Machine shell hot jacket timing cooling ejection device

Abstract

The utility model discloses a case shrinkage fit timing cooling ejection device which comprises a rack, a workbench is installed on the rack, a shrinkage fit assembly is installed on the upper end face of the workbench and comprises a first jig, a second jig and a third jig, the first jig is located in the third jig, and the second jig is located in the third jig. The first jig and the third jig are both fixedly installed on the upper end face of the workbench, the second jig is inserted between the first jig and the third jig in a sliding mode, a driving air cylinder is installed on the lower end face of the workbench, an operation table is installed on the workbench, a time relay used for timing is installed on the operation table, and the time relay is electrically connected with the driving air cylinder. A reset button is installed on the operation table. The casing and the stator are placed on the hot jacket assembly, the time relay starts timing after the hot jacket process is completed, and after the casing is cooled for three minutes, the driving cylinder lifts the second jig, and the second jig jacks up the casing in time, so that a worker can take away the processed casing in time, and the production efficiency is improved.

Description

Technical Field

[0001] The present application relates to the field of motor production, and in particular to a casing shrink-fit timing cooling ejection device. Background Art

[0002] The motor assembly process is one of the main processes in motor production. The motor stator assembly process in the motor assembly often uses the shrink fit process. The shrink fit process uses the principle of thermal expansion and contraction to assemble the contained stator into the inside of the containing motor housing.

[0003] At present, the patent with announcement number CN220173082U discloses a motor shrink sleeve processing device, including a heating device and a pressing device. The heating device includes a double-layer frame, a heating machine is arranged on the upper layer of the double-layer frame, the heating machine is connected to the coil through a wire, a coil is installed in the middle of the double-layer frame, and a shell is detachably connected to the lower side of the coil. A mounting table is arranged on the double-layer frame, and a shell is assembled on the mounting table. A mounting hole and a deformation hole are formed on the shell, and the coil can be respectively inserted into the mounting hole and the deformation hole; the pressing device includes a main body bracket, a clamp clamps the stator, a shell is arranged on the mounting table, the clamp can put the stator into the mounting hole, and the clamp abuts against the outer wall of the stator.

[0004] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: after processing is completed, workers need to wait for the casing to cool down for three minutes before taking it out. Workers often find it difficult to accurately grasp the time, which results in the inability to take out the casing in time, affecting processing efficiency, and therefore needs to be improved. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present application provides a casing shrink-fit timing cooling ejection device, aiming to solve the above problems.

[0006] A casing shrink-fit timing cooling ejection device comprises a frame, a workbench is mounted on the frame, a shrink-fit assembly is mounted on the upper end surface of the workbench, the shrink-fit assembly comprises a first jig, a second jig and a third jig, the first jig is located in the third jig, the first jig and the third jig are both fixedly mounted on the upper end surface of the workbench, the second jig is slidably inserted between the first jig and the third jig, a driving cylinder for driving the second jig to move up and down is mounted on the lower end surface of the workbench, an operating table is mounted on the workbench, a time relay for timing is mounted on the operating table, the time relay is electrically connected to the driving cylinder, and a reset button for controlling the resetting of the driving cylinder is mounted on the operating table.

[0007] By adopting the above technical solution, the casing and the stator are placed on the shrink fitting assembly. After the shrink fitting process is completed, the time relay starts timing. When the casing has cooled for three minutes, the driving cylinder lifts the second fixture, and the second fixture lifts the casing in time, making it convenient for the staff to take away the processed casing in time, thereby improving production efficiency.

[0008] Optionally, a lifting plate is connected to the piston rod of the driving cylinder, and a plurality of lifting pins are connected to the lifting plate, and one end of all the lifting pins passes through the workbench and contacts the second fixture.

[0009] By adopting the above technical solution, the lifting plate rises under the action of the driving cylinder, and the lifting pins on the lifting plate lift up the second fixture.

