CN216229000U - Horizontal processing clamping device of commercial car tail gas treatment jar support - Google Patents
Horizontal processing clamping device of commercial car tail gas treatment jar support Download PDFInfo
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- CN216229000U CN216229000U CN202122886041.3U CN202122886041U CN216229000U CN 216229000 U CN216229000 U CN 216229000U CN 202122886041 U CN202122886041 U CN 202122886041U CN 216229000 U CN216229000 U CN 216229000U
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Abstract
The utility model discloses a horizontal machining clamping device for a commercial vehicle tail gas treatment tank support, which comprises a bottom plate, wherein a plurality of cushion blocks are arranged on the bottom plate, positioning pins are respectively arranged on two sides in the middle of the bottom plate, a central screw rod is arranged in the middle of the bottom plate, a central pressing plate is connected to the central screw rod, side pressing plates are also arranged on two sides of the bottom plate, a supporting seat is arranged on one side of the bottom plate, which is far away from the positioning pins, a diagonal supporting cushion block and a matched diagonal pressing plate are fixed in the middle of the top of the supporting seat, first ejector rods are respectively arranged on the supporting seats on two sides of the diagonal supporting cushion block, first pressing screws are respectively arranged on the supporting seats on the outer sides of the first ejector rods, and the first pressing screws are respectively connected to the upper parts of two sides of the supporting seat through mounting supports; and two groups of second compression screws and second ejector rods which are obliquely arranged in the middle are arranged on the other side of the positioning pin on the bottom plate. The utility model has the advantages of ingenious design, stable structure, convenient clamping, safe and firm use, low manufacturing cost, high consistency of the precision of the processed product, reduction of the rejection rate of the product and reduction of the cost.
Description
Technical Field
The utility model relates to the technical field of automobile part machining, in particular to a horizontal machining clamping device for a commercial vehicle tail gas treatment tank support.
Background
Along with the implementation of the national emission standard, the commercial vehicles are all provided with the tail gas treatment tank, the special fixed support for the tail gas treatment tank is an important part of the national commercial vehicle and is also an iron casting product specially and newly designed and developed for the national commercial vehicle, the manufacturing process of the support product is complex, the biggest problem is that the parts are easy to deform and distort, the machining reference surface is not easy to select, the shape is complex and not easy to clamp, the rejection rate is high, and meanwhile, the requirements of the whole factory on the mechanical performance and the machining precision are extremely high, so that the special fixed support for the tail gas treatment tank is a brand new challenge to the machining process and the tool design of each process.
The special support H (shown in figures 1 and 2) for the tail gas treatment tank has the specific structure that the special support H comprises a mounting base 11The two sides of the mounting base are symmetrically provided with large arc-shaped mounting seats 2 with high end and low end1(for installing one of the tail gas treatment tanks), a large arc surface is arranged on the large arc-shaped mounting seat, and two ends of the large arc-shaped mounting seat are respectively provided with a stirrup connecting part 31(the lower end of the large arc-shaped mounting base extends outwards from the mounting base, and the stirrup connecting part at the lower end is in transitional connection with the extension part), and the bottom surface of the large arc surface is connected with the stirrup connecting part 31The two ends are connected by a lug D in a transition way, and a small arc-shaped mounting seat 4 is obliquely and upwards extended along the high end of the large arc-shaped mounting seat1(for installing another tail gas treatment tank), a small arc surface is arranged on the small arc-shaped mounting seat, and stirrup connecting parts 5 are arranged at two ends of the small arc-shaped mounting seat1The bottom surface of the small arc surface and the stirrup connecting part 51The two small arc-shaped mounting seats are connected through a reinforcing rib plate, and a penetrating weight reduction hole cavity 6 is arranged on the mounting seat between the two large arc-shaped mounting seats1(ii) a Is positioned in two large arcsThe mounting base outside the mounting base is provided with a frame connecting hole, and the special bracket for the tail gas treatment tank is fixed on the frame through a bolt.
Aiming at the special bracket for the tail gas treatment tank with the structure, the design of a machining tool is particularly important, and how to clamp, how to select a clamping supporting surface, how to prevent the part from shaking in machining, how to ensure the consistency of the machining size of the part, how to reduce scrapping and the like all need to be ensured by an advanced tool. The common problems of manufacturers at the present stage are high processing cost, low processing efficiency, poor consistency of processing size and high rejection rate.
Most mills still adopt traditional clamping fixed mode, during the design frock, do not remove the design frock of pertinence to special characteristics such as part clamping yielding and add that the part trembles in man-hour, finally lead to inefficiency, machining dimension unstability, the disability rate is high.
