Planet carrier clamp spring pressing device of planetary reducer

Abstract

The utility model discloses a planet carrier clamp spring pressing device of a planetary reducer, which is used for pressing a clamp spring on a planet gear component and a planet carrier, and comprises a main machine body and a fixing device arranged at the top of the main machine body, and a pressing component used for pressing the clamp spring into the planet carrier is fixed on one side of the top of the main machine body close to the fixing device. The main machine body is further provided with a feeding assembly used for continuously feeding snap springs, the pressing assembly comprises a snap spring opening assembly used for opening the snap springs, and the snap spring opening assembly comprises two rotating discs which synchronously and reversely rotate. The clamp spring opening assembly comprises a rotating disc and a connecting pin installed on the rotating disc, the connecting pin is inserted into two holes in the clamp spring, and the clamp spring is opened through rotation of the rotating disc, so that the clamp spring is conveniently arranged on a shaft of the planet wheel in a sleeving mode, and the clamp spring is prevented from being damaged when the clamp spring is pressed subsequently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of planetary reducer, concretely to a planet carrier pressure clamp spring device of planetary reducer. BACKGROUND

[0002] The planetary reducer is a power transmission mechanism, which utilizes the speed converter of gear to reduce the rotation number of the rotary driving member to the required rotation number and obtain larger torque. The planetary reducer is mainly composed of planetary gears, a sun gear, an inner ring gear and a planet carrier. The planetary gears rotate around the sun gear and complete the transmission system in the toothed ring of the inner ring gear. After the planetary gears are installed on the planet carrier, the clamp spring needs to be installed to prevent the planetary gears from moving in the axial direction. Therefore, the clamp spring pressing device is needed. However, the existing clamp spring pressing device needs to manually place the clamp spring on the planetary gear, which results in low pressing efficiency.

[0003] In the prior art, for example, the utility model discloses an automatic planet carrier clamp spring pressing device (publication number CN221087902U), which comprises a mounting table and a rotary table arranged on the mounting table. The automatic planet carrier clamp spring pressing device further comprises an automatic planet carrier clamp spring pressing device arranged on the mounting table and surrounding the rotary table. The automatic planet carrier clamp spring pressing device comprises a clamp spring pressing device arranged in a vertical state and a planet carrier blanking device arranged beside the clamp spring pressing device.

[0004] In the prior art, the clamp spring is automatically pressed into the clamp spring groove of the planet carrier output shaft by the automatic planet carrier clamp spring pressing device, and the installed planet carrier is automatically removed from the support seat, thereby improving the work efficiency and saving labor costs. However, the hole in the clamp spring is generally smaller than the shaft of the planetary gear, so that the shaft of the planetary gear and the clamp spring form an interference fit. During pressing, the clamp spring is not expanded, which may cause the clamp spring to deform or break during pressing, resulting in waste of the clamp spring. UTILITY MODEL CONTENTS

[0005] The planet carrier clamp spring pressing device of the planetary reducer of the utility model comprises a lower pressing assembly, a clamp spring expanding assembly and a planet carrier blanking device. The clamp spring expanding assembly is installed on the lower pressing assembly. The clamp spring expanding assembly comprises a rotating disc and a connecting pin installed on the rotating disc. The connecting pin is inserted into the two holes in the clamp spring. The rotating disc is rotated to expand the clamp spring, so that the clamp spring can be easily sleeved on the shaft of the planetary gear, and the clamp spring is prevented from being damaged during subsequent pressing.

[0006] In order to solve the prior art problems, the utility model provides a kind of planetary gear reducer's planet carrier pressure clamp spring device, clamp spring is pressed into planetary gear assembly and planet carrier, including main body and the fixing device being installed in the top of main body, the lower side of the top of main body is fixed with the press-down component for being pressed into planet carrier for clamp spring, the upper surface of the main body is also provided with the feeding assembly for the continuous feeding of clamp spring, the press-down component includes the clamp spring opening component for opening clamp spring, and the clamp spring opening component includes two synchronous reverse rotation turntables, and the bottom of turntable is fixed with the connecting pin corresponding to the hole on clamp spring.

