Four-station driving end cover press-locking machine

By designing a four-station drive end cap pressing and locking machine, the automated pressing of starter drive end caps was realized, solving the problems of low efficiency, high labor intensity and poor precision in the existing technology, and possessing efficient and accurate assembly capabilities and statistical functions.

CN118003062BActive Publication Date: 2026-04-24HUBEI JIANGDA INTELLIGENT EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUBEI JIANGDA INTELLIGENT EQUIP CO LTD
Filing Date
2022-11-08
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

The existing starter drive end cover assembly process suffers from low efficiency, high labor intensity, poor pressing accuracy, lack of statistical functions, and poor adaptability.

Method used

A four-station driven end cap pressing and locking machine was designed. It adopts components such as a workpiece conveying device, a dynamic sealing pressing seat, a bearing mounting seat, and a pressing and riveting lock pressing seat, and combines a servo electric cylinder, a pneumatic-hydraulic booster cylinder, and a vision inspection device to realize automated pressing and inspection.

Benefits of technology

It improves assembly efficiency, saves labor, ensures pressing accuracy, has counting and statistical functions, and is adaptable to the changeover operation of different types of workpieces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to digital display press technical field, and disclose four position drive end cover press lock mouth machine, including platform base, the top of platform base is equipped with workpiece conveying device, the top of platform base is equipped with first work position, second work position, third work position and fourth work position which are annularly and equidistantly distributed. The four position drive end cover press lock mouth machine has the advantages of high efficiency, labor saving, high press-in progress, etc. It solves the problems of low efficiency, high labor intensity, poor press-in accuracy, lack of statistical function and poor adaptability in the existing starter drive end cover assembly which mostly adopts manual operation.
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Description

Technical Field

[0001] This invention relates to the field of four-station driven end cap press-fitting and locking machine technology, specifically a four-station driven end cap press-fitting and locking machine. Background Technology

[0002] The assembly of the starter drive end cover is a production operation of the starter drive end, which requires operations such as press-fitting the skeleton dynamic seal ring, quantitative grease injection, press-fitting the bearing, and locking the bearing at the bearing housing end face.

[0003] Currently, most pressing operations are performed manually using assembly fixtures, which has the following drawbacks:

[0004] 1. Inefficient, requiring three dedicated people to operate;

[0005] 2. The labor intensity is high. Workers need to repeatedly align, press, inspect, and change tools, which is very hard work for long hours.

[0006] 3. There is no feedback on the pressing force and displacement, and the angle of the bearing housing end face lock is manually controlled, which cannot guarantee consistency;

[0007] 4. No counting or statistical functions;

[0008] 5. Changing between different types of workpieces is cumbersome;

[0009] To address the aforementioned issues, a four-station drive end cap pressing and locking machine is proposed. Summary of the Invention

[0010] (a) Technical problems to be solved

[0011] To address the shortcomings of existing technologies, this invention provides a four-station drive end cap pressing and locking machine, which has the advantages of high efficiency, labor saving, and high pressing progress. It solves the problems of low efficiency, high labor intensity, poor pressing accuracy, lack of statistical functions, and poor adaptability in the current starter drive end cap assembly, which is mostly done manually.

[0012] (II) Technical Solution

[0013] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: a four-station drive end cap pressing and locking machine, including a platform base, the top of which is provided with a workpiece conveying device and a first station, a second station, a third station and a fourth station distributed in a ring at equal distances around the workpiece conveying device.

[0014] The workpiece conveying device includes a turntable rotatably mounted on a platform base. Four workpiece placement fixtures, arranged in a ring and at equal distances, are fixedly connected to the outside of the turntable. A drive unit for driving the turntable to rotate circumferentially is fixedly connected to the top of the platform base. A workpiece placement indexing plate is provided on the outside of the workpiece placement fixture. The front workpiece placement fixture is located inside the first station.

[0015] The first workstation is used to place unprocessed workpieces and remove processed workpieces;

[0016] The second station includes a dynamic seal press-fitting seat, which is fixedly connected to the top of the platform base. A dynamic seal press-fitting translation stage is fixedly connected to the top of the dynamic seal press-fitting seat. A dynamic seal press-fitting servo electric cylinder with one end extending to the inside of the dynamic seal press-fitting seat is provided on the top of the dynamic seal press-fitting translation stage. A dynamic seal press-fitting head is fixedly connected to the bottom of the dynamic seal press-fitting servo electric cylinder.