Disclosure of Invention
In order to solve the problems of unstable size, low machining efficiency, low one-time qualification rate and the like caused by trembling of two ends of parts during horizontal machining of a tail gas treatment tank support, the utility model provides the clamping device which is used for horizontally placing the tail gas treatment tank support for machining the six commercial vehicles in China, and the clamping device is simple in operation, stable in structure, safe, reliable, stable in machining quality and low in cost, and mainly aims at machining arc-shaped surfaces of a large arc-shaped installation seat and a small arc-shaped installation seat.
Therefore, the technical scheme of the utility model is that the horizontal machining clamping device for the commercial vehicle tail gas treatment tank support comprises a bottom plate fixed on a workbench through a mounting hole, and is characterized in that: the mounting base of the tail gas treatment tank bracket to be processed is placed on the clamping device downwards,
be equipped with a plurality of cushion that are located the coplanar and are used for supporting tail gas treatment tank support installation base on the bottom plate, with be equipped with the locating pin on the corresponding bottom plate in installation base both sides frame connecting hole position respectively, subtract the central screw rod that is equipped with vertical direction on the corresponding bottom plate in groove with the installation base centre, be connected with central clamp plate and locking nut on the central screw rod, with be equipped with the side guide respectively on the corresponding bottom plate in installation base both sides limit, wherein: the cushion blocks are arranged right below the central pressing plate and the side pressing plates;
a supporting seat is arranged in the vertical direction of one side of the bottom plate far away from the positioning pin, an inclined supporting cushion block and a matched inclined pressing plate which are matched with the reinforcing rib of the tail gas treatment tank support are fixed in the middle of the top of the supporting seat, first ejector rods for supporting lifting lugs at the bottom of the outer end of the small arc surface of the tail gas treatment tank support are respectively arranged in the vertical direction of the supporting seats at the two sides of the inclined supporting cushion block, first compression screw rods for compressing the outer sides of the two small arc surfaces of the tail gas treatment tank support from the two sides are respectively arranged on the supporting seats at the outer sides of the first ejector rods, and the first compression screw rods are respectively connected above the two sides of the supporting seat through mounting supports;
two groups of second compression screw rods clamped from two sides of each large arc surface and second ejector rods inclining from the middle to extend towards the inner end direction of the large arc surface are arranged at the positions, corresponding to the outer ends of the two large arc surfaces of the tail gas treatment tank support, of the other side of the positioning pin on the bottom plate, and the second compression screw rods and the second ejector rods are fixed on the bottom plate through mounting supports respectively.
Preferably, the side pressure plates are respectively connected to the bottom plate through two screws, grooves are formed in the bottom surfaces of the side pressure plates along the length direction, and through waist-shaped holes are formed in the inner sides of the side pressure plates along the length direction, one screw abuts against the groove of the side pressure plate, and the other screw penetrates out of the waist-shaped hole and is fixed through an anti-loosening nut; the inclined pressing plate is connected to the inclined supporting cushion block through two screw rods, one of the screw rods is supported in a groove formed in the bottom surface of the inclined pressing plate, and the other screw rod penetrates through a mounting hole of the inclined pressing plate and is fixed through a nut. The structure is simple and practical, and the operation and the disassembly and the assembly are convenient.
Preferably, an open slot communicated with the hole is formed in one side of the hole, through which the central screw rod passes, of the central pressing plate, and two sides of the bottom surface of the central pressing plate are attached to the surface of the mounting base; when in use, the nut is not needed to be disassembled and the pressing plate is not needed to be disassembled, so that the use efficiency is convenient and improved.
Preferably, the positioning pin comprises a mounting plate, one side of the mounting plate is provided with a pin shaft matched with the frame connecting holes on the two sides of the mounting base, the other side of the mounting plate is concentrically provided with a pin shaft matched with the bottom plate, and the mounting plate is uniformly provided with bolt holes and fixed on the bottom plate through bolts; the purpose of this kind of structure is to guarantee installation service strength.
Preferably, the supporting seat is of a frame structure and is fixed on the bottom plate through bolts; the structure saves materials, is convenient to maintain, cannot form interference and is convenient to operate.
Preferably, the first ejector rod is connected to the upper cross beam of the supporting seat through threads and is fixed through a loosening-preventing nut; the first compression screw, the second compression screw and the second ejector rod are respectively connected to the corresponding mounting supports through threads and fixed through anti-loosening nuts. The connecting structure has low manufacturing cost and low maintenance cost, and can effectively prevent the screw from loosening caused by vibration in the machining process.
