Manual front positioning mechanism, suction positioning mechanism and clamp

Abstract

The utility model provides a hand-operated front positioning mechanism, suction positioning mechanism and fixture wherein the hand-operated front positioning mechanism comprises a main plate, a plurality of positioning blocks and a plurality of positioning pins, the end of one side of the main plate is provided with a plurality of positioning blocks, the bottom of the main plate is provided with a plurality of positioning pins, and the positioning blocks are detachably connected with the main plate. A handle and the like can be additionally arranged on the main plate, so that the manual front positioning mechanism can be conveniently taken. The manual front positioning mechanism can be applied to the suction positioning mechanism and the clamp for auxiliary positioning. In addition, the manual front positioning mechanism has the advantages that the weight and the height are greatly reduced, and use is easy and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of splicing and welding clamp, in particular to a manual front positioning mechanism, suction positioning mechanism and clamp. BACKGROUND

[0002] The automobile door ring is a very important part of the vehicle body, and its strength is crucial, and it is a decisive part of the automobile crash performance. Its manufacturing process is also the focus of attention in the vehicle body production process. There are two common methods on the automobile at present.

[0003] The first method is to use a large plate, which is slightly larger than the size of the automobile door ring after unfolding, and then directly cut into the shape of the door ring through stamping or laser cutting process, and then the whole is formed by stamping. This method is simple and reliable, but the waste of materials is obvious, and the strength of the door ring cannot be changed according to the design requirements, for example, the strength of the upper A column position reaches 2000MPA, and the strength of the lower beam position is 1200MPA.

[0004] The second common method is to cut the individual components of the door ring separately, and then use hot stamping process to form them respectively, and finally weld and assemble them to form the automobile door ring. Because of the lap joint part, this process still has certain waste in material utilization, and increases the weight of the vehicle body.

[0005] The door ring clamp on the market at present is all automatic positioning pin mechanism, which is heavy, long debugging period and high investment cost. However, the development cycle of the automobile is getting shorter and shorter, and the models of the automobile are getting better and more diversified, so it is necessary to realize the rapid production of the door ring clamp, reduce the cost of the clamp, and shorten the debugging time as much as possible. The automatic front positioning pin mechanism commonly seen on the market is driven by a cylinder to make the positioning pin stretch up and down, or by a cylinder to drive the swing lever to turn up and down to realize positioning. The positioning mechanism is heavy and complex. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a kind of manual front positioning mechanism, suction positioning mechanism and clamp, to solve one or more of the above technical problems.

[0007] The utility model provides a kind of manual front positioning mechanism, including mainboard, positioning block and positioning pin, the side end of the mainboard is provided with multiple positioning blocks, and the bottom of the mainboard is provided with multiple positioning pins.

[0008] In some embodiments,

[0009] The positioning block and the mainboard are connected in a detachable manner, so that when the positioning block is worn out after use, the new positioning block can be replaced directly without replacing the whole manual front positioning mechanism.

[0010] The side end of the main plate is provided with four positioning blocks in parallel, and the bottom of the main plate is provided with two positioning pins.

[0011] In some embodiments,

[0012] The positioning block is L-shaped combined by a connecting block and an acting block, the connecting block is connected with the acting block, when the positioning block is connected with the main plate, the groove of the positioning block is arranged towards the direction of the main plate, the connecting block is in contact with the upper surface of the main plate, the side edge is connected with the main plate, and the acting block is arranged correspondingly with the side surface of the main plate.

[0013] The positioning pin comprises a main rod and an end portion, one end of the main rod is connected with the main plate, the other end of the main rod is connected with the end portion, and the end portion is in a semispherical shape.

[0014] In some embodiments,

[0015] The four positioning blocks and the two positioning pins are longitudinally arranged, the four positioning blocks are divided into two groups by the transverse center line of the main plate, and the two groups of positioning blocks are symmetrically distributed about the transverse center line of the main plate; the two positioning pins are symmetrically distributed about the transverse center line of the main plate.

