End fixing device for shaft workpiece machining

Abstract

An end fixing device for shaft workpiece machining belongs to the technical field of punching clamps and comprises a base with a mounting hole, a vertical frame is fixedly mounted at the center of the upper surface of the base, a movable plate is slidably mounted in the vertical frame, a screw is rotatably mounted in the vertical frame, a hand wheel is fixedly mounted at the top end of the screw, and the screw is in threaded connection with the movable plate. Two positioning openings are formed in the upper surface of the movable plate in a left-right symmetry and penetrating mode, a hollow pressing block is fixedly installed on the left side of the lower surface of the movable plate and located under the positioning opening in the left side, and V-shaped blocks are symmetrically and fixedly installed on the right side of the lower surface of the movable plate and located on the front side and the rear side of the positioning opening in the right side. According to the clamping device, auxiliary clamping can be carried out on the curved surface and the end face of a shaft workpiece under the condition that the state of one clamping device is not changed, the time for replacing a clamp can be saved during actual punching operation, and the production efficiency of the shaft workpiece is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of punching fixtures, and in particular relates to an end fixing device for machining shaft workpieces. Background Art

[0002] In the field of mechanical processing, during the processing of shaft workpieces, they often need to be firmly clamped in a fixture, and then a special punching tool is used to perform hole drilling operations on the curved surface or end face.

[0003] However, traditional clamping and fixing equipment generally has limitations, that is, they often only support a single horizontal or vertical clamping method, which makes it difficult to meet the diverse clamping needs during the processing. In the actual production process, round shaft workpieces may need to be flexibly fixed horizontally or vertically according to different processing requirements. Due to the lack of devices that can be compatible with two clamping directions at the same time on the current market, this has led to the phenomenon of frequent replacement of clamping tools, which not only consumes a lot of time and resources, but also directly reduces overall production efficiency. In addition, inappropriate clamping methods may also cause deformation to the workpiece, which in turn has an adverse effect on the processing accuracy. In view of this, an end fixing device for shaft workpiece processing is hereby introduced to effectively solve the above-mentioned technical problems. Utility Model Content

[0004] In view of the problem that the clamping tools used in the prior art for drilling holes in shaft workpieces have a single clamping direction, and when drilling holes in the curved surface and end face of the shaft workpiece, the clamping tools need to be frequently replaced, which affects the production efficiency. The utility model provides an end fixing device designed for the processing of shaft workpieces, which can drive the movable plate to move up and down by rotating the screw by operating the hand wheel. A pressing block and a V-shaped block are respectively installed on both sides of the lower surface of the movable plate, and the two form a synergistic effect with the positioning groove and the support block on the base respectively. Among them, the pressing block and the positioning groove are used in conjunction with each other to The V-block is used in conjunction with the support block to clamp the horizontal shaft workpiece horizontally, and can realize auxiliary clamping of the curved surface and end face of the shaft workpiece without changing the state of the clamping device. During the actual drilling operation, it can save the time of replacing the fixture and improve the production efficiency of the shaft workpiece. It effectively solves the problem that the clamping tools used in the prior art for drilling shaft workpieces have a single clamping direction and need to frequently replace the clamping tools when drilling the curved surface and end face of the shaft workpiece, which affects the production efficiency. The specific technical solution is as follows:

[0005] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod is pivotally connected to said linking rod. said linking rod is pivotally connected to said linking rod.

[0006] In the above technical solution, a Y-shaped groove is provided on the upper surface of the support block.

[0007] In the above technical solution, an inner groove body is provided inside the positioning groove and the pressing block.

[0008] In the above technical solution, a T-shaped hollow sleeve is rotatably installed in each of the positioning openings.

[0009] In the above technical solution, annular grooves are symmetrically opened on the upper surface of the movable plate, and the annular grooves are located on the outside of the corresponding positioning ports. A plurality of steel balls are equidistantly embedded and rotatably installed on the lower surface of the top of the T-shaped hollow sleeve, and the steel balls are rolled in the corresponding annular grooves.

[0010] In the above technical solution, bolts are screwed and installed between the front and rear ends of the support block and the base respectively.

