CN205290173U - A compress tightly positioning mechanism for car rear axle assembly welding jig - Google Patents
A compress tightly positioning mechanism for car rear axle assembly welding jig Download PDFInfo
- Publication number
- CN205290173U CN205290173U CN201520934352.4U CN201520934352U CN205290173U CN 205290173 U CN205290173 U CN 205290173U CN 201520934352 U CN201520934352 U CN 201520934352U CN 205290173 U CN205290173 U CN 205290173U
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- China
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- cylinder
- guide cylinder
- guide
- plate body
- locating ring
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- Expired - Fee Related
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Abstract
The utility model discloses a compress tightly positioning mechanism for car rear axle assembly welding jig, the piston rod of first cylinder is connected with the lower extreme of guide pillar, at the top of guide pillar installation locating pin, is equipped with the second cylinder on the guide cylinder, the second cylinder is connected with the one end pressure arm, fixes the pressure head in the bottom surface of the pressure arm other end, four angle departments at the holding ring set up the mounting hole, are equipped with the lug between the double -phase adjacent mounting hole of circumference, be equipped with the connecting plate between guide cylinder and second cylinder, the connecting plate is had each other and is obtuse first plate body and second plate body by the steel plate stamping shaping. The utility model discloses think about ingeniously, it is easy to implement, simple structure, compactness, and easily assembly, small in size, occupation space is little, not only controls the convenience, and the operation is nimble, reliable, can realize the accuracy and the steadiness of bushing pipe location moreover, is favorable to bushing pipe welding installation, and welding quality is secure, can satisfy the requirement of uniformity production.
Description
Technical field
This utility model belongs to technical field of tooling clamps, specifically, particularly to a kind of pressed positioning mechanism for automobile hind axle assembly welding clamp.
Background technology
Automobile hind axle assembly is made up of crossbeam, trailing arm, spring base, bushing pipe, parking brake cable support, oil tube bracket and amortisseur mounting seat etc., it is symmetrically welded trailing arm at the two ends of crossbeam, each trailing arm welds bushing pipe, parking brake cable support, amortisseur mounting seat and oil tube bracket successively. When welding, it is necessary to crossbeam, trailing arm, spring base, bushing pipe etc. are positioned respectively by operation break-down by multiple frocks. Existing bushing pipe positioning tool structure is complicated, takes up room big, and cost is high, para-position difficulty, and the steadiness positioned is poor so that welding quality is difficult to ensure that, does not reach the requirement of uniform production.
Utility model content
Technical problem to be solved in the utility model is in that to provide a kind of simple in construction, the reliable pressed positioning mechanism for automobile hind axle assembly welding clamp.
The technical solution of the utility model is as follows: a kind of pressed positioning mechanism for automobile hind axle assembly welding clamp, it is characterized in that: fixed guide cylinder on the cylinder body of the first cylinder, the piston rod of the first cylinder stretches in guide cylinder straight up, and be connected with the lower end of guide pillar, alignment pin is installed on the top of described guide pillar, alignment pin can stretch out outside guide cylinder, is provided with locating ring in the periphery of described alignment pin, and this locating ring is installed on the end face of guide cylinder; Equipped with the second cylinder on described guide cylinder, the axial line of the second cylinder and the axial line of the first cylinder are parallel, and the piston rod of described second cylinder stretches out straight up, and is connected with one end of pressure arm, the fixing pressure head in the bottom surface of the pressure arm other end, this pressure head is positioned at the surface of alignment pin;
The outline of described locating ring be four angles be rounded down square, installing hole is offered at four angles place of locating ring, each installing hole wears sunk screw, locating ring and guide cylinder are fixed together, it is provided with projection between circumference two adjacent installing holes, projection is circumferentially uniformly distributed, and the end face of the bottom of projection and locating ring is connected as a single entity;
Described guide cylinder is square, it is provided with connecting plate between guide cylinder and the second cylinder, described connecting plate is by steel plate punched molding, there is the first plate body and second plate body at obtuse angle each other, one side laminating of the first plate body and guide cylinder, being bolted between first plate body and guide cylinder, the second plate body and the location plane arranged on the second cylinder block are fitted, and fix also by bolt between the second plate body and the second cylinder.
Adopt above technical scheme, when the automobile hind axle assembly bushing pipe of location, first bushing pipe is placed on locating ring, then the piston rod driving the first cylinder protrudes upward, guide pillar is made to move upward together with alignment pin, alignment pin stretches in bushing pipe and positions, make bushing pipe planar will not produce to rock, then the piston rod action of the second cylinder is driven, the piston rod making the second cylinder drives pressure arm to move downward, until pressure head compressing is at the end face of bushing pipe, pressure head and locating ring match, the clamping to bushing pipe can be realized compress, in conjunction with the alignment pin in bushing pipe, may insure that the steadiness that bushing pipe positions, welding quality between such bushing pipe and trailing arm is secure, the requirement of uniform production can be met.
