CN216371159U - Machining jig for machining side hole of lower fork combined connecting plate of material flow - Google Patents
Machining jig for machining side hole of lower fork combined connecting plate of material flow Download PDFInfo
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- CN216371159U CN216371159U CN202122816611.1U CN202122816611U CN216371159U CN 216371159 U CN216371159 U CN 216371159U CN 202122816611 U CN202122816611 U CN 202122816611U CN 216371159 U CN216371159 U CN 216371159U
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Abstract
The utility model discloses a machining jig for machining side holes of a combined connecting plate of a lower fork of a material flow, which comprises a fixed base, wherein a rotary clamping mechanism is arranged on the fixed base and comprises a clamping body and a rotating shaft part which is arranged on the clamping body and penetrates through the fixed base in the horizontal direction, a locking groove cavity which is arranged in the vertical direction and a locking part for locking the connecting plate in the locking groove cavity are arranged on the clamping body, a machining reference zero point hole is arranged on the fixed base, and the direction of the machining reference zero point hole is matched with the radial direction of the rotating shaft part. The utility model adopts the design of matching the rotary switching station with the zero forward and reverse reference, meets the relative position precision after the station is switched, ensures the axial alignment precision of the shaft holes of the two end surfaces, reduces the production cost and improves the product percent of pass. The relative position precision of the rotary switching station is high, the operation is flexible and smooth, the model changing difficulty and the model changing tolerance are reduced, and the product quality is controllable and stable.
Description
Technical Field
The utility model relates to a machining jig for machining a side hole of a combined connecting plate of a lower fork of a material flow, and belongs to the technical field of machining auxiliary jigs.
Background
Machining is short for machining and refers to a machining process for removing materials through mechanical precision machining. During machining operation, the workpiece needs to be fixed by the jig, so that a large number of auxiliary jigs can be involved, and the auxiliary jigs need to be designed differently according to product structures, so that the stability and the limitation of product machining are met, and the forming precision is improved. The design of the jig has important significance on the machining stability, the forming precision and the machining efficiency of the product.
At present, a combined connecting plate for a lower fork of an article exists, the combined connecting plate is used for connecting and assembling the lower fork of the article, the lower fork of the article is shown in fig. 4, a connecting plate shown in fig. 5 exists between two fork plates, a group of opposite side walls of the connecting plate are respectively provided with a plurality of pin holes which are aligned in the axial direction, and the pin holes are required to have higher axial alignment precision.
Traditional machining operation adopts twice forming process, at first carries out the type changing operation after to one side shaft hole way shaping again, to the shaping of other side shaft hole way machine-shaping, owing to there is the type changing, has caused secondary clamping position degree deviation, influences the shaft hole precision of counterpointing, to this condition, exists among the prior art and adopts counterpoint machine-processing equipment to carry out the shaping to the hole, is very expensive to the hole former price, causes the higher phenomenon of connecting plate machine-processing cost undoubtedly, is unfavorable for market competition.
Disclosure of Invention
The utility model aims to solve the defects of the prior art, and provides a machining jig for machining a side hole of a combined connecting plate of a lower fork of a material flow aiming at the problems that the traditional secondary forming process is low in product yield, high in cost of machining equipment of an alignment forming machine and not beneficial to market competition.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a machining jig for machining side holes of a lower fork combined connecting plate comprises a fixed base fixed on machining equipment, wherein a rotary clamping mechanism with 180-degree rotary switching displacement is arranged on the fixed base and comprises a clamping body and a rotating shaft part which is arranged on the clamping body and penetrates through the fixed base in the horizontal direction, a locking groove cavity which is vertically arranged and used for carrying the connecting plate and a locking part used for locking the connecting plate in the locking groove cavity are arranged on the clamping body,
the fixed base is provided with a machining reference zero point hole used for a machining device to perform opposite machining stroke reference, and the direction of the machining reference zero point hole is matched with the radial direction of the rotating shaft part.
Preferably, a circumferential switching position limiting structure is arranged between the clamping main body and the fixed base, and a linear displacement adjusting part for adjusting the relative linear displacement of the clamping main body and the fixed base is arranged on the rotating shaft part.