Preferably, the first ejector rod, the first compression screw rod, the second compression screw rod and the second ejector rod are all provided with handles, a wrench or other tools are not needed, and the device is convenient and practical, convenient to manually operate and capable of improving efficiency.
Preferably, the bottom plate is made of a steel plate with the thickness of 50mm to ensure the mounting precision and the strength, and the surface hardness of the positioning pin, the central pressing plate, the inclined pressing plate and the side pressing plates is controlled between HRC 48-52 to prevent the abrasion and the deformation of the contact end surface.
Has the advantages that: the device has the advantages of simple structural design, low cost, easy operation in the using process, convenient clamping and disassembly and high production efficiency, and meanwhile, the device has a stable structure, can ensure the consistency of the processing precision of parts, improves the one-time qualification rate of processing and reduces the scrapping of the parts; this clamping device is to horizontal processing part yielding position and add the easy vibrations of part man-hour, causes the unstable problem of machining dimension, at the part yielding and the easy position that shakes of processing of part, has designed a plurality of compression screw rods in the equidirectional not, and a plurality of clamp plates to and parts such as locating pin restrict the part fixedly, add man-hour to reach the part, no longer take place vibrations phenomenon, ensured machining dimension's uniformity, stability. Therefore, the problems of high part rejection rate, high processing cost, low primary qualified rate and the like are solved.
Drawings
Fig. 1 is a structural view of an exhaust gas treatment tank holder according to the present invention.
Fig. 2 is a view of fig. 1 turned 180 degrees.
Fig. 3 is a block diagram of the present invention.
Fig. 4 is a state diagram of the use of the present invention.
FIG. 5 is an installation view of the pressing screw/second carrier rod of the present invention.
Fig. 6 is a structural view of the positioning pin of the present invention.
Fig. 7 is a structural view of the center platen of the present invention.
Shown in the figure: 1. a base plate; 2. cushion blocks; 3. positioning pins; 4. a central screw; 5. a central pressing plate; 6. a locking nut; 7. side pressing plates; 8. a supporting seat; 9. the inclined supporting cushion block; 10. an inclined pressing plate; 11. a first ejector rod; 12. a first compression screw; 13. mounting a support; 14. a second compression screw; 15. a second ejector rod; 16. a screw; 17. a locking nut; 18. a screw; 19. a handle; 20. mounting a support; 21. a locking nut; H. a tail gas treatment tank bracket.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, but the embodiment should not be construed as limiting the present invention.
The utility model is shown in fig. 3 to 7:
a horizontal processing and clamping device for a commercial vehicle tail gas treatment tank bracket comprises a bottom plate 1 fixed on a workbench through a mounting hole, a mounting base of the tail gas treatment tank bracket H to be processed is downwards placed on the clamping device,
be equipped with a plurality of cushion 2 that are used for supporting tail gas treatment tank support mounting base that lie in the coplanar on the bottom plate 1, with be equipped with locating pin 3 on the corresponding bottom plate in mounting base both sides frame connection hole position respectively, subtract the central screw rod 4 that is equipped with vertical direction on the corresponding bottom plate in groove with the mounting base centre, be connected with central clamp plate 5 and locking nut 6 on the central screw rod, with be equipped with side guide plate 7 on the corresponding bottom plate in mounting base both sides limit respectively, wherein: the cushion blocks are arranged right below the central pressing plate and the side pressing plates;
a supporting seat 8 is arranged on one side of the bottom plate far away from the positioning pin in the vertical direction, an inclined supporting cushion block 9 and a matched inclined pressing plate 10 are fixed in the middle of the top of the supporting seat, the position of the inclined supporting cushion block is matched with that of a reinforcing rib of the tail gas treatment tank support, first ejector rods 11 for supporting lifting lugs E at the outer ends of small circular arc surfaces of the tail gas treatment tank support are respectively arranged in the vertical direction of the supporting seats on the two sides of the inclined supporting cushion block, first compression screws 12 for compressing the outer sides of the two small circular arc surfaces of the tail gas treatment tank support from two sides are respectively arranged on the supporting seat on the outer side of each first ejector rod, and the first compression screws are respectively connected above the two sides of the supporting seat through mounting supports 13;
two groups of second compression screws 14 clamped from two sides of each large arc surface and second ejector rods 15 (hooping connecting parts 3 at the outer ends of the large arc-shaped mounting seats of the tail gas treatment tank support) inclined from the middle to extend towards the inner end direction of the large arc surfaces are arranged at the positions, corresponding to the outer ends of the two large arc surfaces of the tail gas treatment tank support, on the other side of the positioning pin on the bottom plate 11Abutting), the second compression screw and the second ejector rod are respectively fixed on the bottom plate through the mounting support 20.