[0017] The third workstation includes a bearing mounting base, which is fixedly connected to the top of the platform base. A bearing press-fitting translation stage is fixedly connected to the top of the bearing mounting base. A bearing press-fitting servo electric cylinder with one end extending to the inside of the bearing mounting base is provided on the top of the bearing press-fitting translation stage. A bearing press head is fixedly connected to the bottom of the bearing press-fitting servo electric cylinder.

[0018] The fourth station includes a riveting lock press-fit seat, which is fixedly connected to the top of the platform base. The top of the riveting lock press-fit seat is provided with a pneumatic-hydraulic booster cylinder with one end extending to the inside of the riveting lock press-fit seat. The bottom of the pneumatic-hydraulic booster cylinder is rotatably connected to a riveting lock press head. A lock motor is fixedly connected to the left side of the pneumatic-hydraulic booster cylinder. The lock motor and the riveting lock press head are connected by the same belt for transmission.

[0019] The beneficial effects of the present invention are: the operator stands at the first station and manually loads and unloads the workpieces (skeleton dynamic seal, bearing, drive end cover) and places them into the workpiece placement indexing plate on the workpiece placement fixture in sequence for positioning. The workpiece conveying device is then started, and the workpiece placement fixture in the first station is rotated to the second station.

[0020] The dynamic seal pressing servo cylinder at the second station moves and picks up the material via the dynamic seal pressing translation table. The dynamic seal pressing head is lowered by the dynamic seal pressing servo cylinder to automatically remove the dynamic seal. The dynamic seal pressing head rises and is moved above the workpiece placement fixture via the dynamic seal pressing translation table. The dynamic seal pressing head descends to press the dynamic seal into the drive end cover. At the same time, the pressing depth detection mechanism detects the depth dimension. After meeting the requirements, grease is injected in a quantitative manner. After completion, the device returns and moves the workpiece placement fixture in the second station to the third station via the workpiece conveying device.

[0021] The bearing pressing servo cylinder in the third station moves the bearing pressing translation table to pick up the material. The bearing pressing head is lowered by the bearing pressing servo cylinder to automatically remove the bearing. The bearing pressing head rises and is moved by the bearing pressing translation table to the workpiece placement fixture. The bearing pressing head falls to press the bearing into the drive end cover. The bearing pressing servo cylinder presses the bearing while detecting the pressure and pressing depth. After the requirements are met, it retracts and moves the workpiece placement fixture in the third station to the fourth station via the workpiece conveying device.

[0022] In the fourth station, the gas-liquid booster cylinder automatically locks the end for pressing, while simultaneously detecting the pressure and pressing depth. The press head automatically rotates 30 degrees and then automatically locks the end again. During pressing, the pressure and pressing depth are detected simultaneously. Once the requirements are met, it retracts, completing the pressing operation.

[0023] This four-station drive end cap pressing and locking machine has the advantages of high efficiency, labor saving, and fast pressing progress.

[0024] Based on the above technical solution, the present invention can be further improved as follows.

[0025] Furthermore, the dynamic seal press-fitting seat also includes a visual inspection device fixedly connected to the left side wall of the inner cavity of the dynamic seal press-fitting seat. The outer side of the dynamic seal press head and the bearing press head are provided with a press-fitting depth detection mechanism. The bottom end of the dynamic seal press head, the bearing press head and the press-fitting lock press head are all provided with a pressure sensor that can contact the surface of the workpiece.

[0026] The advantage of adopting the above-mentioned further solution is that the visual inspection device can monitor and record the pressing process.

[0027] Furthermore, the pressing depth detection mechanism includes a fixed ring, which is fixedly connected to the outside of the dynamic sealing pressing servo cylinder. Below the fixed ring is a top ring that is slidably connected to the outside of the dynamic sealing pressing servo cylinder. Between the top ring and the fixed ring is the same return spring located outside the dynamic sealing pressing servo cylinder.