[0010] Optionally, a mounting frame is installed on the lower end surface of the workbench, the driving cylinder is installed on the mounting frame, a fixing frame is installed on the mounting frame, a sensing pin is passed through the fixing frame, a through hole is opened on the third fixture for the sensing pin to pass through, one end of the sensing pin extends out from the upper end surface of the third fixture, an in-position sensor is installed on the mounting frame, the in-position sensor is located below the sensing pin, and a reset spring is sleeved on the sensing pin.

[0011] By adopting the above technical solution, when the casing is installed on the outside of the second fixture, the casing will press down the sensing pin, the sensing pin moves downward, and one end of the sensing pin extends into the position sensor, thereby ensuring that the casing is installed in place, thereby avoiding errors and improving production efficiency.

[0012] Optionally, a guide rod is connected to the lower end surface of the workbench, and a guide hole for the guide rod to pass through is opened on the lifting plate.

[0013] By adopting the above technical solution, the guide rod can provide a guiding effect to the lifting plate, thereby preventing the lifting plate from tilting during the movement.

[0014] Optionally, two limiting blocks are symmetrically connected to the inner side wall of the second fixture, and two limiting holes for the limiting blocks to be inserted and slide are symmetrically formed on the circumferential outer side wall of the first fixture.

[0015] By adopting the above technical solution, when the second fixture moves up and down, the limiting block slides in the limiting hole, thereby preventing the second fixture from accidentally rotating when moving up and down.

[0016] Optionally, a positioning block is embedded in the third fixture, and a positioning groove is formed in the positioning block.

[0017] By adopting the above technical solution, the positioning block can play a positioning role, which is convenient for the staff to quickly locate the installation position of the casing, and try to avoid the staff from misplacing the casing, thereby improving production efficiency.

[0018] Optionally, a positioning rod is embedded in the second fixture.

[0019] By adopting the above technical solution, the positioning rod can play a positioning role, thereby facilitating the staff to quickly determine the installation position of the stator and the casing.

[0020] Optionally, six heat sleeve assemblies are provided.

[0021] By adopting the above technical solution, six shrink sleeve components can be processed simultaneously, thereby improving production efficiency.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. Place the casing and stator on the shrink-fit assembly. After the shrink-fit process is completed, the time relay starts timing. After the casing has cooled for three minutes, the driving cylinder lifts the second fixture, and the second fixture lifts the casing in time, making it easier for the staff to take away the processed casing in time, thereby improving production efficiency.

[0024] 2. When the casing is installed on the outside of the second fixture, the casing will press down the sensing pin, the sensing pin moves down, and one end of the sensing pin extends into the position sensor, thereby ensuring that the casing is installed in place, thereby avoiding errors and improving production efficiency.

[0025] 3. The positioning block can play a positioning role, which makes it convenient for the staff to quickly locate the installation position of the casing, and try to avoid the staff from putting the casing in the wrong position, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application.

[0027] Figure 2 It is an exploded schematic diagram of the shrink sleeve assembly in the embodiment of the present application.

[0028] Figure 3 It is a partial structural explosion diagram of an embodiment of the present application.

[0029] Description of reference numerals:

[0030] 1. Rack; 2. Workbench; 3. Shrink sleeve assembly; 31. First fixture; 311. Limit hole; 32. Second fixture; 321. Limit block; 322. Positioning rod; 33. Third fixture; 331. Positioning block; 3311. Positioning slot; 4. Driving cylinder; 41. Lifting plate; 411. Guide hole; 42. Ejector pin; 5. Operating table; 51. Time relay; 52. Reset button; 6. Guide rod; 7. Mounting bracket; 8. Fixing bracket; 81. Induction pin; 82. Reset spring; 9. In-position sensor. DETAILED DESCRIPTION

[0031] In order to facilitate the understanding of the present application, the present application is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or there can be one or more centered elements therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this specification are for illustrative purposes only.

[0032] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.

[0033] The embodiment of the present application discloses a casing shrink-fit timing cooling ejection device. Figure 1 , comprising a frame 1, to which a horizontally arranged rectangular workbench 2 is fixedly connected.