[0007] Preferably, the clamp spring opening component further includes a rotating component for driving the two turntables to rotate in opposite directions, the rotating component in the clamp spring opening component includes a second gear installed on each turntable, and the two second gears are meshed with each other, the rotating component in the clamp spring opening component includes a second rotating drive member, and the output end of the second rotating drive member is fixedly connected with one of the second gears.

[0008] Preferably, the press-down component includes a fixed frame and a moving frame reciprocally moving between the fixed frame, the fixed frame is fixed on the top of the main body, a third telescopic drive member for driving the moving frame to reciprocally move is fixedly connected with the top of the moving frame, and the clamp spring opening component is installed in the moving frame.

[0009] Preferably, the press-down component further includes a fourth telescopic drive member and a press-fit head, the fourth telescopic drive member is used to drive the press-fit head to move downward and contact with the clamp spring, and the cross section of the press-fit head is arc-shaped.

[0010] Preferably, the feeding assembly includes a fixing member installed on the main body and a feeding slide reciprocally moving on the fixing member, a clamp spring placing groove for placing the clamp spring is formed on the feeding slide, the state of the feeding slide includes a feeding position and a press-fit position, and a second telescopic drive member for driving the feeding slide to reciprocally move between the feeding position and the press-fit position is fixed on the fixing member.

[0011] Preferably, the feeding assembly further includes a clamp spring placing cylinder for storing the clamp spring, the clamp spring placing cylinder is fixed on the press-down component through a support, and the bottom end of the clamp spring placing cylinder is close to the upper surface of the feeding slide, when the clamp spring placing groove on the feeding slide moves to the bottom of the clamp spring placing cylinder, the feeding slide is in a working position for unloading the clamp spring.

[0012] Preferably, the fixing device includes a clamping component capable of rotating on the main body and a driving component for driving the clamping component to rotate.

[0013] Preferably, the clamping assembly comprises a fixed disc, the top of the fixed disc is uniformly provided with a plurality of sliders for reciprocating movement, and the sliders are fixed with clamping rings for fixing the planetary gear set in the planetary reducer, the clamping assembly further comprises a first telescopic driving member for driving the sliders to reciprocate, the first telescopic driving member is installed at the bottom of the fixed disc, the output end of the first telescopic driving member is connected with a moving disc, the moving disc is provided with a support corresponding to the slider, and the support and the slider are further movably provided with an adjusting member for transmission.

[0014] The driving assembly comprises a tooth ring installed outside the fixed disc, and the tooth ring is provided with a avoiding groove for avoiding the slider, and the driving assembly further comprises a first rotary driving member and a first gear, the output end of the first rotary driving member is fixedly connected with the first gear, and the first gear is meshed with the tooth ring.

[0015] Compared with the prior art, the planetary carrier clamp spring device has the following advantages:

[0016] (1) By setting the lower pressing assembly, the lower pressing assembly comprises a clamp spring opening assembly, the clamp spring opening assembly comprises a rotating disc and connecting pins connected to the rotating disc, the two connecting pins are inserted into the holes in the clamp spring, when pressing is needed, the connecting pins are rotated by rotating the rotating disc, so that the clamp spring is opened, which facilitates subsequent sleeving of the clamp spring on the shaft of the planetary gear, and facilitates subsequent pressing of the clamp spring on the corresponding position of the planetary carrier, thereby avoiding damage to the clamp spring during subsequent pressing.

[0017] (2) The application also provides a fixing member, a feeding slide plate is slidably arranged on the fixing member, a clamp spring placing groove corresponding to the clamp spring is formed in the feeding slide plate, and a clamp spring placing cylinder is further arranged on the feeding assembly, the clamp spring placing cylinder stores the clamp spring, when the clamp spring placing groove moves to the bottom of the clamp spring placing cylinder, the clamp spring falls into the clamp spring placing groove, the feeding slide plate is moved to the pressing position by the second telescopic driving member, and subsequent pressing is performed, so that the clamp spring is automatically fed by the equipment, and the working efficiency is improved.