[0028] The advantage of adopting the above-mentioned further solution is that the return spring can push the top ring to reset when the top ring is not under force, which facilitates the next operation.

[0029] Furthermore, the pressing depth detection mechanism also includes a mounting plate fixedly connected to the right side of the fixed ring. A toothed rod with one end passing through and extending above the fixed ring is fixedly connected to the right side of the top ring. An auxiliary wheel that contacts the left side of the toothed rod is rotatably connected inside the mounting plate. A transmission gear that meshes with the right side of the toothed rod is rotatably connected inside the mounting plate. A rotating gear that meshes with the transmission gear is rotatably connected to the front of the mounting plate. An indicator plate located below the rotating gear is fixedly connected to the outer side of the rotating gear. A scale plate located behind the indicator plate is fixedly connected to the outer side of the mounting plate.

[0030] The advantage of adopting the above-mentioned further solution is that the scale plate can display the values ​​intuitively, making it easy for the operator to observe the pressing depth dimension.

[0031] Furthermore, the pressing depth detection mechanism also includes a mounting rod, which is slidably connected to the outer side of the scale plate and rotatably connected to the front side of the rotating gear. A fastening nut with one end passing through the mounting rod and contacting the right side of the scale plate is threaded to the right side of the mounting rod. A button module is fixedly connected to the outer side of the mounting rod. The indicator plate is triangularly arranged and has a protrusion adapted to the button module fixedly connected to its front side. Three indicator lights, each electrically connected to the button module, are fixedly connected to the front side of the dynamic sealing pressing seat. The button of the button module is located on the back side of the button module.

[0032] The beneficial effect of adopting the above-mentioned further solution is that the pressing depth detection mechanism can mechanically detect the pressing depth when the external electronic depth detection device malfunctions or the calibration value deviates.

[0033] Furthermore, the scale plate is arc-shaped, and a sliding groove adapted to the mounting rod is provided on the front of the scale plate. The right side of the mounting rod is U-shaped. The mounting rod and the button module are both located on the front side of the indicator plate, and a scale groove adapted to the indicator plate is provided on the front of the scale plate.

[0034] The advantage of adopting the above-mentioned further solution is that both the mounting rod and the button module are located on the front side of the indicator plate, which can generate an electrical signal by passing the button module from below the indicator plate when the indicator plate is rotated, and the electrical signal is displayed through the indicator light.

[0035] Furthermore, the driving component includes a cam divider and a drive motor, the cam divider and the drive motor are connected by a transmission, the cam divider is fixedly connected to the top of the turntable, and the cam divider is driven by the drive motor and rotates 90 degrees at a time.

[0036] The beneficial effect of adopting the above-mentioned further solution is that the rotation angle of the cam divider is ninety degrees, which facilitates the workpiece to be press-fitted cyclically between the first station, the second station, the third station and the fourth station. Attached Figure Description

[0037] Figure 1 This is a schematic diagram of the structure of the present invention;

[0038] Figure 2 This is a side view of the structure of the present invention;

[0039] Figure 3 This is a top view of the structure of the present invention;

[0040] Figure 4 This is a three-dimensional diagram of the structure of the present invention;

[0041] Figure 5 This is a front view of the connection structure between the pressing depth detection mechanism and the dynamic seal pressing servo electric cylinder of the present invention;

[0042] Figure 6 This is a front view of the connection structure between the transmission gear and the rotating gear of the present invention.

[0043] In the diagram: 1. First station; 2. Second station; 201. Dynamic seal press-fitting base; 202. Vision inspection device; 203. Dynamic seal press-fitting translation stage; 204. Dynamic seal press-fitting servo electric cylinder; 205. Dynamic seal pressure head; 206. Press-fitting depth detection mechanism; 2061. Fixing ring; 2062. Top ring; 2063. Mounting plate; 2064. Rack and pinion; 2065. Auxiliary wheel; 2066. Transmission gear; 2067. Rotary gear; 2068. Indicator plate; 2069. Scale plate; 20610. Mounting rod; 20611. Fastening nut; 20612 1. Button module; 20613. Protrusion; 20614. Indicator light; 20615. Return spring; 3. Third station; 301. Bearing mounting base; 302. Bearing press-fit translation stage; 303. Bearing press-fit servo cylinder; 304. Bearing press head; 4. Fourth station; 401. Press-fit locking seat; 402. Pneumatic-hydraulic booster cylinder; 403. Press-fit locking head; 404. Locking motor; 405. Belt; 5. Platform base; 6. Workpiece conveying device; 601. Turntable; 602. Workpiece placement fixture; 603. Drive component; 604. Workpiece placement indexing plate. Detailed Implementation

