CN215967291U - Semi-automatic assembling and disassembling device for thin-wall piece - Google Patents

Semi-automatic assembling and disassembling device for thin-wall piece Download PDF

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Publication number
CN215967291U
CN215967291U CN202122129367.1U CN202122129367U CN215967291U CN 215967291 U CN215967291 U CN 215967291U CN 202122129367 U CN202122129367 U CN 202122129367U CN 215967291 U CN215967291 U CN 215967291U
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China
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push
pull
end cover
thin
head
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CN202122129367.1U
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Chinese (zh)
Inventor
刘佩林
张慧玲
钟涛
周惠涛
廖清华
王敏辉
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Jiangnan Industries Group Co Ltd
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Jiangnan Industries Group Co Ltd
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Abstract

The utility model discloses a semi-automatic assembling and disassembling device for thin-wall parts, which comprises a workbench, a push-pull air cylinder, a push-pull centering clamp, a clamping mechanism and a circumferential clamp; the push-pull cylinder, the clamping mechanism, the circumferential clamp and the push-pull centering clamp are arranged on the workbench, and the push-pull centering clamp is positioned between the push-pull cylinder and the clamping mechanism; the clamping mechanism is used for clamping the thin-walled part; the push-pull centering fixture is used for installing the end cover and the push-pull air cylinder, and the push-pull air cylinder can push the end cover to be close to or far away from the thin-wall part, so that the end cover and the thin-wall part far away from the end cover can be assembled or disassembled. The utility model can accurately position the workpiece and the end cover, has the error-proof function, improves the assembly efficiency of the thin-wall part and the end cover, lightens the labor intensity of operators and meets the explosion-proof requirement.

