CN218255318U - Device is tailor to heat insulation layer - Google Patents

Abstract

The utility model relates to a device is tailor to heat insulation layer, including hand wheel subassembly, screw rod, the tight piece of clamp, clamping link assembly, holding ring, connecting rod, spacing board subassembly, pin, cutting tool, extension spring, barrel, heat insulation layer and lock nut, the screw rod is through clamping link assembly and hand wheel subassembly fixed connection, lock nut will press from both sides tight piece and barrel locking through clamping link assembly, the holding ring is connected with the limiting plate subassembly through the connecting rod, cutting tool fixes on the limiting plate subassembly right side through pin and extension spring, the heat insulation layer bonds at the barrel inner wall. The utility model adopts the technical proposal, the cutting blade with accurate size is attached to the heat insulating layer for cutting, so as to achieve the required product size requirement; the device has the advantages of simple structure, accurate positioning, convenient use, reasonable design, convenience in manufacture and cost saving; the heat insulation layer can be cut in place at one time, and the purposes of liberating manpower and saving time are achieved.

Description

Device is tailor to heat insulation layer

Technical Field

The utility model relates to a tailor technical field, especially relate to a device is tailor to heat insulation layer.

Background

The inner heat insulation layer of the solid rocket engine shell comprises a simple straight line section, a front sealing head section and a rear sealing head section. The inner heat insulation layer of the solid rocket engine is a thermal protection material positioned between the inner surface of the shell and the propellant, and can take away most heat through the continuous decomposition and ablation of the inner heat insulation layer to slow down the propagation speed of the high temperature of the fuel gas to the shell, so that the temperature of the engine shell which crises the structural integrity of the engine shell is avoided in the environment of high-temperature and high-pressure fuel gas, and the normal work of the engine is ensured.

At present, the cutting of the heat insulating layer of the solid rocket engine is still a manual operation mode, the reference marking is firstly found before cutting, the operation mode has low efficiency, narrow and complex operation space, time and labor waste, inaccurate positioning and difficult control of dimensional tolerance, and the heat insulating layer is hard to cut off by workers at one time during operation, the cutting speed is low and the cutter replacement frequency is high.

Disclosure of Invention

The technical problem to be solved by the utility model

The utility model provides a device is tailor to heat insulation layer to solve the work efficiency that current manual work mode of tailorring brought low, fix a position inaccurate scheduling problem.

In order to solve the technical problem the utility model adopts the technical scheme

The utility model provides a pair of device is tailor to heat insulation layer, including hand wheel subassembly, screw rod, the tight piece of clamp, clamping link assembly, holding ring, connecting rod, spacing board subassembly, pin, cutting tool, extension spring, the barrel, heat insulation layer and lock nut, the screw rod is through clamping link assembly and hand wheel subassembly fixed connection, lock nut will press from both sides tight piece and barrel locking through clamping link assembly, the holding ring is connected with the limiting plate subassembly through the connecting rod, cutting tool fixes on the limiting plate subassembly right side through pin and extension spring, the heat insulation layer bonds at the barrel inner wall.

Further, the hand wheel assembly comprises a hand wheel, a fixing ring I and four reinforcing rods, and the hand wheel is fixedly connected with the fixing ring I through the four reinforcing rods.

Furthermore, the inner arc surface of the clamping block is equal to the outer diameter of the cylinder, and the outer arc surface of the clamping block is processed into a plane.

Furthermore, the clamping connecting rod assembly comprises four clamping connecting rods and a fixing ring II, the four clamping connecting rods and the fixing ring II are welded and fixed at 90 degrees, and threads are processed on the clamping connecting rods.

Furthermore, the locating ring centre bore is the screw hole, and cooperatees with the screw thread on the screw rod, and processing has four connecting rod fixed orificess on the locating ring, and four connecting rod fixed orifices become 90 distributions, and processing has four quadrants to the line on the locating ring, and four quadrants are to the line and are become 45 distributions with the fixed orifices central line.