This utility model adopts double; two cylinders providing power, and parts are few, and overall structure is simple, compact, it is easy to assembling, compact, takes up room little, and cost is low, and manipulates conveniently.
Locating ring passes through four circumferentially equally distributed projection support bushing pipes, and the strong point is evenly distributed, and coordinates the good reliability of clamping position bushing pipe with pressure head. Locating ring adopts four sunk screws to be connected with guide cylinder, and it is firm not only to connect, it is easy to dismounting, and the head of sunk screw does not expose, and will not adversely affect supporting bushing pipe.
Adopting connecting plate to be attached between guide cylinder and the second cylinder, connecting plate moulding is simple, it is easy to processing and fabricating; Connecting plate is steel plate, and structural strength is good, will not deform or damage. Two plate bodys of connecting plate are fitted fixing respectively with guide cylinder and the second cylinder, and contact area is big between connecting plate and guide cylinder and between connecting plate and the second cylinder, and the fixing of connection is good.
In order to reduce abrasion as much as possible, increasing the service life, be embedded with wear-resisting bushing pipe in the inside of described guide cylinder, described wear-resisting bushing pipe and guide pillar are slidably matched.
In order to simplify structure, it is simple to processing and fabricating and assembling, described pressure head is pane structure, and this pressure head is connected with pressure arm by row's bolt.
Beneficial effect: this utility model is skillfully constructed, implement easily, simple in construction, compact, it is easy to assembling, compact, take up room little, not only manipulate conveniently, go slick, reliably, and it is capable of accuracy and the steadiness of bushing pipe location, being conducive to bushing pipe welded and installed, welding quality is secure, can meet the requirement of uniform production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the structural representation of guide pillar.
Fig. 4 is the structural representation of locating ring.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1 and Figure 2, arranging guide cylinder 2 on the cylinder body of the first cylinder 1, guide cylinder 2 is positioned at the top of the first cylinder 1 cylinder body, and the cylinder body of guide cylinder 2 and the first cylinder 1 is fixed together. Guide cylinder 2 is steel structure, and the profile of this guide cylinder 2 is square, and namely the outline of guide cylinder 2 cross section is square. The piston rod of the first cylinder 1 stretches in guide cylinder 2 straight up, is provided above guide pillar 3 at the first cylinder 1 piston rod, and guide pillar 3 is positioned at guide cylinder 2, and the wear-resisting bushing pipe 12 of guide pillar 3 and the internal setting-in of guide cylinder 2 is slidably matched.
As shown in Figure 2 and Figure 3, offer "T"-shaped groove 3a in the lower end of guide pillar 3, and be provided with joint 9 between guide pillar 3 and the piston rod of the first cylinder 1. Joint 9 is bolt arrangement, and the head boss of this joint 9 snaps in the "T"-shaped groove 3a of guide pillar 3 lower end, both snap-fit engagement.The lower end of joint 9 is stretched in the piston rod of the first cylinder 1, and joint 9 is connected with the piston rod thread of the first cylinder 1, nut 10 lock, and nut 10 is set on joint 9, and nut 10 is close to the end face of the first cylinder 1 piston rod.
As shown in Figure 1 and Figure 2, installing alignment pin 4 on the top of guide pillar 3, by conical surface transition between end face and all sides of alignment pin 4, the bottom of this alignment pin 4 is formed with short column 4a, short column 4a and embeds in the adaptive groove that guide pillar 3 upper end is offered. Up big and down small two-part stepped hole is offered at the center of alignment pin 4, this stepped hole wears countersunk head stay bolt, the lower end of countersunk head stay bolt is stretched in guide pillar 3, alignment pin 4 and guide pillar 3 is fixed together, and alignment pin 4 can protrude upward outside guide cylinder 2 under the drive of guide pillar 3.
As shown in Figure 1, Figure 2, Figure 4 shows, being provided with locating ring 5 in the periphery of alignment pin 4, the interior edge of this locating ring 5 is circular, the outline of locating ring 5 be four angles be rounded down square. Offering installing hole 5a at four angles place of locating ring 5, this installing hole 5a is up big and down small two-part stepped hole, wears sunk screw in each installing hole 5a, and locating ring 5 is fixed together by four sunk screws and guide cylinder 2. Being provided with projection 5b between circumference two adjacent installing hole 5a, projection 5b is circumferentially uniformly distributed, and the end face of the bottom of projection 5b and locating ring 5 is connected as a single entity.