Preferably, the circumferential switch position limiting structure comprises a strip groove arranged on the fixed base and used for limiting the clamping main body.
Preferably, the linear displacement adjusting part comprises an adjusting bolt arranged at the free end of the rotating shaft part, and a limit washer is arranged between the bolt head of the adjusting bolt and the fixed base.
Preferably, the clamping main body comprises a base plate and a gland plate arranged on the base plate, the locking slot cavity is formed between the base plate and the gland plate, and the locking part is arranged on the gland plate.
Preferably, the locking part comprises a screwing lock bolt arranged on the gland plate, and the screwing lock bolt is provided with a locking end which penetrates through the gland plate and is communicated with the locking groove cavity.
Preferably, the locking end comprises an annular pressure head, and the annular pressure head is in transmission connection with the screwing lock bolt through a thrust ball bearing.
Preferably, the screwing lock bolt is provided with a pin end positioned in the annular pressure head, and a plurality of radial movable ribs for axially and relatively limiting are arranged between the pin end and the annular pressure head.
Preferably, the base plate is detachably coupled to the gland plate.
The utility model has the following beneficial effects:
1. the rotary switching station and the zero forward and reverse reference are matched, so that the relative position precision after the station is switched is met, the axial alignment precision of the shaft hole channels of the two end surfaces is ensured, the production cost is reduced, and the product percent of pass is improved.
2. The relative position precision of the rotary switching station is high, the operation is flexible and smooth, the model changing difficulty and the model changing tolerance are reduced, and the product quality is controllable and stable.
3. Can realize the stable centre gripping lock solid to the connecting plate, can not produce the surperficial crimping damage to it simultaneously, satisfy batchization machine tooling operation demand, and possess longer effective life.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a machining jig for machining a side hole of a combined connecting plate of a material flow lower fork.
Fig. 2 is a schematic cross-sectional structural view of the machining jig for machining the side hole of the combined connecting plate of the lower fork of the article.
Fig. 3 is a schematic view of a forming structure of the machining jig for machining the side hole of the combined connecting plate of the material flow lower fork.
Fig. 4 is a schematic structural view of a material flow down fork.
Fig. 5 is a schematic sectional structure view of the lower stream fork.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the relevant portions of the related inventions are shown in the drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The utility model provides a machining jig for machining a side hole of a combined connecting plate of a lower fork of a material flow, which comprises a fixed base 1 fixed on machining equipment, wherein a rotary clamping mechanism 2 with 180-degree rotary switching displacement is arranged on the fixed base 1, the rotary clamping mechanism 2 comprises a clamping body 3 and a rotating shaft part 4 which is arranged on the clamping body 3 and penetrates through the fixed base horizontally, and a locking groove cavity 5 which is arranged vertically and used for carrying the connecting plate and a locking part 6 used for locking the connecting plate 10 in the locking groove cavity are arranged on the clamping body 3.
The fixed base 1 is provided with a machining reference zero point hole 7 used for a machining device to perform opposite machining stroke reference, and the direction of the machining reference zero point hole is matched with the radial direction of the rotating shaft part.
The specific implementation process and principle description are as follows:
firstly, a reverse machining stroke of machining equipment is explained, generally, the machining equipment has a programming control according to a reference point, the programming control is the machining stroke, namely, a point location is referred to switch forward displacement or reverse displacement, namely, the reverse machining stroke, and then, by way of detailed example, in the process of machining a pore channel, a reference point generally exists, namely, a machining reference zero point hole 7 in the scheme, during operation control, one direction is defined as a forward direction, and the other direction is a reverse direction, in the programming control, the forward direction is assumed to be a left-shift 10cm counterpoint, and then the reverse direction is a right-shift 10cm counterpoint, and the reverse machining stroke belongs to the prior art, and is not described herein again.
The shaft hole forming on the connecting plate 10 in the scheme is explained, forward shaft hole processing is carried out according to the zero point hole 7 in reference to machining, and reverse shaft hole processing is carried out after the connecting plate 10 is turned over, so that axial high-precision matching of the formed shaft holes can be realized, the machining cost is reduced, and the product percent of pass is improved.
