CN113579988A

CN113579988A - Adjustable bracket

Info

Publication number: CN113579988A
Application number: CN202111024313.7A
Authority: CN
Inventors: 沈浩
Original assignee: Jiangsu Keji Precision Machinery Co ltd
Current assignee: Jiangsu Keji Precision Machinery Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2021-11-02

Abstract

The invention relates to an adjustable bracket which comprises a base, a V-shaped cushion block, two supporting arms and a supporting arm telescopic adjusting mechanism, wherein the inner ends of the two supporting arms are respectively arranged in supporting seats at two sides on the base through rotating shafts, the outer ends of the two supporting arms are respectively connected with the supporting arm telescopic adjusting mechanism arranged at two sides of the base, the middle of the two supporting arms is connected with an intermediate shaft through a guide groove, the V-shaped cushion block is fixedly connected to the upper surface of the outer end of each supporting arm, and the two supporting arms are respectively used for adjusting the up-and-down telescopic positions of the two supporting arms through the supporting arm telescopic adjusting mechanism, so that the two supporting arms are opened and closed for processing cylinder holes with various diameters, and the center of the cylinder hole and the center of a processing tool are on the same axis. According to the adjustable bracket provided by the invention, the upper and lower positions of the screw rod are adjusted, so that the two support arms vertically ascend and descend and other parts are matched, the cylinder holes are quickly adjusted and locked, the cylinder holes are not loosened, the machining precision is achieved, and the machining efficiency can be improved.

Description

Adjustable bracket

Technical Field

The present invention relates to a machined bracket, and more particularly to an adjustable bracket.

Background

In the prior deep hole processing honing machine, the centers of a cylinder hole and a honing rod are adjusted by singly upwards and downwards two lead screws, so that once a cylinder hole with high processing precision or heavier weight is required, the lead screws are not locked tightly and shake, the outer diameter of the cylinder hole is too large, and after a chain on the lead screws is locked, the lead screws can also resonate to influence the precision, thereby influencing the processing efficiency.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present invention provides an adjustable bracket with stable locking function and improved stability, which can improve the processing efficiency.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a regulation formula bracket, includes base, V type cushion, two support arms, the flexible adjustment mechanism of support arm, two support arm inner are installed in the supporting seat of both sides above the base through the axis of rotation respectively, and the support arm flexible adjustment mechanism of installing in the base both sides is connected respectively to the outer end, connects the jackshaft through the guide way in the middle of two support arms, fixedly connected with V type cushion above the support arm outer end, two support arms are respectively through the flexible adjustment mechanism of support arm adjust two support arm upper and lower telescopic position to make two support arms open and fold, be used for processing the jar hole of various diameters, and make jar hole center and machining tool's center at same axis.

Further, the support arm telescopic adjusting mechanism comprises a screw, a nut, a screw mounting seat and a shaft, the screw mounting seat is hinged to the support arm through the shaft, the lower surface of the screw mounting seat is connected with the nut through the screw, and the nut is hinged to the base through a pin shaft.

Furthermore, cylinder hole locking mechanisms are further mounted on the two supporting arms and used for fixing the position of the cylinder hole to be machined.

Further, cylinder hole locking mechanism includes load wheel, load axle, chain cassette, chain checkpost, chain locking mechanism, locking chain, two the load wheel is installed on two support arms through the load axle respectively, wherein, installs a chain locking mechanism on the outer terminal surface of a support arm, installs a chain cassette and chain checkpost on the outer terminal surface of another support arm, locking chain one end is connected with chain locking mechanism, and two load wheels are walked around to another, pass the chain checkpost, cover and wind back chain locking mechanism behind the cylinder hole and lock to it is fixed with the cylinder hole.

Further, chain locking mechanism includes chain locking seat, chain locking lead screw, chain locking screw, locking handle, chain locking seat passes through bolt fixed connection on the support arm, connect chain locking lead screw through chain locking screw in the chain locking seat, chain locking lead screw connection locking chain.

Further, the adjustable bracket is installed on the honing machine.

Furthermore, the adjustable bracket is matched and fixedly connected with an iron plate above the track on the honing machine through a pressing plate arranged below the base.

Furthermore, the base of the adjusting bracket and an iron plate above the track of the honing machine are matched with each other to be provided with hole sites for conveniently corresponding to the cylinder holes with different lengths, and the adjusting bracket is positioned at a stable position by adjusting the position of the base, so that the cylinder holes are ensured not to incline in the machining process.

The invention has the beneficial effects that:

according to the adjustable bracket provided by the invention, the upper and lower positions of the screw rod are adjusted, so that the two support arms vertically ascend and descend and other parts are matched, the cylinder holes are quickly adjusted and locked, the cylinder holes are not loosened, the machining precision is achieved, and the machining efficiency can be improved.

Drawings

FIG. 1 is a schematic side view of a side workpiece mounting arrangement according to an embodiment of the invention;

FIG. 2 is a schematic perspective view of an embodiment of the present invention;

FIG. 3 is a front cross-sectional view of a structure of an embodiment of the present invention;

FIG. 4 is a structural cross-sectional view of an embodiment of the present invention;

FIG. 5 is a top view of a structure according to an embodiment of the present invention;

FIG. 6 is a schematic view of a chain lock and cylinder hole fixed connection structure according to an embodiment of the present invention.

Detailed Description

The following description will be provided in detail with reference to the accompanying drawings, which are not intended to limit the present invention, and all similar structures and similar variations using the present invention shall fall within the scope of the present invention.

As shown in fig. 1 to 6, an adjustable bracket comprises a base 1, a wide arm rotating shaft 2, a wide arm 3, a narrow arm 4, a V-shaped cushion block 5, a screw 6, a nut 7, a wide arm screw mounting seat 8, a long shaft 9, a chain clamping seat 10, a chain clamp 11, a wide load wheel 12, a wide wheel load shaft 13, a narrow arm rotating shaft 14, a narrow load wheel 15, a narrow wheel load shaft 16, a chain locking screw 17, a chain locking nut 18, a locking handle 19, a chain locking seat 20, a narrow arm screw mounting seat 21, a short shaft 22, a pressing plate 23, a middle shaft 24 and a locking chain B1.

Fixing a base 1 on a machine tool body, installing a narrow arm 4 on the base 1 through a narrow arm rotating shaft 14, installing a wide arm 3 on the base 1 through a wide arm rotating shaft 2, installing a lead screw 6, a long shaft 9 and a wide arm lead screw installing seat 8 on the base 1 through a nut 7, installing the lead screw 6, a short shaft 22 and a narrow arm lead screw installing seat 21 on the base 1 through the nut 7, installing two V-shaped cushion blocks 5 on the wide arm 3 and the narrow arm 4, one of the left and the right to form a connecting body for placing a cylinder hole, installing a locking handle 19, a chain locking nut 18 and a chain locking lead screw 17 on the narrow arm 4 to rotate and lock a chain B1 so as to fix the cylinder hole, installing a chain clip 11 and a chain clip seat 10 on the wide arm 3 for penetrating a chain, installing a wide wheel load shaft 13, a wide load wheel 12, a narrow wheel load shaft 16 and a narrow load wheel 15 on the wide arm 3 and the narrow arm 3 respectively, In the narrow arm 4 preformed hole, conveniently adjust or lock chain B1, the clamp plate 23 is for fixed with the effect of base 1 with the lathe bed, the jackshaft 24 is adjusted and is locked wide arm 3, the upper and lower position of narrow arm 4, the effect in the fixed cylinder hole of locking chain B1.

As shown in fig. 6, since fig. 3, 4 and 5 cannot show details of fixing the cylinder holes, it is shown in fig. 6 that the chain clip 11 is installed in the chain clip seat 10 and then fixed on the two wide arms 3 integrally through screws, one end of the chain B1 is connected with the chain locking screw 17 to wind around two load shafts, passes through the two chain clips 11, covers the cylinder holes, winds back to the chain and locks, thereby fixing the cylinder holes, and the upper right small figure is a sectional view of the installation of the chain locking screw 18 and the chain locking screw 17.

In the embodiment of the invention, the cylinder hole, the movable bracket and the honing machine body are integrated by quickly locking the cylinder hole through the chain by the roller, so that the cylinder hole is stable in processing and does not deviate, the processing precision is achieved, the centers of the cylinder hole and the honing tool are stably and effectively adjusted through the design of the wide arm and the narrow arm, and more types of cylinder holes can be processed in a covering manner.

Claims

1. An adjustable bracket, comprising: including base, V type cushion, two support arms, the flexible adjustment mechanism of support arm, two support arm inner are installed in the supporting seat of both sides above the base through the axis of rotation respectively, and the outer end is connected respectively and is installed the flexible adjustment mechanism of support arm in the base both sides, connects the jackshaft through the guide way in the middle of two support arms, fixedly connected with V type cushion above the support arm outer end, two support arms are respectively through the flexible adjustment mechanism of support arm and adjust two support arm telescopic position from top to bottom to make two support arms open and fold, be used for processing the jar hole of various diameters, and make jar hole center and machining tool's center at same axis.

2. The adjustable bracket according to claim 1, wherein: the support arm telescopic adjusting mechanism comprises a screw rod, a screw nut, a screw rod mounting seat and a shaft, wherein the screw rod mounting seat is hinged to the support arm through the shaft, the screw nut is connected to the lower surface of the screw rod mounting seat through the screw rod, and the screw nut is hinged to the base through a pin shaft.

3. The adjustable bracket according to claim 1, wherein: and cylinder hole locking mechanisms are further mounted on the two supporting arms and used for fixing the position of the processing cylinder hole.

4. The adjustable bracket according to claim 3, wherein: the cylinder hole locking mechanism comprises a load wheel, a load shaft, a chain clamping seat, a chain clamp, a chain locking mechanism and a locking chain, wherein the load wheel is installed on the two supporting arms through the load shaft respectively, the chain locking mechanism is installed on the outer end face of one supporting arm, the chain clamping seat and the chain clamp are installed on the outer end face of the other supporting arm, one end of the locking chain is connected with the chain locking mechanism, the other end of the locking chain bypasses the two load wheels, penetrates through the chain clamp, covers the cylinder hole and then bypasses the chain locking mechanism for locking, and therefore the cylinder hole is fixed.

5. The adjustable bracket according to claim 4, wherein: chain locking mechanism includes chain locking seat, chain locking lead screw, chain locking screw, locking handle, chain locking seat passes through bolt fixed connection on the support arm, connect chain locking lead screw through chain locking screw in the chain locking seat, chain locking lead screw connection locking chain.

6. The adjustable bracket according to claim 1, wherein: the adjustable bracket is installed on the honing machine.

7. The adjustable bracket according to claim 1, wherein: the adjustable bracket is fixedly connected with an iron plate above the track on the honing machine in a matched manner through a pressing plate arranged below the base.

8. The adjustable bracket according to claim 7, wherein: the base of the adjusting bracket and an iron plate above the track of the honing machine are matched with each other to be provided with hole sites for conveniently corresponding to cylinder holes with different lengths, and the adjusting bracket is positioned at a stable position by adjusting the position of the base, so that the cylinder holes are ensured not to incline in the machining process.