A coaxial taper hole milling fixture

Abstract

The application discloses a coaxial taper hole milling clamp, which comprises a bottom plate, a back plate, a first cushion block, an adjustable cushion block, a third cushion block and a fourth cushion block, the middle position of the bottom plate is vertically provided with the back plate, the working surface of the back plate is provided with the first cushion block, the adjustable cushion block and the fourth cushion block, the third cushion block is installed on the bottom plate, the back surface of the third cushion block is abutted with the back plate, and the fourth cushion plate is provided with a tool setting block; the first cushion block, the adjustable cushion block and the third cushion block are arranged in the same vertical direction from top to bottom, and the fourth cushion block is arranged at the side edge position of the adjustable cushion block. The coaxial taper hole milling clamp solves the technical problems of insufficient support of the clamp, difficult clamping alignment and low clamping efficiency in the prior art.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of mechanical parts processing, in particular to a coaxial taper hole milling clamp. BACKGROUND

[0002] In the mechanical processing industry, clamps are widely used. The clamp is used as an auxiliary positioning of the workpiece and is placed on the workbench of the machining center. When processing special-shaped support workpieces, the clamp structure is more complex, and it is very inconvenient to align the workpiece when clamping the workpiece. It is heavily dependent on the skill level of the operator, and the steps are numerous when in use. The clamping process takes a long time, and the existing clamp is insufficient to support the workpiece, which leads to low yield and seriously affects the processing efficiency. SUMMARY

[0003] The purpose of the present application is to provide a coaxial taper hole milling clamp to solve the technical problems of insufficient support, difficult clamping alignment and low clamping efficiency in the prior art.

[0004] To achieve the above purpose, the present application provides a coaxial taper hole milling clamp, which comprises a bottom plate, a back plate, a first pad, an adjustable pad, a third pad and a fourth pad. The middle position of the bottom plate is vertically installed with a back plate, and the working surface of the back plate is installed with a first pad, an adjustable pad and a fourth pad. The third pad is installed on the bottom plate, the back surface of the third pad abuts against the back plate, and the fourth pad is provided with a tool setting block. The first pad, the adjustable pad and the third pad are arranged in the same vertical direction from top to bottom, and the fourth pad is arranged at the side edge position of the adjustable pad.

[0005] Further, a reinforcing rib is welded at the connecting position of the bottom surface of the bottom plate and the back surface of the back plate. The reinforcing rib is a triangular plate structure, screw sink holes are formed around the bottom plate, the bottom plate is installed on the machine tool workbench through the cooperation of the screws and the screw sink holes, and a first installation surface is arranged on the upper surface of the bottom plate.

[0006] Further, a clamp hoisting hole is formed at the top of the back plate, and a tool setting surface for compensating the length of the machine tool cutter is formed on the side of the top of the back plate away from the fourth pad.

[0007] Further, the first pad is a stepped plate structure, the first pad is installed above the working surface of the back plate through screws, one side of the first pad parallel to the back plate is a second working surface, and the other side of the first pad perpendicular to the back plate is a third working surface. Screw holes and positioning pin holes are formed on the second working surface.

[0008] Further, the third pad is a stepped plate structure, the third pad is installed on the bottom plate through screws, one side of the third pad parallel to the back plate is a fourth working surface, and the other side of the third pad perpendicular to the back plate is a fifth working surface. Screw holes and positioning pin holes are formed on the fourth working surface.

[0009] Further, the adjustable pad is a plate structure, and the adjustable pad is installed in the middle position of the back plate through a screw.

[0010] Further, the knife checking block is movably installed on the upper surface of the fourth pad, and the knife checking block is provided with a tapered knife checking surface.

[0011] Further, the workpiece body is provided with a mounting lug on one side, and the mounting lug is provided with a first taper hole and a second taper hole.

[0012] Further, the workpiece body is provided with workpiece screws and workpiece pins on one side, and the workpiece screws and workpiece pins are installed on the first pad through threaded connection with a screw hole one and a positioning pin hole one of the first pad.

