CN220033282U - Locking mechanism and grabbing device - Google Patents
Locking mechanism and grabbing device Download PDFInfo
- Publication number
- CN220033282U CN220033282U CN202320633561.XU CN202320633561U CN220033282U CN 220033282 U CN220033282 U CN 220033282U CN 202320633561 U CN202320633561 U CN 202320633561U CN 220033282 U CN220033282 U CN 220033282U
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- piece
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- clamping
- shaft
- locking mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a locking mechanism and a grabbing device, wherein the locking mechanism comprises: a fixing member; a slider slidably connected to the fixing member; a locking assembly disposed between the fixture and the slider for effecting locking of the slider on the fixture, the locking assembly comprising: the clamping piece is arranged on the sliding piece and extends along the sliding direction, a first end of the clamping piece is rotatably arranged on the sliding piece, and a second end of the clamping piece can swing and is limited on the sliding piece; and the guide rail clamp is arranged on the fixed piece and used for clamping the clamping piece so as to limit the movement of the sliding piece on the fixed piece. The locking mechanism and the grabbing device provided by the utility model can improve the production efficiency and reduce the production cost.
Description
Technical Field
The utility model relates to the technical field of tire manufacturing, in particular to a locking mechanism and a grabbing device.
Background
An existing semi-steel radial one-time tire building machine includes a belt drum for building a tread assembly, a building drum for building a carcass assembly and a tire blank, and a transfer ring for transferring the tread assembly or the tire blank. The tread assembly or tire blank may be collectively referred to as a tire assembly. The belt drum and the transfer ring are both slidably connected to the guide rail, the transfer ring being movable back and forth between the belt drum and the building drum for gripping and transferring the tire assembly.
The transfer ring comprises an annular base movable along the guide rail, and a plurality of gripping devices circumferentially arranged along the annular base for gripping the tire assembly. Each gripping device includes a mount secured to the annular base, a gripper assembly movable relative to the mount, and a locking mechanism for locking the mount and the gripper assembly.
As shown in fig. 1 and 2, the conventional locking mechanism includes a clamp rail 300 and a rail clamp 400 engaged with the clamp rail 300. Wherein the clamp rail 300 is fixed to the slider 200, and the rail clamp 400 is mounted to the fixed member 100, and the slider 200 is locked by clamping engagement of the rail clamp 400 with the clamp rail 300. Since the slider 200 is part of the gripper assembly and the mount 100 is part of the mount, locking the slider 200 locks the gripper assembly. The sliding member 200 further has two guide rails 500 disposed in parallel.
However, the existing locking mechanisms have the following drawbacks:
(1) The guide rail clamp is directly clamped with the side face of the clamping guide rail, the contact area is small, the actual clamping area is limited, and the phenomenon of loosening and damage is easy to occur;
(2) The clamping guide rail is fixedly installed, so that the parallelism of the clamping guide rail and the guiding guide rail is difficult to ensure, and once the non-parallelism phenomenon occurs, the sliding piece can scratch the clamping guide rail in the sliding process after the guide rail clamp is released, so that the loss of the guide rail clamp is increased;
(3) The guide rail clamp can lock and clamp the guide rail, but after the locking is released, the gap between the clamping piece of the guide rail clamp and the clamping guide rail is small, so that scratch and abrasion are easily caused.
Disclosure of Invention
In order to solve the above problems, the present utility model aims to provide a locking mechanism and a gripping device, which can reduce the abrasion of a rail clamp and improve the clamping precision.
Based on the above problems, one of the technical schemes provided by the utility model is as follows:
a locking mechanism comprising:
a fixing member;
a slider slidably connected to the fixing member;
a locking assembly disposed between the fixture and the slider for effecting locking of the slider on the fixture, the locking assembly comprising:
the clamping piece is arranged on the sliding piece and extends along the sliding direction, a first end of the clamping piece is rotatably arranged on the sliding piece, and a second end of the clamping piece can swing and is limited on the sliding piece;
and the guide rail clamp is arranged on the fixed piece and used for clamping the clamping piece so as to limit the movement of the sliding piece on the fixed piece.
In one embodiment, the locking assembly further comprises a first fixed shaft and a second fixed shaft which connect the sliding member with the clamping member, the first end of the clamping member is rotatably arranged on the sliding member through the first fixed shaft, and the second end of the clamping member is provided with a mounting hole in clearance fit with the second fixed shaft.