[0034] Reference Figure 2 and Figure 3 Six shrink sleeve assemblies 3 are installed on the upper end surface of the workbench 2, and each shrink sleeve assembly 3 includes a first fixture 31, a second fixture 32 and a third fixture 33. The first fixture 31 is located in the third fixture 33, and the first fixture 31 and the third fixture 33 are fixedly installed on the upper end surface of the workbench 2. The second fixture 32 is slidably inserted between the first fixture 31 and the third fixture 33, and the height of the second fixture 32 is greater than the height of the third fixture 33. The lower end surface of the second fixture 32 is connected with four connecting rods at intervals along the circumferential direction, and all the connecting rods pass through the workbench 2. One end of each connecting rod is fixedly connected with a retaining ring, and each connecting rod is sleeved with a connecting spring, one end of the connecting spring is pressed against the retaining ring, and the other end is pressed against the lower end surface of the workbench 2. The second fixture 32 can be quickly reset under the action of the connecting spring.

[0035] Reference Figure 2 and Figure 3, six mounting brackets 7 are fixedly connected to the lower end surface of the workbench 2, and each mounting bracket 7 is fixedly connected to a driving cylinder 4 for driving the second fixture 32 to move up and down. An operating table 5 is installed on the workbench 2, and six time relays 51 for timing are installed on the operating table 5. The time relays 51 are electrically connected to the driving cylinder 4, and six reset buttons 52 for controlling the reset of the driving cylinder 4 are installed on the operating table 5. The casing and the stator are placed on the shrink-fit assembly 3. After the shrink-fit process is completed, the time relay 51 starts timing. When the casing cools for three minutes, the time relay 51 controls the driving cylinder 4 to lift the second fixture 32, and the second fixture 32 lifts the casing in time, so that the staff can take away the processed casing in time, thereby improving production efficiency.

[0036] Reference Figure 2 and Figure 3 A lifting plate 41 is fixedly connected to the piston rod of the driving cylinder 4, and four lifting pins 42 are fixedly connected to the lifting plate 41. One end of all the lifting pins 42 passes through the workbench 2 and contacts the second fixture 32. The lifting plate 41 rises under the action of the driving cylinder 4, and the lifting pins 42 on the lifting plate 41 lift the second fixture 32.

[0037] Reference Figure 2 and Figure 3 , the mounting frame 7 is fixedly connected with a fixing frame 8, and the fixing frame 8 is penetrated with a sensing pin 81, and the third fixture 33 is provided with a through hole for the sensing pin 81 to pass through, and one end of the sensing pin 81 extends out from the upper end surface of the third fixture 33, and an in-place sensor 9 is installed on the mounting frame 7, and the in-place sensor 9 is located below the sensing pin 81. A reset spring 82 is sleeved on the sensing pin 81, and a limiting ring is sleeved on the outer wall of the sensing pin 81, and the reset spring 82 is pressed against the limiting ring and the other end is pressed against the fixing frame 8. When the casing is installed on the outside of the second fixture 32, the casing will press down the sensing pin 81, and the sensing pin 81 moves down, and one end of the sensing pin 81 extends into the in-place sensor 9, thereby ensuring that the casing is installed in place, thereby avoiding errors and improving production efficiency.

[0038] Reference Figure 2 and Figure 3 The lower end surface of the workbench 2 is fixedly connected with two guide rods 6, and the guide rod 6 lifting plate 41 is provided with two guide holes 411 for the guide rods 6 to pass through. The guide rods 6 can provide a guiding effect for the lifting plate 41, thereby preventing the lifting plate 41 from tilting during the movement.

[0039] Reference Figure 2 and Figure 3Two limit blocks 321 are symmetrically fixedly connected to the inner side wall of the second fixture 32, and two limit holes 311 are symmetrically provided on the circumferential outer side wall of the first fixture 31 for the limit blocks 321 to be inserted and slide. When the second fixture 32 moves up and down, the limit blocks 321 slide in the limit holes 311, thereby preventing the second fixture 32 from accidentally rotating when moving up and down.