[0018] (3) The application also provides a pressing head, the cross section of the pressing head is arc-shaped and corresponds to the shape of the clamp spring, so that the clamp spring can be stressed to the maximum extent during pressing, the clamp spring is balanced in stress, and the clamp spring is prevented from being damaged due to unbalanced stress during pressing. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a first three-dimensional structure schematic view of a planetary carrier clamp spring device of a planetary reducer.

[0020] Figure 2 It is a second three-dimensional structure schematic view of a planetary carrier clamp spring device of a planetary reducer.

[0021] Figure 3 It is a first perspective structural schematic view of a pressing assembly of a planet carrier press spring device of a planetary reducer.

[0022] Figure 4 It is a second perspective structural schematic view of a pressing assembly of a planet carrier press spring device of a planetary reducer.

[0023] Figure 5 It is a third perspective structural schematic view of a pressing assembly of a planet carrier press spring device of a planetary reducer.

[0024] Figure 6 It is a perspective structural schematic view of a feeding assembly of a planet carrier press spring device of a planetary reducer.

[0025] Figure 7 It is a perspective structural schematic view of a fixing device of a planet carrier press spring device of a planetary reducer.

[0026] Figure 8 It is a structural schematic view of a clamping assembly of a planet carrier press spring device of a planetary reducer.

[0027] In the figure, the reference signs are as follows: 1, main body; 11, fixing device; 111, driving assembly; 1111, first rotary driving piece; 1112, first gear; 1113, toothed ring; 112, clamping assembly; 1121, fixed disc; 1122, moving disc; 1123, first telescopic driving piece; 1124, supporting piece; 1125, adjusting piece; 1126, sliding block; 1127, clamping ring; 12, feeding assembly; 121, fixed piece; 122, feeding slide plate; 1221, press spring placing groove; 123, second telescopic driving piece; 124, press spring placing cylinder; 13, pressing assembly; 131, fixed frame; 132, third telescopic driving piece; 133, moving frame; 134, press spring opening assembly; 1341, second rotary driving piece; 1342, second gear; 1343, rotating disc; 1344, connecting pin; 135, fourth telescopic driving piece; 1351, pressing head. DETAILED DESCRIPTION

[0028] In order to further understand the features, technical means and specific purposes and functions achieved by the utility model, the utility model is described in further detail below in combination with the drawings and specific embodiments.

[0029] Reference Figures 1-5The utility model provides: a kind of planet carrier pressure circlip device of planetary reducer, circlip is pressed into planetary gear assembly and planet carrier, including main body 1 and the fixing device 11 being installed in the top of main body 1, the lower side of the top of main body 1 close to fixing device 11 is fixed with the pressing assembly 13 for being pressed into planet carrier to the circlip, main body 1 is also provided with the feeding assembly 12 for the continuous feeding of circlip, feeding assembly 12 is responsible for the continuous, stable delivery of circlip to pressing position, for arranging and delivering circlip to specified position one by one. Pressing assembly 13 includes the circlip opening assembly 134 for opening circlip, and the circlip opening assembly 134 includes two synchronous reverse rotation turntable 1343, the bottom of turntable 1343 is fixed with the connecting pin 1344 corresponding to the hole on circlip, when circlip is delivered to the bottom of turntable 1343, connecting pin 1344 is inserted into the two holes in circlip, then two turntables 1343 are synchronously reversed, and the shaft hole of circlip is opened by connecting pin 1344, so that it can be smoothly sleeved on the shaft of planetary gear assembly.

[0030] The circlip opening assembly 134 also includes a rotating assembly for driving the two turntables 1343 to rotate in opposite directions. The rotating assembly in the circlip opening assembly 134 includes second gears 1342 installed on the two turntables 1343 respectively. The two second gears 1342 are meshed with each other. The rotating assembly in the circlip opening assembly 134 includes a second rotary drive member 1341. The output end of the second rotary drive member 1341 is fixedly connected with one of the second gears 1342. When one of the second gears 1342 rotates, the other second gear 1342 will rotate in the opposite direction due to the meshing relationship, thereby achieving synchronous reverse rotation of the two turntables 1343. The second rotary drive member 1341 is the power source for driving the rotating assembly to work. The second rotary drive member 1341 can be a motor or a speed reducer, etc.