In one embodiment, the first fixing shaft includes a first shaft portion, a first fixing portion disposed at one axial end of the first shaft portion, and a first limiting portion disposed at the other axial end of the first shaft portion; the first fixing part is fixedly connected with the sliding part, the clamping part is rotatably supported on the first shaft part through a joint bearing, one end of the joint bearing is abutted to the first limiting part, and a limiting spacer bush is arranged between the other end of the joint bearing and the sliding part.
In one embodiment, the second fixing shaft includes a second shaft portion, a second fixing portion disposed at one axial end of the second shaft portion, and a second limiting portion disposed at the other axial end of the second shaft portion, the second fixing portion is fixedly connected with the sliding member, and the clamping member is in clearance fit with the second limiting portion and the second shaft portion.
In one embodiment, a limiting step matched with the second limiting part is arranged in the mounting hole, and a gap is reserved between the limiting step and the second limiting part.
In one embodiment, the clamping member includes a rotating portion rotatably coupled to the slider and a clamping portion having a square shaft structure and mated with the rail clamp.
In one embodiment, the slider is slidably coupled to the fixture via a rail assembly.
In one embodiment, the guide rail assembly comprises a guide rail fixed on the sliding piece and a sliding block fixed on the fixed piece, and the sliding block is in sliding fit with the guide rail.
Based on the above problems, the second technical scheme provided by the utility model is as follows:
the grabbing device comprises any one of the locking mechanisms, a driving piece arranged on the fixing piece and a clamping jaw piece arranged on the sliding piece, wherein the sliding piece is in transmission connection with the driving piece and slides along the fixing piece under the driving of the driving piece.
In one embodiment, the driving member is a cylinder.
Compared with the prior art, the utility model has the advantages that:
1. the clamping piece matched with the guide rail clamp is of a swinging installation structure, when the machining or installation of the clamping piece deviates to cause that the clamping piece is not parallel to the guide rail, the clamping piece can swing as required, the scratch and abrasion between the guide rail clamp and the clamping piece are avoided, the service life of the guide rail clamp is prolonged, and the production cost is reduced;
2. the part of the clamping piece matched with the guide rail clamp is of a square shaft structure, so that the clamping area of the guide rail clamp and clamping is increased, the clamping precision is improved, the transmission precision of a tire assembly is further improved, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, in which the drawings are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a prior art locking mechanism;
FIG. 2 is a schematic view of section A-A of FIG. 1;
FIG. 3 is a schematic view of a locking mechanism according to an embodiment of the present utility model;
FIG. 4 is a schematic view of another state of the locking mechanism according to the embodiment of the present utility model
FIG. 5 is a schematic view in section B-B of FIG. 3;
FIG. 6 is a schematic view of section C-C of FIG. 3;
FIG. 7 is a partial enlarged view at Z of bitmap 6;
FIG. 8 is an enlarged view of a portion of the portion of FIG. 6 at Y;
FIG. 9 is a schematic view of section D-D of FIG. 3;
wherein:
100. a fixing member 200, a sliding member 300, and a clamp rail; 400. a rail clamp; 500. a guide rail;
1. a fixing member;
2. a slider;
3. a clamping member; 3-1, a first end; 3-2, a second end; 3-3, mounting holes; 3-3a, limiting steps;
4. a rail clamp;
5. a first fixed shaft; 5-1, a first limiting part; 5-2, a first shaft portion; 5-3, a first fixing part;
6. a second fixed shaft; 6-1, a second limiting part; 6-2, a second shaft portion; 6-3, a second fixing part;
7. a guide rail;
8. a slide block;
9. a knuckle bearing;
10. and a limiting spacer bush.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments.
As shown in fig. 3, 4, 5, 6 and 9, which are schematic structural views of an embodiment of the present utility model, a locking mechanism is provided, which includes a fixing member 1, a sliding member 2 slidably connected to the fixing member 1, and a locking assembly disposed between the fixing member 1 and the sliding member 2, where the locking assembly is used to lock the sliding member 2 on the fixing member 1.
The locking assembly comprises a clamping member 3 mounted on the slider 2 and a rail clamp 4 mounted on the fixed member 1. Wherein the clamping member 3 extends in the sliding direction of the slider 2, and the rail clamp 4 is used to clamp the clamping member 3 to restrict the movement of the slider 2 on the fixing member 1.