[0013] Based on the above technical scheme, the present application can produce the following beneficial effects:

[0014] (1) The coaxial taper hole milling clamp provided by the present application is provided with a first mounting surface, a second mounting surface, a third mounting surface, a fourth mounting surface and a fifth mounting surface, so that the mounting surface of the workpiece can be directly attached to the clamp mounting surface to support the workpiece and the reference attachment, thereby preventing the workpiece from being suspended and clamped left and right due to being too heavy, saving a lot of clamping time for the operator and improving the utilization rate of the machine tool.

[0015] (2) The coaxial taper hole milling clamp provided by the present application can adjust the height of the pad through the tightening of the spanner screw to realize the seamless attachment of the workpiece rib to the clamp mounting surface, so that the workpiece can have sufficient support during processing, increase the rigidity of the workpiece, reduce the cutting vibration of the tool, improve the yield rate, optimize the tool cutting feed and shorten the workpiece processing cycle.

[0016] (3) The coaxial taper hole milling clamp provided by the present application is designed with a tool setting surface on the back plate, which can quickly set the length compensation of the used machining tool, greatly shorten the clamping auxiliary time and improve the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of an embodiment of the present application;

[0018] Figure 2 is a structural use effect diagram of an embodiment of the present application;

[0019] Figure 3 is a rear view of the structure of an embodiment of the present application;

[0020] Figure 4 is a structural schematic diagram of the knife block of an embodiment of the present application;

[0021] In the figure: 1, bottom plate; 2, back plate; 3, first cushion block; 4, adjustable cushion block; 5, third cushion block; 6, fourth cushion block; 7, knife block; 8, reinforcing rib; 9, screw sink hole; 10, tool setting surface; 11, first mounting surface; 12, second mounting surface; 13, third mounting surface; 14, fourth mounting surface; 15, fifth mounting surface; 16, screw hole one; 17, positioning pin hole one; 18, screw hole two; 19, positioning pin hole two; 20, key handle screw; 21, knife setting surface; 22, workpiece body; 23, first taper hole; 24, second taper hole; 25, workpiece screw; 26, workpiece pin; 27, clamp lifting hole. DETAILED DESCRIPTION

[0022] In order to better understand the purpose, structure and function of the present application, the coaxial taper hole milling clamp of the present application will be further described in detail below in combination with the drawings.

[0023] In the description of the present application, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] As shown in the figure, the coaxial taper hole milling clamp provided by the application comprises a bottom plate 1, a back plate 2, a first pad 3, an adjustable pad 4, a third pad 5 and a fourth pad 6, the middle position of the bottom plate 1 is vertically provided with the back plate 2, the working surface of the back plate 2 is provided with the first pad 3, the adjustable pad 4 and the fourth pad 6, the bottom plate 1 is provided with the third pad 5, the back surface of the third pad 5 is in abutment with the back plate 1, and the fourth pad 6 is provided with a tool setting block 7; the first pad 3, the adjustable pad 4 and the third pad 5 are arranged in the same vertical direction from top to bottom, and the fourth pad 6 is arranged at the side edge position of the adjustable pad 4.

[0025] The connecting position of the bottom surface of the bottom plate 1 and the back surface of the back plate 2 is welded with a reinforcing rib 8, the reinforcing rib 8 is a triangular plate structure, the strength and rigidity of the clamp are enhanced without increasing the thickness of the back plate, the material usage is saved, the weight of the tooling is reduced, and the manufacturing cost of the clamp is reduced. A screw pocket hole 9 is formed around the bottom plate 1, the bottom plate 1 is installed on the machine tool table through cooperation of the screw and the screw pocket hole 9, the upper surface of the bottom plate 1 is provided with a first mounting surface 11, the first mounting surface 11 is used for supporting the workpiece mounting surface when the workpiece is clamped by an operator, so that the workpiece is prevented from being in a suspended state when clamped, and the clamping time is shortened. The top of the back plate 2 is provided with symmetrically arranged clamp hoisting holes 9, the top of the back plate 2 is provided with a tool setting surface 10 away from the fourth pad 6 for length compensation of a machine tool cutter; the back plate 17 is provided with the clamp hoisting holes 3 for facilitating installation and removal of the clamp on the machine tool, and is provided with screw holes and pin holes for facilitating installation of the pads, and the tool setting surface 10 can quickly set the length compensation of the used machining tool, greatly shortens the clamping auxiliary time, and improves the production efficiency.