Description

Semi-automatic assembling and disassembling device for thin-wall piece
Technical Field
The utility model relates to a semi-automatic assembling and disassembling device for thin-wall parts.
Background
As the workpiece is a long thin-wall part (figure 1), the length is 948mm, the wall thickness is 2+ 0.120, and the deformation is generated after the working procedures of machining, welding, heat treatment and the like, the roundness of the inner hole of the workpiece is not round, and the tolerance requirement of the inner hole (phi 174+0.165 + 0.05) of the workpiece is tighter. The clearance between the outer diameter (phi 174-0.085-0.185) of the matched end cover (figure 2) and the workpiece is 0.145-0.35 mm, and the deformed workpiece needs to be assembled in place by means of external force in the assembling process. The positioning hole on the workpiece and the orientation shaft of the end cover form a clockwise 90-degree direction. In addition, the component has an axial clearance, and when the component is not satisfactory, the end cover needs to be removed and adjusted. However, the assembly is carried out in an initiating explosive region, so that products cannot be knocked and hammered, and a set of semi-automatic assembly and disassembly device is designed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the semi-automatic thin-wall part assembling and disassembling device which can accurately position the thin-wall part and the end cover, has the error-proof function, improves the assembling efficiency of the thin-wall part and the end cover, lightens the labor intensity of operators and meets the explosion-proof requirement.
The technical scheme adopted by the utility model is as follows: a semi-automatic assembling and disassembling device for thin-wall parts comprises a workbench, a push-pull air cylinder, a push-pull centering clamp, a clamping mechanism and a circumferential clamp; the push-pull cylinder, the clamping mechanism, the circumferential clamp and the push-pull centering clamp are arranged on the workbench, and the push-pull centering clamp is positioned between the push-pull cylinder and the clamping mechanism; the clamping mechanism is used for clamping the thin-walled part; the circumferential clamp can circumferentially position the thin-wall part;
the push-pull centering fixture comprises a push-pull cover, a push-pull head, a base and an upper cover tile; one end of the push-pull head is of a cylindrical structure, the other end of the push-pull head is of a semi-annular structure, and the push-pull cover is coaxially connected with one end of the cylindrical structure of the push-pull head; the upper cover tile is of a semi-annular structure, is arranged at the semi-annular structure of the push-pull head and is spliced into an annular structure, and an end cover is arranged in the center of the annular structure; the upper cover tile is provided with a plurality of locking screws, and the locking screws are arranged along the radial direction of the upper cover tile; the base is arranged on the workbench, a guide groove is formed in the base and arranged parallel to the axis of the push-pull head, a pin shaft is arranged on the excircle of the push-pull head and is arranged in the guide groove; and a piston rod of the push-pull air cylinder is connected with the push-pull cover.
In the semi-automatic device dismounting and mounting of the thin-wall part, the clamping mechanism comprises four coaxially arranged circular hoops, and the circular hoops are fixed on the workbench; the inner side surface of the circular hoop is provided with a rubber lining.
In the semi-automatic device dismounting and mounting of the thin-wall part, a step hole is formed in the center of the push-pull cover, and the diameter of the step hole close to the end of the push-pull cylinder is smaller than that of the step hole close to the end of the push-pull head; a piston rod of the push-pull air cylinder extends into the stepped hole, and the end of the piston rod of the push-pull air cylinder is provided with an end head; the diameter of the end head is larger than the diameter of the stepped hole close to the end of the push-pull cylinder and smaller than the diameter of the stepped hole close to the end of the push-pull cylinder.
In the semi-automatic device dismounting and mounting of the thin-wall part, the base passes through the plurality of guide holes, the workbench is provided with the plurality of guide columns which are vertically arranged, and the plurality of guide holes are respectively sleeved on the plurality of guide columns; the guide hole is a stepped hole, and the diameter of the lower part of the guide hole is larger than that of the upper part of the guide hole; the guide post is sleeved with a spring gasket and a spring, the spring gasket is arranged on the workbench, the upper end of the spring is in contact with the step surface of the guide hole, and the lower end of the spring is in contact with the spring gasket.
