Tool clamp for tubular part
By designing a tooling fixture that includes a base, a slide, a bidirectional screw, and a four-bar linkage, the problem that existing tooling fixtures cannot fix ring-shaped workpieces with different inner diameters is solved, achieving stable fixation of ring-shaped workpieces and improving machining accuracy and consistency.
Patent Information
- Application Number
- CN202520701317.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-04-15
AI Technical Summary
Existing tooling fixtures for tubular parts can only limit the position of workpieces that match the diameter of the annular workpiece. When the inner diameter of the annular workpiece is larger than the diameter of the fixed column, the workpiece position is prone to shift, affecting the machining accuracy.
A tooling fixture was designed, comprising a base, a slide, a bidirectional screw, a fixing structure, a unidirectional screw, and a four-bar linkage. The movement of the slider and the extrusion plate is controlled by a knob and a rotating handle, which can effectively fix ring-shaped workpieces with different inner diameters and avoid positional displacement.
It achieves stable fixation of ring-shaped workpieces with different inner diameters, avoids positional deviation during processing, and improves processing accuracy and consistency.
Smart Images

Figure CN223749110U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fixed frock technical field, concretely is frock clamp for tubular part. BACKGROUND
[0002] Fixed frock is a special process equipment used in the process of mechanical manufacturing, assembly or detection, mainly used for fixing, positioning or supporting workpieces to ensure the accuracy and efficiency of processing, assembling or measuring. Its core role is to reduce human error and improve production consistency.
[0003] The existing technology is generally placed on the fixed frock (the existing fixed frock is generally composed of a base, two fixed plates and a driving structure) when cutting the surface of the annular workpiece, and the two fixed plates are moved to the same end by starting the driving structure, until the two fixed plates abut the two ends of the annular workpiece. However, only relying on the two fixed plates to clamp the two ends of the annular workpiece, the vibration during cutting may cause the annular workpiece to loosen or shift, affecting the machining accuracy. The existing technology generally sets a fixed column on one side of the fixed plate, and sets the annular workpiece on the outer surface of the fixed column to fix the annular workpiece, so that its position cannot shift. However, during use, only the annular workpiece with a diameter matching the annular workpiece can be limited. When the inner diameter of the annular workpiece is greater than the diameter of the fixed column, the position of the annular workpiece will still shift, and the effect is poor. UTILITY MODEL CONTENTS
[0004] The utility model aims at a frock clamp for tubular part, solves the problem that the existing frock clamp for tubular part can only limit the annular workpiece with a diameter matching the annular workpiece, and when the inner diameter of the annular workpiece is greater than the diameter of the fixed column, the position of the annular workpiece will still shift.
[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:
[0006] The utility model relates to a frock clamp for tubular part, which comprises a base, a sliding groove is formed on the upper surface of the base, a side plate is installed at one end of the base, a bidirectional screw rod is rotationally connected to the inner surface of the sliding groove, two groups of fixed structures are threadedly connected to the outer surface of the bidirectional screw rod, the fixed structure comprises a sliding plate, a connecting plate is arranged on the upper surface of the sliding plate, a placing groove is formed on the upper surface of the connecting plate, a fixed plate is installed in the placing groove, a column body is installed at one end of the fixed plate, and an extrusion plate is arranged on the outer surface of the column body.
[0007] Further, the other end of the fixed plate is provided with a mounting hole, one end of the mounting hole penetrates the column and extends outward, a one-way screw rod is rotationally connected to the inside of the mounting hole, a knob is mounted at one end of the one-way screw rod, and a sliding block is threadedly connected to the outer surface of the one-way screw rod.
[0008] Further, the outer surface of the column is hingedly connected with a first connecting rod, and the outer surface of the sliding block is hingedly connected with a second connecting rod, and the other ends of the first connecting rod and the second connecting rod are both hingedly connected to the outer surface of the extrusion plate.