When specific machining operation is carried out, firstly, a workpiece is connected in a locking groove cavity 5 in a penetrating mode, locking is carried out on a current connecting plate 10 through a locking portion 6, then, after relative locking of a fixing base 1 and a clamping body 3, machining and forming are carried out on a pin shaft on a current end face, after the pin shaft on the end face is machined and formed, the fixing base 1 and the clamping body 3 are loosened, locking is carried out on the clamping body 3 again after 180-degree rotation, at the moment, reverse machining and forming are carried out on a pin shaft on the other end face, secondary clamping of the workpiece is not needed, alignment guarantee is achieved by utilizing the switching phase between the fixing base 1 and the clamping body 3, and forward and reverse high-precision control is carried out by utilizing the same machining reference zero point hole 7.
It should be noted that, in general, the direction of the machining reference zero point hole matches with the diameter direction of the rotating shaft portion, so as to meet the requirement of uniform illumination intensity after switching, and at the same time, the axis line of the rotating shaft portion matches with the geometric center of the connecting plate 10, so that in the rotating process, the end face switching position degree matches, and the pin hole forming depth is guaranteed to be matched.
In one embodiment, a circumferential switch position limiting structure is arranged between the clamping main body 3 and the fixed base 1, and a linear displacement adjusting part for adjusting the relative linear displacement of the clamping main body and the fixed base is arranged on the rotating shaft part.
Specifically, the circumferential switching position limiting structure comprises a strip groove 8 which is arranged on the fixed base and used for limiting the clamping main body. The linear displacement adjusting part 40 includes an adjusting bolt provided at a free end of the rotation shaft part, and a limit washer is provided between a bolt head of the adjusting bolt and the fixed base.
Namely, the 180-degree switching position limitation of the clamping main body 3 can be realized through the strip groove 8, and the linear displacement adjusting part 40 can meet the locking requirement of the rotary switching position, so that the switching position is ensured to be reliable and stable.
In one embodiment, the clamp body 3 includes a base plate 31 and a cover plate 32 disposed on the base plate, a locking cavity is formed between the base plate 31 and the cover plate 32, and the locking portion is disposed on the cover plate.
In addition, the base plate is detachably connected with the press cover plate.
Specifically, the connecting plate 10 has a thickness difference, and the matching requirements of the connecting plates with different thicknesses can be met by replacing different gland plates 32, generally, the locking groove cavity is matched with the specification of the connecting plate, and the groove direction length of the locking groove cavity is matched with the length of the connecting plate, so that the alignment requirements of the geometric centers of the clamping and fixing of the connecting plate are met.
In one embodiment, the locking portion 6 includes a screw bolt 61 disposed on the gland plate and having a locking end 62 extending through the gland plate and communicating with the locking cavity.
Namely, the linear displacement driving of the locking end 62 is realized by screwing the lock bolt 61, so that the clamping and locking requirements of the connecting plate 10 are met, and the carrying stability of the connecting plate is ensured.
In one embodiment, the locking end 62 includes an annular ram 621 that is drivingly connected to the twist lock plunger by a thrust ball bearing 622.
Specifically, the annular pressure head 621 can provide a larger crimping area to meet the requirement of crimping locking stability, and meanwhile, the thrust ball bearing 622 can meet the requirement that the annular pressure head 621 does not generate rotational displacement in the linear displacement driving process, so that the crimping surface is not damaged by rotational friction, and the connecting plate is protected.
In one embodiment, the screw bolt is provided with a pin end located inside the annular ram, and a plurality of radially movable ribs 9 for axially relative spacing are provided between the pin end and the annular ram.
Specifically speaking, through the design of radial movable rib 9, can satisfy annular pressure head 621 crimping terminal surface roughness control demand, ensure that the crimping face is reliable, it has the spacing cooperation of axial simultaneously, so can reduce bearing pressure, extension effective life satisfies the fatigue degree demand of batch operation.