[0026] The first pad 3 is a stepped plate structure, the first pad 3 is installed above the working surface of the back plate 2 through a screw, one side of the first pad 3 parallel to the back plate 2 is a second working surface 12, the other side of the first pad 3 perpendicular to the back plate 2 is a third working surface 13, and the second working surface 12 is provided with a screw hole 16 and a positioning pin hole 17. The third pad 5 is a stepped plate structure, the third pad 5 is installed on the bottom plate 1 through a screw, one side of the third pad 5 parallel to the back plate 2 is a fourth working surface 14, the other side of the third pad 5 perpendicular to the back plate 2 is a fifth working surface 15, and the fourth working surface is provided with a screw hole 18 and a positioning pin hole 19.

[0027] The adjustable pad 4 is a plate structure, the adjustable pad 4 is installed at the middle position of the back plate 2 through a screw, and the height of the adjustable pad 4 and the back plate 2 is adjusted through a key handle screw 20. The adjustable pad 4 is provided with a 3mm height direction adjustment range, the pad surface and the rib top surface of the workpiece body 22 can be seamlessly fitted by rotating the key handle screw 20, the support of the workpiece body 22 is strengthened, and the rigidity of the workpiece body 22 is enhanced.

[0028] The inspection block 7 is movably installed on the upper surface of the fourth pad 6, and the inspection block 7 is provided with a tapered inspection surface 21, so that the inspection block 7 can prevent the operator from using the wrong tool to process the workpiece, and prevent the workpiece from being scrapped.

[0029] The coaxial taper hole milling clamp further comprises a workpiece body 22, the workpiece body 22 is a special-shaped support structure, one side of the workpiece body 22 is provided with a mounting ear plate, and the first taper hole 23 and the second taper hole 24 are formed in the mounting ear plate. The workpiece screw 25 and the workpiece pin 26 on one side of the workpiece body 22 are threadedly connected with the screw hole one 16 and the positioning pin hole one 17 of the first pad 3 and are installed on the first pad 3; the workpiece screw 25 and the workpiece pin 26 on the other side of the workpiece body 22 are threadedly connected with the screw hole two 18 and the positioning pin hole two 19 of the third pad 5 and are installed on the third pad 5.

[0030] The specific operation method of the present application is as follows:

[0031] Firstly, the second mounting surface 12 is straightened on the machine tool to align the clamp, the clamp is fixed on the machine tool workbench through the screw sink hole 9, then the mounting surface of the workpiece body 22 is attached to the first mounting surface 11, the second mounting surface 12, the third mounting surface 13, the fourth mounting surface 14 and the fifth mounting surface 15 of the clamp, after the attachment, the workpiece pin 26 is inserted for positioning, then the workpiece screw 25 is used to fix the workpiece body 22 on the clamp, the adjustable pad 4 is tightly attached to the rib top surface of the workpiece body 22 by rotating the key handle screw 20, and the fixing work of the workpiece body 22 is completed.

[0032] After the part processing coordinate system is established, the operator performs tool length compensation by using the tool surface 10 of the clamp, the technician prepares a tool verification block to verify the tool path at the beginning of each program, and the tool verification block verifies the tool diameter and the tool bottom angle by using the tool surface 21 of the tool verification block 7. After the first taper hole 23 is finished, the second taper hole 24 is precisely bored as a through hole by using a boring tool in the same coordinate and the same axial direction, so that the coaxiality requirement of the hole of the workpiece body 22 after processing is met, and the workpiece body 22 of the next process is processed by using the same clamping mode, and the workpiece is precisely bored as a through hole by using a dial gauge to align the circle, and the workpiece body 22 after processing can meet the coaxiality design requirement of the first taper hole 23 and the second taper hole 24.