[0031] The pressing assembly 13 includes fixed frames 131 and a moving frame 133 that moves back and forth between the fixed frames 131. The fixed frames 131 are fixed on the top of the main body 1. A third telescopic drive member 132 for driving the moving frame 133 to move back and forth is fixedly connected with the top of the moving frame 133. The output end of the third telescopic drive member 132 passes through the top of the fixed frame 131 and is fixedly connected with the top of the moving frame 133. When the third telescopic drive member 132 is started, it will push or pull the moving frame 133 to move back and forth between the fixed frames 131. This back-and-forth movement is a key step for pressing the circlip. The circlip opening assembly 134 is installed in the moving frame 133. When the moving frame 133 moves, the circlip opening assembly 134 will also move, thereby bringing the circlip to the pressing position and performing the opening and pressing actions.

[0032] The pressing assembly 13 further comprises a fourth telescopic driving member 135 and a pressing head 1351, the fourth telescopic driving member 135 is used to drive the pressing head 1351 to move downward to contact the circlip, and the cross section of the pressing head 1351 is arc-shaped.

[0033] The fourth telescopic driving member 135 is installed on the moving frame 133 or in a position associated therewith, and is used to drive the pressing head 1351 to move up and down, and the cross section of the pressing head 1351 is arc-shaped, which can better match the shape of the circlip, so that the pressure is more uniform and stable, when the moving frame 133 carrying the circlip opening assembly 134 is lowered to the specified position, the fourth telescopic driving member 135 is started to push the pressing head 1351 to move downward to contact the circlip and apply pressure, when the circlip is completely pressed into the planetary carrier, the fourth telescopic driving member 135 and the third telescopic driving member 132 move reversely respectively to pull the pressing head 1351 and the moving frame 133 back to the initial position, preparing for the next pressing.

[0034] Reference Figure 6 As shown, the feeding assembly 12 comprises a fixed member 121 installed on the main body 1 and a feeding slide plate 122 reciprocatingly moving on the fixed member 121, and the feeding slide plate 122 is provided with circlip placing grooves 1221 for placing the circlips, the design of these grooves ensures that the circlips can be stably placed on the feeding slide plate 122 and will not be displaced or dropped during movement, and the state of the feeding slide plate 122 comprises a feeding position and a pressing position, and the fixed member 121 is further fixed with a second telescopic driving member 123 for driving the feeding slide plate 122 to reciprocate between the feeding position and the pressing position, and the feeding slide plate 122 reciprocates on the fixed member 121 to carry the circlips from the feeding position to the pressing position, when the second telescopic driving member 123 is started, it will push or pull the feeding slide plate 122 to move along the track of the fixed member 121, and the second telescopic driving member 123 can be a pneumatic cylinder, an electric push rod or other mechanisms capable of realizing reciprocating movement.

[0035] The feeding assembly 12 further comprises a circlip placing cylinder 124 for storing the circlips, and the circlip placing cylinder 124 is fixed on the pressing assembly 13 through a support, and the bottom end of the circlip placing cylinder 124 is close to the upper surface of the feeding slide plate 122, when the circlip placing grooves 1221 on the feeding slide plate 122 move to the bottom of the circlip placing cylinder 124, the feeding slide plate 122 is at the working position for unloading the circlips.

[0036] During the feeding process, the circlips are first placed in the circlip placing cylinder 124, then the second telescopic driving member 123 is started, when the feeding slide plate 122 reaches the working position, the circlip placing grooves 1221 are aligned with the bottom end of the circlip placing cylinder 124, the circlips fall into the circlip placing grooves 1221 due to gravity or the help of auxiliary mechanisms, and the second telescopic driving member 123 is started again to push the feeding slide plate 122 to move from the working position to the pressing position.

