Positioning clamp for thin-shell part machining
By designing positioning fixtures for thin shell parts, using small holes, channels, positioning grooves and threaded tightening bolts to avoid thin wall structure extrusion, solving the problems of deformation and dimensional deviation in thin shell parts processing, and improving the Processing efficiency and positioning accuracy.
Patent Information
- Application Number
- CN202421067365.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-16
AI Technical Summary
During the processing of thin shell parts, excessive clamping force of existing thin-wall structural fixtures can easily lead to deformation of parts, resulting in reduced positioning accuracy and dimensional deviation, and reducing machining efficiency.
A positioning fixture for thin shell parts is designed. By setting small holes, channels, positioning grooves and positioning holes on the base and positioning seat, combining threaded tightening bolts and chute slider structures, avoiding the thin-wall structure. Extrusion to achieve stable positioning and machining of parts.
Effectively prevent thin-wall structure from deforming, avoid dimensional deviation, improve processing efficiency, and ensure positioning accuracy and operation convenience.
Smart Images
Figure CN222243695U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of fixtures, and in particular relates to a positioning fixture for processing thin shell parts. Background Art
[0002] For thin-shell parts with a thin-walled structure on one side and a square block structure on the other side, a thin-walled fixture is usually used to position and clamp the entire workpiece during processing. However, when the clamping force of the thin-walled fixture is large, the part is easily deformed by force, resulting in a decrease in positioning accuracy, dimensional deviation, inconvenience in tool alignment during operation, and reduced processing efficiency. Utility Model Content
[0003] The embodiment of the present application provides a positioning fixture for processing thin-shell parts. This positioning fixture will not squeeze the thin-walled structure of the thin-shell part, thereby preventing the thin-walled structure from being deformed, preventing dimensional deviation, and improving processing efficiency.
[0004] A positioning fixture for processing thin shell parts, comprising:
[0005] A base, wherein a small hole is provided on the base;
[0006] A positioning seat, wherein the positioning seat is installed on the base, and a channel for passing the cutting wire is provided on the positioning seat, and the channel is aligned with the small hole. A positioning groove and a positioning hole are also provided on the positioning seat, and the positioning groove is opened on the positioning seat, and the positioning hole passes through the positioning seat and is connected with the positioning groove. The positioning groove is used to cooperate with the rear seat of the thin shell part, and the positioning hole is used to embed the square seat on the rear seat of the thin shell part.
[0007] According to other embodiments of the positioning fixture for processing thin-shell parts of the utility model, a first thread hole is vertically arranged in the positioning seat, one end of the first thread hole extends into the positioning hole, and the other end extends to the top of the positioning seat, and a first tightening bolt is threadedly connected in the first thread hole, and the length of the first tightening bolt is longer than the first thread hole.
[0008] According to other embodiments of the positioning fixture for processing thin-shell parts of the utility model, a second thread hole is horizontally arranged in the positioning seat, one end of the second thread hole extends into the positioning hole, and the other end extends to the side of the positioning seat, and a second fixing bolt is threadedly connected in the second thread hole, and the length of the second fixing bolt is longer than the second thread hole.
[0009] According to other embodiments of the positioning fixture for processing thin-shell parts of the utility model, the base includes a bottom plate, a first side plate, a second side plate and a connecting plate, the first side plate and the second side plate are fixed to the bottom plate and arranged at intervals, the connecting plate is connected to the first side plate and the second side plate, and the positioning seat is installed on the connecting plate.
[0010] According to other embodiments of the positioning fixture for thin shell part processing of the present invention, the connecting plate is detachably connected to the first side plate and the second side plate.
[0011] According to other embodiments of the positioning fixture for processing thin-shell parts of the utility model, a first slide groove is provided on the first side plate, and the first slide groove extends along the length direction of the first side plate, a second slide groove is provided on the second side plate, and the second slide groove extends along the length direction of the second side plate, and a first slider and a second slider are provided on the connecting plate, and the first slider is slidably assembled in the first slide groove, and the second slider is slidably assembled in the second slide groove.
[0012] According to other embodiments of the positioning fixture for processing thin shell parts of the utility model, a positioning block is further provided on the base, and a third thread hole is provided on the positioning block. A third fixing bolt is threadedly connected in the third thread hole, and the third fixing bolt is used to abut against the thin shell part.
