CN210254889U - Special fixture for welding and fixing parts on threshold - Google Patents
Special fixture for welding and fixing parts on threshold Download PDFInfo
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- CN210254889U CN210254889U CN201921241527.8U CN201921241527U CN210254889U CN 210254889 U CN210254889 U CN 210254889U CN 201921241527 U CN201921241527 U CN 201921241527U CN 210254889 U CN210254889 U CN 210254889U
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Abstract
The utility model discloses a special fixture for welding and fixing parts on doorsill, which comprises a frame, wherein three pressing and fixing mechanisms, a hole positioning mechanism and a rib plate fixing mechanism are arranged on the surface of the frame, and the three pressing and fixing mechanisms respectively correspond to the two ends and the middle part of a doorsill body and are used for supporting, pressing and fixing the doorsill body; the number of the hole positioning mechanisms is two, the hole positioning mechanisms respectively correspond to the positioning holes at the two ends of the doorsill body and are used for matching the positioning holes to carry out hole positioning on the doorsill body; the ribbed plate fixing mechanisms are three in number, are distributed along the length direction of the rack, correspond to the welding positions of the three welding ribbed plates respectively, and are used for fixing the welding ribbed plates inside the doorsill body in a positioning mode. Has the advantages that: the doorsill body is positioned and fixed through the hole positioning mechanism and the pressing fixing mechanism, three welding rib plates can be fixed through the three rib plate fixing mechanisms, positioning is accurate, welding consistency can be guaranteed, and the using effect is good.
Description
Technical Field
The utility model relates to a threshold welding auxiliary device technical field, concretely relates to threshold welded fastening part's special fixture.
Background
In the manufacturing process of the automobile threshold, three welding rib plates need to be welded inside the threshold in order to ensure the strength of the threshold, and in order to ensure the welding quality, a clamp needs to be used for fixing the threshold. However, the existing threshold welding fixture can only fix one welding rib plate, and needs to fix different welding rib plates for many times, which easily causes inaccurate positioning of the welding rib plates, affects welding consistency of the welding rib plates, and has unsatisfactory use effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a special fixture of threshold welded fastening part just in order to solve above-mentioned problem to solve among the prior art present threshold welding jig and can only carry out the fixed of a welding floor, need carry out the fixed of different welding floors many times, cause welding floor location inaccurate easily, influence the welding uniformity of welding floor, technical problem such as result of use is unsatisfactory. The utility model provides an among a great deal of technical scheme preferred technical scheme clearing hole positioning mechanism with compress tightly fixed establishment and fix a position and fix the threshold body, can fix three welding floor through three floor fixed establishment, fix a position the accuracy, help guaranteeing the welding uniformity, technological effect such as excellent in use effect sees the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a special fixture of threshold welded fastening part, which comprises a frame, the frame bottom surface four corners is provided with the supporting leg, the frame surface is provided with compressing and fixing mechanism, hole positioning mechanism and floor fixing mechanism, compressing and fixing mechanism is total three, and distributes along the length direction of the frame, corresponds both ends and the middle part of threshold body respectively, is used for supporting and compressing and fixing the threshold body; the two hole positioning mechanisms are distributed along the length direction of the rack, respectively correspond to the positioning holes at the two ends of the threshold body and are used for matching the positioning holes to perform hole positioning on the threshold body;
the three rib plate fixing mechanisms are distributed along the length direction of the rack, correspond to the welding positions of the three welding rib plates respectively, and are used for positioning and fixing the welding rib plates in the threshold body; floor fixed establishment includes fixed baseplate, the fixed baseplate outside is provided with fixed revolving cylinder, fixed swivel mount is installed to fixed revolving cylinder's rotatory end, fixed rotary rod is installed to fixed swivel mount's expansion end, vertical fixed stop and horizontally die clamping cylinder are installed to fixed rotary rod bottom surface, die clamping cylinder's output is installed solid fixed pressing plate, be used for die clamping cylinder's drive down to the solid fixed stop removes and presss from both sides tightly fixedly to the welding floor.