In the semi-automatic device dismounting and mounting of the thin-wall part, the end cover comprises an end cover shaft and the end cover, the rear end of the end cover shaft is provided with a positioning head, the diameter of the positioning head is larger than that of the front part of the end cover shaft, and a conical positioning part is arranged at the joint of the positioning head and the front part of the end cover shaft; the front end of the end cover shaft is connected with the rear end of the end cover, and the end cover shaft is coaxial with the end cover; two groups of threaded holes are formed in the side face of the end cover, each group of threaded holes are located in the same section, and each group of threaded holes comprises a plurality of threaded holes which are uniformly distributed along the circumference square; the rear end face of the end cover is provided with a directional shaft, the front end of the pull pushing head is provided with a directional shaft hole, and the directional shaft is inserted in the directional shaft hole;
the central hole of the annular structure is a stepped hole, the end of the central hole, which faces the push-pull cylinder, is a cylindrical positioning head, and the positioning head of the end cover shaft is positioned in the positioning head; the positioning head part is provided with a conical hole positioning part at the end back to the push-pull cylinder, and the conical positioning part of the end cover shaft is matched with the conical hole positioning part; the front part of the central hole comprises two end cover shaft matching parts, and the front part of the end cover shaft is matched with the end cover shaft matching parts; the front end of the end cover shaft extends out of the front end of the push head to be connected with the end cover.
In the semi-automatic device dismounting and mounting of the thin-wall part, the front end of the push head is provided with a backing ring, and the backing ring is sleeved on the end cover shaft.
In the semi-automatic device dismounting and mounting of the thin-wall part, the bottom of the workbench is provided with four universal wheels.
In the semi-automatic device dismounting and mounting of the thin-wall part, the circumferential clamp comprises a clamp body and a positioning pin, a pin shaft hole is formed in the top surface of the clamp body, the lower end of the positioning pin is inserted into the pin shaft hole, and the upper end of the positioning pin is used for being connected with a positioning block on the side wall of the thin-wall part.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model can accurately position the workpiece and the end cover, has the error-proof function, improves the assembly efficiency of the thin-wall part and the end cover, lightens the labor intensity of operators and meets the explosion-proof requirement.
Drawings
FIG. 1 is a schematic structural diagram of a thin-walled part for assembly according to the present invention.
FIG. 2 is a schematic view of an end cap for assembly according to the present invention.
Fig. 3 is a view showing the construction of the wall member of the present invention.
Figure 4 is a schematic view of a push-pull centering fixture of the present invention.
Concrete trial mode
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, the semi-automatic assembling and disassembling device for thin-wall parts comprises a workbench 1, a push-pull cylinder 2, a push-pull centering fixture 3, a clamping mechanism 4 and a circumferential fixture 5. Four universal wheels 11 are arranged at the bottom of the workbench 1. The push-pull cylinder 2, the clamping mechanism 4, the circumferential clamp 5 and the push-pull centering clamp 3 are arranged on the workbench 1, and the push-pull centering clamp 3 is positioned between the push-pull cylinder 2 and the clamping mechanism 4. The clamping mechanism 4 comprises four coaxially arranged circular hoops, and the circular hoops are fixed on the workbench 1; the inner side surface of the circular clamp 1 is provided with a rubber lining, and the clamping mechanism is used for clamping a thin-walled part; the inner lining prevents the clamp from being in rigid contact with the thin-wall part to damage the thin-wall part.
The circumferential fixture 5 comprises a fixture body 51 and a positioning pin 52, a pin shaft hole is formed in the top surface of the fixture body 51, the lower end of the positioning pin 52 is inserted into the pin shaft hole, and the upper end of the positioning pin 52 is used for being connected with a positioning hole 61 in the side wall of the thin-wall part 6, so that the circumferential positioning of the thin-wall part 6 relative to the workbench 1 is realized.
As shown in fig. 4, the push-pull centering fixture 3 includes a push-pull cover 31, a push-pull head 32, a base 33 and an upper cover tile 34; one end of the push-pull head 32 is of a cylindrical structure, the other end of the push-pull head is of a semi-annular structure, and the push-pull cover 31 is coaxially connected with one end of the cylindrical structure of the push-pull head 32. The upper cover tile 34 is of a semi-annular structure, is arranged at the semi-annular structure of the push head 32 and is spliced into an annular structure, and the end cover 7 is arranged in the center of the annular structure; the upper cover tile 34 is provided with a plurality of locking screws 35, and the locking screws 35 are arranged along the radial direction of the upper cover tile 34. The base 33 through a plurality of guiding holes, be equipped with the guide post of a plurality of vertical settings on the workstation 1, a plurality of guiding holes overlap respectively on a plurality of guide posts. The guide hole is a stepped hole, and the diameter of the lower part of the guide hole is larger than that of the upper part of the guide hole; the guide post is sleeved with a spring gasket 36 and a spring 37, the spring gasket 36 is arranged on the workbench 1, the upper end of the spring 37 is in contact with the step surface of the guide hole, and the lower end of the spring 37 is in contact with the spring gasket 36.