As it is shown in figure 1, arrange the second cylinder 6 on the side of guide cylinder 2, the axial line of the second cylinder 6 and the axial line of the first cylinder 1 are parallel. Being provided with connecting plate 11 between guide cylinder 2 and the second cylinder 6, connecting plate 11, by steel plate punched molding, has the first plate body and second plate body at obtuse angle each other. First plate body of connecting plate 11 and a side laminating of guide cylinder 2, be bolted between the first plate body and guide cylinder 2. The location plane laminating arranged on second plate body of connecting plate 11 and the second cylinder 6 cylinder body, fixes also by bolt between the second plate body and the second cylinder 6. The piston rod of the second cylinder 6 stretches out straight up, and is connected with one end of pressure arm 7, and the fixing pressure head 8 in the bottom surface of pressure arm 7 other end, this pressure head 8 is positioned at the surface of alignment pin 4. Pressure head 8 is preferably pane structure, and this pressure head 8 is connected with pressure arm 7 by row's bolt.
Operation principle of the present utility model is as follows:
When the automobile hind axle assembly bushing pipe of location, first bushing pipe is placed on locating ring 5, bushing pipe is made to be supported by four projection 5b on locating ring 5, then the piston rod driving the first cylinder 1 protrudes upward, guide pillar 3 is made to move upward together with alignment pin 4, alignment pin 4 stretches in bushing pipe and positions, make bushing pipe planar will not produce to rock, then the piston rod action of the second cylinder 6 is driven, the piston rod making the second cylinder 6 drives pressure arm 7 to move downward, until pressure head 8 oppresses the end face at bushing pipe, pressure head 8 and locating ring 5 match, the clamping to bushing pipe can be realized compress, in conjunction with the alignment pin 4 in bushing pipe, may insure that accuracy and steadiness that bushing pipe positions.
Claims (3)
1. the pressed positioning mechanism for automobile hind axle assembly welding clamp, it is characterized in that: fixed guide cylinder (2) on the cylinder body of the first cylinder (1), the piston rod of the first cylinder (1) stretches in guide cylinder (2) straight up, and be connected with the lower end of guide pillar (3), alignment pin (4) is installed on the top of described guide pillar (3), alignment pin (4) can stretch out guide cylinder (2) outward, be provided with locating ring (5) in the periphery of described alignment pin (4), this locating ring (5) is installed on the end face of guide cylinder (2);Equipped with the second cylinder (6) on described guide cylinder (2), the axial line of the second cylinder (6) and the axial line of the first cylinder (1) are parallel, the piston rod of described second cylinder (6) stretches out straight up, and be connected with one end of pressure arm (7), the fixing pressure head (8) in the bottom surface of pressure arm (7) other end, this pressure head (8) is positioned at the surface of alignment pin (4);
The outline of described locating ring (5) be four angles be rounded down square, installing hole (5a) is offered at four angles place of locating ring (5), each installing hole (5a) wears sunk screw, locating ring (5) and guide cylinder (2) are fixed together, it is provided with projection (5b) between circumference two adjacent installing holes (5a), projection (5b) is circumferentially uniformly distributed, and the end face of the bottom of projection (5b) and locating ring (5) is connected as a single entity;
Described guide cylinder (2) is for square, connecting plate (11) it is provided with between guide cylinder (2) and the second cylinder (6), described connecting plate (11) is by steel plate punched molding, there is the first plate body and second plate body at obtuse angle each other, one side laminating of the first plate body and guide cylinder (2), it is bolted between first plate body and guide cylinder (2), the location plane laminating arranged on second plate body and the second cylinder (6) cylinder body, fixes also by bolt between the second plate body and the second cylinder (6).
2. the pressed positioning mechanism for automobile hind axle assembly welding clamp according to claim 1, it is characterized in that: be embedded with wear-resisting bushing pipe (12) in the inside of described guide cylinder (2), described wear-resisting bushing pipe (12) and guide pillar (3) are slidably matched.
3. the pressed positioning mechanism for automobile hind axle assembly welding clamp according to claim 1, it is characterised in that: described pressure head (8) is pane structure, and this pressure head (8) is arranged bolt by one and is connected with pressure arm (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520934352.4U CN205290173U (en) | 2015-11-20 | 2015-11-20 | A compress tightly positioning mechanism for car rear axle assembly welding jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520934352.4U CN205290173U (en) | 2015-11-20 | 2015-11-20 | A compress tightly positioning mechanism for car rear axle assembly welding jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205290173U true CN205290173U (en) | 2016-06-08 |
Family
ID=56462181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520934352.4U Expired - Fee Related CN205290173U (en) | 2015-11-20 | 2015-11-20 | A compress tightly positioning mechanism for car rear axle assembly welding jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205290173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102673A (en) * | 2019-05-17 | 2019-08-09 | 中山展晖电子设备有限公司 | The fixation trimming structure of gold thread |
-
2015
- 2015-11-20 CN CN201520934352.4U patent/CN205290173U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102673A (en) * | 2019-05-17 | 2019-08-09 | 中山展晖电子设备有限公司 | The fixation trimming structure of gold thread |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20161120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |