Extra-large special-shaped blind hole barrel forging die

Abstract

The utility model discloses a forging die for an oversized special-shaped blind hole barrel, and particularly relates to the technical field of forging of barrel forgings. The forging die comprises a base, and outer polishing components are movably connected to the upper portions of two sliding mechanisms in an annular array mode; the sides, close to the middles of the inner cavities of the corresponding sliding mechanisms, of the multiple outer polishing parts are slidably connected with inner polishing mechanisms. According to the forging die for the oversized special-shaped blind hole barrel, the buffering assembly can buffer the downward pressure borne by the upper portion of the bearing mechanism, and meanwhile the sliding mechanism can drive the multiple outer polishing components and the inner polishing mechanism to slide left and right; the outer surface of the barrel can be polished and ground through the outer polishing part, the inner surface of the barrel can be polished and ground under the action of the inner polishing mechanism, the position of the sliding mechanism corresponding to the transmission mechanism can be adjusted through the transmission mechanism, and the practicability and universality of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinder forgings, in particular to an extra-large special-shaped blind hole cylinder forging die. Background Art

[0002] Oversized special-shaped blind hole cylinder forgings are the most common type of oversized special-shaped blind hole cylinder forgings. They are usually used in hydraulic equipment such as hydraulic cylinders. They have complex special-shaped structures and internal blind hole designs. They are used to withstand high-pressure liquid forces and perform hydraulic actions. Oversized special-shaped blind hole cylinder forgings need to go through multiple steps during the forging process. Among them, polishing is one of the main steps to ensure the quality of oversized special-shaped blind hole cylinder forgings. When polishing the cylinder forgings, they need to be clamped and limited to keep them stable to prevent deviation during the polishing process. The current commonly used clamping method is usually to clamp them with a multi-jaw chuck.

[0003] However, the existing clamping method of oversized special-shaped blind hole cylinder forgings requires manual flipping of the cylinder body that has been polished on one side, which makes it impossible to polish and grind the cylinder body conveniently and quickly. As a result, the cylinder body needs to be manually adjusted in multiple steps, which affects the processing efficiency of the workpiece. Utility Model Content

[0004] The main purpose of the utility model is to provide a forging die for an oversized special-shaped blind hole cylinder, which can effectively solve the problem of being unable to polish and grind the cylinder conveniently and quickly.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A forging die for an extra-large special-shaped blind hole cylinder comprises a base, wherein the left and right upper ends of the outer surface of the base are symmetrically provided with T-slots communicating with the outside world, the middle portion of the upper end of the outer surface of the base is fixedly connected to a bearing mechanism, a plurality of buffer components are fixedly connected to the lower side of the bearing mechanism at intervals, the inner cavities of the two T-slots are both slidably connected to a sliding mechanism, the upper portions of the two sliding mechanisms are both movably connected to external polishing components in a circular array, and the sides of the external polishing components close to the middle of the corresponding sliding mechanism inner cavities are all slidably connected to an internal polishing mechanism, and the middle portions of the left and right ends of the outer surface of the base are symmetrically fixedly connected to a transmission mechanism.

[0007] Preferably, the bearing mechanism comprises a rectangular shell, and an arc-shaped support frame is slidably connected to the upper part of the inner cavity of the rectangular shell.

[0008] Preferably, the buffer assembly includes a cylindrical shell, the bottom wall of the inner cavity of the cylindrical shell is fixedly connected to a spring 1, the upper part of the outer surface of the spring 1 is fixedly connected to a connecting column, and the upper end of the outer surface of the connecting column is fixedly connected to the lower end of the outer surface of the arc-shaped support.

[0009] Preferably, the transmission mechanism includes an internally threaded casing, and the inner cavity of the internally threaded casing is threadedly connected to an externally threaded rod.

[0010] Preferably, the sliding mechanism includes a support plate, a T-shaped block is fixedly connected to the middle of the lower end of the outer surface of the support plate, a circular frame is fixedly connected to the upper part of the outer surface of the support plate, a circular plate is fixedly connected inside the circular frame, and the end of the outer surface of the T-shaped block away from the middle of the base is rotatably connected to the end of the outer surface of the external threaded rod close to the middle of the base.

[0011] Preferably, the outer polishing component comprises an outer polishing arc plate, and the left and right sides of the lower portion of the outer polishing arc plate are symmetrically fixedly connected with positioning mechanisms, and the positioning mechanisms are sleeved on the middle portion of the circular plate.

[0012] Preferably, the positioning mechanism includes a fixed housing, a second spring is fixedly connected to the left wall of the inner cavity of the fixed housing, and a spherical block is fixedly connected to the right part of the outer surface of the second spring.

[0013] Preferably, the inner polishing mechanism comprises an inner polishing arc plate, the right portion of the inner polishing arc plate is provided with an accommodating cavity communicating with the outside world, and the left and right walls of the accommodating cavity are both provided with a plurality of positioning holes communicating with the outside world at intervals.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The utility model can place and carry the cylinder through the carrying mechanism, and can buffer the downward pressure suffered by the upper part of the carrying mechanism through the buffer component. At the same time, the sliding mechanism can drive several external polishing parts and the internal polishing mechanism to slide left and right, thereby improving the practicality of the device. The external polishing parts can be used to polish and grind the outer surface of the cylinder, and the internal polishing mechanism can be used to polish and grind the inner surface of the cylinder, and the transmission mechanism can adjust the position of the corresponding sliding mechanism, thereby improving the practicality and universality of the device.

[0016] 2. The utility model first completely inserts two groups of multiple outer polishing arc plates and inner polishing arc plates into the inner cavities on both sides of the cylinder, and then pulls the multiple outer polishing arc plates and the multiple inner polishing arc plates according to the aperture size at both ends of the cylinder to perform telescopic adjustment until the outer surfaces of the multiple outer polishing arc plates and the inner surfaces of the multiple inner polishing arc plates are completely in contact with the outer surface and inner surface of the cylinder, and after the corresponding outer polishing arc plates and the inner polishing arc plates are adjusted to the required positions, the positioning mechanism has a rebound force, which can push the spherical block into the corresponding positioning hole cavity, thereby ensuring that the relative position of the outer polishing arc plate and the accommodating cavity will not shift during the polishing and grinding of the cylinder, thereby improving the practicality and universality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the load-bearing mechanism, buffer assembly, and transmission mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the sliding mechanism structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the external polishing component and the internal polishing mechanism of the utility model.

[0021] In the figure: 1. Base; 2. T-slot; 3. Bearing mechanism; 31. Rectangular shell; 32. Arc-shaped support frame; 4. Buffer assembly; 41. Cylindrical sleeve; 42. Spring 1; 43. Connecting column; 5. Sliding mechanism; 51. Support plate; 52. T-shaped block; 53. Circular frame; 54. Circular plate; 6. External polishing component; 61. External polishing arc-shaped plate; 62. Positioning mechanism; 621. Fixed sleeve; 622. Spring 2; 623. Spherical block; 7. Internal polishing mechanism; 71. Internal polishing arc-shaped plate; 72. Accommodating chamber; 73. Positioning hole; 8. Transmission mechanism; 81. Internally threaded sleeve; 82. Externally threaded rod. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1 As shown, an extra-large special-shaped blind hole cylinder forging die comprises a base 1, and the upper left and right parts of the outer surface of the base 1 are symmetrically provided with T-shaped slots 2 that communicate with the outside world. The middle part of the upper end of the outer surface of the base 1 is fixedly connected with a bearing mechanism 3, which can realize the function of placing and bearing the cylinder. A plurality of buffer components 4 are fixedly connected with the lower side of the inner part of the bearing mechanism 3 at intervals, which can realize the function of buffering the downward pressure suffered by the upper part of the bearing mechanism 3. The inner cavities of the two T-shaped slots 2 are slidably connected with sliding mechanisms 5, which can realize the function of driving a plurality of outer polishing parts 6 and an inner polishing mechanism 7 to slide left and right. The upper parts of the two sliding mechanisms 5 are movably connected with outer polishing parts 6 in a circular array, which can realize the function of polishing and grinding the outer surface of the cylinder. The outer polishing parts 6 are slidably connected with the inner polishing mechanism 7 on one side close to the middle of the inner cavity of the corresponding sliding mechanism 5, which can realize the function of polishing and grinding the inner surface of the cylinder. The middle left end and the middle right end of the outer surface of the base 1 are symmetrically fixedly connected with a transmission mechanism 8, which can realize the function of adjusting the position of the corresponding sliding mechanism 5.