The base 33 is provided with a guide groove 38, the guide groove 38 is arranged parallel to the axis of the push-pull head 32, the outer circle of the push-pull head 32 is provided with a pin shaft 321, and the pin shaft 321 is arranged in the guide groove 38 to prevent the push-pull head 32 from rotating.
The piston rod of the push-pull cylinder 2 is connected with the push-pull cover 31. The center of the push-pull cover 31 is provided with a stepped hole, and the diameter of the stepped hole close to the end of the push-pull cylinder is smaller than that of the stepped hole close to the end of the push-pull head. A piston rod of the push-pull cylinder 2 extends into the stepped hole, and the end part of the piston rod of the push-pull cylinder is provided with an end head 21; the diameter of the end head 21 is larger than the diameter of the stepped hole close to the end of the push-pull cylinder and smaller than the diameter of the stepped hole close to the end of the push-pull head.
The end cover 7 comprises an end cover shaft 71 and an end cover 72, a positioning head 711 is arranged at the rear end of the end cover shaft 71, the diameter of the positioning head 711 is larger than that of the front part of the end cover shaft 71, and a conical positioning part 712 is arranged at the joint of the positioning head 711 and the front part of the end cover shaft. The front end of the end cover shaft 71 is connected with the rear end of the end cover 72, and the end cover shaft 71 is coaxial with the end cover 72. Two groups of threaded holes are arranged on the side surface of the end cover 72, each group of threaded holes are located in the same section, and each group of threaded holes comprises a plurality of threaded holes uniformly distributed along the circumference square. The rear end face of the end cover 72 is provided with an oriented shaft 721, the front end of the push-pull head is provided with an oriented shaft hole, and the oriented shaft 721 is inserted in the oriented shaft hole.
The central hole of the annular structure is a stepped hole, the end of the central hole, which faces the push-pull cylinder, is a cylindrical positioning head, and the positioning head of the end cover shaft is positioned in the positioning head. The positioning head part is provided with a conical hole positioning part at the end back to the push-pull cylinder, and the conical positioning part of the end cover shaft is matched with the conical hole positioning part. The front part of the central hole comprises two end cover shaft matching parts, and the front part of the end cover shaft is matched with the end cover shaft matching parts; the front end of the end cover shaft extends out of the front end of the push head to be connected with the end cover. The front end of the pushing head 32 is provided with a backing ring 8, and the backing ring 8 is sleeved on the end cover shaft 71.
The operation method of the utility model specifically comprises the following steps:
the loading method comprises the following steps: and opening the clamping mechanism 4 and the push-pull centering fixture 3, retracting the piston rod of the push-pull cylinder 2, placing the thin-walled part on the clamping mechanism, circumferentially positioning the thin-walled part 6 through the circumferential fixture, then placing the thin-walled part 6 close to the workpiece towards the end of the push-pull cylinder on an axial reference surface A, and clamping the thin-walled part 6 through the clamping mechanism 4 after axial positioning. The end cover shaft 71 of the end cover 7 is put into the semicircular hole of the push-pull head, the end cover 7 is inserted into the directional shaft hole at the front end of the push-pull head through the directional shaft 721, so that the semicircular tile 34 is installed on the push-pull head after the end cover 7 is positioned in the circumferential direction. The push-pull cylinder 2 pushes the push-pull head to press the end cover 7 into the thin-wall part 6 until the front end face of the push-pull head 32 is close to the end face of the thin-wall part facing the end cover. Then the semicircular tile 34 and the clamping mechanism 4 on the pushing head 32 are opened, and the assembled thin-wall part 6 is taken out.
The disassembling method comprises the following steps:
pushing out the push-pull head 32, opening the clamping mechanism 4, loosening the push-pull centering fixture 3, enabling the thin-wall part 6 and the thin-wall part 6 of the assembly body of the end cover 7 to pass through the clamping mechanism 5, placing the end cover shaft 71 of the end cover 7 of the assembly body of the thin-wall part and the end cover into a semicircular hole of the push-pull head, enabling the front end face of the push-pull head to be close to the thin-wall part and face to the end face of the push-pull cylinder, and clamping the push-pull head 32 by the clamping mechanism 4 and installing the semicircular tile 34 on the push-pull head 32; and (3) contracting a piston rod of the push-pull cylinder 2, pulling the push-pull head 32 and pulling the end cover 7 out of the thin-wall piece 6.