[0011] Compared with the prior art, the end fixing device of the utility model for machining shaft workpieces has the following beneficial effects:

[0012] 1. The utility model can drive the movable plate to move up and down by rotating the screw by operating the hand wheel. A pressure block and a V-shaped block are respectively installed on both sides of the lower surface of the movable plate, and the two cooperate with the positioning groove and the support block on the base. Among them, the pressure block is used in conjunction with the positioning groove to vertically clamp the longitudinal shaft workpiece; and the V-shaped block is used in conjunction with the support block to horizontally clamp the transverse shaft workpiece. It can realize that a clamping device can assist in clamping the curved surface and end face drilling of the shaft workpiece without changing its state. During the actual drilling operation, it can save the time of replacing the fixture and improve the production efficiency of the shaft workpiece.

[0013] Second, the present invention rotates a T-shaped hollow sleeve within the positioning hole, allowing the drill bit to rotate with it during drilling, providing more stable support. During the drilling process, the drill bit rotates at high speed and generates strong friction and cutting forces against the workpiece. The presence of the T-shaped hollow sleeve effectively reduces the drill bit's shaking and deviation, ensuring the accuracy and quality of the drilling. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the present utility model.

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the present utility model.

[0016] Figure 3 This is a schematic diagram of the movable plate structure of the present utility model.

[0017] Figure 4 This is a schematic diagram of the structure of the utility model when horizontally clamping a shaft workpiece.

[0018] Figure 5 This is a schematic diagram of the structure of the utility model when longitudinally clamping a shaft workpiece.

[0019] Figure 1-5 Among them: 1. Base; 11. Mounting hole; 2. Vertical frame; 3. Screw; 31. Handwheel; 4. Movable plate; 41. Positioning port; 42. Press block; 43. V-shaped block; 44. Annular groove; 5. Support block; 51. Y-shaped groove; 6. Positioning groove; 7. T-shaped hollow sleeve; 8. Steel ball; 9. Shaft workpiece. DETAILED DESCRIPTION

[0020] 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.

[0021] In this embodiment, front, back, left, right, up and down are represented by Figure 1 Describes the datum. Figure 1-Figure 5 , the utility model provides a technical solution:

[0022] The cam 31 is provided with a screw rod 32 and a screw rod 33, and the cam 32 is provided with a screw rod 34. The cam 31 is provided with a screw rod 35 and a screw rod 36 is provided with a screw rod 37. The cam 31 is provided with a screw rod 38. The cam 31 is provided with a screw rod 39.

[0023] When using, Figure 1 As shown, the screw 3 is first rotated by the hand wheel 31, and the movable plate 4 is moved upward by the screw 3 to reserve a height for placing the workpiece. After that, the position to be used is selected according to whether the curved surface or end face of the shaft workpiece 9 is to be drilled;

[0024] If it is necessary to punch the end face of the shaft workpiece 9, Figure 2 and Figure 5 As shown, the shaft workpiece 9 is placed longitudinally into the positioning groove 6. After that, the screw 3 is driven to rotate in the reverse direction by the handwheel 31, and the movable plate 4 is driven downward to clamp the shaft workpiece 9 longitudinally between the pressing block 42 and the positioning groove 6. When drilling, the drilling bit is passed through the positioning opening 41 to drill a hole on the upper end surface of the shaft workpiece 9.

[0025] If it is necessary to punch a hole on the curved surface of a shaft workpiece 9. Figure 2 and Figure 4 As shown, the shaft workpiece 9 is placed horizontally in the support block 5. Then, the screw 3 is driven to rotate in the reverse direction by the handwheel 31, and the movable plate 4 is driven to move downward to clamp the shaft workpiece 9 horizontally between the V-block 43 and the support block 5. When drilling, the drilling bit is passed through the positioning port 41 to drill the curved surface of the shaft workpiece 9.

[0026] Compared with the existing technology, this device can realize auxiliary clamping of the curved surface and end face drilling of the shaft workpiece by a clamping device without changing the state. During the actual drilling operation, it can save the time of replacing the clamp and improve the production efficiency of the shaft workpiece 9.

[0027] like Figure 2As shown, when clamping the shaft workpiece 9 horizontally, in order to improve the stability of the support block 5 in clamping the shaft workpiece 9 during use, a Y-shaped groove 51 is opened on the upper surface of the support block 5. When the shaft workpiece 9 is placed, the Y-shaped groove 51 can limit the left and right sides of the shaft workpiece 9, thereby improving the stability during clamping.

