the end face of the small box body of the electric forklift is flattened and clamped firmly, and the clamping and positioning are convenient, which greatly facilitates the milling, cutting and boring of the end face of the small box body of the electric forklift, greatly improves the processing efficiency, saves processing time, improves the processing accuracy, saves labor and reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a small box of an existing electric forklift;

[0016] Figure 2 It is a structural schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of a use state of the utility model;

[0018] In the figure: 1. Processing end face, 2. Coupling end, 3. Base, 4. Support table, 5. Positioning support column, 6. Clamping cylinder, 7. Double-headed angle clamping cylinder, 8. Pushing cylinder, 9. Turning frame, 10. Chuck, 11. Arc groove, 12. Support shaft, 13. Tensioning shaft, 14. Tensioning sleeve, 15. Lifting ring, 16. Manual turning handle, 17. Reset spring. DETAILED DESCRIPTION

[0019] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings:

[0020] Example: Figure 1-Figure 2As shown, a milling, cutting and boring fixture for the end face of a small box of an electric forklift includes a base 3, on which two groups of clamping fixtures are installed, each group of clamping fixtures includes four positioning support columns 5 distributed in the four corners of a square, a support platform 4 is arranged in the center of the four positioning support columns, the four positioning support columns are used to support the back of the product processing end face, the support platform is used to support the product in the circular ring-shaped protrusion, the upper and lower ends of the four positioning support columns are respectively provided with clamping cylinders 6 for clamping the upper and lower sides of the product, and the right end outside the four positioning support columns is provided with A supporting and clamping structure for the product coupling end is provided, and the supporting and clamping structure for the product coupling end includes a pushing cylinder 8, a supporting shaft 12, a supporting seat, a turning frame 9 and a chuck 10. Both ends of the supporting shaft are fixed to the base through the supporting seat, and an arc groove 11 is provided in the middle of the supporting shaft corresponding to the product coupling end. The arc groove positions and supports the product coupling end, and a turning frame is rotatably connected to the supporting shaft. The pushing cylinder is fixed to the base, and the output end of the pushing cylinder is hinged to the turning frame. A chuck is provided on the turning end of the turning frame, and the chuck clamps the product coupling end after turning.

[0021] The clamping cylinder arranged between the two sets of clamping fixtures adopts a double-headed angle clamping cylinder 7. A tensioning shaft 13 is arranged at the center of the support platform, a tensioning sleeve 14 is connected to the outer sleeve of the tensioning shaft, a tensioning cylinder is fixedly connected to the tail end of the tensioning shaft, and the tensioning cylinder is fixedly connected to the base.

[0022] A manual flip handle 16 is fixedly connected to the flip frame. The chuck is a U-shaped chuck. A step surface is provided on the positioning support column. A reset spring 17 is installed between the tensioning cylinder and the flip frame. A lifting ring 15 is installed on the base.

[0023] The utility model designs a tooling fixture specially used for the milling, cutting and boring of the end face of the small box body of the electric forklift. When the end face of the small box body of the electric forklift is milled, cut and bored, the end face of the small box body of the electric forklift is flattened and clamped firmly, and the clamping and positioning are convenient, which greatly facilitates the milling, cutting and boring of the end face of the small box body of the electric forklift, greatly improves the processing efficiency, saves processing time, improves the processing accuracy, saves labor and reduces costs.

[0024] The above-described embodiment is only a preferred solution of the present invention and does not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.

Claims

1. A milling, cutting and boring fixture for the end face of a small box of an electric forklift, comprising a base, characterized in that: The base is provided with multiple groups of clamping fixtures, each group of clamping fixtures includes four positioning support columns distributed in the four corners of a square, a support platform is arranged in the center of the four positioning support columns, the four positioning support columns are used to support the back of the product processing end face, the support platform is used to support in the circular annular protrusion of the product, the upper and lower ends of the four positioning support columns are respectively provided with clamping cylinders for clamping the upper and lower sides of the product, the right end outside the four positioning support columns is provided with a supporting clamping structure of the product coupling end, the supporting clamping structure of the product coupling end includes a pushing cylinder, a supporting shaft, a supporting seat, a turning frame and a chuck, the two ends of the supporting shaft are fixed to the base through the supporting seat, an arc groove is arranged in the middle of the supporting shaft corresponding to the product coupling end, the arc groove positions and supports the product coupling end, the turning frame is rotatably connected to the supporting shaft, the pushing cylinder is fixed to the base, the output end of the pushing cylinder is hinged to the turning frame, a chuck is arranged on the turning end of the turning frame, and the chuck clamps the product coupling end after turning.

2. The electric forklift small box end face milling, cutting and boring fixture according to claim 1 is characterized in that: The clamping cylinder arranged between the multiple groups of clamping fixtures adopts a double-headed angle clamping cylinder.

3. The electric forklift small box end face milling, cutting and boring fixture according to claim 1 is characterized in that: A tensioning shaft is arranged at the center of the support platform, a tensioning sleeve is connected to the outer surface of the tensioning shaft, a tensioning cylinder is fixedly connected to the tail end of the tensioning shaft, and the tensioning cylinder is fixedly connected to the base.

4. The electric forklift small box end face milling, cutting and boring fixture according to claim 1 is characterized in that: A manual turning handle is fixedly connected to the turning frame.

5. The electric forklift small box end face milling, cutting and boring fixture according to claim 1 is characterized in that: The chuck is a U-shaped chuck.

6. The electric forklift small box end face milling, cutting and boring fixture according to claim 1 is characterized in that: The positioning support column is provided with a step surface.

7. The electric forklift small box end face milling, cutting and boring fixture according to claim 3 is characterized in that: A return spring is installed between the tensioning cylinder and the turning frame.

8. The electric forklift small box end face milling, cutting and boring fixture according to claim 1 is characterized in that: A lifting ring is installed on the base.

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