CN211760924U - Synchronous hold-down mechanism of location placed in middle - Google Patents
Synchronous hold-down mechanism of location placed in middle Download PDFInfo
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- CN211760924U CN211760924U CN201922218839.3U CN201922218839U CN211760924U CN 211760924 U CN211760924 U CN 211760924U CN 201922218839 U CN201922218839 U CN 201922218839U CN 211760924 U CN211760924 U CN 211760924U
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Abstract
The utility model discloses a middle positioning synchronous pressing mechanism, which comprises a support; the lower fixed disc is arranged on the support; the middle part of the bottom of the upper fixed disc is provided with a supporting circular table, the upper fixed disc is supported and fixed on the upper surface of the lower fixed disc through the supporting circular table, and the upper fixed disc is provided with a plurality of guide grooves; the rotary table is annular and is sleeved on the periphery of the supporting circular table, a plurality of strip eccentric grooves are formed in the circumferential direction of the rotary table, and a rotary handle is arranged on the outer side edge of the rotary table; the surface positioning block is fixed in the middle of the upper surface of the upper fixed disc; and each locking component comprises a sliding block, a pressure head and an eccentric groove sliding head, the sliding block is arranged in the guide groove in a sliding mode, the pressure head is fixed on the sliding block, and the eccentric groove sliding head is arranged at the bottom of the sliding block and arranged in the long-strip eccentric groove in a sliding mode. The utility model discloses a synchronous hold-down mechanism of location placed in the middle designs simply high-efficient, utilizes the carousel rotatory and drives the slide wedge link gear that rectangular eccentric groove and eccentric groove slip head are constituteed, can realize locking Assembly synchronous operation and location and self-holding in the middle of.
Description
Technical Field
The utility model belongs to the technical field of the automotive checking fixture, concretely relates to synchronous hold-down mechanism of location placed in middle.
Background
The special condition that the product needs to be centered and synchronously positioned is often met in the development and the use of the automobile testing tool, and the mode that a conical positioning pin is used is usually met. However, the traditional method has unstable positioning, is easy to wear and distort in positioning after long-term use, and is laborious for a user to operate. Therefore, a new positioning detection means or method is urgently needed to solve the special requirement.
SUMMERY OF THE UTILITY MODEL
Consequently, to fix a position unstably and operate hard technical problem among the prior art when car product fixes a position between two parties, the utility model aims to provide a fix a position stable and easy and simple to handle's synchronous hold-down mechanism of location between two parties.
The utility model discloses a synchronous hold-down mechanism of location placed in middle includes:
a support;
the lower fixed disc is arranged on the support;
the middle part of the bottom of the upper fixed disc is provided with a supporting circular truncated cone protruding downwards, the upper fixed disc is supported and fixed on the lower fixed disc through the supporting circular truncated cone, and the part of the upper fixed disc, which is positioned on the periphery of the supporting circular truncated cone, is provided with a plurality of guide grooves pointing to the axis;
the rotary table is annular and sleeved on the periphery of the supporting circular table, so that the rotary table is rotatably assembled between the lower fixed disc and the upper fixed disc, a plurality of strip eccentric grooves are formed in the rotary table along the circumferential direction, the strip eccentric grooves gradually draw close to the axis from one end to the other end, and a rotating handle is arranged on the outer side edge of the rotary table;
the surface positioning block is fixed in the middle of the upper surface of the upper fixed disc;
the locking assemblies comprise sliding blocks, pressure heads and eccentric groove sliding heads, the sliding blocks are arranged in the guide grooves in a sliding mode, the pressure heads are fixed on the sliding blocks, and the eccentric groove sliding heads are arranged at the bottoms of the sliding blocks and are arranged in the long eccentric grooves in a sliding mode.
Preferably, the bottom of the support is a square flat plate, and the upper part of the support is cylindrical. This design is more convenient to fix and assemble.
Preferably, a bearing is installed in the support, and a rotating shaft is arranged at the bottom of the lower fixed disc and is tightly matched with the support through the bearing. The design enables the components above the lower fixed plate to rotate, and has high flexibility in assembly.
Preferably, a limiting block is fixed on the outer side of the upper part of the support, and a waist-shaped groove is formed in the lower surface of the lower fixed disc and used for accommodating the top of the limiting block. The arrangement of the limiting block can limit the lower fixed disc, the upper fixed disc and a product on the upper fixed disc after being assembled, so that rotation is avoided.
Preferably, the number of the long eccentric grooves and the number of the locking assemblies are three.
Preferably, a groove is formed in the middle of the upper surface of the upper fixed disc and used for accommodating the surface positioning block, and a plurality of primary positioning blocks are arranged on the upper fixed disc and located around the surface positioning block.
Preferably, the pressure head is fixed on the sliding block through a shoulder screw and an elastic gasket.
Preferably, the guide groove is in a step shape, the upper layer is narrow, and the lower layer is wide; the sliding blocks are correspondingly step-shaped.
Preferably, an L-shaped safety stop block is arranged on the sliding block. The safety stop block can prevent dust or other impurities from falling into the guide groove, and the whole mechanism is ensured to run smoothly.
