Improved electric rotary clamping jaw
The integrated electric rotary gripper combines gripper movement, gripping drive, and rotation drive mechanisms within the upper housing, solving the problems of large size, complex structure, and high cost of traditional electric grippers. This results in a compact, miniaturized, and highly reliable electric rotary gripper.
Patent Information
- Application Number
- CN202422789285.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-15
AI Technical Summary
The split structure of traditional electric grippers results in large device size, which limits their application in space-constrained scenarios. They also suffer from problems such as complex structure, numerous parts, high cost, and low reliability.
The design adopts an integrated approach, combining the gripper movement, gripping drive, and rotation drive mechanism within the upper housing. This simplifies the structure, reduces the number of parts, uses square aluminum for machining to lower costs, and reinforces the gripping drive mechanism with a middle layer component to improve rotational stability.
The compact and miniaturized gripper design reduces manufacturing costs, simplifies the installation process, and improves the stability and reliability of the rotational motion.
Smart Images

Figure CN223589443U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rotating jaw technology field especially relates to an improved electric rotary jaw. BACKGROUND
[0002] With the rapid development of automation technology, electric jaw as indispensable component on the automation production line, its performance and structure optimization is directly related to the efficiency and cost of the whole production line, the current market, for the demand of electric jaw that can realize rotation and clamping function simultaneously is increasing.
[0003] Traditional electric jaw design often divides the clamping and rotating function into two independent parts, namely the jaw main body and the rotating drive device, the split design leads to high overall cost, because two independent components need to be purchased and assembled respectively, secondly, the split structure increases the overall volume of the equipment, limits its application in the space-limited scene, in order to overcome the deficiency of split structure, the industry also tries to integrate the rotating and clamping function into a one-piece structure of the jaw device, the existing such integrated jaw device generally has the problems of complex structure and numerous parts. This not only increases the manufacturing cost, but also may lead to the decline of the reliability of the device, especially in the long-term, high-frequency use process, the wear and failure risk of parts increases significantly. SUMMARY
[0004] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research, and after a lot of creative labor, the present utility model is completed.
[0005] Specifically, the technical problem to be solved by the present utility model is to provide an improved electric rotary jaw to solve the technical problem that the split structure increases the overall volume of the equipment and limits its application in the space-limited scene.
[0006] To solve the above technical problems, the present utility model provides the following technical scheme:
[0007] An improved electric rotary jaw, comprising an upper shell, one end of the upper shell is provided with a front end cover assembly, the end of the front end cover assembly away from the upper shell is provided with a jaw movement mechanism, the rotating end of the front end cover assembly is provided with a clamping drive mechanism for driving the jaw movement mechanism to clamp, and the jaw movement mechanism is fixed on the clamping drive mechanism, one side of the inside of the upper shell is provided with a rotating drive mechanism for driving the clamping drive mechanism to rotate, the end of the upper shell away from the front end cover assembly is provided with a middle layer assembly, the upper shell is provided with a lower shell assembly through the middle layer assembly, and the end of the lower shell assembly away from the middle layer assembly is fixed with a rear end cover.
[0008] As a kind of improved technical solutions, the clamping jaw movement mechanism includes base, the bottom of the base is opened with two parallel T-shaped slots away from the end face of upper shell, the inside of two T-shaped slots is slidably installed rack, the top of two rack is fixed with clamping jaw body by screw.
[0009] As a kind of improved technical solutions, the clamping drive mechanism includes clamping deceleration motor, the output shaft of the deceleration motor of clamping deceleration motor is installed with first gear engaged with rack, the front end cover of clamping deceleration motor is fixed with front end adapter flange, the outer side of the end of clamping deceleration motor close to first gear is provided with second gear fixed on front end adapter flange, the rear end cover of clamping deceleration motor is fixed with rear end adapter flange, the input shaft of clamping deceleration motor is fixed with encoder rotor one, the end of rear end adapter flange away from clamping deceleration motor is installed with clamping deceleration motor encoder plate, rear end adapter flange is installed with multiple hexagonal nut columns one through screw holes thereon, and clamping deceleration motor encoder plate is fixed on rear end adapter flange through hexagonal nut column one, the hexagonal nut column one is fixed with conductive slip ring through screw.
[0010] As a kind of improved technical solutions, the rotating drive mechanism includes mounting flange, the output shaft of the rotating deceleration motor is fixed with third gear engaged with second gear, the input shaft end of rotating deceleration motor is fixed with encoder rotor two, the end of encoder rotor two away from rotating deceleration motor is provided with rotating deceleration motor encoder plate.