[0037] Referring to Figure 7 and Figure 8 As shown in the drawings, the fixing device 11 comprises a clamping assembly 112 capable of rotating with the main body 1 and a driving assembly 111 driving the clamping assembly 112 to rotate. The clamping assembly 112 comprises a fixed disc 1121, and a plurality of sliders 1126 for reciprocating movement are uniformly distributed on the top of the fixed disc 1121. A clamping ring 1127 for fixing the planetary gear set in the planetary reducer is fixed on each slider 1126. The clamping assembly 112 further comprises a first telescopic driving piece 1123 for driving the sliders 1126 to reciprocate, which is installed at the bottom of the fixed disc 1121. The output end of the first telescopic driving piece 1123 is connected with a moving disc 1122, and the moving disc 1122 is provided with a support 1124 corresponding to the sliders 1126. An adjusting piece 1125 for transmission is movably arranged between the support 1124 and the slider 1126. The driving assembly 111 comprises a tooth ring 1113 installed outside the fixed disc 1121, and an avoiding slot for avoiding the sliders 1126 is formed in the tooth ring 1113. The driving assembly 111 further comprises a first rotary driving piece 1111 and a first gear 1112. The output end of the first rotary driving piece 1111 is fixedly connected with the first gear 1112, and the first gear 1112 is engaged with the tooth ring 1113.

[0038] When fixing the planetary gear set, the first telescopic driving piece 1123 is started to push the moving disc 1122 to move upwards, and then the sliders 1126 and the clamping rings 1127 are driven by the support 1124 to move towards the planetary gear set until the clamping rings 1127 tightly fix the planetary gear set. The first rotary driving piece 1111 is started to drive the first gear 1112 to rotate, and then drive the tooth ring 1113 and the entire clamping assembly 112 to rotate, so as to change the position of the planetary gears on the planetary gear set, so that the shaft on each planetary gear can be pressed into the snap spring.

[0039] Working principle: in use, by placing the spring to be pressed into the spring placing cylinder 124, then the planet carrier and the planet wheel and the sun gear are matched to the planet carrier, then the planet carrier and the planet wheel and the sun gear assembly after matching are placed on the fixing device 11, the first telescopic drive 1123 is started, the first telescopic drive 1123 moves the moving disc 1122, the moving disc 1122 drives the supporting part 1124 to move, and then the slider 1126 moves on the fixed disc 1121, the slider 1126 fixes the planet carrier and the planet wheel and the sun gear assembly through the clamping ring 1127, then the spring placing groove 1221 moves to the bottom of the spring placing cylinder 124, then the spring in the spring placing cylinder 124 falls into the spring placing groove 1221, then the second telescopic drive 123 is started, the second telescopic drive 123 moves the feeding slide plate 122, so that the feeding slide plate 122 moves to the pressing position, then the third telescopic drive 132 is started, the third telescopic drive 132 moves the moving frame 133 downwards, the two connecting pins 1344 on the moving frame 133 are inserted into the two holes on the spring, then the second rotary drive 1341 is started, the second rotary drive 1341 rotates the second gear 1342, the second gear 1342 rotates the rotating disc 1343, and then the spring is opened, then the first rotary drive 1111 is started, the first rotary drive 1111 rotates the first gear 1112, the first gear 1112 rotates the gear ring 1113, and then the clamping assembly 112 rotates, and the corresponding planet wheel is moved to the pressing position, then the spring is sleeved on the shaft of the planet wheel through the moving frame 133, then the fourth telescopic drive 135 is started, the fourth telescopic drive 135 presses the pressing head 1351 downwards, and the spring is pressed into the corresponding position of the planet carrier, and the cross section of the pressing head 1351 is arc-shaped and matched with the shape of the spring, so that the spring can bear the maximum force during pressing, and the spring force is balanced, so that the spring is not pressed and damaged due to unbalanced force during pressing.

[0040] The above embodiments only express one or several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A planet carrier clamp spring device for a planetary gear assembly of a planetary reducer, for clamping a clamp spring to a planet carrier, characterized in that: The utility model relates to a card spring continuous feeding device, including host body (1) and the fixing device (11) installed on the top of host body (1), the one side of top of host body (1) is fixed with the lower pressure assembly (13) for the card spring press -fitting to planetary carrier near fixing device (11), still be provided with the feeding assembly (12) for the card spring continuous feeding on host body (1), the lower pressure assembly (13) includes the card spring opening assembly (134) for the card spring opening, and the card spring opening assembly (134) includes two synchronous reverse rotation turntable (1343), and the bottom of turntable (1343) is fixed with the connecting pin (1344) corresponding with the hole on the card spring.