[0016] In some embodiments,

[0017] The center of the main plate is provided with a through hole, the through hole is symmetrically distributed about the transverse center line of the main plate and the longitudinal center line of the main plate, a handle is arranged on the main plate avoiding the through hole, the handle is longitudinally arranged, and the handle is symmetrically distributed about the through hole, so that the user can take and place the manual front positioning mechanism.

[0018] The suction positioning mechanism comprises the manual front positioning mechanism.

[0019] In some embodiments, further comprising a fixed magnet, a magnetic base, an electromagnet group and a slag receiving box, the bottom of the magnetic base is connected with the fixed magnet, the slag receiving box is arranged on the magnetic base, the electromagnet group is arranged on the magnetic base, the electromagnet group is arranged above the slag receiving box, the electromagnet group comprises a plurality of electromagnets, there is a gap between adjacent electromagnets, the gap is arranged correspondingly with the slag receiving box, and the manual front positioning mechanism is arranged on the electromagnet group.

[0020] In some embodiments, the electromagnet group comprises two groups of electromagnets, the manual front positioning mechanism is arranged on one group of electromagnets, there is a gap between the two groups of electromagnets, and the slag receiving box is arranged correspondingly with the gap.

[0021] The clamp comprises a base plate, and a suction positioning mechanism is arranged on the base plate, wherein the suction positioning mechanism comprises the manual front positioning mechanism according to any one of the preceding aspects.

[0022] In some embodiments, a plurality of suction positioning mechanisms, a plurality of supporting columns, a plurality of brush supporting tables and a plurality of auxiliary positioning pins are further arranged on the base plate, the suction positioning mechanism further comprises a fixed magnet, a magnetic base, an electromagnet group and a slag receiving box, the bottom of the magnetic base is connected with the fixed magnet, the slag receiving box is arranged on the magnetic base, the electromagnet group is arranged on the magnetic base, the electromagnet group is arranged above the slag receiving box, the electromagnet group comprises a plurality of electromagnets, gaps exist between adjacent electromagnets, the gaps are arranged correspondingly with the slag receiving box, and the manual front positioning mechanism is arranged on the electromagnet group.

[0023] The utility model discloses the advantages are:

[0024] The manual front positioning mechanism is composed of a handle, a positioning block, a fixed pin and the like, has simple structure and is convenient to take and place, simultaneously, the original automatic front positioning pin mechanism is replaced by the design, so that the weight and height of the whole clamp are greatly reduced, the clamp is simple and convenient to use, and accurate positioning of the to-be-welded edge can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a mechanism schematic view of the manual front positioning mechanism from one perspective in embodiment 1.

[0026] Figure 2 It is a mechanism schematic view of the manual front positioning mechanism from another perspective in embodiment 1.

[0027] Figure 3 It is a structure schematic view of the suction positioning mechanism in embodiment 2.

[0028] Figure 4 It is a structure schematic view of the clamp in embodiment 3. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model is further described below in combination with the drawings, and the drawings of the utility model are structure block diagrams for simple reading, and cannot limit the true purpose of the utility model.

[0030] Embodiment 1

[0031] The manual front positioning mechanism comprises a main plate 1, a positioning block 3 and a positioning pin 4, a plurality of positioning blocks 3 are arranged on one side end of the main plate 1, and a plurality of positioning pins 4 are arranged on the bottom of the main plate 1.

[0032] In some specific implementations, in combination with the content shown in Figure 1 and Figure 2 , the center of the main plate 1 is provided with a through hole 5, the through hole 5 is symmetrically distributed about the center line in the transverse direction of the main plate 1, the through hole 5 is symmetrically distributed about the center line in the longitudinal direction of the main plate 1, the main plate 1 is provided with a handle 2 avoiding the through hole 5, the handle 2 is longitudinally arranged, the handle 2 is symmetrically distributed about the through hole 5, four positioning blocks 3 are arranged side by side at one end of the main plate 1, the four positioning blocks 3 are divided into two groups by the center line in the transverse direction of the main plate 1, the two groups of positioning blocks are symmetrically distributed about the center line in the transverse direction of the main plate 1, and the positioning block 3 can be connected with the main plate 1 by screws; two positioning pins 4 are arranged at the bottom of the main plate 1, and the two positioning pins 4 can be symmetrically distributed about the center line in the transverse direction of the main plate 1, wherein the end portions of the handle 2 can be additionally provided with auxiliary through holes 6, and the auxiliary through holes 6, the main plate 1 and the positioning pins 4 are connected in sequence from top to bottom by bolts.