[0044] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0045] In the embodiments, by Figure 1-6 The present invention provides a four-station drive end cap pressing and locking machine, comprising a platform base 5, a workpiece conveying device 6 on the top of the platform base 5, and a first station 1, a second station 2, a third station 3 and a fourth station 4 distributed in a ring at equal distances around the workpiece conveying device 6.

[0046] The workpiece conveying device 6 includes a turntable 601 rotatably mounted on a platform base 5. Four workpiece placement fixtures 602, which are arranged in a ring and are equally spaced, are fixedly connected to the outside of the turntable 601. A drive unit 603 for driving the turntable 601 to rotate circumferentially is fixedly connected to the top of the platform base 5. A workpiece placement indexing plate 604 is provided on the outside of the workpiece placement fixtures 602. The front workpiece placement fixture 602 is located inside the first station 1.

[0047] Station 1 is used for placing unprocessed workpieces and removing processed workpieces;

[0048] The second station 2 includes a dynamic seal press-fitting seat 201, which is fixedly connected to the top of the platform base 5. A dynamic seal press-fitting translation stage 203 is fixedly connected to the top of the dynamic seal press-fitting seat 201. A dynamic seal press-fitting servo electric cylinder 204 with one end extending to the inside of the dynamic seal press-fitting seat 201 is provided on the top of the dynamic seal press-fitting translation stage 203. A dynamic seal press-fitting head 205 is fixedly connected to the bottom of the dynamic seal press-fitting servo electric cylinder 204.

[0049] The top of the dynamic seal press-fitting translation table 203 is equipped with a slide rail, and the dynamic seal press-fitting servo cylinder 204 can be moved by its own sliding motor to pick up the workpiece and place it on the indexing plate 604.

[0050] The third workstation 3 includes a bearing mounting base 301, which is fixedly connected to the top of the platform base 5. A bearing pressing translation stage 302 is fixedly connected to the top of the bearing mounting base 301. A bearing pressing servo cylinder 303 with one end extending to the inside of the bearing mounting base 301 is provided on the top of the bearing pressing translation stage 302. A bearing pressing head 304 is fixedly connected to the bottom of the bearing pressing servo cylinder 303.

[0051] Conventional electromagnetic adsorption devices or vacuum adsorption devices can be installed on the dynamic seal pressure head 205 and the bearing pressure head 304 to achieve the connection and separation between the dynamic seal pressure head 205 and the bearing pressure head 304 and the dynamic seal or bearing, respectively.

[0052] The bearing press-fitting translation table 302 is equipped with a slide rail on its top and can move the bearing press-fitting servo cylinder 303 by its own sliding motor to pick up the workpiece and place it on the indexing plate 604.

[0053] The fourth station 4 includes a riveting lock mounting base 401, which is fixedly connected to the top of the platform base 5. The top of the riveting lock mounting base 401 is provided with a pneumatic-hydraulic booster cylinder 402 with one end extending to the inside of the riveting lock mounting base 401. The bottom of the pneumatic-hydraulic booster cylinder 402 is rotatably connected to a riveting lock head 403. A locking motor 404 is fixedly connected to the left side of the pneumatic-hydraulic booster cylinder 402. The locking motor 404 and the riveting lock head 403 are connected by the same belt 405.

[0054] The dynamic seal press-fitting base 201 also includes a visual inspection device 202 fixedly connected to the left side wall of the inner cavity of the dynamic seal press-fitting base 201. The outer side of the dynamic seal press head 205 and the bearing press head 304 are provided with a press-fitting depth detection mechanism 206. The bottom end of the dynamic seal press head 205, the bearing press head 304 and the press-fitting lock press head 403 are provided with a pressure sensor that can contact the surface of the workpiece.