[0024] In order to place and carry the cylinder, refer to Figure 2 The supporting mechanism 3 includes a rectangular shell 31, and an arc-shaped support frame 32 is slidably connected to the upper part of the inner cavity of the rectangular shell 31, which can support the cylinder that needs to be processed and polished by placing it on the upper part of the arc-shaped support frame 32.

[0025] In order to achieve the purpose of buffering the downward pressure on the upper part of the supporting mechanism 3, see Figure 2 The buffer assembly 4 includes a cylindrical shell 41, and the bottom wall of the inner cavity of the cylindrical shell 41 is fixedly connected to a spring 42, which can buffer the downward pressure suffered by the arc-shaped support frame 32 and protect the arc-shaped support frame 32. The upper part of the outer surface of the spring 42 is fixedly connected to a connecting column 43, and the upper end of the outer surface of the connecting column 43 is fixedly connected to the lower end of the outer surface of the arc-shaped support frame 32.

[0026] In order to adjust the position of the corresponding sliding mechanism 5, refer to Figure 2 The transmission mechanism 8 includes an internal threaded casing 81 , and an external threaded rod 82 is threadedly connected to the inner cavity of the internal threaded casing 81 .

[0027] By rotating the external threaded rod 82, threaded transmission can be generated between the external threaded rod 82 and the inner surface of the corresponding internal threaded housing 81, thereby pushing the T-shaped block 52 connected thereto through the external threaded rod 82, and then enabling the circular frame 53 to slide left and right along the corresponding T-shaped slot 2.

[0028] In order to achieve the purpose of driving the outer polishing parts 6 and the inner polishing mechanism 7 to slide left and right, refer to Figure 3 The sliding mechanism 5 includes a support plate 51, and a T-shaped block 52 is fixedly connected to the middle of the lower end of the outer surface of the support plate 51, which can guide the movement of the support plate 51. A circular frame 53 is fixedly connected to the upper part of the outer surface of the support plate 51, and a circular plate 54 is fixedly connected to the inside of the circular frame 53, which can limit the position of the outer polishing component 6 and the inner polishing mechanism 7, and the end of the outer surface of the T-shaped block 52 away from the middle of the base 1 is rotatably connected to the end of the outer surface of the external threaded rod 82 close to the middle of the base 1.

[0029] In order to achieve the purpose of polishing the outer surface of the cylinder, refer to Figure 4 The outer polishing component 6 includes an outer polishing arc plate 61, and the positioning mechanism 62 is symmetrically fixedly connected to the left and right sides of the lower part of the outer polishing arc plate 61, which can lock the relative position of the outer polishing arc plate 61 and the inner polishing mechanism 7, and the positioning mechanism 62 is sleeved in the middle of the circular plate 54.

[0030] In order to achieve the purpose of locking the relative positions of the outer polishing arc plate 61 and the inner polishing mechanism 7, refer to Figure 4 The positioning mechanism 62 includes a fixed shell 621, and the left wall of the inner cavity of the fixed shell 621 is fixedly connected to a spring 2 622, which can push the corresponding spherical block 623 to perform telescopic movement. The right part of the outer surface of the spring 2 622 is fixedly connected to the spherical block 623.

[0031] In order to achieve the purpose of polishing the inner surface of the cylinder, refer to Figure 4 The inner polishing mechanism 7 includes an inner polishing arc plate 71. The right part of the inner polishing arc plate 71 is provided with a receiving cavity 72 communicating with the outside world. The left and right walls of the inner cavity of the receiving cavity 72 are spaced apart and provided with a plurality of positioning holes 73 communicating with the outside world.

[0032] When the relative positions of the outer polished arc plate 61 and the inner polished arc plate 71 need to be adjusted, by pulling the outer polished arc plate 61 and the inner polished arc plate 71 up and down, when the outer polished arc plate 61 and the inner polished arc plate 71 are telescopically adjusted to the desired position along the inner cavity of the circular plate 54, the corresponding spherical block 623 will be pushed by the elastic force of the corresponding spring 2 622 to pop out into the inner cavity of the positioning hole 73 at the relative position, thereby locking the relative positions of the outer polished arc plate 61 and the inner polished arc plate 71.

[0033] The working principle of the present invention is as follows: when the cylinder needs to be processed and polished, the cylinder is first placed horizontally on the upper surface of the arc-shaped support frame 32, and then the two external threaded rods 82 are rotated by the length of the cylinder, so that the two external threaded rods 82 push the corresponding support plates 51 to move until the two support plates 51 are close to each other and fully inserted into the inner cavities on both sides of the cylinder. At this time, the outer polishing arc plate 61 and the inner polishing arc plate 71 are pulled up and down respectively by the size of the apertures at the left and right ends of the outer surface of the cylinder, thereby 2, the rebound force pushes the corresponding spherical block 623 to be stuck in the corresponding inner cavity of the positioning hole 73, thereby locking the relative positions of the outer polishing arc plate 61 and the inner polishing arc plate 71 until the inner surfaces of the plurality of outer polishing arc plates 61 and the outer surfaces of the plurality of inner polishing arc plates 71 are completely in contact with the outer surface and inner surface of the cylinder, and finally the cylinder is driven to rotate by an external driving device, so that the outer surface and inner surface of the cylinder can be fully polished by the plurality of outer polishing arc plates 61 and the inner polishing arc plates 71.

[0034] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A forging die for an oversized special-shaped blind hole cylinder, comprising a base (1), characterized in that: The outer surface of the base (1) is symmetrically provided with T-shaped grooves (2) communicating with the outside world on the left and right upper ends. A bearing mechanism (3) is fixedly connected to the middle of the upper end of the outer surface of the base (1). A plurality of buffer components (4) are fixedly connected to the lower side of the bearing mechanism (3) at intervals. The inner cavities of the two T-shaped grooves (2) are both slidably connected to the sliding mechanism (5). The upper parts of the two sliding mechanisms (5) are movably connected to the outer polishing components (6) in an annular array. The sides of the plurality of outer polishing components (6) close to the middle of the inner cavity of the corresponding sliding mechanism (5) are all slidably connected to the inner polishing mechanism (7). The middle of the left end and the middle of the right end of the outer surface of the base (1) are symmetrically fixedly connected to the transmission mechanism (8).

2. The forging die for an oversized special-shaped blind hole cylinder according to claim 1, characterized in that: The bearing mechanism (3) comprises a rectangular shell (31), and an arc-shaped support frame (32) is slidably connected to the upper part of the inner cavity of the rectangular shell (31).

3. The forging die for an oversized special-shaped blind hole cylinder according to claim 2, characterized in that: The buffer assembly (4) comprises a cylindrical casing (41), the bottom wall of the inner cavity of the cylindrical casing (41) is fixedly connected to a spring 1 (42), the upper portion of the outer surface of the spring 1 (42) is fixedly connected to a connecting column (43), and the upper end of the outer surface of the connecting column (43) is fixedly connected to the lower end of the outer surface of the arc-shaped support frame (32).

4. The forging die for an oversized special-shaped blind hole cylinder according to claim 1, characterized in that: The transmission mechanism (8) comprises an internally threaded casing (81), and an externally threaded rod (82) is threadedly connected to the inner cavity of the internally threaded casing (81).

5. The forging die for an oversized special-shaped blind hole cylinder according to claim 4, characterized in that: The sliding mechanism (5) comprises a support plate (51), a T-shaped block (52) is fixedly connected to the middle of the lower end of the outer surface of the support plate (51), a circular frame (53) is fixedly connected to the upper part of the outer surface of the support plate (51), a circular plate (54) is fixedly connected inside the circular frame (53), and an end of the outer surface of the T-shaped block (52) away from the middle of the base (1) is rotatably connected to an end of the outer surface of the external threaded rod (82) close to the middle of the base (1).

6. The forging die for an oversized special-shaped blind hole cylinder according to claim 5, characterized in that: The outer polishing component (6) comprises an outer polishing arc plate (61), and positioning mechanisms (62) are symmetrically fixedly connected to the left and right sides of the lower portion of the outer polishing arc plate (61), and the positioning mechanisms (62) are sleeved in the middle of the circular plate (54).

7. The forging die for an oversized special-shaped blind hole cylinder according to claim 6, characterized in that: The positioning mechanism (62) comprises a fixed housing (621), a second spring (622) is fixedly connected to the left wall of the inner cavity of the fixed housing (621), and a spherical block (623) is fixedly connected to the right part of the outer surface of the second spring (622).

8. The forging die for an oversized special-shaped blind hole cylinder according to claim 1, characterized in that: The inner polishing mechanism (7) comprises an inner polishing arc plate (71), a right portion of which is provided with an accommodating cavity (72) communicating with the outside world, and a plurality of positioning holes (73) communicating with the outside world are spaced apart and arranged on the left and right walls of the accommodating cavity (72).

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