[0033] The above-mentioned positioning block 3 can be an L-shaped combination of a connecting block and an acting block, the connecting block is connected with the acting block, when the positioning block is connected with the main plate, the groove of the positioning block is arranged towards the direction of the main plate 1, the connecting block is in contact with the upper surface of the main plate 1, and the side edge is connected with the main plate 1, and the acting block is correspondingly arranged with the side surface of the main plate;

[0034] The structure of the positioning pin 4 can be: the positioning pin 4 includes a main rod and an end portion, one end of the main rod is connected with the main plate, the other end of the main rod is connected with the end portion, and the end portion can be in a semispherical shape.

[0035] Embodiment 2

[0036] In combination with the content shown in Figure 3 , the embodiment proposes a suction positioning mechanism, which includes a manual front positioning mechanism 15, which can be the manual front positioning mechanism described in embodiment 1.

[0037] The suction positioning mechanism further includes a fixed magnet 11, a magnetic base 13, an electromagnet group 14 and a slag receiving box 12, the bottom of the magnetic base 13 is connected with the fixed magnet 11, the slag receiving box 12 is arranged on the magnetic base 13, the electromagnet group 14 is arranged above the magnetic base 13, the electromagnet group 14 is arranged above the slag receiving box 13, the electromagnet group 14 includes multiple groups of electromagnets, there is a gap between adjacent electromagnets, the gap is correspondingly arranged with the slag receiving box 12, the manual front positioning mechanism 13 is arranged on the electromagnet group 14, and the position of the manual front positioning mechanism 13 corresponds to the position of the gap.

[0038] In combination with the content shown in Figure 3 , the above-mentioned electromagnet group 14 can be composed of two groups of electromagnets, the manual front positioning mechanism 13 is arranged on one of the two groups of electromagnets, a gap is arranged between the two groups of electromagnets, and the slag receiving box 12 is correspondingly arranged with the gap.

[0039] Embodiment 3

[0040] In combination Figure 4 In combination with the above, the embodiment proposes a clamp comprising one or more suction positioning mechanisms 22, which can be the suction positioning mechanisms described in Embodiment 2.

[0041] The clamp can be used for welding door ring products, and the clamp further comprises a base plate 21, a plurality of support columns 24, a plurality of brush support tables 23, and a plurality of auxiliary positioning pins 25. The base plate 21 can be provided with a plurality of hole positions to facilitate the installation and fixation of the suction positioning mechanisms 22, the support columns 24, the brush support tables 23, and the auxiliary positioning pins 25, and is flexible.

[0042] The suction positioning mechanisms 22, the support columns 24, the brush support tables 23, and the auxiliary positioning pins 25 can be fixed on the base plate 21 as needed according to the drawings of the door ring products. The setting and fixing process of the support columns 24, the brush support tables 23, and the auxiliary positioning pins 25 on the base plate 21 can be directly realized by using existing technologies, and thus will not be described here. The suction positioning mechanisms 22 can be fixed by the magnets on the magnetic bases 13. This fixing method avoids traditional punching and locking, and can realize stepless adjustment of all positions and is highly flexible. The auxiliary positioning pins 25 can assist in side positioning, thereby ensuring the accuracy of positioning of each plate.

[0043] Door ring plate feeding: first, manually place the first plate of the door ring corresponding to the manual front positioning pin mechanism, so that the positioning pin 4 on the manual front positioning pin mechanism is inserted into the positioning hole of the electromagnet. Then place the first door ring assembly welding plate and use the electromagnet to adsorb and lock. Then place the second plate of the door ring corresponding to the manual front positioning pin mechanism, and then place the second plate of the door ring, and use the electromagnet to adsorb and fix. The above steps are repeated for all door ring assembly welding plates. The support columns 24 and the brush support tables 23 are distributed at the lower part of each plate to effectively support the plate. In specific implementation, the positioning of each plate is realized by at least three contact points, or one contact point plus one contact line.