[0055] The visual inspection device 202 can monitor and record the pressing process;

[0056] The pressing depth detection mechanism 206 includes a fixed ring 2061, which is fixedly connected to the outside of the dynamic seal pressing servo cylinder 204. A top ring 2062 is provided below the fixed ring 2061 and is slidably connected to the outside of the dynamic seal pressing servo cylinder 204. A return spring 20615 is provided between the top ring 2062 and the fixed ring 2061 and is located outside the dynamic seal pressing servo cylinder 204.

[0057] The return spring 20615 can push the top ring 2062 to reset when the top ring 2062 is not under force, which facilitates the next operation.

[0058] The pressing depth detection mechanism 206 also includes a mounting plate 2063 fixedly connected to the right side of the fixed ring 2061, a rack 2064 with one end passing through and extending above the fixed ring 2061 fixedly connected to the right side of the top ring 2062, an auxiliary wheel 2065 rotatably connected inside the mounting plate 2063 and contacting the left side of the rack 2064, a transmission gear 2066 meshing with the right side of the rack 2064 rotatably connected inside the mounting plate 2063, a rotating gear 2067 meshing with the transmission gear 2066 rotatably connected to the front of the mounting plate 2063, an indicator plate 2068 located below the rotating gear 2067 fixedly connected to the outside of the rotating gear 2067, and a scale plate 2069 located behind the indicator plate 2068 fixedly connected to the outside of the mounting plate 2063.

[0059] The 2069 scale plate can display values ​​intuitively, making it easy for operators to observe the pressing depth dimensions.

[0060] The pressing depth detection mechanism 206 also includes a mounting rod 20610, which is slidably connected to the outer side of the scale plate 2069 and rotatably connected to the front side of the rotating gear 2067. A fastening nut 20611 with one end passing through the mounting rod 20610 and contacting the right side of the scale plate 2069 is threaded to the right side of the mounting rod 20610. A button module 20612 is fixedly connected to the outer side of the mounting rod 20610. The indicator plate 2068 is triangular and has a protrusion 20613 that matches the button module 20612 fixedly connected to its front side. Three indicator lights 20614 that are electrically connected to the button module 20612 are fixedly connected to the front side of the dynamic sealing pressing seat 201. The button of the button module 20612 is located on the back side of the button module 20612.

[0061] The pressing depth detection mechanism 206 can mechanically detect the pressing depth when the external electronic depth detection device malfunctions or the calibration value deviates.

[0062] The scale plate 2069 is arc-shaped, and the front of the scale plate 2069 has a sliding groove that matches the mounting rod 20610. The right side of the mounting rod 20610 is U-shaped. The mounting rod 20610 and the button module 20612 are both located in front of the indicator plate 2068. The front of the scale plate 2069 has a scale groove that matches the indicator plate 2068.

[0063] The mounting rod 20610 and the button module 20612 are both located on the front side of the indicator plate. When the indicator plate 2068 is rotated, the indicator plate 2068 can generate an electrical signal by passing under the button module 20612 and pressing the button module 20612. The electrical signal is then displayed through the indicator light 20614.

[0064] The driving component 603 includes a cam divider and a drive motor. The cam divider and the drive motor are connected by a drive mechanism. The cam divider is fixedly connected to the top of the turntable 601. The cam divider is driven by the drive motor and rotates 90 degrees at a time.

[0065] The cam divider has a rotation angle of 90 degrees, which facilitates the workpiece to be press-fitted cyclically between the first station 1, the second station 2, the third station 3, and the fourth station 4.

[0066] Working principle:

[0067] Step 1: Loosen the fastening nut 20611, slide the mounting rod 20610 through the scale plate 2069, so that the mounting rod 20610 drives the button module 20612 to move to the specified depth position, and then tighten the fastening nut 20611. The operator stands in front of the first station 1 and manually loads and unloads the workpieces to be installed (skeleton dynamic seal, bearing, drive end cover) into the workpiece placement indexing plate 604 on the workpiece placement fixture 602 in sequence. Start the drive motor and cam divider of the drive component 603 of the workpiece conveying device 6, so that the drive motor rotates the workpiece placement fixture 602 in the first station 1 by ninety degrees through the cam divider to the dynamic seal pressing seat 201 in the second station 2.