[0028] like Figure 2 As shown, in the process of longitudinally clamping the shaft workpiece 9, in order to ensure the accuracy of the punching operation and prevent the shaft workpiece 9 from affecting the punching effect due to lateral displacement during the punching process, inner groove bodies are provided inside the positioning groove 6 and the pressure block 42. When the upper and lower ends of the shaft workpiece 9 are precisely placed in the corresponding inner groove bodies, the blocking and limiting effect of the inner wall of the inner groove body can effectively prevent the shaft workpiece 9 from lateral displacement during the punching process, thereby ensuring the accuracy and quality of the punching.

[0029] In addition, in the process of drilling the shaft workpiece 9, in order to provide the stability of the drilling drill, the Figure 3 and Figure 2 As shown, a T-shaped hollow sleeve 7 is rotatably installed in the positioning port 41. The drill bit rotates at high speed and generates strong friction and cutting force with the workpiece. The presence of the T-shaped hollow sleeve 7 can effectively reduce the shaking and deviation of the drill bit, ensuring the accuracy and quality of drilling.

[0030] In addition, in order to reduce the friction between the T-shaped hollow sleeve 7 and the upper surface of the movable plate 4 and improve the rotation efficiency, the Figure 2 and Figure 3 As shown, the upper surface of the movable plate 4 is symmetrically provided with annular grooves 44, which are located outside the corresponding positioning openings 41. The lower surface of the top of the T-shaped hollow sleeve 7 is equidistantly embedded with a plurality of steel balls 8 for rotational installation. The steel balls 8 are rolled in the corresponding annular grooves 44. The plurality of steel balls 8 effectively isolate the T-shaped hollow sleeve 7 from the upper surface of the movable plate 4, thereby solving the friction problem between the two.

[0031] Finally, it should be noted that the front and rear ends of the support block 5 are respectively screwed to the base 1 with bolts. When the support block 5 needs to be replaced to adapt to the auxiliary clamping operation of workpieces of different shapes, the bolts can be simply loosened and removed, and then the support block 5 can be removed from the base 1 and replaced with a support block 5 of the corresponding shape to ensure the smooth progress of the clamping operation.

Claims

1. An end fixing device for machining shaft workpieces, comprising a base (1) with a mounting hole (11), characterized in that: A vertical frame (2) is fixedly installed at the center of the upper surface of the base (1), a movable plate (4) is vertically slidably installed in the vertical frame (2), and a screw (3) is rotatably installed in the vertical frame (2), a hand wheel (31) is fixedly installed at the top of the screw (3), and the screw (3) and the movable plate (4) are threadedly connected, and two positioning holes (41) are symmetrically opened on the upper surface of the movable plate (4), and a hollow pressing block (42) is fixedly installed on the left side of the lower surface of the movable plate (4), and the pressing block (42) is located at Directly below the positioning opening (41) on the left side, a V-shaped block (43) is symmetrically fixedly installed on the right side of the lower surface of the movable plate (4), and the two V-shaped blocks (43) are located on the front and rear sides of the positioning opening (41) on the right side. The left and right sides of the upper surface of the base (1) are respectively provided with positioning grooves (6) and supporting blocks (5), and the positioning grooves (6) and the pressure blocks (42) cooperate to clamp and fix the longitudinal shaft workpiece (9), and the V-shaped blocks (43) and the supporting blocks (5) cooperate to clamp and fix the transverse shaft workpiece (9).

2. The end fixing device for machining shaft workpieces according to claim 1, characterized in that: A Y-shaped groove (51) is provided on the upper surface of the support block (5).

3. The end fixing device for machining shaft workpieces according to claim 1, characterized in that: The positioning groove (6) and the pressing block (42) are both provided with inner groove bodies.

4. The end fixing device for machining shaft workpieces according to claim 1, characterized in that: A T-shaped hollow sleeve (7) is rotatably installed in each of the positioning openings (41).

5. The end fixing device for machining shaft workpieces according to claim 4, characterized in that: The upper surface of the movable plate (4) is symmetrically provided with annular grooves (44), and the annular grooves (44) are located outside the corresponding positioning openings (41). The lower surface of the top end of the T-shaped hollow sleeve (7) is equidistantly embedded with a plurality of steel balls (8) rotatably installed, and the steel balls (8) are rollingly arranged in the corresponding annular grooves (44).

6. The end fixing device for machining shaft workpieces according to claim 1, characterized in that: Bolts are respectively screwed and installed between the front and rear ends of the support block (5) and the base (1).

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