[0011] As a kind of improved technical solutions, the middle layer assembly includes middle layer plate body, the four corners of the middle layer plate body are provided with screw mounting holes, and the middle layer plate body is fixed on the end of the upper shell away from the front end cover body through the screw passing through the screw mounting hole, the inside of the middle layer plate body is provided with bearing chamber, the inside of the bearing chamber is installed with rear end bearing, the end face of the middle layer plate body close to the lower shell assembly is fixed with boss, the boss is symmetrically provided with side screw holes, and the middle layer plate body is fixed with hexagonal nut column two through the screw holes provided thereon.
[0012] As a kind of improved technical solutions, the lower shell assembly includes lower shell body, the lower shell body is provided with drive plate mounting groove and waterproof connector mounting groove, the periphery of the lower shell body is also provided with middle layer plate mounting hole, the inside of the drive plate mounting groove is fixed with drive plate body through screw, the lower shell body is fixed with waterproof connector at waterproof connector mounting groove, and the rear end cover is fixed on the lower shell body through screw.
[0013] As an improved technical scheme, the front end cover assembly comprises a front end cover body, a front end bearing is arranged in an inner cavity of the front end cover body, and a bearing pressing plate is fixed to one end of the front end cover body through a screw.
[0014] After the above technical scheme is adopted, the electric rotary clamp jaw has the following beneficial effects:
[0015] 1. The electric rotary clamp jaw has the advantages that the clamp jaw movement mechanism, the clamping driving mechanism and the rotary driving mechanism are fixed in the interior of the upper shell body, are integrally designed and assembled, have simple and compact overall structure, few parts, small volume, light weight, convenient installation, effectively reduce the manufacturing cost of the clamp jaw, the electric rotary clamp jaw has small volume, is more convenient to use in the increasingly compact and small equipment, and the middle layer assembly is arranged to be reinforced and supported from the tail end of the clamping driving mechanism, the rear end bearing is installed at the tail end of the clamping driving mechanism, the front end and the rear end of the clamping driving mechanism are both supported and limited, and the stability of the rotary movement of the clamping driving mechanism is improved.
[0016] 2. The electric rotary clamp jaw has the advantages that the installation flange and the upper shell body are fixed in the side surface, the structure of the upper shell body is simplified, meanwhile, the middle layer plate body and the lower shell body assembly are fixed in the side surface, the structure of the lower shell body assembly is simplified, the middle layer plate body can be directly machined from square aluminum, the material machining cost is greatly reduced, the electric rotary clamp jaw has low manufacturing cost and is convenient to produce and manufacture. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative labor. Among them:
[0018] Figure 1 It is a general structure schematic view of the improved electric rotary clamp jaw.
[0019] Figure 2 It is a structure schematic view of the clamp jaw movement mechanism of the improved electric rotary clamp jaw.
[0020] Figure 3 It is a structure schematic view of the clamping driving mechanism of the improved electric rotary clamp jaw.
[0021] Figure 4 It is a structure schematic view of the rotary driving mechanism of the improved electric rotary clamp jaw.
[0022] Figure 5The utility model discloses an improved front end cover assembly structure diagram of electric rotary clamp jaw.
[0023] Figure 6 The utility model discloses an improved middle layer assembly structure diagram of electric rotary clamp jaw.
[0024] Figure 7 The utility model discloses an improved lower shell assembly structure diagram of electric rotary clamp jaw.
[0025] Mark explanation:
[0026] 100, clamp jaw movement mechanism, 110, clamp jaw body, 120, base, 130, rack, 200, clamping drive mechanism, 210, first gear, 220, front end adapter flange, 230, second gear, 240, clamping reduction motor, 250, rear end adapter flange, 260, encoder rotor one, 270, clamping reduction motor encoder board, 280, hexagonal nut column one, 290, conductive slip ring, 300, rotary drive mechanism, 310, third gear, 320, mounting flange, 330, rotary reduction motor, 340, encoder rotor two, 350, rotary reduction motor encoder board, 400, front end cover assembly, 410, front end cover body, 420, front end bearing, 430, bearing pressing plate, 500, upper shell, 600, middle layer assembly, 610, middle layer plate body, 611, screw mounting hole, 612, boss, 613, side screw hole, 614, bearing chamber, 620, rear end bearing, 630, hexagonal nut column two, 700, lower shell assembly, 710, lower shell body, 711, drive plate mounting groove, 712, waterproof joint mounting groove, 713, middle layer plate mounting hole, 720, drive plate body, 730, waterproof joint, 800, rear end cover. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0028] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.