[0040] Reference Figure 2 and Figure 3 The second fixture 32 is embedded with a positioning rod 322, the third fixture 33 is embedded with a positioning block 331, and the positioning block 331 is provided with a positioning groove 3311. The positioning rod 322 and the positioning block 331 can play a positioning role, so that it is convenient for the staff to quickly determine the installation position of the stator and the housing, and it is convenient for the staff to quickly locate the installation position of the housing, and try to avoid the staff from putting the housing in the wrong position, thereby improving production efficiency.

[0041] The implementation principle of a casing shrink-fit timing cooling ejection device in an embodiment of the present application is as follows: the casing and the stator are placed on the shrink-fit assembly 3. After the shrink-fit process is completed, the time relay 51 starts timing. After the casing has cooled for three minutes, the driving cylinder 4 lifts the second fixture 32, and the second fixture 32 lifts the casing in time, so that the staff can take away the processed casing in time, thereby improving production efficiency.

[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A casing shrink-fit timing cooling ejection device, characterized in that: The invention comprises a frame (1), a workbench (2) is mounted on the frame (1), a shrink sleeve assembly (3) is mounted on the upper end surface of the workbench (2), the shrink sleeve assembly (3) comprises a first fixture (31), a second fixture (32) and a third fixture (33), the first fixture (31) is located in the third fixture (33), the first fixture (31) and the third fixture (33) are both fixedly mounted on the upper end surface of the workbench (2), and the second fixture (32) is slidably inserted in the third fixture (33). Between the first fixture (31) and the third fixture (33), a driving cylinder (4) for driving the second fixture (32) to move up and down is installed on the lower end surface of the workbench (2), an operating table (5) is installed on the workbench (2), a time relay (51) for timing is installed on the operating table (5), the time relay (51) is electrically connected to the driving cylinder (4), and a reset button (52) for controlling the reset of the driving cylinder (4) is installed on the operating table (5).

2. The housing shrink fit timing cooling ejection device according to claim 1, characterized in that: A lifting plate (41) is connected to the piston rod of the driving cylinder (4), and a plurality of lifting pins (42) are connected to the lifting plate (41). One end of all the lifting pins (42) passes through the workbench (2) and contacts the second fixture (32).

3. The housing shrink fit timing cooling ejection device according to claim 2, characterized in that: The lower end surface of the workbench (2) is provided with a mounting frame (7), the driving cylinder (4) is installed on the mounting frame (7), a fixing frame (8) is installed on the mounting frame (7), a sensing pin (81) is passed through the fixing frame (8), a through hole for the sensing pin (81) to pass through is opened on the third fixture (33), one end of the sensing pin (81) protrudes from the upper end surface of the third fixture (33), an in-position sensor (9) is installed on the mounting frame (7), the in-position sensor (9) is located below the sensing pin (81), and a reset spring (82) is sleeved on the sensing pin (81).

4. The housing shrink fit timing cooling ejection device according to claim 3, characterized in that: The lower end surface of the workbench (2) is connected to a guide rod (6), and the lifting plate (41) is provided with a guide hole (411) for the guide rod (6) to pass through.

5. The housing shrink fit timing cooling ejection device according to claim 1, characterized in that: Two limiting blocks (321) are symmetrically connected to the inner side wall of the second fixture (32), and two limiting holes (311) are symmetrically provided on the circumferential outer side wall of the first fixture (31) for the limiting blocks (321) to be inserted and slide.

6. The housing shrink fit timing cooling ejection device according to claim 1, characterized in that: A positioning block (331) is embedded in the third fixture (33), and a positioning groove (3311) is formed in the positioning block (331).

7. The housing shrink fit timing cooling ejection device according to claim 1, characterized in that: A positioning rod (322) is embedded in the second fixture (32).

8. The housing shrink fit timing cooling ejection device according to claim 1, characterized in that: The number of the shrink sleeve components (3) is six.

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