The side compression plates 7 are respectively connected to the bottom plate through two screws 16, grooves are formed in the bottom surfaces of the side compression plates in the length direction, through waist-shaped holes are formed in the inner sides of the side compression plates in the length direction, one screw abuts against the groove of the side compression plate, and the other screw penetrates out of the waist-shaped hole and is fixed through an anti-loosening nut 17; the inclined pressing plate 10 is connected to the inclined supporting cushion block 9 through two screw rods 18, wherein one screw rod is supported in a groove arranged on the bottom surface of the inclined pressing plate, and the other screw rod penetrates through a mounting hole of the inclined pressing plate and is fixed through an anti-loosening nut. The structure is simple and practical, and the operation and the disassembly and the assembly are convenient.
An open slot 51 communicated with the hole is formed in one side of the hole, through which the central screw rod passes, of the central pressing plate 5, and two sides of the bottom surface A of the central pressing plate are attached to the surface of the mounting base; when in use, the nut is not needed to be disassembled and the pressing plate is not needed to be disassembled, so that the use efficiency is convenient and improved.
The positioning pin 3 comprises a mounting plate 31, one side of the mounting plate is provided with a pin shaft 32 matched with the frame connecting holes on the two sides of the mounting base, the other side of the mounting plate is concentrically provided with a pin shaft 33 matched with the bottom plate, and the mounting plate is uniformly provided with bolt holes 34 and fixed on the bottom plate through bolts; the structure aims to ensure the installation and use strength of the positioning pin.
The supporting seat 8 is of a frame structure and is fixed on the bottom plate through bolts; the structure saves materials, is convenient to maintain, cannot form interference and is convenient to operate.
The first ejector rod 11 is connected to the upper cross beam of the supporting seat through threads and fixed through an anti-loosening nut; the first compression screw 12, the second compression screw 14 and the second ejector rod 15 are respectively connected to corresponding mounting supports through threads and fixed through anti-loosening nuts 21. The connecting structure has low manufacturing cost and low maintenance cost, and can effectively prevent the screw from loosening caused by vibration in the machining process.
All be equipped with handle 19 on first ejector pin, first compression screw, second compression screw and the second ejector pin, need not be with the help of spanner or other instrument, convenient and practical, the manual operation of being convenient for, raise the efficiency.
The bottom plate is made of a steel plate with the thickness of 50mm to ensure the installation precision and the strength, and the surface hardness of the positioning pin, the central pressing plate, the inclined pressing plate and the side pressing plates is controlled between HRC 48-52 to prevent the contact end surfaces from being abraded and deformed.
The working principle of the utility model is as follows:
the method comprises the steps of firstly positioning a part by utilizing frame connecting holes on two sides of an installation base through a positioning pin, then locking a central screw rod with a central pressing plate and an anti-loosening nut in the vertical direction, then locking the left side and the right side of the part installation base and the top end of a small arc surface through a side pressing plate and an inclined pressing plate respectively, and finally butting a first compression screw rod, a second compression screw rod, a first ejector rod and a second ejector rod with corresponding parts of the part, so that the part is ensured not to vibrate during machining, the consistency of machining size is ensured, and the problems of low machining one-time qualification rate, high rejection rate and the like are thoroughly solved.
Other parts of the utility model not described in detail are prior art and are not described in detail herein.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a horizontal processing clamping device of commercial car tail gas treatment jar support, includes the bottom plate of fixing on the workstation through the mounting hole, its characterized in that: the mounting base of the tail gas treatment tank bracket to be processed is placed on the clamping device downwards,
be equipped with a plurality of cushion that are located the coplanar and are used for supporting tail gas treatment tank support installation base on the bottom plate, with be equipped with the locating pin on the corresponding bottom plate in installation base both sides frame connecting hole position respectively, subtract the central screw rod that is equipped with vertical direction on the corresponding bottom plate in groove with the installation base centre, be connected with central clamp plate and locking nut on the central screw rod, with be equipped with the side guide respectively on the corresponding bottom plate in installation base both sides limit, wherein: the cushion blocks are arranged right below the central pressing plate and the side pressing plates;
a supporting seat is arranged in the vertical direction of one side of the bottom plate far away from the positioning pin, an inclined supporting cushion block and a matched inclined pressing plate which are matched with the reinforcing rib of the tail gas treatment tank support are fixed in the middle of the top of the supporting seat, first ejector rods for supporting lifting lugs at the bottom of the outer end of the small arc surface of the tail gas treatment tank support are respectively arranged in the vertical direction of the supporting seats at the two sides of the inclined supporting cushion block, first compression screw rods for compressing the outer sides of the two small arc surfaces of the tail gas treatment tank support from the two sides are respectively arranged on the supporting seats at the outer sides of the first ejector rods, and the first compression screw rods are respectively connected above the two sides of the supporting seat through mounting supports;
two groups of second compression screw rods clamped from two sides of each large arc surface and second ejector rods inclining from the middle to extend towards the inner end direction of the large arc surface are arranged at the positions, corresponding to the outer ends of the two large arc surfaces of the tail gas treatment tank support, of the other side of the positioning pin on the bottom plate, and the second compression screw rods and the second ejector rods are fixed on the bottom plate through mounting supports respectively.