[0029] Meanwhile, "and / or" or "and / or" appearing in the whole text means that it includes three schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme.
[0030] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.
[0031] As Figures 1 to 7 As shown in the drawings, the embodiment provides an improved electric rotary clamp jaw, the improved electric rotary clamp jaw includes an upper shell 500, and a group of threaded holes and positioning pin holes used for installation are reserved on four sides of the upper shell 500, a front end cover assembly 400 is installed at one end of the upper shell 500, a clamp jaw movement mechanism 100 is arranged at the end of the front end cover assembly 400 away from the upper shell 500, a clamping driving mechanism 200 for driving the clamp jaw movement mechanism 100 to clamp is installed at the rotating end of the front end cover assembly 400, and the clamp jaw movement mechanism 100 is fixed on the clamping driving mechanism 200, a rotating driving mechanism 300 for driving the clamping driving mechanism 200 to rotate is installed on one side of the inside of the upper shell 500, a middle layer assembly 600 is installed at the end of the upper shell 500 away from the front end cover assembly 400, and a lower shell assembly 700 is installed on the upper shell 500 through the middle layer assembly 600, and a rear end cover 800 is fixed at the end of the lower shell assembly 700 away from the middle layer assembly 600.
[0032] The clamp jaw movement mechanism 100, the clamping driving mechanism 200 and the rotating driving mechanism 300 are fixed in the inside of the upper shell 500, are integrally designed and assembled, the overall structure is simple and compact, the parts are few, the volume is small, the quality is light, the installation is convenient, the manufacturing cost of the clamp jaw is effectively reduced, the volume of the electric rotary clamp jaw is small, the electric rotary clamp jaw is more convenient to use in the more and more compact and small equipment, and the middle layer assembly 600 is arranged to reinforce and support the tail end of the clamping driving mechanism 200, the rear end bearing 620 is installed at the tail end of the clamping driving mechanism 200, so that the front end and the rear end of the clamping driving mechanism 200 are supported and limited, and the stability of the rotary movement of the clamping driving mechanism 200 is improved.
[0033] As Figure 2As shown in the drawings, in this embodiment, the clamping jaw movement mechanism 100 comprises a base 120, two parallel T-shaped grooves are formed in the end of the base 120 away from the upper shell 500, the two T-shaped grooves are slidably installed with racks 130, the two racks 130 are centrally symmetrically distributed, the two racks 130 are fixed with clamping jaw bodies 110 at the top through screws, and the two clamping jaw bodies 110 are centrally symmetrically distributed.
[0034] As shown in the drawings, Figure 3 In this embodiment, the clamping driving mechanism 200 comprises a clamping speed reducer motor 240, a first gear 210 engaged with the rack 130 is installed on the output shaft of the speed reducer of the clamping speed reducer motor 240, and a circular groove for placing the first gear 210 is formed in the base 120, a front end adapter flange 220 is fixed on the front end cover of the clamping speed reducer motor 240, and the base 120 is fixed on the front end adapter flange 220 through screws, the coaxiality of the front end adapter flange 220 and the clamping speed reducer motor 240 is ensured through the stop opening cooperation, a second gear 230 fixed on the front end adapter flange 220 is arranged on the outer side of the end of the clamping speed reducer motor 240 close to the first gear 210, a rear end adapter flange 250 is fixed on the rear end cover of the clamping speed reducer motor 240, a first encoder rotor 260 is fixed on the motor input shaft of the clamping speed reducer motor 240, the first encoder rotor 260 provides a readable magnetic field for the clamping speed reducer motor encoder plate 270, the clamping speed reducer motor encoder plate 270 is installed on the end of the rear end adapter flange 250 away from the clamping speed reducer motor 240, a plurality of hexagonal nut columns 280 are installed on the rear end adapter flange 250 through the screw holes thereon, and the clamping speed reducer motor encoder plate 270 is fixed on the rear end adapter flange 250 through the hexagonal nut columns 280, and a conductive slip ring 290 is fixed on the hexagonal nut columns 280 through screws.