Preferably, the circumference of the surface positioning block is provided with a positioning bulge corresponding to the position of the pressure head.
Preferably, the eccentric groove sliding head is a small bearing and is rotatably mounted at the bottom of the sliding block through a small rotating shaft. The eccentric groove sliding head is designed into a small bearing, and can rotate when sliding in the long-strip eccentric groove to effectively reduce the loss caused by friction.
The beneficial effects of the utility model reside in that:
in the middle positioning synchronous pressing mechanism of the utility model, the surface positioning block can be used for placing products, and the handle can rotate the turntable, when the turntable rotates, the eccentric groove sliding head can gradually approach to the axle center through the wedge linkage mechanism consisting of the strip eccentric groove and the eccentric groove sliding head, so that the whole locking assembly slides to the axle center along the guide groove, all the locking assemblies synchronously run, all the pressure heads synchronously and centripetally move, and the products are positioned in the middle and automatically clamped;
the utility model discloses a synchronous hold-down mechanism of location placed in middle designs simply high-efficient, and can adopt the standard component that easily adopts on the market and purchase to improve the overall cost and the later maintenance replacement expense of mechanism, improve inspector's work efficiency.
Drawings
Fig. 1 and fig. 2 are schematic perspective views of the centering positioning synchronous pressing mechanism of the present invention;
fig. 3 is a schematic split view of the centering positioning synchronous pressing mechanism of the present invention;
fig. 4 and 5 are schematic diagrams of the middle positioning synchronous pressing mechanism of the present invention after the upper fixed plate is removed;
fig. 6 is the utility model discloses the synchronous hold-down mechanism's of location placed in the middle cross-sectional view.
Reference numerals
01-support 02-rotating shaft 03-locking nut
04-bearing 05-sealing ring 06-upper fixed disc
07-rotating disc 08-lower fixed disc 09-surface positioning block
10-handle 11-limiting block 12-initial positioning block
13-slide block 14-eccentric groove slide head 15-safety stop block
16-pressure head 17-shoulder screw 18-elastic gasket
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.
Example 1
Fig. 1 and 3 show a synchronous pressing mechanism for centering positioning according to a preferred embodiment of the present invention, which includes: a support 01, a lower fixed disc 06, a rotary disc 07, an upper fixed disc 08 and a locking assembly.
The support 01 is of a through structure, the bottom of the support is a square flat plate, and the upper part of the support is cylindrical.
The lower fixed disc 06 is arranged on the support 01; specifically, a bearing 04 is installed in the support 01, a rotating shaft 02 is arranged at the bottom of the lower fixed disc 06, and the rotating shaft 02 is tightly matched with the support 01 through the bearing 04 and locked through a locking nut 03; the lower fixed disc 06 and the support 01 are sealed through a sealing ring 05. The locking nut 03 can adopt a standard part sold in the market, the reference brand is FAG, the bearing 04 is a bearing fixing standard part, and the reference brand is Hiwin.
A supporting circular truncated cone 081 protruding downwards is arranged in the middle of the bottom of the upper fixed disc 08, and the upper fixed disc 08 is supported and fixed on the upper surface of the lower fixed disc 06 through the supporting circular truncated cone 081; the part of the upper fixed disc 08, which is positioned at the periphery of the supporting round table 081, is provided with three guide grooves 082 pointing to the axis, wherein the guide grooves 082 are in a step shape, and the upper layer is narrow and the lower layer is wide; the middle part of the upper surface of the upper fixed disc 08 is provided with a groove for accommodating a surface positioning block 09; the circumference of the surface positioning block 09 is provided with a positioning bulge corresponding to the position of the guide groove 082; three primary positioning blocks 12 are further arranged on the upper fixed disc 08 around the surface positioning block 09.
The turntable 07 is annular and is fitted around the outer periphery of the support boss 081, and is thus rotatably fitted between the lower fixed plate 06 and the upper fixed plate 08. As shown in fig. 4 and 5, the turntable 07 is provided with three strip eccentric grooves 071 along the circumferential direction, the strip eccentric grooves 071 gradually get close to the axis from one end to the other end, and a rotating handle 10 is provided at the outer side of the turntable 07.
A limiting block 11 is fixed on the outer side of the upper part of the support 01, and a waist-shaped groove for accommodating the top of the limiting block 11 is formed in the lower surface of the lower fixed disc 06. The arrangement of the limiting block 11 can limit the lower fixed plate, the upper fixed plate and products above the upper fixed plate after being assembled, so that rotation is avoided.
The number of the locking assemblies is three, and each locking assembly comprises a sliding block 13, an eccentric groove sliding head 14, a safety stop 15 and a pressure head 16. The slide block 13 is arranged in the guide groove 082 in a sliding way and is in a corresponding step shape; the eccentric groove sliding head 14 is installed at the bottom of the sliding block 13 and is slidably fitted in the long eccentric groove 172, preferably, as shown in fig. 6, the eccentric groove sliding head 14 is a small bearing and is rotatably installed at the bottom of the sliding block 13 through a small rotating shaft; the safety block 15 is fixed on the sliding block 13 in an L shape, and the pressure head 16 is fixed on the safety block 15 through a shoulder screw 17 and an elastic gasket 18.
In actual operation, the lower portion of the support 01 may be fixed to the corresponding substrate by two pins passing through the holes, thereby fixing the entire mechanism. Place the product and carry out the location of horizontal direction on face locating piece 09, the effect of preliminary location in the middle can be played to first locating piece 12, then rotate handle 10, make carousel 07 rotate, slide wedge link gear through rectangular eccentric groove 071 and eccentric groove slider 14 constitution, eccentric groove slider 14 can be close to the axle center gradually, and then make whole locking component slide to the axle center along guide slot 082, and all locking component synchronous operation, the synchronous centripetal motion of all pressure heads 16, fix a position in the middle and self-holding to the product. When the handle needs to be loosened, the handle only needs to be rotated reversely.
While the preferred embodiments of the present invention have been described in detail, it will be understood that the invention is not limited thereto, and that various modifications and substitutions of equivalents may be made by those skilled in the art without departing from the scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a synchronous hold-down mechanism of centering location which characterized in that, it includes:
a support;
the lower fixed disc is arranged on the support;
the middle part of the bottom of the upper fixed disc is provided with a supporting circular truncated cone protruding downwards, the upper fixed disc is supported and fixed on the lower fixed disc through the supporting circular truncated cone, and the part of the upper fixed disc, which is positioned on the periphery of the supporting circular truncated cone, is provided with a plurality of guide grooves pointing to the axis;
the rotary table is annular and sleeved on the periphery of the supporting circular table, so that the rotary table is rotatably assembled between the lower fixed disc and the upper fixed disc, a plurality of strip eccentric grooves are formed in the rotary table along the circumferential direction, the strip eccentric grooves gradually draw close to the axis from one end to the other end, and a rotating handle is arranged on the outer side edge of the rotary table;
the surface positioning block is fixed in the middle of the upper surface of the upper fixed disc;
the locking assemblies comprise sliding blocks, pressure heads and eccentric groove sliding heads, the sliding blocks are arranged in the guide grooves in a sliding mode, the pressure heads are fixed on the sliding blocks, and the eccentric groove sliding heads are arranged at the bottoms of the sliding blocks and are arranged in the long eccentric grooves in a sliding mode.
2. The centrally located synchronous compression mechanism of claim 1, wherein the base of the support is a square plate and the upper portion is cylindrical.
3. The centered synchronous pressing mechanism according to claim 2, wherein a bearing is installed in the support, and a rotating shaft is arranged at the bottom of the lower fixed disc and is tightly matched with the support through the bearing.
4. The centrally-located synchronous pressing mechanism according to claim 2, wherein a limiting block is fixed on the outer side of the upper portion of the support, and a waist-shaped groove is formed in the lower surface of the lower fixed disc and used for accommodating the top of the limiting block.
5. The centrally located synchronous compression mechanism of claim 1, wherein the number of elongated eccentric slots and the number of locking assemblies are three.
6. The centrally located synchronous clamping mechanism according to claim 1 wherein said upper stationary plate has a recess in the middle of its upper surface for receiving said surface locating block, and said upper stationary plate has a plurality of primary locating blocks positioned around said surface locating block.
7. The centrally located synchronous compression mechanism as claimed in claim 1, wherein the ram is secured to the slide by a shoulder screw and a resilient washer.
8. The centrally located synchronous compaction mechanism according to claim 1, wherein the guide slots are stepped, narrow at the upper level and wide at the lower level; the sliding blocks are also in a corresponding step shape; and an L-shaped safety stop block is arranged on the sliding block.
9. The centered synchronous pressing mechanism according to claim 1, wherein a positioning protrusion is provided on the circumference of the surface positioning block corresponding to the position of the pressing head.
10. The centrally located synchronous clamping mechanism according to claim 1 wherein said eccentric slot slider is a small bearing and is rotatably mounted to the bottom of said slider by a small shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922218839.3U CN211760924U (en) | 2019-12-12 | 2019-12-12 | Synchronous hold-down mechanism of location placed in middle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922218839.3U CN211760924U (en) | 2019-12-12 | 2019-12-12 | Synchronous hold-down mechanism of location placed in middle |
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| Publication Number | Publication Date |
|---|---|
| CN211760924U true CN211760924U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922218839.3U Active CN211760924U (en) | 2019-12-12 | 2019-12-12 | Synchronous hold-down mechanism of location placed in middle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441962A (en) * | 2021-07-09 | 2021-09-28 | 江苏行星重载齿轮箱有限公司 | A fix a position frock fast for processing planet carrier |
-
2019
- 2019-12-12 CN CN201922218839.3U patent/CN211760924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441962A (en) * | 2021-07-09 | 2021-09-28 | 江苏行星重载齿轮箱有限公司 | A fix a position frock fast for processing planet carrier |
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