[0009] Further, the sliding plate is threadedly connected to the outer surface of the bidirectional screw rod, one end of the sliding plate is located in the inside of the sliding groove and moves along the axial direction of the sliding groove, the inner surface of the sliding groove is provided with an auxiliary groove, and the outer surface of the sliding plate is provided with an auxiliary block which is slidingly connected to the inside of the auxiliary groove.
[0010] Further, the upper surface of the sliding plate is provided with a recess, the connecting plate is slidingly connected to the inside of the recess, the outer surface of the sliding plate is mounted with a support frame, the outer surface of the support frame is provided with a through hole, a sliding rod is slidingly connected to the inside of the through hole, a pulling block is mounted at one end of the sliding rod, a fixing piece is mounted at the other end of the sliding rod, the outer surface of the connecting plate is provided with a plurality of fixing holes, one end of the fixing piece penetrates the sliding plate and is mounted in the inside of any one of the fixing holes, a spring is sleeved on the outer surface of the sliding rod, one end of the spring is mounted on the outer surface of the support frame, and the other end of the spring is mounted on the outer surface of the fixing piece.
[0011] Further, one end of the bidirectional screw rod penetrates the side plate and is mounted with a rotating handle.
[0012] The utility model has the following beneficial effects:
[0013] (1) the knob drives the one-way screw rod to rotate synchronously, the one-way screw rod and the sliding block are threadedly engaged, the sliding block moves linearly along the axial direction of the one-way screw rod when the one-way screw rod rotates, the sliding block moves, and the extrusion plate is pushed or pulled through the hinged second connecting rod, at the same time, the first connecting rod is fixed with the column, forms four connecting rod mechanisms, makes the extrusion plate radial displacement, the sliding block moves away from the knob one side, and the extrusion plate is pressed to the inner wall of the annular workpiece, in this process, the annular workpiece of different inner diameters can be effectively fixed, and the position of the annular workpiece is avoided to deviate.
[0014] (2) The utility model discloses a pull block is pulled to the outside, makes the pull block drive the sliding rod to move to the outside, and the sliding rod will drive the fixed part to move to the outside synchronously when moving to the outside, makes the fixed part gradually separate from the fixed hole, in the process, the spring gradually contracts, when the fixed part completely separates the fixed hole, cancel fixed, after that can pull the connecting plate, makes the connecting plate slide in the recess, the height of adjusting connecting plate, when connecting plate moves to the target position, loosen the pull block, and the spring restores elasticity and pushes the fixed part, makes the fixed part insert the corresponding fixed hole, and the locking of connecting plate is completed, and the effect that adjusting connecting plate height and locking connecting plate position can be realized through the above steps.
[0015] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is whole structure schematic diagram of the utility model;
[0017] Figure 2 It is fixed structure schematic diagram of the utility model;
[0018] Figure 3 It is fixed structure explosion drawing of the utility model;
[0019] Figure 4 It is local fixed structure schematic diagram of the utility model;
[0020] Figure 5 It is sliding plate and connecting plate structure section view of the utility model;
[0021] In the drawings, the component list represented by each sign is as follows:
[0022] In the drawings: 1, base;101, sliding groove;2, side plate;3, bidirectional screw;4, fixed structure;401, sliding plate;40101, recess;402, connecting plate;40201, placing groove;40202, fixed hole;403, fixed plate;404, cylinder;405, extrusion plate;406, one-way screw;407, knob;408, sliding block;409, first connecting rod;4010, second connecting rod;4011, auxiliary block;5, support frame;6, sliding rod;7, pull block;8, fixed part;9, spring;10, rotating handle. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0024] Please refer to Figures 1-5 The utility model discloses a tool fixture for tubular piece, including base 1, the upper surface of base 1 is set with slide groove 101, one end of base 1 is installed with side plate 2, the inner surface of slide groove 101 is rotatably connected with two-way screw rod 3, the outer surface of two-way screw rod 3 is threadedly connected with two groups of fixed structure 4, and the fixed structure 4 includes slide plate 401, the upper surface of slide plate 401 is provided with connecting plate 402, the upper surface of connecting plate 402 is set with placing groove 40201, and the inside of placing groove 40201 is installed with fixed plate 403, one end of fixed plate 403 is installed with cylinder 404, and the outer surface of cylinder 404 is provided with extrusion plate 405;
