Columnar casting trimming die with smooth tangent plane

Abstract

The utility model relates to the technical field of trimming dies, and discloses a columnar casting trimming die with a smooth tangent plane, which comprises a die frame, a columnar casting and a bottom die holder arranged on the inner side of the bottom of the die frame, casting surplus edges exist on the surfaces of the two sides of the columnar casting, the columnar casting is placed on the top surface of the bottom die holder, and the columnar casting is placed on the bottom die holder. A supporting sleeve arranged in the columnar casting in a sleeved mode is installed at the top of the bottom die base, and a plurality of clamping rod pieces and a jacking adjusting assembly are arranged in the supporting sleeve in a sleeved mode. According to the utility model, the supporting sleeve, the plurality of clamping rod pieces, the top pressure adjusting assembly and the bottom die holder form a multifunctional clamping module, so that the columnar casting can be clamped and limited in the trimming and mounting process of the columnar casting, and the columnar casting and the supporting sleeve can be concentrically aligned at each other at the same time; and then in the operation process of a trimming module composed of a trimming die and a second hydraulic rod, the trimming error can be fully reduced, and the smooth effect of a tangent plane is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of trimming dies, in particular to a trimming die for a columnar casting with a smooth cut surface. Background Art

[0002] At present, in order to solve the problem of casting margin of columnar castings, a number of technical solutions have been disclosed in the prior art. For example, the patent document with application number CN201821167444.4 and subject name “Columnar casting trimming mold with smooth cut surface” proposes “a columnar casting trimming mold with smooth cut surface, comprising: a lower die set and an upper die set, wherein the pipe to be trimmed is arranged between the lower die set and the upper die set; the lower die set comprises a lower template, two lower support arms fixed to the lower template and spaced apart from each other, a rotating shaft arranged on the lower support arms, a pair of lower tool mounting shafts sleeved on the rotating shaft, and a lower tool fixed to the lower tool mounting shaft; the lower The surface of the rotating shaft on the support arm is symmetrically provided with a first thread and a second thread on both sides of the midline, and the thread rotation directions of the first thread and the second thread are opposite; a lower limit shaft parallel to the rotating shaft is also fixed on the lower support arm, the lower limit shaft passes through one end of the lower tool mounting shaft, and the lower tool is mounted on the other end of the lower tool mounting shaft; a loop is provided at one end of the lower tool mounting shaft near the lower limit shaft, the loop is sleeved on the rotating shaft, and an internal thread matching the first thread and the second thread is provided therein; when the rotating shaft rotates, the loop and the tool mounting shaft are driven to move in opposite directions along the rotating shaft, thereby controlling the opening or gathering of the tool in the horizontal direction.

[0003] It can be seen from the above disclosed technical content that the prior art has achieved smooth trimming of columnar castings while being able to adapt to columnar castings of different sizes. However, during the operation of the above prior art, the columnar castings need to be placed horizontally for processing, which is feasible for longer columnar castings, but for shorter columnar castings, if placed horizontally, the area exposed to the outside is small, making it difficult to clamp and limit. Secondly, the above prior art does not disclose the clamping of columnar castings, which makes it even less suitable and has certain limitations in practicality. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a columnar casting trimming die with a smooth cut surface, which solves the problems raised by the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a columnar casting trimming mold with a smooth cut surface, comprising a mold frame, a columnar casting and a bottom mold base installed on the inner side of the bottom of the mold frame, the two side surfaces of the columnar casting have casting margins, the columnar casting is placed on the top surface of the bottom mold base, and a support sleeve sleeved inside the columnar casting is installed on the top of the bottom mold base;

[0006] The support sleeve is internally provided with a plurality of clamping rods and a top pressure adjusting assembly, one end of each of the clamping rods is transmission-connected to the output structure of the top pressure adjusting assembly, and the other end of each of the clamping rods can clamp and limit the columnar casting under the top pressure transmission of the top pressure adjusting assembly;

[0007] A trimming die and a guide rod are aligned on the top of the columnar casting. The guide rod is sleeved on the inner side of the top of the die frame. The output end of the guide rod is transmission-connected to the top of the trimming die.