[0068] Step 2: The dynamic seal pressing servo cylinder 204 at the second workstation 2 is moved to above the workpiece placement indexing plate 604 via the dynamic seal pressing translation table 203. At this time, the dynamic seal pressing head 205 is automatically removed from the workpiece placement indexing plate 604 by the dynamic seal pressing servo cylinder 204 descending. The dynamic seal pressing head 205 rises and is moved to above the workpiece placement fixture 602 via the dynamic seal pressing translation table 203. The dynamic seal pressing head 205 descends to press the dynamic seal into the drive end cover. During pressing, the top ring 2062 contacts the top of the drive end cover and rises due to pressure. When the top ring 2062 rises, the rack 2064 is adjusted to rise. 4. The rotating gear 2067 is driven to rotate by the transmission gear 2066 meshing with it. When the rotating gear 2067 rotates, it drives the indicator plate 2068 to indicate the pressing depth on the scale plate 2069. When the appropriate depth is reached, the indicator plate 2068 presses the button of the button module 20612 through the protrusion 20613 to retract. At this time, the button module 20612 receives the signal and transmits the electrical signal to the indicator light 20614 through the electrical connection, which lights up the indicator light 20614 and shows that the pressing depth is qualified. After meeting the requirements, the grease is injected in a quantitative manner. After completion, it returns and moves the workpiece placement fixture 602 in the second station 2 to the third station 3 through the workpiece conveying device 6.

[0069] Step 3: The bearing pressing servo cylinder 303 in the third station 3 is moved to above the workpiece placement indexing plate 604 via the bearing pressing translation table 302. The bearing pressing head 304 is lowered via the bearing pressing servo cylinder 303 to automatically remove the bearing from the workpiece placement indexing plate 604. The bearing pressing head 304 rises and is moved to above the workpiece placement fixture 602 via the bearing pressing translation table 302. The bearing pressing head 304 is lowered via the bearing pressing servo cylinder 303 to press the bearing into the drive end cover. The bearing pressing servo cylinder 303 detects the pressure and pressing depth at the same time as pressing. After meeting the requirements, it retracts and moves the workpiece placement fixture 602 in the third station 3 to the fourth station 4 via the workpiece conveying device 6.

[0070] Step 4: The pneumatic-hydraulic booster cylinder 402 in the fourth station 4 descends to engage the riveting lock head 403 with the outside of the drive end cover for press fitting. At the same time, the pressure is checked. After press fitting is completed, the lock motor 404 is started. The lock motor 404 drives the riveting lock head 403 to rotate 30 degrees via the pneumatic-hydraulic booster cylinder via the belt 405 and then automatically locks the head, completing the press fitting operation. Finally, the workpiece is rotated to the first station 1 via the workpiece conveyor 6 for manual unloading.