2. The planet carrier press spring device of the planetary reducer according to claim 1, characterized in that: The card spring opening assembly (134) further comprises a rotating assembly for driving the two turntables (1343) to rotate in opposite directions, the rotating assembly in the card spring opening assembly (134) comprises second gears (1342) mounted on the turntables (1343) respectively, the two second gears (1342) are meshed with each other, and the rotating assembly in the card spring opening assembly (134) comprises a second rotating drive member (1341), the output end of the second rotating drive member (1341) is fixedly connected with one of the second gears (1342).

3. A planet carrier clamp spring device for a planetary gear reducer according to claim 2, characterized in that: The lower pressure assembly (13) comprises fixed frames (131) and a moving frame (133) reciprocally moving between the fixed frames (131), the fixed frames (131) are fixed on the top of the host body (1), a third telescopic drive member (132) for driving the moving frame (133) to reciprocally move is fixed on the top center of the fixed frames (131), the output end of the third telescopic drive member (132) penetrates through the top of the fixed frames (131) and is fixedly connected with the top of the moving frame (133), and the card spring opening assembly (134) is mounted in the moving frame (133).

4. The planet carrier clamp spring device of claim 3, wherein: The lower pressure assembly (13) further comprises a fourth telescopic drive member (135) and a press -fitting head (1351), the fourth telescopic drive member (135) is used for driving the press -fitting head (1351) to move downward and contact with the card spring, and the cross section of the press -fitting head (1351) is arc-shaped.

5. The planet carrier clamp spring device of claim 1, wherein: The feeding assembly (12) comprises a fixing member (121) mounted on the host body (1) and a feeding slide plate (122) reciprocally moving on the fixing member (121), the feeding slide plate (122) is provided with a card spring placing groove (1221) for placing the card spring, and the state of the feeding slide plate (122) comprises a feeding position and a press -fitting position, and a second telescopic drive member (123) for driving the feeding slide plate (122) to reciprocally move between the feeding position and the press -fitting position is further fixed on the fixing member (121).

6. A planet carrier clamp spring device for a planetary gear reducer according to claim 5, characterized in that: The feeding assembly (12) further comprises a card spring placing cylinder (124) for storing the card spring, the card spring placing cylinder (124) is fixed on the lower pressure assembly (13) through a support, the bottom end of the card spring placing cylinder (124) is close to the upper surface of the feeding slide plate (122), when the card spring placing groove (1221) on the feeding slide plate (122) moves to the bottom of the card spring placing cylinder (124), the feeding slide plate (122) is at a working position for card spring feeding.

7. A planet carrier clamp spring device for a planetary gear reducer according to claim 1, characterized in that: The fixing device (11) comprises a clamping assembly (112) capable of rotating with the main body (1) and a driving assembly (111) for driving the clamping assembly (112) to rotate.

8. A planet carrier clamp spring device for a planetary gear reducer according to claim 7, characterized in that: The clamping assembly (112) comprises a fixed disc (1121), a plurality of sliders (1126) for reciprocating movement are uniformly distributed on the top of the fixed disc (1121), and a clamping ring (1127) for fixing a planetary gear set in a planetary reducer is fixed on the slider (1126); the clamping assembly (112) further comprises a first telescopic driving piece (1123) for driving the slider (1126) to reciprocate, the first telescopic driving piece (1123) is installed at the bottom of the fixed disc (1121), a moving disc (1122) is connected to the output end of the first telescopic driving piece (1123), a support (1124) corresponding to the slider (1126) is arranged on the moving disc (1122), and an adjusting piece (1125) for transmission is movably arranged between the support (1124) and the slider (1126).

9. The planet carrier clamp spring device of claim 7, wherein: The driving assembly (111) comprises a tooth ring (1113) installed outside the fixed disc (1121), and an avoiding groove for avoiding the slider (1126) is formed in the tooth ring (1113); the driving assembly (111) further comprises a first rotary driving piece (1111) and a first gear (1112), the output end of the first rotary driving piece (1111) is fixedly connected with the first gear (1112), and the first gear (1112) is meshed with the tooth ring (1113).

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