[0013] The positioning fixture for processing thin-shell parts in the embodiment of the utility model has at least the following beneficial effects: during use, after the rear seat of the thin-shell part is assembled on the positioning groove, the square seat on the rear seat of the thin-shell part will be embedded in the positioning hole, and the positioning of the thin-shell part is achieved through the positioning groove and the positioning hole, and then the cutting line passes through the small hole on the base and the through hole on the rear seat of the thin-shell part and passes through the channel on the positioning seat to process the thin-shell part. This positioning fixture will not squeeze the thin-walled structure of the thin-shell part, thereby preventing the thin-walled structure from being deformed, preventing dimensional deviation, and improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of a positioning fixture for processing thin shell parts provided by an embodiment of the present application;
[0015] Figure 2 yes Figure 1 A structural schematic diagram of another viewing angle of the illustrated embodiment;
[0016] Figure 3 yes Figure 1 A schematic diagram of the structure of the positioning seat in the embodiment shown;
[0017] Figure 4 yes Figure 1A schematic structural diagram of a thin shell part in the illustrated embodiment. DETAILED DESCRIPTION
[0018] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application.
[0019] The following is a further detailed description of the implementation of the present application in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present application but cannot be used to limit the scope of the present application.
[0020] In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0021] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.
[0022] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0023] For thin-shell parts with a thin-walled structure on one side and a square block structure on the other side, a thin-walled fixture is usually used to position and clamp the entire workpiece during processing. However, when the clamping force of the thin-walled fixture is large, the part is easily deformed by force, resulting in a decrease in positioning accuracy, dimensional deviation, inconvenience in tool alignment during operation, and reduced processing efficiency.
[0024] See also Figures 1 to 4 The present application provides a positioning fixture for processing thin-shell parts, including a base 1 and a positioning seat 2. The base 1 is provided with a small hole, and the positioning seat 2 is installed on the base 1. The positioning seat 2 is provided with a channel 2a for the cutting wire to pass through, and the channel 2a is aligned with the small hole. The positioning seat 2 is also provided with a positioning groove 2b and a positioning hole 2c. The positioning groove 2b is opened on the positioning seat 2, and the positioning hole 2c passes through the positioning seat 2 and is connected with the positioning groove 2b. The positioning groove 2b is used to cooperate with the back seat of the thin-shell part 3, and the positioning hole 2c is used to embed the square seat 30a on the back seat of the thin-shell part 3.
[0025] During use, after the rear seat 3a of the thin shell part 3 is assembled to the positioning groove 2b, the square seat 30a on the rear seat 3a of the thin shell part 3 will be embedded in the positioning hole 2c, and the positioning of the thin shell part 3 is achieved through the positioning groove 2b and the positioning hole 2c, and then the cutting line passes through the small hole on the base 1 and the through hole 30b on the rear seat 3a of the thin shell part 3 and passes through the channel 2a on the positioning seat 2 to process the thin shell part 3. This positioning fixture will not squeeze the thin-walled structure of the thin shell part 3, thereby preventing the thin-walled structure from being deformed, preventing dimensional deviation, and improving processing efficiency.
[0026] The overall structure of the positioning seat 2 is a square structure, the positioning groove 2b is a conical groove structure opened on the front side of the positioning seat 2 and recessed inward, and an open channel 2a is opened in the middle of the front side of the positioning seat 2 along the vertical direction. The channel 2a passes through the positioning groove 2b and runs through the upper and lower ends of the positioning seat 2.
[0027] The positioning hole 2c is a square hole structure horizontally opened inside the positioning seat 2. The positioning hole 2c is connected to the positioning groove 2b. The bottom horizontal plane of the positioning hole 2c is the horizontal reference plane, and the vertical plane on the right side of the positioning hole 2c is the vertical reference plane. The square seat 30a on the rear seat 3a of the thin shell part 3 can be tightly assembled into the positioning seat 2.
[0028] In order to further position the thin-shell part 3, in some embodiments, a first thread hole 2d is vertically arranged in the positioning seat 2, one end of the first thread hole 2d extends to the positioning hole 2c, and the other end extends to the top of the positioning seat 2, and a first tightening bolt is threadedly connected in the first thread hole 2d, and the length of the first tightening bolt is longer than the first thread hole 2d.
[0029] After the square seat 30a on the rear seat 3a of the thin shell part 3 is assembled into the positioning hole 2c, the first tightening bolt is rotated so that the first tightening bolt is pressed against the square seat 30a, so that the square seat 30a is locked into the positioning hole 2c.
[0030] In some other embodiments, a second thread hole 2f is horizontally arranged in the positioning seat 2, one end of the second thread hole 2f extends to the positioning hole 2c, and the other end extends to the side of the positioning seat 2, and a second tightening bolt is threadedly connected in the second thread hole 2f, and the length of the second tightening bolt is longer than the second thread hole 2f.
[0031] After the square seat 30a on the rear seat 3a of the thin shell part 3 is assembled into the positioning hole 2c, the second tightening bolt is rotated so that the second tightening bolt is pressed against the square seat 30a, so that the square seat 30a is locked into the positioning hole 2c.