By adopting the special fixture for welding the fixed part of the doorsill, when welding is needed, the doorsill body is suspended above the rack, the doorsill body is positioned through the hole positioning mechanism and the positioning hole, after the positioning is finished, the two ends and the middle part of the doorsill body are pressed and fixed through the three pressing and fixing mechanisms, the welding rib plate is placed between the fixed baffle plate and the fixed pressure plate, the fixed pressure plate is driven by the clamping cylinder to move towards the fixed baffle plate, the welding rib plate is clamped and fixed through the fixed pressure plate and the fixed baffle plate, the fixed rotating frame is driven by the fixed rotating cylinder to rotate, so that the fixed rotating rod rotates towards the upper part of the doorsill body along with the fixed rotating frame until the welding rib plate enters the interior of the doorsill body and reaches the welding position, and the positioning of the welding rib plate is realized, be convenient for weld, can fix a position simultaneously to polylith welding floor, the location is accurate, helps guaranteeing the welding uniformity, excellent in use effect.
Preferably, a fixed limiting block is arranged on the upper surface of the fixed base and used for limiting the fixed rotating frame.
As preferred, compress tightly fixed establishment including compressing tightly the base, compress tightly the base along the horizontally carrier bar and the vertical revolving cylinder that compresses tightly are installed respectively to two corresponding sides of frame width direction's distribution, it is provided with the compressing tightly that is "U" style of calligraphy and bears the frame to compress tightly the carrier bar surface, the rotatory end that compresses tightly revolving cylinder is installed and is compressed tightly the swivel mount, the expansion end that compresses tightly the swivel mount is connected with and compresses tightly the rotary rod, it is provided with the frame that compresses tightly that is "U" style of calligraphy to compress tightly the rotary rod bottom surface, is used for the cooperation it realizes fixing compressing tightly to the threshold body to compress tightly to bear the frame.
Preferably, a pressing positioning block used for limiting the pressing rotating frame is arranged on the upper surface of the pressing base.
Preferably, the hole positioning mechanism comprises a positioning base, a positioning supporting cylinder is installed on the outer side of the positioning base, the output end of the positioning supporting cylinder vertically faces upwards and is provided with a positioning bearing frame, and a positioning column corresponding to the positioning hole in the end portion of the threshold body is arranged on the upper surface of the positioning bearing frame.
Preferably, the upper end of the positioning column is of an inverted cone structure.
As preferred, frame surface center department is provided with the middle part auxiliary stay mechanism that is used for carrying out auxiliary stay to the threshold body, middle part auxiliary stay mechanism includes auxiliary base, the auxiliary base outside is installed and is assisted a cylinder, the output that assists propping a cylinder is vertical upwards and install supplementary carrier bar, supplementary carrier bar symmetry is provided with two, and along the length direction of frame extends, two supplementary carrier bar is "L" style of calligraphy structure, and is provided with the auxiliary bracket who is "U" style of calligraphy on its upper end.
Preferably, the bottom surface of the supporting leg is provided with a self-locking universal wheel.
Preferably, the surface of the rack is provided with two push handles which are respectively close to the width direction side face and the length direction side face of the rack.
Has the advantages that: the doorsill body is positioned and fixed through the hole positioning mechanism and the pressing fixing mechanism, three welding rib plates can be fixed through the three rib plate fixing mechanisms, positioning is accurate, welding consistency can be guaranteed, and the using effect is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the three-dimensional structure of the pressing and fixing mechanism of the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of the hole-positioning mechanism of the present invention;
fig. 4 is a schematic perspective view of the rib plate fixing mechanism of the present invention;
fig. 5 is a schematic view of another perspective three-dimensional structure of the ribbed slab fixing mechanism of the present invention;
FIG. 6 is a schematic view of a three-dimensional structure of the middle auxiliary supporting mechanism of the present invention;
fig. 7 is a schematic view of a welded doorsill three-dimensional structure according to the present invention.
The reference numerals are explained below:
1. a frame; 2. a middle auxiliary support mechanism; 201. an auxiliary base; 202. an auxiliary supporting cylinder; 203. an auxiliary carrier bar; 204. an auxiliary bracket; 3. a push handle; 4. a self-locking universal wheel; 5. supporting legs; 6. a pressing and fixing mechanism; 601. pressing the base; 602. a compressing rotary cylinder; 603. compressing the rotating frame; 604. compressing the rotating rod; 605. a pressing frame; 606. compressing the bearing frame; 607. pressing the bearing rod; 608. compressing the positioning block; 7. a rib plate fixing mechanism; 701. a fixed base; 702. a fixed rotary cylinder; 703. fixing the rotating frame; 704. fixing the rotating rod; 705. a clamping cylinder; 706. fixing a baffle plate; 707. fixing the pressing plate; 708. fixing a limiting block; 8. a hole positioning mechanism; 801. a positioning base; 802. positioning a supporting cylinder; 803. positioning the bearing frame; 804. a positioning column; 9. a threshold body; 901. positioning holes; 10. and welding the rib plates.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, the utility model provides a special fixture of threshold welding fixed part, including frame 1, frame 1 bottom surface four corners is provided with supporting leg 5, and frame 1 surface is provided with compressing tightly fixed establishment 6, hole positioning mechanism 8 and floor fixed establishment 7, compresses tightly fixed establishment 6 totally three, and distributes along the length direction of frame 1, corresponds both ends and the middle part of threshold body 9 respectively, is used for supporting and compressing tightly fixing threshold body 9; the two hole positioning mechanisms 8 are distributed along the length direction of the rack 1, respectively correspond to the positioning holes 901 at the two ends of the threshold body 9, and are used for matching with the positioning holes 901 to perform hole positioning on the threshold body 9;
the three rib plate fixing mechanisms 7 are distributed along the length direction of the rack 1, correspond to the welding positions of the three welding rib plates 10 respectively, and are used for positioning and fixing the welding rib plates 10 in the threshold body 9; the ribbed plate fixing mechanism 7 comprises a fixing base 701, a fixing rotary cylinder 702 is arranged on the outer side of the fixing base 701, a fixing rotary frame 703 is installed at the rotary end of the fixing rotary cylinder 702, a fixing rotary rod 704 is installed at the movable end of the fixing rotary frame 703, a vertical fixing baffle 706 and a horizontal clamping cylinder 705 are installed at the bottom surface of the fixing rotary rod 704, and a fixing pressing plate 707 is installed at the output end of the clamping cylinder 705 and used for moving towards the fixing baffle 706 under the driving of the clamping cylinder 705 to clamp and fix the welding ribbed plate 10.
As an optional implementation manner, the upper surface of the fixed base 701 is provided with a fixed limiting block 708 for limiting the fixed rotating frame 703, so that the fixed rotating frame 703 is limited by the fixed limiting block 708, the fixed rotating frame 703 is prevented from rotating excessively, and the position accuracy of the welding rib plate 10 is ensured.
The pressing and fixing mechanism 6 comprises a pressing base 601, two corresponding sides of the pressing base 601 distributed along the width direction of the frame 1 are respectively provided with a horizontal pressing bearing rod 607 and a vertical pressing rotary cylinder 602, the surface of the pressing bearing rod 607 is provided with a pressing bearing frame 606 in a U shape, the rotating end of the pressing rotary cylinder 602 is provided with a pressing rotary frame 603, the movable end of the pressing rotary frame 603 is connected with a pressing rotary rod 604, the bottom surface of the pressing rotary rod 604 is provided with a pressing frame 605 in an inverted U shape for matching with the pressing bearing frame 606 to realize the pressing and fixing of the threshold body 9, the threshold body 9 is placed on the surface of the pressing rotary rod 606 when the threshold body 9 needs to be pressed and fastened, the threshold body 9 is supported by the pressing bearing frame 606, the pressing rotary cylinder 602 drives the rotary pressing rotary frame 603 to rotate, so that the pressing rotary rod 604 rotates above the threshold body 9 along with the pressing rotary frame 603, until the pressing frame 605 contacts with the surface of the threshold body 9, the threshold body 9 is pressed and fixed on the surface of the pressing bearing frame 606 by the pressing frame 605, and the pressing and fixing of the threshold body 9 are completed.
The upper surface of the pressing base 601 is provided with a pressing positioning block 608 for limiting the pressing rotating frame 603, the pressing rotating frame 603 is limited by the pressing positioning block 608, the pressing rotating frame 603 is prevented from driving the pressing rotating rod 604 to rotate excessively, and the pressing frame 605 is damaged to the threshold body 9.
The hole positioning mechanism 8 comprises a positioning base 801, a positioning supporting cylinder 802 is installed on the outer side of the positioning base 801, an output end of the positioning supporting cylinder 802 is vertically upward and is provided with a positioning bearing frame 803, the upper surface of the positioning bearing frame 803 is provided with a positioning column 804 corresponding to a positioning hole 901 at the end part of the threshold body 9, when the threshold body 9 needs to be positioned, the positioning bearing frame 803 is driven to ascend through the positioning supporting cylinder 802, the positioning column 804 is inserted into the positioning hole 901, positioning of the threshold body 9 is realized through cooperation of the positioning column 804 and the positioning hole 901, after positioning is completed, the positioning supporting cylinder 802 drives the positioning bearing frame 803 to descend, and therefore the threshold body 9 slowly descends until the threshold body 9 falls on the surface of the pressing bearing frame 606, and the threshold body 9 is conveniently pressed and fixed.
The upper end of the positioning column 804 is of an inverted cone structure, so that the positioning column 804 can be fully contacted with the positioning hole 901, and the positioning accuracy of the threshold body 9 is guaranteed.
Frame 1 surperficial center department is provided with middle part auxiliary stay mechanism 2 that is used for carrying out auxiliary stay to threshold body 9, middle part auxiliary stay mechanism 2 includes auxiliary base 201, auxiliary supporting cylinder 202 is installed outside auxiliary base 201, the output of auxiliary supporting cylinder 202 is vertical upwards and installs auxiliary carrier bar 203, auxiliary carrier bar 203 symmetry is provided with two, and extend along the length direction of frame 1, two auxiliary carrier bars 203 are "L" style of calligraphy structure, and its upper end is provided with the auxiliary bracket 204 that is "U" style of calligraphy, set up like this, it rises to actuate auxiliary carrier bar 203 through auxiliary supporting cylinder 202, make auxiliary bracket 204 and threshold body 9 bottom surface contact, realize the auxiliary stay to threshold body 9, guarantee threshold body 9's steadiness.
The self-locking universal wheel 4 is installed on the bottom surface of the supporting leg 5, so that the device can be moved and fixed conveniently, and the use flexibility of the device is improved.
The surface of the rack 1 is provided with the push handles 3, the push handles 3 are two in total and are respectively close to the width direction side and the length direction side of the rack 1, so that the push device is convenient to move from different directions, and the use flexibility of the device is improved.
By adopting the structure, when welding is needed, the threshold body 9 is suspended above the frame 1, the threshold body 9 is positioned by the hole positioning mechanism 8 matched with the positioning hole 901, after the positioning is finished, the two ends and the middle part of the threshold body 9 are pressed and fixed by the three pressing and fixing mechanisms 6, the welding rib plate 10 is placed between the fixed baffle 706 and the fixed baffle 707, the fixed baffle 706 is driven by the clamping cylinder 705 to move towards the fixed baffle 706, the welding rib plate 10 is clamped and fixed by the fixed baffle 707 and the fixed baffle 706, the fixed rotating frame 703 is driven by the fixed rotating cylinder 702 to rotate, the fixed rotating rod 704 rotates towards the upper part of the threshold body 9 along with the fixed rotating frame 703 until the welding rib plate 10 enters the interior of the threshold body 9 and reaches the welding position, the positioning of the welding rib plate 10 is realized, the welding is convenient, and the plurality of welding rib plates 10 can be positioned simultaneously, the positioning is accurate, the welding consistency is guaranteed, and the using effect is good.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a special fixture of threshold welded fastening part which characterized in that: the doorsill comprises a rack (1), wherein supporting legs (5) are arranged at four corners of the bottom surface of the rack (1), three pressing and fixing mechanisms (6), three hole positioning mechanisms (8) and three rib plate fixing mechanisms (7) are arranged on the surface of the rack (1), are distributed along the length direction of the rack (1), respectively correspond to two ends and the middle of a doorsill body (9), and are used for supporting, pressing and fixing the doorsill body (9); the two hole positioning mechanisms (8) are distributed along the length direction of the rack (1), respectively correspond to the positioning holes (901) at the two ends of the threshold body (9), and are used for matching with the positioning holes (901) to perform hole positioning on the threshold body (9);
the three rib plate fixing mechanisms (7) are distributed along the length direction of the rack (1), correspond to the welding positions of the three welding rib plates (10) respectively, and are used for positioning and fixing the welding rib plates (10) in the threshold body (9); ribbed slab fixed establishment (7) is including fixed baseplate (701), fixed baseplate (701) outside is provided with fixed revolving cylinder (702), fixed swivel mount (703) are installed to the rotatory end of fixed revolving cylinder (702), fixed rotary rod (704) are installed to the expansion end of fixed swivel mount (703), vertical fixed stop (706) and horizontally die clamping cylinder (705) are installed to fixed rotary rod (704) bottom surface, fixed clamp plate (707) are installed to the output of die clamping cylinder (705), be used for under the drive of die clamping cylinder (705) to fixed stop (706) remove and press from both sides tight fixedly to welding ribbed slab (10).
2. The special fixture for the doorsill welding fixing part as claimed in claim 1, wherein: the upper surface of the fixed base (701) is provided with a fixed limiting block (708) used for limiting the fixed rotating frame (703).
3. The special fixture for the doorsill welding fixing part as claimed in claim 1, wherein: compress tightly fixed establishment (6) including compressing tightly base (601), compress tightly base (601) along the two corresponding sides of frame (1) width direction's distribution are installed horizontally respectively and are compressed tightly carrier bar (607) and vertical rotatory cylinder (602) compress tightly, it is provided with compressing tightly that is "U" style of calligraphy and bears frame (606) to compress tightly carrier bar (607) surface, the rotatory end that compresses tightly rotatory cylinder (602) is installed and is compressed tightly swivel mount (603), the expansion end that compresses tightly swivel mount (603) is connected with compresses tightly rotary rod (604), compress tightly rotary rod (604) bottom surface and be provided with and compress tightly frame (605) that are "U" style of calligraphy down, be used for the cooperation compress tightly bear frame (606) and realize compressing tightly fixedly to threshold body (9).
4. The special fixture for the doorsill welding fixing part as claimed in claim 3, wherein: the upper surface of the pressing base (601) is provided with a pressing positioning block (608) used for limiting the pressing rotating frame (603).
5. The special fixture for the doorsill welding fixing part as claimed in claim 1, wherein: hole positioning mechanism (8) are including location base (801), location props a cylinder (802) to install the location in location base (801) outside, the output of location props a cylinder (802) is vertical upwards and installs the location and bear frame (803), the location bears frame (803) upper surface to be provided with locating hole (901) corresponding reference column (804) of threshold body (9) tip.
6. The special fixture for the doorsill welding-fixing part as claimed in claim 5, wherein: the upper end of the positioning column (804) is of an inverted cone structure.
7. The special fixture for the doorsill welding fixing part as claimed in claim 1, wherein: frame (1) surface center department is provided with middle part auxiliary stay mechanism (2) that are used for carrying out auxiliary stay to threshold body (9), middle part auxiliary stay mechanism (2) are including auxiliary base (201), auxiliary base (201) outside is installed and is assisted and prop a cylinder (202), the output of assisting propping a cylinder (202) is vertical upwards and install supplementary carrier bar (203), supplementary carrier bar (203) symmetry is provided with two, and along the length direction of frame (1) extends, two supplementary carrier bar (203) are "L" style of calligraphy structure, and its upper end is provided with auxiliary bracket (204) that is "U" style of calligraphy.
8. The special fixture for the doorsill welding fixing part as claimed in claim 1, wherein: and self-locking universal wheels (4) are installed on the bottom surfaces of the supporting legs (5).
9. The special fixture for the doorsill welding fixing part as claimed in claim 1, wherein: the surface of the rack (1) is provided with two push handles (3), and the push handles (3) are respectively close to the side face in the width direction and the side face in the length direction of the rack (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921241527.8U CN210254889U (en) | 2019-08-02 | 2019-08-02 | Special fixture for welding and fixing parts on threshold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921241527.8U CN210254889U (en) | 2019-08-02 | 2019-08-02 | Special fixture for welding and fixing parts on threshold |
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| Publication Number | Publication Date |
|---|---|
| CN210254889U true CN210254889U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921241527.8U Active CN210254889U (en) | 2019-08-02 | 2019-08-02 | Special fixture for welding and fixing parts on threshold |
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| CN (1) | CN210254889U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134729A (en) * | 2021-04-07 | 2021-07-20 | 上海英汇科技发展有限公司 | Automatic assembly tool for automobile aluminum threshold assembly and operation method of automatic assembly tool |
| CN116441358A (en) * | 2023-06-20 | 2023-07-18 | 浙江祥晋汽车零部件股份有限公司 | Machining tool for automobile aluminum alloy threshold beam and positioning method thereof |
-
2019
- 2019-08-02 CN CN201921241527.8U patent/CN210254889U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134729A (en) * | 2021-04-07 | 2021-07-20 | 上海英汇科技发展有限公司 | Automatic assembly tool for automobile aluminum threshold assembly and operation method of automatic assembly tool |
| CN113134729B (en) * | 2021-04-07 | 2024-04-23 | 上海英汇科技发展有限公司 | Automatic assembly tool for automobile aluminum threshold assembly and operation method thereof |
| CN116441358A (en) * | 2023-06-20 | 2023-07-18 | 浙江祥晋汽车零部件股份有限公司 | Machining tool for automobile aluminum alloy threshold beam and positioning method thereof |
| CN116441358B (en) * | 2023-06-20 | 2023-10-10 | 浙江祥晋汽车零部件股份有限公司 | Machining tool for automobile aluminum alloy threshold beam and positioning method thereof |
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