[0071] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0072] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A four-station drive end cap pressing and locking machine, comprising a platform base (5), characterized in that: The top of the platform base (5) is provided with a workpiece conveying device (6) and a first workstation (1), a second workstation (2), a third workstation (3) and a fourth workstation (4) that are distributed in a ring at equal distances around the workpiece conveying device (6). The workpiece conveying device (6) includes a turntable (601) rotatably mounted on a platform base (5). Four workpiece placement fixtures (602) are fixedly connected to the outside of the turntable (601) and are distributed in a ring at equal distances. A drive unit (603) for driving the turntable (601) to rotate circumferentially is fixedly connected to the top of the platform base (5). A workpiece placement indexing plate (604) is provided on the outside of the workpiece placement fixture (602). The front workpiece placement fixture (602) is located inside the first station (1). The first workstation (1) is used to place unprocessed workpieces and remove processed workpieces; The second workstation (2) includes a dynamic seal press-fitting seat (201), which is fixedly connected to the top of the platform base (5). A dynamic seal press-fitting translation stage (203) is fixedly connected to the top of the dynamic seal press-fitting seat (201). A dynamic seal press-fitting servo electric cylinder (204) with one end extending to the inside of the dynamic seal press-fitting seat (201) is provided on the top of the dynamic seal press-fitting translation stage (203). A dynamic seal press-fitting head (205) is fixedly connected to the bottom of the dynamic seal press-fitting servo electric cylinder (204). The third workstation (3) includes a bearing mounting base (301), which is fixedly connected to the top of the platform base (5). A bearing press-fitting translation stage (302) is fixedly connected to the top of the bearing mounting base (301). A bearing press-fitting servo cylinder (303) with one end extending to the inside of the bearing mounting base (301) is provided on the top of the bearing press-fitting translation stage (302). A bearing press head (304) is fixedly connected to the bottom of the bearing press-fitting servo cylinder (303). The fourth work station (4) includes a riveting lock press-fit seat (401), which is fixedly connected to the top of the platform base (5). The top of the riveting lock press-fit seat (401) is provided with a pneumatic-hydraulic booster cylinder (402) with one end extending to the inside of the riveting lock press-fit seat (401). The bottom of the pneumatic-hydraulic booster cylinder (402) is rotatably connected to a riveting lock press head (403). A lock motor (404) is fixedly connected to the left side of the pneumatic-hydraulic booster cylinder (402). The lock motor (404) and the riveting lock press head (403) are connected by the same belt (405). Both the dynamic sealing head (205) and the bearing head (304) are equipped with a pressing depth detection mechanism (206) on their outer sides. The pressing depth detection mechanism (206) includes a fixed ring (2061), which is fixedly connected to the outside of the dynamic sealing pressing servo cylinder (204). A top ring (2062) is provided below the fixed ring (2061) and is slidably connected to the outside of the dynamic sealing pressing servo cylinder (204). A return spring (20615) is provided between the top ring (2062) and the fixed ring (2061) and is located outside the dynamic sealing pressing servo cylinder (204). The pressing depth detection mechanism (206) further includes a mounting plate (2063) fixedly connected to the right side of the fixed ring (2061). A rack (2064) with one end passing through and extending above the fixed ring (2061) is fixedly connected to the right side of the top ring (2062). An auxiliary wheel (2065) that contacts the left side of the rack (2064) is rotatably connected inside the mounting plate (2063). A transmission gear (2066) that meshes with the right side of the rack (2064) is rotatably connected inside the mounting plate (2063). A rotating gear (2067) that meshes with the transmission gear (2066) is rotatably connected to the front of the mounting plate (2063). An indicator plate (2068) located below the rotating gear (2067) is fixedly connected to the outer side of the rotating gear (2067). A scale plate (2069) located behind the indicator plate (2068) is fixedly connected to the outer side of the mounting plate (2063). The pressing depth detection mechanism (206) further includes a mounting rod (20610), which is slidably connected to the outer side of the scale plate (2069) and rotatably connected to the front side of the rotating gear (2067). A fastening nut (20611) is threaded onto the right side of the mounting rod (20610), with one end passing through the mounting rod (20610) and contacting the right side of the scale plate (2069). 10) is fixedly connected to the outside of a button module (20612). The indicator plate (2068) is triangular and has a protrusion (20613) that is compatible with the button module (20612) fixedly connected to its front. The dynamic sealing pressure seat (201) has three indicator lights (20614) fixedly connected to its front, each of which is electrically connected to the button module (20612). The button of the button module (20612) is located on the back of the button module (20612).

2. The four-station drive end cap pressing and locking machine according to claim 1, characterized in that: The dynamic seal press-fitting seat (201) also includes a visual inspection device (202) fixedly connected to the left side wall of the inner cavity of the dynamic seal press-fitting seat (201). The bottom ends of the dynamic seal press head (205), bearing press head (304) and riveting lock press head (403) are all provided with pressure sensors that can contact the surface of the workpiece.

3. The four-station drive end cap pressing and locking machine according to claim 1, characterized in that: The drive unit (603) includes a cam divider and a drive motor. The cam divider and the drive motor are connected by a transmission. The cam divider is fixedly connected to the top of the turntable (601). The cam divider is driven by the drive motor and rotates 90 degrees at a time.

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