[0025] One end of two-way screw rod 3 penetrates through side plate 2 and is installed with rotating handle 10;
[0026] In use, first, hold the annular workpiece to be cut by hand, place the annular workpiece between the two cylinders 404, then rotate the rotating handle 10, so that the rotating handle 10 drives the two-way screw rod 3 to rotate, in the process of rotating the two-way screw rod 3, the two slide plates 401 will move to the end, the two slide plates 401 move to drive the corresponding connecting plate 402, fixed plate 403 and cylinder 404 to move synchronously, the two cylinders 404 gradually extend to the inside of the annular workpiece, and when the outer surfaces of the two fixed plates 403 abut against the two ends of the annular workpiece, stop rotating the rotating handle 10,
[0027] The other end of fixed plate 403 is set with mounting hole, one end of the mounting hole penetrates through cylinder 404 and extends outward, and the inside of the mounting hole is rotatably connected with one-way screw rod 406, one end of one-way screw rod 406 is installed with knob 407, and the outer surface of one-way screw rod 406 is threadedly connected with sliding block 408;
[0028] The outer surface of cylinder 404 is hinged with first connecting rod 409, and the outer surface of sliding block 408 is hinged with second connecting rod 4010, and the other ends of first connecting rod 409 and second connecting rod 4010 are hinged on the outer surface of extrusion plate 405.
[0029] By rotating the knob 407, the knob 407 drives the one-way screw rod 406 to rotate synchronously, the one-way screw rod 406 is in threaded engagement with the sliding block 408, when the one-way screw rod 406 rotates, the sliding block 408 moves linearly along the axis direction of the one-way screw rod 406, when the sliding block 408 moves, the extrusion plate 405 is pushed or pulled through the hinged second connecting rod 4010, at the same time, the first connecting rod 409 is fixed with the column 404, forming a four-bar linkage mechanism, so that the extrusion plate 405 generates radial displacement, when the sliding block 408 moves away from the knob 407, the extrusion plate 405 is pressed to the inner wall of the annular workpiece, in this process, the annular workpiece with different inner diameters can be effectively fixed, and the position of the annular workpiece is prevented from deviating;
[0030] When the knob 407 is rotated in reverse, the extrusion plate 405 can gradually cancel the extrusion to the inner wall of the annular workpiece;
[0031] The sliding plate 401 is threadedly connected to the outer surface of the bidirectional screw rod 3, one end of the sliding plate 401 is located in the interior of the sliding groove 101 and moves along the axis direction of the sliding groove 101, the inner surface of the sliding groove 101 is provided with an auxiliary groove, and the outer surface of the sliding plate 401 is provided with an auxiliary block 4011 which is slidingly connected in the interior of the auxiliary groove;
[0032] The upper surface of the sliding plate 401 is provided with a groove 40101, the connecting plate 402 is slidingly connected in the interior of the groove 40101, the outer surface of the sliding plate 401 is provided with a support frame 5, the outer surface of the support frame 5 is provided with a through hole, the through hole is slidingly connected with a sliding rod 6 in the interior, one end of the sliding rod 6 is provided with a pulling block 7, the other end of the sliding rod 6 is provided with a fixing piece 8, the outer surface of the connecting plate 402 is provided with a plurality of fixing holes 40202, one end of the fixing piece 8 penetrates through the sliding plate 401 and is fitted and mounted in the interior of any one of the fixing holes 40202, the outer surface of the sliding rod 6 is provided with a spring 9, one end of the spring 9 is mounted on the outer surface of the support frame 5, and the other end of the spring 9 is mounted on the outer surface of the fixing piece 8;
[0033] By pulling the pulling block 7 outward, the pulling block 7 drives the sliding rod 6 to move outward, when the sliding rod 6 moves outward, the fixing piece 8 is driven to move outward synchronously, so that the fixing piece 8 gradually separates from the fixing hole 40202, in this process, the spring 9 gradually contracts, when the fixing piece 8 completely separates from the fixing hole 40202, the connecting plate 402 is unlocked, then the connecting plate 402 can be pulled, so that the connecting plate 402 slides in the groove 40101, the height of the connecting plate 402 is adjusted, when the connecting plate 402 moves to the target position, the pulling block 7 is loosened, the spring 9 restores elasticity and drives the fixing piece 8, so that the fixing piece 8 is inserted into the corresponding fixing hole 40202, the locking of the connecting plate 402 is completed, through the above steps, the height of the connecting plate 402 can be adjusted and the position of the connecting plate 402 can be locked.
