Vacuum industry rolling shaft sleeve preassembling device

Abstract

The utility model relates to the technical field of rolled shaft sleeve machining, in particular to a rolled shaft sleeve preassembling device in the vacuum industry. According to the technical scheme, the device comprises a base, a plurality of supporting columns are fixedly installed at the top of the base, the peripheries of the supporting columns are jointly and fixedly sleeved with a first positioning plate, the top ends of the supporting columns are jointly and fixedly connected with a second positioning plate, a hydraulic jack is fixedly installed at the top of the first positioning plate, and the output end of the hydraulic jack penetrates through the first positioning plate and is fixedly connected with a pressing block; a round notch is formed in the top wall of the base and located under the pressing block, a first workpiece is placed on the inner wall of the bottom of the base, the top of the first workpiece penetrates through the round notch in the top wall of the base and is provided with a shaft sleeve positioner, the inner wall of the first workpiece is slidably sleeved with a second workpiece, and an inner pressing ring is fixedly installed at the top of a groove in the outer wall of the shaft sleeve positioner. According to the utility model, not only can the mounting yield in the mounting process of the rolled shaft sleeve be effectively guaranteed through static extrusion assembly, but also the assembly efficiency is improved at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of rolled shaft sleeve processing, in particular to a rolled shaft sleeve pre-installation device for the vacuum industry. Background Art

[0002] Rolled sleeves refer to thin-walled sleeves rolled with bearing materials or steel strips coated with bearing materials. Rolled sleeve pre-assembly is mainly used in the pre-assembly of rolled sleeves for bypass valves of vacuum pumps of specific series in the vacuum industry.

[0003] In the prior art, patent number: CN220279468U discloses a bearing installation device, including a base plate, a support rod is arranged on the upper surface of the base plate, a top plate is arranged on the upper end of the support rod, a cylinder is arranged inside the top plate, and an impact mechanism for impacting and installing the bearing is arranged on the output end of the cylinder; a positioning mechanism and a shock-absorbing plate for clamping and fixing the rotating shaft are arranged on the upper surface of the base plate; the utility model effectively solves the problem that when installing the bearing on the shaft rod, the bearing is manually knocked on the bearing with a screwdriver or a screwdriver, and then the bearing is installed on the shaft rod, and the manual knocking installation increases the workload of the workers, and the manual knocking installation is too time-consuming due to the small force of the manual knocking during the knocking installation, resulting in too low installation efficiency of the bearing.

[0004] Although the above-mentioned installation device can impact the bearing through the cylinder and the impact mechanism, thereby impacting the bearing and installing it on the shaft rod, in actual application, there are still the following shortcomings: the installation device is assembled by knocking, so it is very easy for the sleeve to be damaged during the knocking process, or the assembly to be skewed, which ultimately affects the performance of the sleeve. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and proposes a pre-installation device for rolled shaft sleeves in the vacuum industry.

[0006] To achieve this purpose, the utility model adopts the following technical scheme: a device for pre-installing rolled sleeves in the vacuum industry, comprising a base, a plurality of support columns are fixedly installed on the top of the base, a positioning plate 1 is commonly fixedly sleeved on the outer periphery of the support columns, a positioning plate 2 is commonly fixedly connected to the top of the support columns, a hydraulic jack is fixedly installed on the top of the positioning plate 1, the output end of the hydraulic jack passes through the positioning plate 1 and is fixedly connected to a pressing block, a circular groove is opened on the top wall of the base and is located directly below the pressing block, a workpiece 1 is placed on the bottom inner wall of the base, and the top of the workpiece 1 passes through the circular groove of the top wall of the base, and a sleeve locator is placed, the inner wall sliding sleeve of the workpiece 1 is provided with the workpiece 2, an inner pressing ring is fixedly installed on the top of the outer wall groove of the sleeve locator, and the inner pressing ring abuts against the top of the workpiece 2, an installation groove is opened on the outer wall groove of the sleeve locator, an O-ring is fixedly installed in the installation groove, and a positioning component is fixedly installed inside the base for making the workpiece 1 and the sleeve locator be located directly below the pressing block.

[0007] Preferably, the positioning assembly includes a bearing block and a servo motor fixedly mounted on the left and right inner walls of the base, the output end of the servo motor is fixedly connected to a bidirectional lead screw, and one end of the bidirectional lead screw away from the servo motor is rotatably connected to the bearing block.

[0008] Preferably, the left and right inner walls of the base are commonly fixedly connected with a sliding rod, and the bidirectional screw rod and the periphery of the sliding rod are commonly slidably sleeved with two clamping plates.

[0009] Preferably, arc-shaped grooves are provided on the opposite sides of the clamping plates, and the arc-shaped grooves abut against the outer wall of the workpiece.

[0010] Preferably, a groove is provided on the top of the first positioning plate, and the hydraulic jack is installed in the groove, and the outer wall of the hydraulic jack abuts against the inner side of the groove.

[0011] Preferably, the bottom end diameter of the sleeve locator is smaller than the inner diameter of the second workpiece.

[0012] The beneficial effects of the utility model are as follows: when using the device, place workpiece one on the bottom inner wall of the base through the circular groove opened on the top of the base, then insert workpiece two into the inner ring of workpiece one, and finally insert the sleeve locator into the inner ring of workpiece two. The sleeve locator contacts workpiece two through the O-ring to avoid shaking and deviation due to loose contact between the sleeve locator and workpiece two during the extrusion process. Start the hydraulic jack, and squeeze the sleeve locator through the pressing block fixedly installed at the output end of the hydraulic jack. The sleeve locator squeezes workpiece two through the O-ring until workpiece two is completely squeezed into the sleeve locator, and then release the oil pressure of the hydraulic jack, thus completing the pre-installation of the rolled sleeve. The device can effectively guarantee the installation yield rate during the installation of the rolled sleeve through static extrusion assembly, while improving assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view schematic diagram of the overall structure of an embodiment of a rolled sleeve pre-installation device for the vacuum industry of the utility model;

[0014] Figure 2 It is a front cutaway schematic diagram of the overall structure of an embodiment of a rolled sleeve pre-installation device for the vacuum industry of the utility model;

[0015] Figure 3 The utility model is a vacuum industry rolled sleeve pre-installation device embodiment Figure 2 A schematic diagram of the structure at A;

[0016] Figure 4 The utility model is a top cutaway schematic diagram of the overall structure of an embodiment of a rolled shaft sleeve pre-installation device for the vacuum industry.

[0017] Figure numerals: 1. base; 2. support column; 3. positioning plate 1; 4. positioning plate 2; 5. hydraulic jack; 6. pressing block; 7. workpiece 1; 8. workpiece 2; 9. sleeve positioner; 10. inner pressing ring; 11. O-ring; 12. servo motor; 13. bearing block; 15. bidirectional screw; 16. sliding rod; 17. splint. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0019] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0021] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0022] Embodiment 1

[0023] like Figure 1-4 As shown, the utility model proposes a vacuum industry rolled sleeve pre-installation device, including a base 1, a plurality of support columns 2 are fixedly installed on the top of the base 1, a positioning plate 3 is fixedly sleeved on the periphery of the support columns 2, a positioning plate 2 4 is fixedly connected to the top of the support columns 2, a hydraulic jack 5 is fixedly installed on the top of the positioning plate 3, the output end of the hydraulic jack 5 passes through the positioning plate 3, and is fixedly connected to a pressing block 6, a circular notch is opened on the top wall of the base 1, and is located directly below the pressing block 6, and a bottom inner wall of the base 1 is placed A workpiece 7 is placed, and the top of the workpiece 7 passes through the circular groove of the top wall of the base 1, and a sleeve locator 9 is placed. The inner wall sliding sleeve of the workpiece 7 is provided with a workpiece 2 8. An inner pressing ring 10 is fixedly installed on the top of the outer wall groove of the sleeve locator 9, and the inner pressing ring 10 abuts against the top of the workpiece 2 8. An installation groove is opened in the outer wall groove of the sleeve locator 9, and an O-ring 11 is fixedly installed in the installation groove. A positioning component is fixedly installed inside the base 1, which is used to make the workpiece 7 and the sleeve locator 9 located directly below the pressing block 6.

[0024] In this embodiment: the positioning assembly includes a bearing block 13 and a servo motor 12 fixedly mounted on the left and right inner walls of the base 1, the output end of the servo motor 12 is fixedly connected with a bidirectional screw rod 15, and the end of the bidirectional screw rod 15 away from the servo motor 12 is rotatably connected to the bearing block 13. Through this arrangement, starting the servo motor 12 can drive the bidirectional screw rod 15 to rotate on the bearing block 13; the left and right inner walls of the base 1 are commonly fixedly connected with a sliding rod 16, and the outer periphery of the bidirectional screw rod 15 and the sliding rod 16 is commonly slidably sleeved with two clamping plates 17. Through this arrangement, the rotation of the bidirectional screw rod 15 can drive the two clamping plates 17 to move towards or away from each other at the same time on the outer periphery of the bidirectional screw rod 15 and the sliding rod 16; arc grooves are provided on the opposite sides of the clamping plates 17, and the arc grooves abut against the outer wall of the workpiece 7. Through this arrangement, the two clamping plates 17 can clamp and fix the workpiece 7 through the arc grooves, and at the same time, the position of the workpiece 7 is located directly below the pressing block 6.