Through the description, the machining jig for machining the side hole of the combined connecting plate of the lower fork of the material flow adopts the design of matching the rotary switching station with the zero point forward and reverse reference, meets the relative position precision after the station is switched, ensures the axial alignment precision of the shaft holes of the two end surfaces, reduces the production cost and improves the product percent of pass. The relative position precision of the rotary switching station is high, the operation is flexible and smooth, the model changing difficulty and the model changing tolerance are reduced, and the product quality is controllable and stable. Can realize the stable centre gripping lock solid to the connecting plate, can not produce the surperficial crimping damage to it simultaneously, satisfy batchization machine tooling operation demand, and possess longer effective life.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.
Claims (9)
1. A machine tooling tool that is used for thing to flow down fork combination connecting plate side opening processing, its characterized in that:
comprises a fixed base used for being fixed on machining equipment, a rotary clamping mechanism with 180-degree rotary switching displacement is arranged on the fixed base, the rotary clamping mechanism comprises a clamping main body and a rotating shaft part which is arranged on the clamping main body and horizontally penetrates through the fixed base, a locking groove cavity which is vertically arranged and used for carrying a connecting plate and a locking part used for locking the connecting plate in the locking groove cavity are arranged on the clamping main body,
the fixed base is provided with a machining reference zero point hole used for a machining device to perform opposite machining stroke reference, and the direction of the machining reference zero point hole is matched with the radial direction of the rotating shaft part.
2. The machining jig for machining the side hole of the combined connecting plate of the lower fork of the material flow according to claim 1, is characterized in that:
the clamping body and the fixed base are provided with a circumferential switching position limiting structure, and the rotating shaft part is provided with a linear displacement adjusting part for adjusting the relative linear displacement of the clamping body and the fixed base.
3. The machining jig for machining the side hole of the combined connecting plate of the lower fork of the material flow according to claim 2, is characterized in that:
the circumferential switching position limiting structure comprises a strip groove which is arranged on the fixed base and used for limiting the clamping main body.
4. The machining jig for machining the side hole of the combined connecting plate of the lower fork of the material flow according to claim 2, is characterized in that:
the linear displacement adjusting part comprises an adjusting bolt arranged at the free end of the rotating shaft part, and a limiting washer is arranged between the bolt head of the adjusting bolt and the fixed base.
5. The machining jig for machining the side hole of the combined connecting plate of the lower fork of the material flow according to claim 1, is characterized in that:
the clamping main body comprises a substrate and a gland plate arranged on the substrate, the locking groove cavity is formed between the substrate and the gland plate, and the locking part is arranged on the gland plate.
6. The machining jig for machining the side hole of the combined connecting plate of the flow-down fork according to claim 5, is characterized in that:
the locking part comprises a screwing lock bolt arranged on the gland plate, and the screwing lock bolt is provided with a locking end which penetrates through the gland plate and is communicated with the locking groove cavity.
7. The machining jig for machining the side hole of the combined connecting plate of the lower fork of the material flow according to claim 6, is characterized in that:
the locking end comprises an annular pressure head, and the annular pressure head is in transmission connection with the screwing lock bolt through a thrust ball bearing.
8. The machining jig for machining the side hole of the combined connecting plate of the lower fork of the material flow according to claim 7, is characterized in that:
the screwing lock bolt is provided with a pin end positioned in the annular pressure head, and a plurality of radial movable ribs for axial relative limiting are arranged between the pin end and the annular pressure head.
9. The machining jig for machining the side hole of the combined connecting plate of the flow-down fork according to claim 5, is characterized in that:
the base plate is detachably connected with the gland plate in a matching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122816611.1U CN216371159U (en) | 2021-11-17 | 2021-11-17 | Machining jig for machining side hole of lower fork combined connecting plate of material flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122816611.1U CN216371159U (en) | 2021-11-17 | 2021-11-17 | Machining jig for machining side hole of lower fork combined connecting plate of material flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216371159U true CN216371159U (en) | 2022-04-26 |
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ID=81252834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122816611.1U Active CN216371159U (en) | 2021-11-17 | 2021-11-17 | Machining jig for machining side hole of lower fork combined connecting plate of material flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216371159U (en) |
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2021
- 2021-11-17 CN CN202122816611.1U patent/CN216371159U/en active Active
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