[0033] It is to be understood that the present application can be carried out by specifically different features and embodiments without departing from the spirit and scope of the application. Hence, specific embodiments disclosed herein are fully intended to be illustrative only and in no way limit the scope of the present application. Numerous modifications and equivalents can be suggested to those skilled in the art and many such modifications can made without departing from the spirit and scope of the application. Accordingly, it is not intended that the present application be limited, except as by the appended claims.

Claims

1. A coaxial taper hole milling jig characterized by, The utility model provides a kind of adjustable tool rest, including bottom plate (1), back plate (2), first cushion block (3), adjustable cushion block (4), third cushion block (5) and fourth cushion block (6), the middle position of the bottom plate (1) is vertically installed with back plate (2), the working surface of back plate (2) is installed with first cushion block (3), adjustable cushion block (4) and fourth cushion block (6), third cushion block (5) is installed on bottom plate (1), the back of third cushion block (5) and back plate (2) abut, fourth cushion block (6) is provided with tool rest block (7);First cushion block (3), adjustable cushion block (4) and third cushion block (5) are arranged in the same vertical direction from top to bottom, and the fourth cushion block (6) is arranged at the side edge of the adjustable cushion block (4). The adjustable cushion block (4) is a plate structure, and the adjustable cushion block (4) is installed in the middle position of the back plate (2) through a screw, and the height of the adjustable cushion block (4) and the back plate (2) is adjusted through a key handle screw (20). The tool rest block (7) is movably installed on the upper surface of the fourth cushion block (6), and the tool rest block (7) is provided with a tapered tool rest surface (21). Further comprising a workpiece body (22), the workpiece body (22) is a special-shaped support structure, one side of the workpiece body (22) is provided with a mounting ear plate, and a first taper hole (23) and a second taper hole (24) are formed in the mounting ear plate. The workpiece screw (25) and the workpiece pin (26) on one side of the workpiece body (22) are threadedly connected with the screw hole one (16) and the positioning pin hole one (17) of the first cushion block (3) and are installed on the first cushion block (3); the workpiece screw (25) and the workpiece pin (26) on the other side of the workpiece body (22) are threadedly connected with the screw hole two (18) and the positioning pin hole two (19) of the third cushion block (5) and are installed on the third cushion block (5).

2. A coaxial taper hole milling jig according to claim 1, wherein The connecting position of the bottom surface of the bottom plate (1) and the back surface of the back plate (2) is welded with a reinforcing rib (8), the reinforcing rib (8) is a triangular plate structure, screw sink holes (9) are formed around the bottom plate (1), the bottom plate (1) is installed on the machine tool workbench through screws matched with the screw sink holes (9), and a first mounting surface (11) is arranged on the upper surface of the bottom plate (1).

3. A coaxial taper hole milling jig according to claim 1, wherein A clamp hoisting hole (27) is formed in the top of the back plate (2), and a tool setting surface (10) for compensating the length of the machine tool cutter is formed on the side of the top of the back plate (2) away from the fourth cushion block (6).

4. A coaxial taper hole milling jig according to claim 1, wherein The first cushion block (3) is a stepped plate structure, the first cushion block (3) is installed above the working surface of the back plate (2) through a screw, one side of the first cushion block (3) parallel to the back plate (2) is a second working surface (12), one side of the first cushion block (3) perpendicular to the back plate (2) is a third working surface (13), and screw holes one (16) and positioning pin holes one (17) are formed in the second working surface (12).

5. A coaxial taper hole milling jig according to claim 1, wherein The third cushion block (5) is a ladder-shaped plate structure, the third cushion block (5) is installed on the bottom plate (1) through a screw, a fourth working surface (14) parallel to the back plate (2) of the third cushion block (5) is provided, a fifth working surface (15) perpendicular to the back plate (2) of the third cushion block (5) is provided, and a screw hole two (18) and a positioning pin hole two (19) are formed in the fourth working surface.

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