2. The horizontal machining clamping device for the commercial vehicle tail gas treatment tank bracket as recited in claim 1, wherein: the side pressure plates are respectively connected to the bottom plate through two screws, grooves are formed in the bottom surfaces of the side pressure plates along the length direction, and through waist-shaped holes are formed in the inner sides of the side pressure plates along the length direction; the inclined pressing plate is connected to the inclined supporting cushion block through two screw rods, one of the screw rods is supported in a groove formed in the bottom surface of the inclined pressing plate, and the other screw rod penetrates through a mounting hole of the inclined pressing plate and is fixed through a nut.
3. The horizontal machining clamping device for the commercial vehicle exhaust treatment tank support according to claim 1 or 2, is characterized in that: and an open slot communicated with the hole is formed in one side of the hole, through which the central screw rod passes, of the central pressing plate, and two sides of the bottom surface of the central pressing plate are attached to the surface of the mounting base.
4. The horizontal machining clamping device for the commercial vehicle exhaust treatment tank support according to claim 3, is characterized in that: the locating pin comprises a mounting plate, a pin shaft matched with the frame connecting holes in the two sides of the mounting base is arranged on one side of the mounting plate, a pin shaft matched with the base plate is concentrically arranged on the other side of the mounting plate, bolt holes are evenly distributed in the mounting plate, and the mounting plate is fixed on the base plate through bolts.
5. The horizontal machining clamping device for the commercial vehicle exhaust treatment tank support according to claim 1, 2 or 4, is characterized in that: the supporting seat is of a frame structure and is fixed on the bottom plate through bolts.
6. The horizontal machining clamping device for the commercial vehicle tail gas treatment tank bracket as claimed in claim 5, wherein: the first ejector rod is connected to the upper cross beam of the supporting seat through threads and fixed through an anti-loosening nut; the first compression screw, the second compression screw and the second ejector rod are respectively connected to the corresponding mounting supports through threads and fixed through anti-loosening nuts.
7. The horizontal machining clamping device for the commercial vehicle tail gas treatment tank bracket as claimed in claim 6, wherein: and the first ejector rod, the first compression screw rod, the second compression screw rod and the second ejector rod are all provided with handles.
8. The horizontal machining clamping device for the commercial vehicle exhaust gas treatment tank bracket according to claim 1, 2, 4, 6 or 7, is characterized in that: the bottom plate is made of a steel plate with the thickness of 50mm so as to ensure the installation precision and the strength, and the surface hardness of the positioning pin, the central pressing plate, the inclined pressing plate and the side pressing plates is controlled between HRC 48-52.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122886041.3U CN216229000U (en) | 2021-11-24 | 2021-11-24 | Horizontal processing clamping device of commercial car tail gas treatment jar support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122886041.3U CN216229000U (en) | 2021-11-24 | 2021-11-24 | Horizontal processing clamping device of commercial car tail gas treatment jar support |
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| Publication Number | Publication Date |
|---|---|
| CN216229000U true CN216229000U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122886041.3U Active CN216229000U (en) | 2021-11-24 | 2021-11-24 | Horizontal processing clamping device of commercial car tail gas treatment jar support |
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| CN (1) | CN216229000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670124A (en) * | 2022-05-10 | 2022-06-28 | 安徽涌诚机械有限公司 | Machining clamp for conjoined shooting machine |
-
2021
- 2021-11-24 CN CN202122886041.3U patent/CN216229000U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670124A (en) * | 2022-05-10 | 2022-06-28 | 安徽涌诚机械有限公司 | Machining clamp for conjoined shooting machine |
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