[0035] As shown in the drawings, Figure 4 In this embodiment, the rotating driving mechanism 300 comprises a mounting flange 320, a plurality of threaded holes are formed in the side surface of the mounting flange 320, screws pass through the gap holes on the upper shell 500 to fasten the mounting flange 320 and the upper shell 500 together, a rotating speed reducer motor 330 is fixed on the mounting flange 320 through screws, a third gear 310 engaged with the second gear 230 is fixed on the output shaft of the rotating speed reducer motor 330, a second encoder rotor 340 is fixed on the input shaft end of the rotating speed reducer motor 330, the second encoder rotor 340 provides a readable magnetic field for the rotating speed reducer motor encoder plate 350, and the rotating speed reducer motor encoder plate 350 is arranged on the end of the second encoder rotor 340 away from the rotating speed reducer motor 330.
[0036] As shown in the drawings, Figure 6As shown, in this embodiment, the middle layer assembly 600 includes a middle layer plate body 610, and screw mounting holes 611 are formed at the four corners of the middle layer plate body 610. Screws pass through the screw mounting holes 611 to fix the middle layer plate body 610 at one end of the upper shell body 500 away from the front end cover body 410. A bearing chamber 614 is arranged inside the middle layer plate body 610, and a rear end bearing 620 is arranged inside the bearing chamber 614. The rear end bearing 620 is interference-fitted on the rear end adapter flange 250, and the rear end bearing 620 can be axially adjusted in the bearing chamber 614. A boss 612 is fixed at one end face of the middle layer plate body 610 close to the lower shell assembly 700. Symmetrical side screw holes 613 are formed on the boss 612. Hexagonal nut columns two 630 are fixed on the middle layer plate body 610 through the screw holes formed thereon, and a rotary speed reduction motor encoder plate 350 is fixed on the hexagonal nut columns two 630. The number of the hexagonal nut columns two 630 is four.
[0037] As shown, Figure 7 In this embodiment, the lower shell assembly 700 includes a lower shell body 710, and the boss 612 cooperates with the groove of the lower shell assembly 700. The lower shell assembly 700 is fastened on the side screw holes 613 through the middle layer plate mounting holes 713 by screws. The lower shell body 710 is provided with a driving plate mounting groove 711 and a waterproof joint mounting groove 712. The periphery of the lower shell body 710 is also provided with middle layer plate mounting holes 713. The driving plate mounting groove 711 is internally fixed with a driving plate body 720 by screws. The waterproof joint mounting groove 712 of the lower shell body 710 is fixed with a waterproof joint 730. The width of the waterproof joint mounting groove 712 is greater than that of the locking nut of the waterproof joint 730. When the waterproof joint 730 is tightened, the waterproof joint mounting groove 712 can clamp the locking nut of the driving plate body 720. The rear end cover 800 is fixed on the lower shell body 710 by screws. The mounting flange 320 and the upper shell body 500 are fixed by the side, which simplifies the structure of the upper shell body 500. Meanwhile, the middle layer plate body 610 and the lower shell assembly 700 are fixed by the side, which simplifies the structure of the lower shell assembly 700. Moreover, the aluminum square can be directly machined, which greatly reduces the material machining cost, and the electric rotary clamping jaw is low in manufacturing cost and convenient to produce and manufacture.
[0038] As shown, Figure 5As shown, in the embodiment, the front end cover assembly 400 comprises a front end cover body 410, an inner cavity of the front end cover body 410 is provided with a front end bearing 420, the front end bearing 420 is interference-fitted on the front end bearing 420, a bearing pressing plate 430 is fixed on one end of the front end cover body 410 through a screw, the front end bearing 420 is fixed in the front end cover body 410 through the bearing pressing plate 430, one end of an inner ring of the front end bearing 420 is tightly attached to a shoulder of the front end adapter flange 220, and one end is tightly attached to a boss end of the base 120, so that the bearing is completely fixed, and the stable and accurate rotation is further ensured.
[0039] In use, the third gear 310 is driven to rotate by the rotary reduction motor 330, the clamping driving mechanism 200 is driven to rotate under the meshing transmission action of the third gear 310 and the second gear 230, and the jaw movement mechanism 100 installed on the clamping driving mechanism 200 is driven to rotate, so that the angle of the jaw is adjusted.
[0040] The first gear 210 is driven to rotate by the clamping reduction motor 240, and the two racks 130 are simultaneously driven to move under the meshing transmission action of the first gear 210 and the rack 130, the rotary motion of the first gear 210 is converted into the linear motion of the rack 130, so that the opening and closing of the two jaw bodies 110 are realized.
[0041] It should be understood that the use of these embodiments is only for illustrating the utility model and is not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various changes, modifications and / or variations to the utility model, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.
Claims
1. An improved electrically powered rotary clamp jaw characterized by: The utility model provides a kind of front end cover assembly (400), the front end cover assembly (400) is provided with gripper movement mechanism (100) away from one end of upper shell (500), the rotating end of the front end cover assembly (400) is equipped with for driving gripper movement mechanism (100) clamping gripper drive mechanism (200), and gripper movement mechanism (100) is fixed on gripper drive mechanism (200), one side of the inside of upper shell (500) is equipped with for driving gripper drive mechanism (200) rotation rotation drive mechanism (300), one end of upper shell (500) is equipped with middle layer assembly (600) away from the front end cover assembly (400), and upper shell (500) is equipped with lower shell assembly (700) by middle layer assembly (600), and lower shell assembly (700) is fixed with rear end cover (800) away from one end of middle layer assembly (600). The gripper drive mechanism (200) includes a gripper reduction motor (240), a first gear (210) is mounted on the reduction machine output shaft of the gripper reduction motor (240) and engaged with the rack (130), a front end adapter flange (220) is fixed on the front end cover of the gripper reduction motor (240), a second gear (230) is provided on the outer side of one end of the gripper reduction motor (240) and fixed on the front end adapter flange (220), a rear end adapter flange (250) is fixed on the rear end cover of the gripper reduction motor (240), an encoder rotor one (260) is fixed on the motor input shaft of the gripper reduction motor (240), a gripper reduction motor encoder plate (270) is mounted on one end of the rear end adapter flange (250) away from the gripper reduction motor (240), a plurality of hexagonal nut columns one (280) are mounted on the rear end adapter flange (250) through screw holes thereon, and the gripper reduction motor encoder plate (270) is fixed on the rear end adapter flange (250) through the hexagonal nut columns one (280), and a conductive slip ring (290) is fixed on the hexagonal nut columns one (280) through screws.
2. An improved motorized rotary jaw as claimed in claim 1 wherein: The gripper movement mechanism (100) includes a base (120), two parallel T-shaped grooves are formed in the end face of the base (120) away from the upper shell (500), a rack (130) is slidably installed in each of the two T-shaped grooves, and a gripper body (110) is fixed on the top of each of the two racks (130) through screws.
3. An improved motorized rotary jaw as claimed in claim 2 wherein: The rotating drive mechanism (300) includes a mounting flange (320), a rotating speed reduction motor (330) is fixed on the mounting flange (320) through screws, a third gear (310) engaged with the second gear (230) is fixed on the output shaft of the rotating speed reduction motor (330), an encoder rotor two (340) is fixed on the input shaft end of the rotating speed reduction motor (330), and a rotating speed reduction motor encoder plate (350) is arranged at the end of the encoder rotor two (340) away from the rotating speed reduction motor (330).
4. An improved motorized rotary jaw as claimed in claim 3 wherein: The middle layer assembly (600) includes a middle layer plate body (610), screw mounting holes (611) are arranged at the four corner ends of the middle layer plate body (610), and screws pass through the screw mounting holes (611) to fix the middle layer plate body (610) at the end of the upper shell (500) away from the front end cover body (410), a bearing chamber (614) is arranged in the middle layer plate body (610), a rear end bearing (620) is arranged in the bearing chamber (614), a boss (612) is fixed at the end face of the middle layer plate body (610) close to the lower shell assembly (700), symmetrical side screw holes (613) are arranged on the boss (612), and a hexagonal nut column two (630) is fixed on the middle layer plate body (610) through the screw holes.
5. An improved motorized rotary jaw as claimed in claim 4 wherein: The lower shell assembly (700) includes a lower shell body (710), a driving plate mounting groove (711) and a waterproof joint mounting groove (712) are arranged on the lower shell body (710), middle layer plate mounting holes (713) are arranged on the peripheral surface of the lower shell body (710), a driving plate body (720) is fixed in the driving plate mounting groove (711) through screws, a waterproof joint (730) is fixed on the waterproof joint mounting groove (712) of the lower shell body (710), and the rear end cover (800) is fixed on the lower shell body (710) through screws.
6. An improved motorized rotary jaw as claimed in claim 5 wherein: The front end cover assembly (400) includes a front end cover body (410), a front end bearing (420) is arranged in the inner cavity of the front end cover body (410), and a bearing pressing plate (430) is fixed at one end of the front end cover body (410) through screws.