[0025] Embodiment 2

[0026] like Figure 1-4 As shown, the utility model proposes a pre-installation device for rolled sleeves in the vacuum industry. Compared with the first embodiment, a groove is provided on the top of the positioning plate 3, and the hydraulic jack 5 is installed in the groove. The outer wall of the hydraulic jack 5 abuts against the inner side of the groove. Through this arrangement, the position of the hydraulic jack 5 is prevented from shifting during use; the bottom end diameter of the sleeve locator 9 is smaller than the inner diameter of the workpiece 8. Through this arrangement, it is convenient to pull it out after extrusion is completed.

[0027] Working principle: When using this device, place workpiece 1 7 on the bottom inner wall of base 1 through the circular groove opened on the top of base 1, then insert workpiece 2 8 into the inner ring of workpiece 1 7, and finally insert sleeve locator 9 into the inner ring of workpiece 2 8. Sleeve locator 9 contacts workpiece 2 8 through O-ring 11 to avoid shaking and deviation due to loose contact between sleeve locator 9 and workpiece 2 8 during extrusion. Start hydraulic jack 5, and squeeze sleeve locator 9 through pressing block 6 fixedly installed at the output end of hydraulic jack 5. Sleeve locator 9 squeezes workpiece 2 8 through O-ring 11 until workpiece 2 8 is completely squeezed into sleeve locator 9, and then release the oil pressure of hydraulic jack 5 to complete the pre-installation of rolled sleeve.

[0028] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A vacuum industry rolled sleeve pre-assembly device, comprising a base (1), characterized in that: A plurality of support columns (2) are fixedly mounted on the top of the base (1), a positioning plate (3) is fixedly mounted on the periphery of the support columns (2), a positioning plate (4) is fixedly connected to the top of the support columns (2), a hydraulic jack (5) is fixedly mounted on the top of the positioning plate (3), an output end of the hydraulic jack (5) passes through the positioning plate (3) and is fixedly connected to a pressing block (6), a circular notch is provided on the top wall of the base (1) and is located directly below the pressing block (6), a workpiece (7) is placed on the bottom inner wall of the base (1), and the top of the workpiece (7) is A circular notch is formed through the top wall of the base (1), and a shaft sleeve locator (9) is placed thereon. The inner wall sliding sleeve of the workpiece one (7) is provided with the workpiece two (8). An inner pressing ring (10) is fixedly mounted on the top of the outer wall groove of the shaft sleeve locator (9), and the inner pressing ring (10) abuts against the top of the workpiece two (8). An installation groove is formed in the outer wall groove of the shaft sleeve locator (9), and an O-type rubber ring (11) is fixedly mounted in the installation groove. A positioning assembly is fixedly mounted inside the base (1), and is used to position the workpiece one (7) and the shaft sleeve locator (9) directly below the pressing block (6).

2. According to claim 1, a pre-installed device for rolled sleeves in the vacuum industry is characterized in that: The positioning assembly comprises a bearing block (13) fixedly mounted on the left and right inner walls of the base (1) and a servo motor (12); the output end of the servo motor (12) is fixedly connected to a bidirectional screw rod (15), and one end of the bidirectional screw rod (15) away from the servo motor (12) is rotatably connected to the bearing block (13).

3. The vacuum industry rolled sleeve pre-installation device according to claim 2 is characterized in that: The left and right inner walls of the base (1) are fixedly connected to a slide rod (16), and the outer peripheries of the bidirectional screw rod (15) and the slide rod (16) are slidably sleeved with two clamping plates (17).

4. The device for pre-installing rolled sleeves in vacuum industry according to claim 3 is characterized in that: The clamping plates (17) are provided with arc-shaped grooves on the opposite sides thereof, and the arc-shaped grooves abut against the outer wall of the workpiece (7).

5. The device for pre-installing rolled sleeves in vacuum industry according to claim 1 is characterized in that: A groove is provided on the top of the positioning plate 1 (3), and the hydraulic jack (5) is installed in the groove, and the outer wall of the hydraulic jack (5) abuts against the inner side of the groove.

6. The device for pre-installing rolled sleeves in vacuum industry according to claim 1 is characterized in that: The bottom end diameter of the shaft sleeve locator (9) is smaller than the inner diameter of the second workpiece (8).

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