Furthermore, four viewing windows are arranged on the positioning ring and are distributed at 90 degrees.

Furthermore, the limiting plate assembly comprises a limiting plate and a limiting sliding groove, the limiting sliding groove is fixed on the limiting plate, the limiting sliding groove is distributed in an angle of 90 degrees, and a pin mounting hole I is formed in the limiting sliding groove.

Furthermore, the cutting tool is T-shaped, one end of the cutting tool is a cutting blade, the peripheral surface of the cutting tool is a 75-degree inclined plane, the other end of the cutting tool is a tool conical surface which forms an angle of 60 degrees with the central line and is consistent with the angle of the conical surface of the screw, and a pin mounting hole II is formed in the cutting tool.

Furthermore, the heat insulation layer is adhered to the inner wall of the cylinder body, four dovetail grooves are formed in the heat insulation layer after the heat insulation layer is cut by a cutting tool, and the central line of each dovetail groove is provided with a quadrant symbol correspondingly and distributed at 90 degrees.

Furthermore, the straight line section of the screw is provided with threads, and one end of the screw forms a conical surface of 60 degrees with the central line.

The beneficial effects of the utility model

The utility model adopts the technical proposal, the cutting blade with accurate size is attached to the heat insulating layer for cutting, so as to achieve the required product size requirement; the device has the advantages of simple structure, accurate positioning, convenient use, reasonable design, convenience in manufacture and cost saving; the heat insulation layer can be cut in place at one time, and the purposes of liberating manpower and saving time are achieved.

Drawings

FIG. 1: the structure schematic diagram of the heat insulation layer cutting device;

FIG. 2 is a schematic diagram: the locking structure is schematically shown;

FIG. 3: a structural schematic diagram of a hand wheel assembly;

FIG. 4: the clamping connecting rod component is schematic in structure;

FIG. 5: the structure of the positioning ring is shown schematically;

FIG. 6: a schematic structural diagram of a limiting plate assembly;

FIG. 7 is a schematic view of: a schematic structural diagram of a cutting tool;

FIG. 8: the heat insulation layer cuts the rear end structure schematic diagram.

In the figure: 1-hand wheel assembly, 2-screw, 3-clamping block, 4-clamping link assembly, 5-locating ring, 6-connecting rod, 7-limiting plate assembly, 8-pin, 9-cutting tool, 10-tension spring, 11-cylinder, 12-thermal insulation layer, 13-lock nut, 101-hand wheel, 102-fixing ring I, 103-reinforcing rod, 401-clamping connecting rod, 402-fixing ring II, 501-view window, 502-connecting rod fixing hole, 503-threaded hole, 504-quadrant alignment line, 701-limiting plate, 702-limiting chute, 703-pin mounting hole I, 901-tool conical surface, 902-pin mounting hole II, 903-cutting blade, 1201-dovetail groove, 1202-quadrant symbol.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

The heat insulation layer cutting device shown in fig. 1 to 7 comprises a hand wheel assembly 1, a screw rod 2, a clamping block 3, a clamping connecting rod assembly 4, a positioning ring 5, a connecting rod 6, a limiting plate assembly 7, a pin 8, a cutting tool 9, a tension spring 10, a cylinder 11, a heat insulation layer 12 and a locking nut 13.

The hand wheel assembly 1 comprises a hand wheel 101, a fixing ring I102 and a reinforcing rod 103; and the hand wheel 101, the fixing ring I102 and the four reinforcing rods 103 are welded and fixed together.

The straight line section of the screw rod 2 is provided with threads; one end of the screw rod 2 forms a conical surface of 60 degrees with the central line.

The inner arc surface of the clamping block 3 is equal to the outer diameter of the cylinder 11, so that the arc surfaces of the clamping block and the cylinder can be ensured to be closely matched; the outer arc surface of the clamping block 3 is processed into a plane, the plane is provided with holes, four clamping connecting rods 401 respectively and correspondingly penetrate through the holes on the four clamping blocks 3, and then the clamping block 3 and the cylinder 11 are locked through the clamping connecting rods 401 by using locking nuts 13.

The clamping link assembly 4 comprises four clamping links 401 and a fixing ring II402; four clamping connecting rods 401 and a fixing ring II402 are welded and fixed together at an angle of 90 degrees; the clamping link 401 is threaded to cooperate with the locking nut 13.

The central hole of the positioning ring 5 is a threaded hole 503 and is matched with the thread on the screw rod 2 for use; four viewing windows 501 are processed on the positioning ring 5, the four viewing windows 501 are distributed at 90 degrees, and the alignment condition between the cutting tool 9 and the heat-insulating layer 12 can be clearly seen through the viewing windows 501; four connecting rod fixing holes 502 are processed on the positioning ring 5, and the four connecting rod fixing holes 502 are distributed at 90 degrees; four quadrant diagonal lines 504 are processed on the positioning ring 5, and the four quadrant diagonal lines 504 and the center line of the connecting rod fixing hole 502 are distributed at an angle of 45 degrees.

The limiting plate component 7 comprises a limiting plate 701 and a limiting sliding groove 702, the limiting sliding groove 702 is fixed on the limiting plate 701, the limiting sliding groove 702 is distributed on the limiting plate 701 at an angle of 90 degrees, a pin mounting hole I703 is formed in the limiting sliding groove 702 and is a threaded hole, and a pin 8 is fixed on the pin mounting hole I703 and is used for being connected with one end of the tension spring 10.

The cutting tool 9 is in a T shape, one end of the cutting tool is provided with a cutting blade 903, the cutting blade 903 is in a dovetail groove 1201 shape, and the peripheral surface of the cutting blade is a 75-degree inclined surface; the other end of the cutting tool 9 is a tool conical surface 901 which forms an angle of 60 degrees with the central line and is consistent with the conical surface angle of the screw rod 2; and a pin mounting hole II902 which is a threaded hole is formed in the cutting tool 9, and a pin 8 is fixed in the pin mounting hole II902 and is used for connecting the other end of the tension spring 10.

The tension spring 10 is used for connecting the limiting sliding groove 702 and the cutting tool 9, and the cutting tool 9 can be retracted through the tension spring 10 after cutting is finished, so that the safety of workers and the cutting edge can be effectively protected.

The heat insulation layer 12 is adhered to the inner wall of the cylinder body 11, and four dovetail grooves 1201 are formed after the heat insulation layer 12 is cut; a quadrant symbol 1202 is corresponding to the centerline of each dovetail groove 1201, and the four dovetail grooves 1201 are distributed at 90 degrees.

When the screw rod 2 is installed, the screw rod 2 firstly penetrates through the positioning ring 5 and the clamping connecting rod assembly 4, and then the screw rod 2 and the hand wheel assembly 1 are welded and fixed together; the screw 2, the positioning ring 5 and the clamping connecting rod assembly 4 are welded and assembled and then are welded and fixed with the limiting plate assembly 7 through the connecting rod 6; the cutting tool 9 passes through the limiting chute 702 of the limiting plate 701, so that the cutting tool 9 can move freely in the limiting chute 702.

The utility model discloses a concrete working process as follows:

firstly, a heat insulation layer cutting device extends into a barrel body 11, quadrant alignment lines 504 on a positioning ring 5 are aligned with corresponding quadrant alignment lines on the barrel body 11, then four clamping blocks 3 respectively penetrate through corresponding clamping connecting rods 401, and the clamping blocks 3 and the barrel body 11 are locked through threaded matching between four locking nuts 13 and the four clamping connecting rods 401; secondly, clockwise rotation hand wheel subassembly 1, drive screw rod 2 linear motion until with the cutter conical surface 901 on the cutting tool 9 contacts, continue clockwise rotation hand wheel subassembly 1, drive screw rod 2 and continue rectilinear motion forward, along with the conical surface of screw rod 2 front end and cutter conical surface 901 coincide angle grow more and more, thereby drive four cutting tool 9 respectively along the slip of corresponding spacing spout 702, when four cutting tool 9 touch heat insulation layer 12, continue hard clockwise rotation hand wheel subassembly 1, until cutting out the dovetail 1201 shape on heat insulation layer 12, anticlockwise rotation hand wheel subassembly 1 after the cutting is accomplished, drive screw rod 2 linear motion until with leave between the cutter conical surface 901 on the cutting tool 9, under the effect of extension spring 10, withdraw four cutting tool 9 along corresponding spacing spout 702, thereby accomplish a endless cutting.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a device is tailor to heat insulation layer which characterized in that: including hand wheel assembly, screw rod, clamp tight piece, clamping connection pole subassembly, holding ring, connecting rod, spacing board subassembly, pin, cutting tool, extension spring, barrel, heat insulation layer and lock nut, the screw rod is through clamping connection pole subassembly and hand wheel assembly fixed connection, lock nut will press from both sides tight piece and barrel locking through clamping connection pole subassembly, the holding ring is connected with the limiting plate subassembly through the connecting rod, cutting tool fixes on limiting plate subassembly right side through pin and extension spring, the heat insulation layer bonds at the barrel inner wall.

2. The thermal insulation layer cutting device according to claim 1, wherein: the hand wheel assembly comprises a hand wheel, a fixing ring I and four reinforcing rods, and the hand wheel is fixedly connected with the fixing ring I through the four reinforcing rods.

3. The thermal insulation layer cutting device according to claim 1, wherein: the inner arc surface of the clamping block is equal to the outer diameter of the cylinder, and the outer arc surface of the clamping block is processed into a plane.

4. The device for cutting a thermal insulation layer according to claim 1, wherein: the clamping connecting rod assembly comprises four clamping connecting rods and a fixing ring II, the four clamping connecting rods and the fixing ring II are welded and fixed at 90 degrees, and threads are processed on the clamping connecting rods.

5. The device for cutting a thermal insulation layer according to claim 1, wherein: the locating ring centre bore is the screw hole, and cooperatees with the screw thread on the screw rod, and processing has four connecting rod fixed orificess on the locating ring, and four connecting rod fixed orifices become 90 distributions, and processing has four quadrants to the line on the locating ring, and four quadrants are to the line and are become 45 distributions with the fixed orifices central line.

6. The device for cutting a thermal insulation layer according to claim 5, wherein: four viewing windows are arranged on the positioning ring and are distributed at 90 degrees.

7. The device for cutting a thermal insulation layer according to claim 1, wherein: the limiting plate assembly comprises a limiting plate and a limiting sliding groove, the limiting sliding groove is fixed on the limiting plate, the limiting sliding groove is distributed at 90 degrees, and a pin mounting hole I is formed in the limiting sliding groove.

8. The device for cutting a thermal insulation layer according to claim 1, wherein: the cutting tool is T-shaped, one end of the cutting tool is a cutting blade, the peripheral surface of the cutting tool is a 75-degree inclined plane, the other end of the cutting tool is a tool conical surface which forms an angle of 60 degrees with the central line and is consistent with the angle of the screw conical surface, and a pin mounting hole II is formed in the cutting tool.

9. The thermal insulation layer cutting device according to claim 1, wherein: the heat insulation layer is adhered to the inner wall of the cylinder body, four dovetail grooves are formed in the heat insulation layer after the heat insulation layer is cut by a cutting tool, and quadrant symbols are correspondingly arranged at the center line of each dovetail groove and are distributed at 90 degrees.

10. The thermal insulation layer cutting device according to claim 1, wherein: the straight line section of the screw is provided with threads, and one end of the screw forms a 60-degree conical surface with the central line.

Images