Claims (8)

1. A semi-automatic assembling and disassembling device for thin-wall parts is characterized in that: comprises a workbench, a push-pull air cylinder, a push-pull centering clamp, a clamping mechanism and a circumferential clamp; the push-pull cylinder, the clamping mechanism, the circumferential clamp and the push-pull centering clamp are arranged on the workbench, and the push-pull centering clamp is positioned between the push-pull cylinder and the clamping mechanism; the clamping mechanism is used for clamping the thin-walled part; the circumferential clamp can circumferentially position the thin-wall part;
the push-pull centering fixture comprises a push-pull cover, a push-pull head, a base and an upper cover tile; one end of the push-pull head is of a cylindrical structure, the other end of the push-pull head is of a semi-annular structure, and the push-pull cover is coaxially connected with one end of the cylindrical structure of the push-pull head; the upper cover tile is of a semi-annular structure, is arranged at the semi-annular structure of the push-pull head and is spliced into an annular structure, and an end cover is arranged in the center of the annular structure; the upper cover tile is provided with a plurality of locking screws, and the locking screws are arranged along the radial direction of the upper cover tile; the base is arranged on the workbench, a guide groove is formed in the base and arranged parallel to the axis of the push-pull head, a pin shaft is arranged on the excircle of the push-pull head and is arranged in the guide groove; and a piston rod of the push-pull air cylinder is connected with the push-pull cover.
2. The semi-automatic assembly and disassembly device of thin-walled parts of claim 1, characterized in that: the clamping mechanism comprises four coaxially arranged circular hoops, and the circular hoops are fixed on the workbench; the inner side surface of the circular hoop is provided with a rubber lining.
3. The semi-automatic assembly and disassembly device of thin-walled parts of claim 1, characterized in that: a stepped hole is formed in the center of the push-pull cover, and the diameter of the stepped hole close to the end of the push-pull cylinder is smaller than that of the stepped hole close to the end of the push-pull head; a piston rod of the push-pull air cylinder extends into the stepped hole, and the end of the piston rod of the push-pull air cylinder is provided with an end head; the diameter of the end head is larger than the diameter of the stepped hole close to the end of the push-pull cylinder and smaller than the diameter of the stepped hole close to the end of the push-pull cylinder.
4. The semi-automatic assembly and disassembly device of thin-walled parts of claim 1, characterized in that: the base passes through a plurality of guide holes, a plurality of guide posts which are vertically arranged are arranged on the workbench, and the guide holes are respectively sleeved on the guide posts; the guide hole is a stepped hole, and the diameter of the lower part of the guide hole is larger than that of the upper part of the guide hole; the guide post is sleeved with a spring gasket and a spring, the spring gasket is arranged on the workbench, the upper end of the spring is in contact with the step surface of the guide hole, and the lower end of the spring is in contact with the spring gasket.
5. The semi-automatic assembly and disassembly device of thin-walled parts of claim 1, characterized in that: the end cover comprises an end cover shaft and an end cover, the rear end of the end cover shaft is provided with a positioning head, the diameter of the positioning head is larger than that of the front part of the end cover shaft, and a conical positioning part is arranged at the joint of the positioning head and the front part of the end cover shaft; the front end of the end cover shaft is connected with the rear end of the end cover, and the end cover shaft is coaxial with the end cover; two groups of threaded holes are formed in the side face of the end cover, each group of threaded holes are located in the same section, and each group of threaded holes comprises a plurality of threaded holes which are uniformly distributed along the circumference square; the rear end face of the end cover is provided with a directional shaft, the front end of the pull pushing head is provided with a directional shaft hole, and the directional shaft is inserted in the directional shaft hole;
the central hole of the annular structure is a stepped hole, the end of the central hole, which faces the push-pull cylinder, is a cylindrical positioning head, and the positioning head of the end cover shaft is positioned in the positioning head; the positioning head part is provided with a conical hole positioning part at the end back to the push-pull cylinder, and the conical positioning part of the end cover shaft is matched with the conical hole positioning part; the front part of the central hole comprises two end cover shaft matching parts, and the front part of the end cover shaft is matched with the end cover shaft matching parts; the front end of the end cover shaft extends out of the front end of the push head to be connected with the end cover.
6. The semi-automatic assembly and disassembly device of thin-walled parts of claim 1, characterized in that: the front end of the puller is provided with a backing ring which is sleeved on the end cover shaft.
7. The semi-automatic assembly and disassembly device of thin-walled parts of claim 1, characterized in that: four universal wheels are arranged at the bottom of the workbench.
8. The semi-automatic assembly and disassembly device of thin-walled parts of claim 1, characterized in that: the circumferential fixture comprises a fixture body and a positioning pin, a pin shaft hole is formed in the top surface of the fixture body, the lower end of the positioning pin is inserted into the pin shaft hole, and the upper end of the positioning pin is used for being connected with a positioning block on the side wall of the thin-wall part.
CN202122129367.1U 2021-09-06 2021-09-06 Semi-automatic assembling and disassembling device for thin-wall piece Active CN215967291U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122129367.1U CN215967291U (en) 2021-09-06 2021-09-06 Semi-automatic assembling and disassembling device for thin-wall piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122129367.1U CN215967291U (en) 2021-09-06 2021-09-06 Semi-automatic assembling and disassembling device for thin-wall piece

Publications (1)

Publication Number Publication Date
CN215967291U true CN215967291U (en) 2022-03-08

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ID=80467122

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122129367.1U Active CN215967291U (en) 2021-09-06 2021-09-06 Semi-automatic assembling and disassembling device for thin-wall piece

Country Status (1)

Country Link
CN (1) CN215967291U (en)

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