The clamp 3 includes a rotating portion and a clamping portion. The rotating part is rotationally connected with the sliding part 2, and the clamping part is of a square shaft structure and is matched with the guide rail clamp 4. The clamping part adopts a square shaft structure, so that the clamping area of the guide rail clamp 4 and the clamping piece 3 can be increased, and the clamping precision is improved.
In order to avoid that the clamping member 3 is not parallel to the guide rail 7 due to the machining or installation process, the first end 3-1 of the clamping member 3 in the length direction is rotatably arranged on the sliding member 2, and the second end 3-2 in the length direction is swingably limited on the sliding member 2. Specifically, the end of the clamping member 3 near the start end in the sliding direction is a second end 3-2, and the end far from the start end in the sliding direction is a first end 3-1. When the sliding part 2 slides and extends relative to the fixed part 1 and the sliding part 2 needs to be locked, the clamping piece of the guide rail clamp 4 contacts with the clamping part 3 after acting and clamps the clamping part 3. If the clamping piece 3 is not parallel to the guide rail 7, the clamping piece 3 can swing as required, so that the rail clamp 4 and the clamping piece 3 are prevented from rubbing and wearing in the moving process of the sliding piece 2.
The locking assembly further comprises a first fixed shaft 5 and a second fixed shaft 6 connecting the slide 2 and the clamp 3. Wherein the first end 3-1 of the clamping member 3 is rotatably arranged on the sliding member 2 through the first fixing shaft 5, and the position of the second end 3-2 of the clamping member 3 can be adjusted. The second end of the clamping member 3 is provided with a mounting hole 3-3 in clearance fit with the second fixed shaft 6 so that the clamping member 3 can swing within a range defined by the second fixed shaft 6.
As shown in fig. 7, the first fixed shaft 5 includes a first shaft portion 5-2, a first fixing portion 5-3 provided at one axial end of the first shaft portion 5-2, and a first stopper portion 5-1 provided at the other axial end of the first shaft portion 5-3. The outer diameter of the first limiting part 5-1 is larger than that of the first shaft part 5-2, the first fixing part 5-3 is in threaded connection with the sliding part 2, the clamping part 3 is rotatably supported on the first shaft part 5-2 through a joint bearing 9, one end of the joint bearing 9 is abutted against the first limiting part 5-1, and a limiting spacer 10 is arranged between the other end of the joint bearing 9 and the sliding part 2. By the above arrangement, the clamping member 3 is rotatable about the first fixed shaft 5, enabling a rotational connection between the clamping member 3 and the slider 2.
As shown in fig. 8, the second fixing shaft 6 includes a second shaft portion 6-2, a second fixing portion 6-3 provided at one axial end of the second shaft portion 6-2, and a second stopper portion 6-1 provided at the other axial end of the second shaft portion 6-2. The outer diameter of the second limiting part 6-1 is larger than that of the second shaft part 6-2, the second fixing part 6-3 is in threaded connection with the sliding part 2, and the clamping part 3 is in clearance fit with the second limiting part 6-1 and the second shaft part 6-2. Specifically, the mounting hole 3-3 has a gap between the outer periphery of the second limiting portion 6-1 and the outer periphery of the second shaft portion 6-2, and in this example, the gap is set to 2mm, that is, the swingable range of the clamp 3 is 2mm.
A limiting step 3-3a matched with the second limiting part 6-1 is arranged in the mounting hole 3-3, and a gap is formed between the limiting step 3-3a and the second limiting part 6-1, and in this example, the gap is 0.1mm.
In this example, the sliding member 2 is slidably connected to the fixing member 1 via a rail assembly, where the rail assembly includes a guide rail 7 fixed on the sliding member 2 and a slider 8 fixed on the fixing member 1, and the slider 8 is slidably matched with the guide rail 7.
The utility model also discloses a grabbing device which comprises the locking mechanism, a driving piece arranged on the fixing piece 1 and a clamping jaw piece arranged on the sliding piece 2, wherein the sliding piece 2 is in transmission connection with the driving piece and slides along the fixing piece 1 under the driving of the driving piece. Preferably, the driving member is a cylinder,
the plurality of gripping devices are arranged on the annular base and can be used for clamping the tire assembly, and the gripping devices can improve the clamping precision and the transmission precision of the tire assembly and improve the production efficiency.