[0044] The above unfinished matters can be directly realized by using existing technologies, and thus will not be described here.

[0045] The above is only a preferred mode of the present application, and it should be pointed out that for ordinary skilled persons in the art, without departing from the creative concept of the present application, a number of similar modifications and improvements can be made, which should also be considered as the protection range of the present application.

Claims

1. A manual front positioning mechanism characterized in that, Including the main plate, the positioning block and the positioning pin, the side end of the main plate is provided with a plurality of positioning blocks, and the bottom of the main plate is provided with a plurality of positioning pins, The positioning block and the main plate are connected in a detachable manner; The side end of the main plate is provided with four positioning blocks side by side, and the bottom of the main plate is provided with two positioning pins; The positioning block is L-shaped combined with the connecting block and the acting block, the connecting block is connected with the acting block, when the positioning block is connected with the main plate, the groove of the positioning block is arranged towards the direction of the main plate, the connecting block is in contact with the upper surface of the main plate, the connecting block is connected with the main plate, and the acting block is arranged corresponding to the side surface of the main plate; The positioning pin comprises a main rod and an end portion, one end of the main rod is connected with the main plate, the other end of the main rod is connected with the end portion, and the end portion is semispherical.

2. The manual front positioning mechanism according to claim 1, wherein, The four positioning blocks and the two positioning pins are longitudinally arranged, the four positioning blocks are divided into two groups with the horizontal center line of the main plate as a boundary, and the two groups of positioning blocks are symmetrically distributed about the horizontal center line of the main plate; the two positioning pins are symmetrically distributed about the horizontal center line of the main plate.

3. The manual front positioning mechanism according to claim 1, wherein, A through hole is arranged at the center of the main plate, the through hole is symmetrically distributed about the horizontal center line and the longitudinal center line of the main plate, a handle is arranged on the main plate avoiding the through hole, the handle is longitudinally arranged, and the handle is symmetrically distributed about the through hole.

4. A suction positioning mechanism, characterized by The manual front positioning mechanism according to any one of claims 1-3.

5. Suction positioning mechanism according to claim 4, characterized in that Further comprising a fixed magnet, a magnetic base, an electromagnet group and a slag receiving box, the bottom of the magnetic base is connected with the fixed magnet, the slag receiving box is arranged on the magnetic base, the electromagnet group is arranged on the magnetic base, the electromagnet group is arranged above the slag receiving box, the electromagnet group comprises a plurality of electromagnets, there is a gap between adjacent electromagnets, the gap is arranged corresponding to the slag receiving box, and the manual front positioning mechanism is arranged on the electromagnet group.

6. Suction positioning mechanism according to claim 5, characterized in that The electromagnet group comprises two electromagnets, the manual front positioning mechanism is arranged on one of the two electromagnets, there is a gap between the two electromagnets, and the slag receiving box is arranged corresponding to the gap.

7. A clamp comprising a base plate, characterized by The substrate is provided with a suction positioning mechanism, and the suction positioning mechanism comprises the manual front positioning mechanism according to any one of claims 1-3.

8. The clamp of claim 7, wherein, The substrate is further provided with a plurality of suction positioning mechanisms, a plurality of supporting columns, a plurality of brush supporting tables and a plurality of auxiliary positioning pins, the suction positioning mechanism further comprises a fixed magnet, a magnetic base, an electromagnet group and a slag receiving box, the bottom of the magnetic base is connected with the fixed magnet, the slag receiving box is arranged on the magnetic base, the electromagnet group is arranged on the magnetic base, the electromagnet group is arranged above the slag receiving box, the electromagnet group comprises a plurality of electromagnets, there is a gap between adjacent electromagnets, the gap is arranged corresponding to the slag receiving box, and the manual front positioning mechanism is arranged on the electromagnet group.

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