[0008] Selectedly, several of the clamping rods are composed of a T-shaped clamping rod and a spring, the middle part of the T-shaped clamping rod is clamped inside the side wall of the supporting sleeve, and the two ends of the spring are respectively fixedly connected to the end surface of the T-shaped clamping rod located inside the supporting sleeve and the inner wall of the supporting sleeve, and the number of the clamping rods is three.

[0009] Preferably, the top pressure regulating assembly includes a push rod and a first hydraulic rod, the bottom of the push rod is transmission-connected to the output end of the first hydraulic rod, and a support sleeve is installed between the shell surface of the first hydraulic rod and the inner wall of the support sleeve.

[0010] Preferably, the top of the push rod is a spherical structure, and the bottom space of the support sleeve is connected with the space inside the bottom of the bottom mold base, which facilitates the connection between the first hydraulic rod and the external hydraulic output device.

[0011] Preferably, guide rods are fixedly connected to both sides of the top of the trimming mold, and one end of the two guide rods are inserted through the top structure of the mold frame in a clip-on manner, and both sides of the bottom of the trimming mold are arranged as cutting arc plates aligned with the casting residual edge, thereby enabling precise trimming.

[0012] Preferably, the bottom of the trimming die is configured as a conical cutting structure, and the trimming die is aligned with the center of the columnar casting, thereby enabling full trimming.

[0013] The top of the support sleeve is provided with a sliding groove with the same number as the clamping rod, and a T-block is clamped inside the sliding groove. The bottom of the T-block is fixedly connected to the surface of one end of the corresponding T-clamp rod. The T-clamp rod moves synchronously by clamping the T-block and the sliding groove, thereby improving the stability of the reciprocating movement of the T-clamp rod.

[0014] The inner side of the top of the T-block is clamped with a slide rail, and the bottom of the slide rail is fixedly connected to the top surface of the support sleeve. The slide rail is used to improve the sliding stability of the T-block in the slide groove, thereby further improving the guiding constraint strength of the T-block on the clamping rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model forms a multifunctional clamping module by means of a supporting sleeve, a plurality of clamping rods, a top pressure adjustment assembly and a bottom die seat. During the trimming and installation process of the columnar casting, the columnar casting can be clamped and limited while being aligned with the center of the support sleeve. Then, during the operation of the trimming module composed of a trimming die and a second hydraulic rod, the trimming error can be fully reduced to ensure the smoothness of the cut surface.

[0017] 2. The trimming die provided in the utility model has two different forms, the bottom of which is set as a cutting arc plate or a conical cutting structure, so that when the inner wall of the columnar casting is standard and smooth, precise trimming can be performed, and when the inner wall of the columnar casting is standard but rough, comprehensive trimming can be performed to adapt to different processing conditions in reality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view schematic diagram of the first embodiment of the structure of the utility model;

[0019] Figure 2 It is a front view schematic diagram of the second structural embodiment of the utility model;

[0020] Figure 3 It is an enlarged schematic diagram of the bottom mold base of the utility model structure;

[0021] Figure 4 It is a cross-sectional schematic diagram of the structural support sleeve of the utility model;

[0022] Figure 5 It is a cross-sectional schematic diagram of the structural clamping rod of the utility model;

[0023] Figure 6 It is an enlarged schematic diagram of the T-block structure of the utility model.

[0024] In the figure: 1. mold frame; 2. columnar casting; 3. bottom mold base; 4. support sleeve; 5. clamping rod; 51. T-type clamping rod; 52. spring; 6. top pressure adjustment assembly; 61. ejector rod; 62. first hydraulic rod; 7. trimming mold; 8. second hydraulic rod; 9. guide rod; 10. slide groove; 11. T-block; 12. slide rail. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1

[0027] See also Figure 1 , 3 -6, a columnar casting trimming mold with a smooth cross section, comprising a mold frame 1, a columnar casting 2 and a bottom mold base 3 installed on the inner side of the bottom of the mold frame 1, casting margins are present on both sides of the columnar casting 2, the columnar casting 2 is placed on the top surface of the bottom mold base 3, and a support sleeve 4 is installed on the top of the bottom mold base 3 and is sleeved inside the columnar casting 2;

[0028] A plurality of clamping rods 5 and a top pressure adjusting assembly 6 are mounted inside the support sleeve 4. One end of each of the clamping rods 5 is transmission-connected to the output structure of the top pressure adjusting assembly 6, and the other end of each of the clamping rods 5 can clamp and limit the columnar casting 2 under the top pressure transmission of the top pressure adjusting assembly 6.

[0029] The plurality of clamping rods 5 are composed of a T-shaped clamping rod 51 and a spring 52. The middle portion of the T-shaped clamping rod 51 is clamped inside the side wall of the support sleeve 4. The two ends of the spring 52 are respectively fixedly connected to the end surface of the T-shaped clamping rod 51 located inside the support sleeve 4 and the inner wall of the support sleeve 4. The number of clamping rods 5 is three. The top pressure adjustment component 6 includes a push rod 61 and a first hydraulic rod 62. The bottom of the push rod 61 is transmission-connected to the output end of the first hydraulic rod 62. A support sleeve plate is installed between the shell surface of the first hydraulic rod 62 and the inner wall of the support sleeve 4. The top of the push rod 61 is a spherical structure. The bottom space of the support sleeve 4 is connected to the space inside the bottom of the bottom mold base 3, which facilitates the connection of the first hydraulic rod 62 with external hydraulic output equipment.

[0030] A trimming die 7 and a guide rod 9 are aligned on the top of the columnar casting 2. The guide rod 9 is sleeved on the inner side of the top of the mold frame 1. The output end of the guide rod 9 is transmission-connected to the top of the trimming die 7. Both sides of the top of the trimming die 7 are fixedly connected with the guide rods 9, and one end of the two guide rods 9 penetrates the top structure of the mold frame 1 in a clamping manner. Both sides of the bottom of the trimming die 7 are arranged with cutting arc plates aligned with the casting margin, so that precise trimming can be performed.

[0031] The top of the supporting sleeve 4 is provided with a number of slide grooves 10 equal to the number of the clamping rods 5, and a T-block 11 is clamped inside the slide groove 10, and the bottom of the T-block 11 is fixedly connected to the surface of one end of the corresponding T-clamp rod 51. The T-clamp rod 51 moves synchronously by the clamping movement of the T-block 11 and the slide groove 10, thereby improving the stability of the reciprocating movement of the T-clamp rod 51. A slide rail 12 is clamped on the inner side of the top of the T-block 11, and the bottom of the slide rail 12 is fixedly connected to the top surface of the supporting sleeve 4. The slide rail 12 is used to improve the stability of the T-block 11 sliding in the slide groove 10, thereby further improving the guiding and restraining strength of the T-block 11 on the clamping rod 5.

[0032] Working principle: When in use, the columnar casting 2 is sleeved on the outside of the support sleeve 4, and the first hydraulic rod 62 is started. The output end of the first hydraulic rod 62 drives the push rod 61 to automatically move upward until the push rod 61 presses the three T-shaped clamping rods 51 synchronously, so that one end of the three T-shaped clamping rods 51 is connected to the inner wall of the columnar casting 2 under the support of the support sleeve 4 and presses, so as to achieve the automatic clamping and limiting effect of the columnar casting 2;

[0033] Next, start the second hydraulic rod 8, and the output end of the second hydraulic rod 8 drives the trimming die 7 to move downward, and use the cutting arc plates set on both sides of the bottom of the trimming die 7 to accurately trim the remaining edges on the surface of the columnar casting 2. After completion, close the second hydraulic rod 8, reset the trimming die 7, close the first hydraulic rod 62, and the multiple T-clamp rods 51 are automatically reset under the drive of their respective corresponding springs 52. Take out the columnar casting 2 and re-install it on the unprocessed columnar casting 2. Repeat the above steps.

[0034] Embodiment 2

[0035] See also Figure 2-6 A columnar casting trimming mold with a smooth cross section comprises a mold frame 1, a columnar casting 2 and a bottom mold base 3 installed on the inner side of the bottom of the mold frame 1, and casting margins exist on both sides of the columnar casting 2. The columnar casting 2 is placed on the top surface of the bottom mold base 3, and a supporting sleeve 4 is installed on the top of the bottom mold base 3 and is sleeved inside the columnar casting 2;

[0036] A plurality of clamping rods 5 and a top pressure adjusting assembly 6 are mounted inside the support sleeve 4. One end of each of the clamping rods 5 is transmission-connected to the output structure of the top pressure adjusting assembly 6, and the other end of each of the clamping rods 5 can clamp and limit the columnar casting 2 under the top pressure transmission of the top pressure adjusting assembly 6.

[0037] The plurality of clamping rods 5 are composed of a T-shaped clamping rod 51 and a spring 52. The middle portion of the T-shaped clamping rod 51 is clamped inside the side wall of the support sleeve 4. The two ends of the spring 52 are respectively fixedly connected to the end surface of the T-shaped clamping rod 51 located inside the support sleeve 4 and the inner wall of the support sleeve 4. The number of clamping rods 5 is three. The top pressure adjustment component 6 includes a push rod 61 and a first hydraulic rod 62. The bottom of the push rod 61 is transmission-connected to the output end of the first hydraulic rod 62. A support sleeve plate is installed between the shell surface of the first hydraulic rod 62 and the inner wall of the support sleeve 4. The top of the push rod 61 is a spherical structure. The bottom space of the support sleeve 4 is connected to the space inside the bottom of the bottom mold base 3, which facilitates the connection of the first hydraulic rod 62 with external hydraulic output equipment.

[0038] A trimming die 7 and a guide rod 9 are aligned at the top of the columnar casting 2. The guide rod 9 is sleeved on the inner side of the top of the mold frame 1. The output end of the guide rod 9 is transmission-connected to the top of the trimming die 7. Both sides of the top of the trimming die 7 are fixedly connected with the guide rods 9, and one end of the two guide rods 9 penetrates the top structure of the mold frame 1 in a clamping manner. The bottom of the trimming die 7 is set as a conical cutting structure, and the trimming die 7 is aligned with the center of the circle of the columnar casting 2, so that comprehensive trimming can be performed;

[0039] The top of the supporting sleeve 4 is provided with a number of slide grooves 10 equal to the number of the clamping rods 5, and a T-block 11 is clamped inside the slide groove 10, and the bottom of the T-block 11 is fixedly connected to the surface of one end of the corresponding T-clamp rod 51. The T-clamp rod 51 moves synchronously by the clamping movement of the T-block 11 and the slide groove 10, thereby improving the stability of the reciprocating movement of the T-clamp rod 51. A slide rail 12 is clamped on the inner side of the top of the T-block 11, and the bottom of the slide rail 12 is fixedly connected to the top surface of the supporting sleeve 4. The slide rail 12 is used to improve the stability of the T-block 11 sliding in the slide groove 10, thereby further improving the guiding and restraining strength of the T-block 11 on the clamping rod 5.

[0040] Working principle: When in use, the columnar casting 2 is sleeved on the outside of the support sleeve 4, and the first hydraulic rod 62 is started. The output end of the first hydraulic rod 62 drives the push rod 61 to automatically move upward until the push rod 61 presses the three T-shaped clamping rods 51 synchronously, so that one end of the three T-shaped clamping rods 51 is connected to the inner wall of the columnar casting 2 under the support of the support sleeve 4 and presses, so as to achieve the automatic clamping and limiting effect of the columnar casting 2;

[0041] Next, start the second hydraulic rod 8, and the output end of the second hydraulic rod 8 drives the trimming die 7 to move downward, and utilizes the conical cutting structure at the bottom of the trimming die 7 to perform comprehensive and accurate trimming of the remaining edges on the surface of the columnar casting 2. In this way, even if the alignment error between the columnar casting 2 and the trimming die 7 is large, a smooth trimming effect can be achieved, and the alignment error value between the columnar casting 2 and the trimming die 7 does not exceed the reserved value for rough machining of the columnar casting 2. After completion, close the second hydraulic rod 8, reset the trimming die 7, close the first hydraulic rod 62, and multiple T-clamp rods 51 are automatically reset driven by their corresponding springs 52. Take out the columnar casting 2, re-install it on the unprocessed columnar casting 2, and repeat the above steps.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. At the same time, in the drawings of the present utility model, the fill pattern is only for distinguishing the layers, without any other limitation.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A columnar casting trimming mold with a smooth cross section, comprising a mold frame (1), a columnar casting (2), and a bottom mold base (3) mounted on the inner side of the bottom of the mold frame (1), wherein both side surfaces of the columnar casting (2) have casting margins, and the characteristics are: The columnar casting (2) is placed on the top surface of the bottom mold base (3), and a supporting sleeve (4) is installed on the top of the bottom mold base (3) and is sleeved inside the columnar casting (2); The support sleeve (4) is internally sleeved with a plurality of clamping rods (5) and a top pressure adjustment assembly (6), one end of each of the clamping rods (5) is transmission-connected to an output structure of the top pressure adjustment assembly (6), and the other ends of each of the clamping rods (5) are capable of clamping and limiting the columnar casting (2) under the top pressure transmission of the top pressure adjustment assembly (6); A trimming die (7) and a guide rod (9) are aligned at the top of the columnar casting (2); the guide rod (9) is sleeved on the inner side of the top of the die frame (1); and the output end of the guide rod (9) is transmission-connected to the top of the trimming die (7).

2. A columnar casting trimming die with a smooth cut surface according to claim 1, characterized in that: The plurality of clamping rods (5) are each composed of a T-shaped clamping rod (51) and a spring (52); the middle portion of the T-shaped clamping rod (51) is clamped inside the side wall of the support sleeve (4); the two ends of the spring (52) are respectively fixedly connected to the end surface of the T-shaped clamping rod (51) located inside the support sleeve (4) and the inner wall of the support sleeve (4); and the number of the clamping rods (5) is three.

3. A columnar casting trimming die with a smooth cut surface according to claim 1, characterized in that: The top pressure regulating assembly (6) comprises a top rod (61) and a first hydraulic rod (62); the bottom of the top rod (61) is transmission-connected to the output end of the first hydraulic rod (62); and a support sleeve is installed between the shell surface of the first hydraulic rod (62) and the inner wall of the support sleeve (4).

4. A columnar casting trimming die with a smooth cut surface according to claim 3, characterized in that: The top of the push rod (61) is a spherical structure, and the bottom space of the support sleeve (4) is connected to the space inside the bottom of the bottom mold base (3).

5. The columnar casting trimming mold with a smooth cut surface according to claim 1, characterized in that: Both sides of the top of the trimming mold (7) are fixedly connected with guide rods (9), and one end of the two guide rods (9) penetrates the top structure of the mold frame (1) in a clamping manner, and both sides of the bottom of the trimming mold (7) are arranged as cutting arc plates aligned with the casting residual edge.

6. A columnar casting trimming die with a smooth cut surface according to claim 1, characterized in that: The bottom of the trimming die (7) is arranged as a conical cutting structure, and the trimming die (7) is co-centeredly aligned with the columnar casting (2).

7. A columnar casting trimming die with a smooth cut surface according to claim 2, characterized in that: The top of the support sleeve (4) is provided with a sliding groove (10) having the same number as the clamping rod (5), a T-shaped block (11) is clamped inside the sliding groove (10), and the bottom of the T-shaped block (11) is fixedly connected to the surface of one end of the corresponding T-shaped clamping rod (51).

8. A columnar casting trimming die with a smooth cut surface according to claim 7, characterized in that: A slide rail (12) is clamped on the inner side of the top of the T-shaped block (11), and the bottom of the slide rail (12) is fixedly connected to the top surface of the support sleeve (4).

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