[0032] In some other embodiments, a positioning block 4 is further provided on the base 1 , and a third thread hole 4 a is provided on the positioning block 4 . A third fixing bolt is threadedly connected in the third thread hole 4 a , and the third fixing bolt is used to abut against the thin shell part 3 .
[0033] Specifically, the positioning block 4 is fixed on the base 1 and located in front of the positioning seat 2. After the thin shell part 3 is installed on the positioning seat 2, the third fastening bolt is rotated so that the third fastening bolt is against the thin wall surface of the thin shell part 3, thereby further positioning the thin shell part 3.
[0034] In some embodiments, the base 1 includes a bottom plate 1a, a first side plate 1b, a second side plate 1c and a connecting plate 1d. The first side plate 1b and the second side plate 1c are fixed on the bottom plate 1a and arranged at intervals. The connecting plate 1d is connected to the first side plate 1b and the second side plate 1c. The positioning seat 2 is installed on the connecting plate 1d.
[0035] Specifically, the first side plate 1b and the second side plate 1c are both vertically fixed on the bottom plate 1a, the first side plate 1b and the second side plate 1c are parallel, and the connecting plate 1d is fixed on the top of the first side plate 1b and the second side plate 1c.
[0036] In order to facilitate replacement of the connecting plate 1d, in some embodiments, the connecting plate 1d is threadedly connected to the first side plate 1b and the second side plate 1c.
[0037] Specifically, the connecting plate 1d is fixed to the top of the first side plate 1b and the second side plate 1c by screws.
[0038] In some embodiments, a first slide groove 10b is provided on the first side plate 1b, and the first slide groove 10b extends along the length direction of the first side plate 1b. A second slide groove 10c is provided on the second side plate 1c, and the second slide groove 10c extends along the length direction of the second side plate 1c. A first slider and a second slider are provided on the connecting plate 1d, and the first slider is slidably assembled in the first slide groove 10b, and the second slider is slidably assembled in the second slide groove 10c.
[0039] Specifically, the first slide groove 10b is opened at the top of the first side plate 1b, the second slide groove 10c is opened at the top of the second side plate 1c, and the first slider and the second slider are respectively installed on both sides of the lower side of the connecting plate 1d. The first slider is slidably assembled in the first slide groove 10b, and the second slider is slidably assembled in the second slide groove 10c, so that the connecting plate 1d can slide on the first side plate 1b and the second side plate 1c, which is convenient for subsequent tool alignment.
[0040] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
Claims
1. A positioning fixture for processing thin shell parts, characterized in that: include: A base, wherein a small hole is provided on the base; A positioning seat, wherein the positioning seat is installed on the base, and a channel for passing the cutting wire is provided on the positioning seat, and the channel is aligned with the small hole. A positioning groove and a positioning hole are also provided on the positioning seat, and the positioning groove is opened on the positioning seat, and the positioning hole passes through the positioning seat and is connected with the positioning groove. The positioning groove is used to cooperate with the rear seat of the thin shell part, and the positioning hole is used to embed the square seat on the rear seat of the thin shell part.
2. The positioning fixture for thin shell parts processing according to claim 1 is characterized in that: A first thread hole is vertically arranged in the positioning seat, one end of the first thread hole extends into the positioning hole, and the other end extends to the top of the positioning seat, a first fastening bolt is threadedly connected in the first thread hole, and the length of the first fastening bolt is longer than the first thread hole.
3. The positioning fixture for thin shell parts processing according to claim 2 is characterized in that: A second thread hole is horizontally arranged in the positioning seat, one end of the second thread hole extends into the positioning hole, and the other end extends to the side of the positioning seat, and a second fixing bolt is threadedly connected in the second thread hole, and the length of the second fixing bolt is longer than the second thread hole.
4. The positioning fixture for thin shell parts processing according to claim 1 is characterized in that: The base includes a bottom plate, a first side plate, a second side plate and a connecting plate. The first side plate and the second side plate are fixed to the bottom plate and arranged at intervals. The connecting plate is connected to the first side plate and the second side plate. The positioning seat is installed on the connecting plate.
5. The positioning fixture for processing thin shell parts according to claim 4 is characterized in that: The connecting plate is detachably connected to the first side plate and the second side plate.
6. The positioning fixture for thin shell parts processing according to claim 4 is characterized in that: A first slide groove is provided on the first side plate, and the first slide groove extends along the length direction of the first side plate. A second slide groove is provided on the second side plate, and the second slide groove extends along the length direction of the second side plate. A first slider and a second slider are provided on the connecting plate, and the first slider is slidably assembled in the first slide groove, and the second slider is slidably assembled in the second slide groove.
7. The positioning fixture for thin shell parts processing according to claim 1 is characterized in that: The base is also provided with a positioning block, the positioning block is provided with a third thread hole, the third thread hole is threadedly connected with a third fixing bolt, and the third fixing bolt is used to abut against the thin shell part.