[0034] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments described. Obviously, according to the content of the description, many modifications and changes can be made. The description selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.
[0035] In the description of the utility model, it is understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0036] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0037] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0038] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "on", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0039] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.
[0040] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.
Claims
1. A tool clamp for tubulars, comprising a base (1), the upper surface of the base (1) is provided with a sliding groove (101), one end of the base (1) is provided with a side plate (2), the inner surface of the sliding groove (101) is rotatably connected with a bidirectional screw rod (3), characterized in that: The outer surface of the bidirectional screw rod (3) is threadedly connected with two groups of fixing structures (4); The fixing structure (4) comprises a sliding plate (401), the upper surface of the sliding plate (401) is provided with a connecting plate (402), the upper surface of the connecting plate (402) is provided with a placing groove (40201), the inside of the placing groove (40201) is mounted with a fixing plate (403), one end of the fixing plate (403) is mounted with a column body (404), and the outer surface of the column body (404) is provided with an extrusion plate (405).
2. The tooling fixture for tubulars of claim 1, wherein: The other end of the fixing plate (403) is provided with a mounting hole, one end of the mounting hole penetrates through the column body (404) and extends outward, and the inside of the mounting hole is rotatably connected with a unidirectional screw rod (406), one end of the unidirectional screw rod (406) is mounted with a knob (407), and the outer surface of the unidirectional screw rod (406) is threadedly connected with a sliding block (408).
3. The tooling fixture of claim 2, wherein: The outer surface of the column body (404) is hingedly connected with a first connecting rod (409), and the outer surface of the sliding block (408) is hingedly connected with a second connecting rod (4010), and the other ends of the first connecting rod (409) and the second connecting rod (4010) are both hingedly connected to the outer surface of the extrusion plate (405).
4. The tooling clamp for a tubular as defined in claim 1, wherein: The sliding plate (401) is threadedly connected to the outer surface of the bidirectional screw rod (3), one end of the sliding plate (401) is located in the inside of the sliding groove (101) and moves along the axial direction of the sliding groove (101), the inner surface of the sliding groove (101) is provided with an auxiliary groove, and the outer surface of the sliding plate (401) is provided with an auxiliary block (4011) which is slidably connected to the inside of the auxiliary groove.
5. The tooling clamp for a tubular as defined in claim 1, wherein: The upper surface of the sliding plate (401) is provided with a recess (40101), the connecting plate (402) is slidably connected to the inside of the recess (40101), the outer surface of the sliding plate (401) is mounted with a support frame (5), the outer surface of the support frame (5) is provided with a through hole, and the inside of the through hole is slidably connected with a sliding rod (6); One end of the sliding rod (6) is mounted with a pulling block (7), the other end of the sliding rod (6) is mounted with a fixing piece (8), the outer surface of the connecting plate (402) is provided with a plurality of fixing holes (40202), one end of the fixing piece (8) penetrates through the sliding plate (401) and is mounted in the inside of any one of the fixing holes (40202), the outer surface of the sliding rod (6) is sleeved with a spring (9), one end of the spring (9) is mounted on the outer surface of the support frame (5), and the other end of the spring (9) is mounted on the outer surface of the fixing piece (8).
6. The tooling clamp for a tubular as defined in claim 1, wherein: One end of the bidirectional screw rod (3) penetrates through the side plate (2) and is mounted with a rotating handle (10).