The working principle of the utility model is as follows:
the slider 2 slides and stretches out along the fixed part 1 under the drive of the driving piece, when the slider 2 is required to be locked, the clamping piece of the guide rail clamp 4 contacts with the clamping piece 3 after acting and clamps the clamping piece 3, if the clamping piece 3 and the guide rail component have a non-parallel problem, the guide rail clamp 4 can swing on the slider 2 in the process of locking the clamping piece 3, so that the guide rail clamp 4 is locked, and the abrasion of the guide rail clamp 4 and the clamping piece 3 is avoided.
In conclusion, the locking mechanism can reduce rubbing abrasion of the guide rail clamp and the clamping piece, prolongs the service life, and can improve the clamping precision and the production efficiency.
The above examples are provided for illustrating the technical concept and features of the present utility model and are not intended to limit the scope of the present utility model to those skilled in the art who can understand the present utility model and practice the same. All equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. A locking mechanism comprising:
a fixing member;
a slider slidably connected to the fixing member;
a locking assembly disposed between the securing member and the slider for effecting locking of the slider to the securing member, the locking assembly comprising:
the clamping piece is arranged on the sliding piece and extends along the sliding direction, a first end of the clamping piece is rotatably arranged on the sliding piece, and a second end of the clamping piece can swing and is limited on the sliding piece;
and the guide rail clamp is arranged on the fixed piece and used for clamping the clamping piece so as to limit the movement of the sliding piece on the fixed piece.
2. The locking mechanism of claim 1, wherein: the locking assembly further comprises a first fixed shaft and a second fixed shaft which are used for connecting the sliding piece with the clamping piece, the first end of the clamping piece is rotatably arranged on the sliding piece through the first fixed shaft, and the second end of the clamping piece is provided with a mounting hole in clearance fit with the second fixed shaft.
3. The locking mechanism of claim 2, wherein: the first fixing shaft comprises a first shaft part, a first fixing part arranged at one axial end of the first shaft part, and a first limiting part arranged at the other axial end of the first shaft part; the first fixing part is fixedly connected with the sliding part, the clamping part is rotatably supported on the first shaft part through a joint bearing, one end of the joint bearing is abutted to the first limiting part, and a limiting spacer bush is arranged between the other end of the joint bearing and the sliding part.
4. A locking mechanism as claimed in claim 3, wherein: the second fixed shaft comprises a second shaft part, a second fixed part arranged at one axial end of the second shaft part and a second limiting part arranged at the other axial end of the second shaft part, the second fixed part is fixedly connected with the sliding part, and the clamping part is in clearance fit with the second limiting part and the second shaft part.
5. The locking mechanism of claim 4, wherein: and a limiting step matched with the second limiting part is arranged in the mounting hole, and a gap is reserved between the limiting step and the second limiting part.
6. The locking mechanism of claim 1, wherein: the clamping piece comprises a rotating part and a clamping part, wherein the rotating part is rotationally connected with the sliding piece, and the clamping part is of a square shaft structure and is matched with the guide rail clamp.
7. The locking mechanism of claim 1, wherein: the sliding piece is connected with the fixing piece in a sliding way through the guide rail component.
8. The locking mechanism of claim 7, wherein: the guide rail assembly comprises a guide rail fixed on the sliding piece and a sliding block fixed on the fixed piece, and the sliding block is in sliding fit with the guide rail.
9. A gripping device, characterized in that: the locking mechanism of any one of claims 1 to 8, further comprising a driving member mounted on the fixing member and a jaw member mounted on the sliding member, wherein the sliding member is in driving connection with the driving member and slides along the fixing member under the driving of the driving member.
10. The grasping device according to claim 9, wherein: the driving piece is an air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320633561.XU CN220033282U (en) | 2023-03-28 | 2023-03-28 | Locking mechanism and grabbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320633561.XU CN220033282U (en) | 2023-03-28 | 2023-03-28 | Locking mechanism and grabbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220033282U true CN220033282U (en) | 2023-11-17 |
Family
ID=88744073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320633561.XU Active CN220033282U (en) | 2023-03-28 | 2023-03-28 | Locking mechanism and grabbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220033282U (en) |
-
2023
- 2023-03-28 CN CN202320633561.XU patent/CN220033282U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |