CN212385346U - Positioning device - Google Patents
Positioning device Download PDFInfo
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- CN212385346U CN212385346U CN202020647971.6U CN202020647971U CN212385346U CN 212385346 U CN212385346 U CN 212385346U CN 202020647971 U CN202020647971 U CN 202020647971U CN 212385346 U CN212385346 U CN 212385346U
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Abstract
The utility model provides a positioning device, which comprises an installation frame, a base, a driving piece, an intermediate shaft positioning component and a gear positioning component, wherein the base is arranged on the installation frame, and the intermediate shaft is assembled on the base; the driving piece is arranged on the mounting frame and positioned above the intermediate shaft, and the driving piece can move along the axial direction of the intermediate shaft to clamp the intermediate shaft; the middle shaft positioning component is arranged on the base and/or the mounting frame and can limit the middle shaft to move in the circumferential direction; the gear positioning assembly is arranged on the mounting frame and can limit the movement of the gear in the circumferential direction and the axial direction. The utility model discloses a common cooperation of driving piece, base, jackshaft locating component and gear locating component, and then can guarantee jackshaft, gear positioning accuracy in circumference and axial, under the prerequisite of ensureing that positioning device is rational in infrastructure, further simplify the assembling process of jackshaft and gear.
Description
Technical Field
The utility model relates to a derailleur jackshaft processing technology field particularly, relates to a positioning device.
Background
At present, the assembly of a helical-tooth double-intermediate-shaft automobile transmission intermediate shaft assembly needs to ensure the consistency of all gears on the intermediate shaft in the circumferential direction and the axial direction, however, the gears and the intermediate shaft generally use hot sleeve interference fit, so that the positioning and the assembly of the gears are difficult to complete in a very short time.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
To this end, a first aspect of the present invention is to provide a positioning apparatus.
In view of this, according to a first aspect of the present invention, there is provided a positioning apparatus for assembling a transmission intermediate shaft and a gear, the gear being capable of being sleeved on the intermediate shaft, the positioning apparatus comprising an installation frame, a base, a driving member, an intermediate shaft positioning assembly and a gear positioning assembly, wherein the base is arranged on the installation frame, and the intermediate shaft is assembled on the base; the driving piece is arranged on the mounting frame and positioned above the intermediate shaft, and the driving piece can move along the axial direction of the intermediate shaft to clamp the intermediate shaft; the middle shaft positioning component is arranged on the base and/or the mounting frame and can limit the middle shaft to move in the circumferential direction; the gear positioning assembly is arranged on the mounting frame and can limit the movement of the gear in the circumferential direction and the axial direction.
The utility model provides a positioning device is used for the assembly of derailleur jackshaft and gear, and wherein, the gear can be established on the jackshaft. Positioning device includes the mounting bracket, a pedestal, the driving piece, jackshaft locating component and gear locating component, wherein, the base sets up on the mounting bracket, the jackshaft assembly is on the base, specifically, the jackshaft is installed on the base along axial one end, the driving piece sets up on the mounting bracket and is located the top of jackshaft, the axial reciprocating motion of jackshaft can be followed to the driving piece, when the driving piece moves towards the jackshaft, the driving piece can support and press on the other end of jackshaft, and then can press from both sides the jackshaft tightly between driving piece and base, ensure jackshaft position stability in the axial. The jackshaft locating component sets up on base and/or mounting bracket, and jackshaft locating component can restrict the jackshaft at ascending motion of circumference, can restrict jackshaft positional stability and accuracy in axial and circumference through driving piece, base and jackshaft locating component. The gear positioning assembly is arranged on the mounting frame and can limit the circumferential and axial position stability and accuracy of the gear on the intermediate shaft in a sleeved mode. The utility model discloses a common cooperation of driving piece, base, jackshaft locating component and gear locating component, and then can guarantee jackshaft, gear positioning accuracy in circumference and axial, under the prerequisite of ensureing that positioning device is rational in infrastructure, further simplify the assembling process of jackshaft and gear.
In addition, according to the utility model provides a positioning device among the above-mentioned technical scheme can also have following additional technical characteristics:
in the above technical solution, further, the intermediate shaft positioning assembly includes a first positioning member and a second positioning member, the first positioning member is directly or indirectly connected to the base, and the first positioning member can be pressed against the first side wall of the intermediate shaft; the second positioning piece is arranged on the mounting frame and can be pressed on a second side wall, opposite to the first side wall, of the middle shaft.
In this technical scheme, jackshaft locating component includes first setting element and second setting element, and first setting element is directly or indirectly connected on the base, and first setting element can support and press on the first lateral wall of jackshaft, and the second setting element can support and press on the jackshaft with the relative second lateral wall of first lateral wall, and the jackshaft has received the pressure of support that comes from first setting element and second setting element opposite direction through first lateral wall and second lateral wall promptly, and under the pressure effect of support of first setting element and second setting element promptly, the jackshaft is pressed tightly in circumference.
In any of the above technical solutions, further, the positioning apparatus further includes a supporting block, and the supporting block is disposed on the base. The limiting block is arranged on the base and forms a positioning area with the supporting block, and the end part of the intermediate shaft is arranged in the positioning area. The arc wall, the arc wall is seted up on the lateral wall towards the stopper on the supporting shoe. The flaring groove is arranged on the limiting block relative to the arc-shaped groove, and the arc-shaped groove and the flaring groove are arranged in a surrounding mode to form a positioning area.
In this technical scheme, the positioning device still includes the supporting shoe, and the supporting shoe sets up on the base, and the stopper sets up on the base and constructs the locating area with the supporting shoe, and the axial tip of jackshaft can assemble in the locating area, and the locating area through supporting shoe and stopper structure can be convenient for confirm the assembly position of jackshaft on the positioning device. The positioning equipment further comprises an arc-shaped groove, the arc-shaped groove is formed in the side wall, facing the limiting block, of the supporting block, an opening expanding groove relative to the arc-shaped groove is further formed in the limiting block, the groove wall of the opening expanding groove is formed by inclined walls, and the groove wall of the arc-shaped groove is formed by the arc-shaped wall. Through the cooperation of flaring groove and arc wall, can fix a position the axis position of jackshaft, the central point that is to say the jackshaft of being convenient for puts the centering, and the center of the centre of the locating zone that the center of driving piece, arc wall and flaring groove confirmed and the center of jackshaft lie in same line promptly, can ensure the safety of jackshaft when the driving piece presss from both sides tight jackshaft downwards, prevents the safety problem that the central deviation and arouse. In particular, when the intermediate shaft is fitted in the positioning zone, the outer surface of the intermediate shaft may be pressed against the groove walls of the flaring groove. The flaring slots can be V-shaped slots.
In any of the above technical solutions, further, at least a portion of the base is recessed away from the driving member to form an avoidance opening, and the avoidance opening corresponds to the positioning area.
In this technical scheme, at least partial base deviates from the driving piece depressed groove and keeps away the mouth, it is corresponding with the positioning area to keep away the mouth, this is because the jackshaft includes a body and a shaft shoulder, the shaft shoulder cover is established on a body, when the jackshaft assembly is between base and driving piece, the one end of a body can pass the positioning area and stretch into and keep away in the mouth, the shaft shoulder can push up the upper surface at the supporting shoe, the other end of a body can be compressed tightly by the driving piece, through the base, the combined action of supporting shoe and driving piece, can ensure that the jackshaft is accurate in the ascending position of axial.
In any of the above technical solutions, further, the supporting block includes a supporting body and a first mounting hole, the supporting body is disposed on the base; first installing port runs through to be seted up on supporting the body, and first locating element wears to locate in first installing port and can support to press on first lateral wall.
In this technical scheme, the supporting shoe is including supporting body and first installing port, support the body setting on the base, first installing port runs through and sets up on supporting the body, first locating piece wears to establish in first installing port and can support and press on first lateral wall, through with first locating piece through first installing port assembly on supporting the body, can be so that positioning device's structure rationally arranges more, wherein, the supporting shoe not only plays the supporting role to the jackshaft, also can provide the assembly space for first locating piece.
In any of the above technical solutions, further, the mounting frame includes a positioning table and a second mounting port, the positioning table is disposed on the base; the second installing port is close to the base and penetrates through the positioning table, and the second positioning piece penetrates through the second installing port and can be abutted against the second side wall.
In this technical scheme, the locating rack is including location platform and second installing port, and the location platform sets up on the base, and the second installing port is close to the base and runs through to set up from the location bench, and the second setting element is worn to establish in the second installing port and can support and press on the second lateral wall, through wearing to establish the second setting element on the location bench, and then can ensure that the second setting element can produce stable pressure of supporting. Wherein the positioning table and the limit are adjacently arranged on the base.
In any one of the above technical solutions, further, the gear positioning assembly includes a positioning step, the positioning step is disposed on a side wall of the positioning table close to the intermediate shaft, and the gear can be lapped on the positioning step.
In this technical scheme, gear positioning component is including the location step, and the setting of location step is on the lateral wall that the location platform is close to the jackshaft, and when the gear cover was established on the jackshaft, the lower surface of gear can the overlap joint on the location step, and then ensures the gear at the ascending position accuracy of the axial of jackshaft.
In any of the above technical solutions, further, the positioning apparatus further includes a third mounting opening, and the third mounting opening is opened on the positioning table corresponding to the positioning step; the gear positioning assembly further comprises a third positioning piece, the third positioning piece penetrates through the third mounting hole and can be abutted against the gear to limit the gear to move in the circumferential direction.
In this technical scheme, positioning device still includes the third installing port, and the third installing port runs through to set up on the location bench corresponding to the location step, and gear positioning assembly still includes the third setting element, and the third setting element is worn to establish in the third installing port and can support and press on the lateral wall at the gear, because the gear cover is established on the jackshaft, and the third setting element still supports to press on the lateral wall of gear simultaneously, can restrict the motion of gear in week under the combined action of jackshaft and third setting element.
In any of the above technical solutions, further, the positioning steps, the third mounting openings and the third positioning pieces are a plurality of one-to-one correspondence; the third mounting ports are arranged on the positioning table in parallel.
In the technical scheme, the positioning steps, the third mounting holes and the third positioning pieces are in one-to-one correspondence, and the number of the positioning steps, the third mounting holes and the third positioning pieces can be specifically set according to the number of the gears. Wherein a plurality of third mounting openings are arranged in parallel with each other on the positioning table. Further, first installing port, second installing port, third installing port all parallel with the base.
In any of the above technical solutions, further, the driving member is a pneumatic driving member; the first positioning piece is a first pneumatic positioning piece; the second positioning piece is a second pneumatic positioning piece; the third positioning element is a third pneumatic positioning element.
In this technical scheme, the driving piece is pneumatic driving piece, the stroke and the dynamics of the accurate control driving piece of being convenient for. Similarly, the first positioning element is a first pneumatic positioning element, the second positioning element is a second pneumatic positioning element, and the third positioning element is a third pneumatic positioning element. And the pneumatic positioning mode is adopted to facilitate accurate control.
Specifically, the utility model provides a positioning device's application method specifically is: firstly, install the jackshaft in positioning device's location district, be about to stretch into the location district that stopper and supporting shoe structure formed and be located the dodge mouth on the base with the axial one end of jackshaft in, then control positioning device's driving piece moves to the jackshaft and pushes up tight position, and this pushes up tight position and contacts for the other end of driving piece and jackshaft for the jackshaft presss from both sides tightly between base and driving piece. Then, the first positioning piece of the positioning device is controlled to move to a first clamping position towards the intermediate shaft, the end part of the first positioning piece is pressed on the first side wall of the intermediate shaft in a propping mode, then the second positioning piece of the positioning device is controlled to move to a second clamping position towards the intermediate shaft, the end part of the second positioning piece is pressed on the second side wall of the intermediate shaft in a propping mode, at the moment, the intermediate shaft is axially stable under the limitation of the driving piece and the base, circumferential stability is achieved under the propping action of the first positioning piece and the second positioning piece, namely, the positions of the intermediate shaft in the circumferential direction and the axial direction are already stable in place at the moment. Then the driving piece is controlled to be far away from the middle shaft and return to the initial driving position, the heated gear is sleeved on the middle shaft, the lower surface of the gear is lapped on a corresponding positioning step at the moment, the driving piece is controlled to move to a jacking position again, the position stability of the middle shaft in the axial direction is ensured, then a third positioning piece of the positioning device is controlled to move to a third clamping position towards the gear, and at the moment, the third positioning piece is pressed on the side wall of the gear in a propping mode, and the position stability of the gear in the circumferential direction is ensured. Through the cooperation of driving piece, first setting element, second setting element and third setting element, realize jackshaft, gear at circumference and axial positioning accuracy, under the prerequisite of guaranteeing positioning device rational in infrastructure, further simplify the assembly process of jackshaft and gear. It should be noted that, the number of the gears may be multiple, and then the multiple gears may be sequentially sleeved on the intermediate shaft, and after the gears are all lapped on the corresponding positioning steps, the driving member is controlled to move to the abutting position, and then the third positioning member corresponding to each gear is controlled to move so as to abut against the side wall of the gear, so as to ensure the position stability of the multiple gears in the circumferential direction.
In the above technical solution, further, after the step of controlling the third positioning element of the positioning apparatus to move to the third clamping position toward the gear, the method further includes: after a preset time, controlling the second positioning piece to move to a second initial position away from the middle shaft; controlling a third positioning piece to move to a third initial position away from the middle shaft; controlling the driving piece to move away from the intermediate shaft to a driving initial position; and controlling the first positioning piece to move away from the middle shaft to a first initial position.
In the technical scheme, after a third positioning piece of the positioning control device moves to a third clamping position towards the gear, timing is started, after the timing duration passes through a preset duration, the second positioning piece is controlled to be far away from the middle shaft to move to a second initial position, the third positioning piece is controlled to be far away from the middle shaft to move to a third initial position, then the driving piece is controlled to be far away from the middle shaft to move to a driving initial position, finally the first positioning piece is controlled to be far away from the middle shaft to move to a first initial position, namely after the gear and the middle shaft complete hot jacket matching, the driving piece, the first positioning piece, the second positioning piece and the third positioning piece in the positioning device can return to the initial position, so that the assembled middle shaft and gear can be detached from the positioning device. It should be noted that the preset time period may be determined according to the degree of reduction of the gear located at the uppermost layer, according to the surface temperature of the gear, and the like.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a schematic structural view of a positioning device according to an embodiment of the present invention;
fig. 2 shows a top view of a positioning device in an embodiment in accordance with the invention;
wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
1 positioning device, 10 positioning tables, 11 bases, 12 driving parts, 131 first positioning parts, 132 second positioning parts, 141 positioning steps, 142 third positioning parts, 15 supporting blocks, 151 arc-shaped grooves, 16 limiting blocks, 161 flaring grooves, 17 positioning areas, 18 avoiding openings, 2 gears and 3 middle shafts.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A positioning device 1 according to some embodiments of the present invention is described below with reference to fig. 1 and 2.
According to a first aspect of the present invention, as shown in fig. 1 and 2, there is provided a positioning apparatus 1 for assembling a transmission intermediate shaft 3 and a gear 2, wherein the gear 2 can be sleeved on the intermediate shaft 3, the positioning apparatus 1 comprises a mounting frame, a base 11, a driving member 12, an intermediate shaft positioning assembly and a gear positioning assembly, wherein the base 11 is disposed on the mounting frame, and the intermediate shaft 3 is assembled on the base 11; the driving piece 12 is arranged on the mounting frame and is positioned above the intermediate shaft 3, and the driving piece 12 can move along the axial direction of the intermediate shaft 3 to clamp the intermediate shaft 3; the middle shaft positioning component is arranged on the base 11 and/or the mounting frame and can limit the middle shaft 3 to move in the circumferential direction; the gear positioning assembly is arranged on the mounting frame and can limit the movement of the gear 2 in the circumferential direction and the axial direction.
The utility model provides a positioning device 1 is used for the assembly of derailleur jackshaft 3 and gear 2, and wherein, gear 2 can overlap and establish on jackshaft 3. Positioning device 1 includes the mounting bracket, base 11, driving piece 12, jackshaft locating component and gear locating component, wherein, base 11 sets up on the mounting bracket, jackshaft 3 assembles on base 11, specifically, jackshaft 3 is installed on base 11 along axial one end, driving piece 12 sets up on the mounting bracket and is located jackshaft 3's top, driving piece 12 can follow jackshaft 3's axial reciprocating motion, when driving piece 12 moves towards jackshaft 3, driving piece 12 can support and press on jackshaft 3's the other end, and then can press from both sides jackshaft 3 tightly between driving piece 12 and base 11, ensure jackshaft 3 at the ascending positional stability of axial. The jackshaft locating component sets up on base 11 and/or mounting bracket, and jackshaft locating component can restrict jackshaft 3 motion in circumference, can restrict jackshaft 3 stability in axial and the ascending position and the accuracy of circumference through driving piece 12, base 11 and jackshaft locating component. Gear locating component sets up on the mounting bracket, and gear locating component can restrict to overlap and establish the circumference and the ascending positional stability and the accuracy of axial of gear 2 on jackshaft 3. The utility model discloses a common cooperation of driving piece 12, base 11, jackshaft locating component and gear locating component, and then can guarantee jackshaft 3, gear 2 at circumference and axial positioning accuracy, under the prerequisite of ensuring that positioning device 1 is rational in infrastructure, further simplify the assembling process of jackshaft 3 and gear 2.
In a specific embodiment, further, as shown in fig. 1, the middle shaft positioning assembly includes a first positioning member 131 and a second positioning member 132, the first positioning member 131 is directly or indirectly connected to the base 11, and the first positioning member 131 can press against the first side wall of the middle shaft 3; the second positioning element 132 is arranged on the mounting frame and can be pressed against a second side wall of the intermediate shaft 3 opposite to the first side wall.
In this embodiment, the intermediate shaft positioning assembly includes a first positioning member 131 and a second positioning member 132, the first positioning member 131 is directly or indirectly connected to the base 11, the first positioning member 131 can press against a first side wall of the intermediate shaft 3, and the second positioning member 132 can press against a second side wall of the intermediate shaft 3 opposite to the first side wall, that is, the intermediate shaft 3 receives pressing force from opposite directions of the first positioning member 131 and the second positioning member 132 through the first side wall and the second side wall, that is, under the pressing action of the first positioning member 131 and the second positioning member 132, the intermediate shaft 3 is clamped in the circumferential direction.
In a specific embodiment, further, as shown in fig. 1 and 2, the positioning apparatus 1 further includes a supporting block 15, and the supporting block 15 is disposed on the base 11. And the limiting block 16 is arranged on the base 11 and forms a positioning area 17 with the supporting block 15, and the end part of the intermediate shaft 3 is arranged in the positioning area 17. The arc groove 151, the arc groove 151 is seted up on the lateral wall of support block 15 towards stopper 16. Flaring groove 161, flaring groove 161 set up on stopper 16 for arc groove 151, and arc groove 151 and flaring groove 161 enclose to establish and constitute locating area 17.
In this embodiment, the positioning apparatus 1 further includes a supporting block 15, the supporting block 15 is disposed on the base 11, a stopper 16, the stopper 16 is disposed on the base 11 and forms a positioning region 17 with the supporting block 15, an axial end of the intermediate shaft 3 can be assembled in the positioning region 17, and the positioning region 17 formed by the supporting block 15 and the stopper 16 can facilitate determining an assembling position of the intermediate shaft 3 on the positioning apparatus 1. The positioning device 1 further comprises an arc-shaped groove 151, the arc-shaped groove 151 is formed in the side wall of the supporting block 15, which faces the limiting block 16, a flaring groove 161 corresponding to the arc-shaped groove 151 is further formed in the limiting block 16, the groove wall of the flaring groove 161 is formed by inclined walls, and the groove wall of the arc-shaped groove 151 is formed by an arc-shaped wall. Through the cooperation of flaring groove 161 and arc groove 151, can fix a position the axial position of jackshaft 3, that is to say the central point of jackshaft 3 is convenient for put the centering, and the center of driving piece 12, the center of arc groove 151 and flaring groove 161 definite location district 17 and the center of jackshaft 3 lie in the same line, can ensure the safety of jackshaft 3 when driving piece 12 presss from both sides tight jackshaft 3 downwards, prevents that the central deviation from causing the safety problem. Specifically, when the intermediate shaft 3 is fitted in the positioning region 17, the outer surface of the intermediate shaft 3 may be pressed against the groove wall of the flare groove 161. Flared groove 161 may be a V-shaped groove.
In a particular embodiment, further, as shown in FIG. 1, at least a portion of the base 11 is recessed away from the driving member 12 to form an avoidance opening 18, the avoidance opening 18 corresponding to the locating region 17.
In this embodiment, at least part of the base 11 deviates from the driving part 12 and the recess avoiding opening 18, the avoiding opening 18 corresponds to the positioning area 17, this is because the intermediate shaft 3 includes a shaft body and a shoulder, the shoulder is sleeved on the shaft body, when the intermediate shaft 3 is assembled between the base 11 and the driving part 12, one end of the shaft body can pass through the positioning area 17 and extend into the avoiding opening 18, the shoulder can be propped against the upper surface of the supporting block 15, the other end of the shaft body can be compressed by the driving part 12, and through the combined action of the base 11, the supporting block 15 and the driving part 12, the position accuracy of the intermediate shaft 3 in the axial direction can be ensured.
In a specific embodiment, further, the supporting block 15 includes a supporting body and a first mounting port, the supporting body is disposed on the base 11; the first mounting opening is provided on the supporting body in a penetrating manner, and the first positioning element 131 is provided in the first mounting opening in a penetrating manner and can abut against the first side wall.
In this embodiment, the supporting block 15 includes supporting body and first installing port, the supporting body sets up on base 11, first installing port runs through and sets up on the supporting body, first locating piece 131 wears to establish in first installing port and can support and press on first lateral wall, through with first locating piece 131 through the assembly of first installing port on the supporting body, can make the structure of positioning device 1 arrange more rationally, wherein, supporting block 15 not only plays the supporting role to jackshaft 3, also can provide the assembly space for first locating piece 131.
In a specific embodiment, further, as shown in fig. 1, the mounting frame includes a positioning table 10 and a second mounting port, the positioning table 10 is disposed on the base 11; the second mounting opening is provided on the positioning table 10 near the base 11, and the second positioning element 132 is provided in the second mounting opening and can press against the second sidewall.
In this embodiment, the locating rack includes locating platform 10 and second installing port, and locating platform 10 sets up on base 11, and the second installing port is close to base 11 and runs through to set up from locating platform 10, and second setting element 132 wears to establish in the second installing port and can support and press on the second lateral wall, through wearing to establish second setting element 132 on locating platform 10, and then can ensure that second setting element 132 can produce stable pressure of supporting. Wherein the positioning table 10 is arranged on the base 11 adjacent to the limit.
In a particular embodiment, further, as shown in fig. 1 and 2, the gear positioning assembly comprises a positioning step 141, the positioning step 141 is provided on the side wall of the positioning table 10 close to the intermediate shaft 3, and the gear 2 can be lapped on the positioning step 141.
In this embodiment, the gear positioning assembly includes a positioning step 141, and the positioning step 141 is disposed on the side wall of the positioning table 10 close to the intermediate shaft 3, and when the gear 2 is sleeved on the intermediate shaft 3, the lower surface of the gear 2 can be overlapped on the positioning step 141, thereby ensuring the position accuracy of the gear 2 in the axial direction of the intermediate shaft 3.
In a specific embodiment, further, the positioning apparatus 1 further includes a third mounting opening, which is opened on the positioning table 10 corresponding to the positioning step 141; the gear positioning assembly further includes a third positioning member 142, and the third positioning member 142 is disposed through the third mounting opening and can press against the gear 2 to limit the gear 2 from moving in the circumferential direction.
In this embodiment, the positioning apparatus 1 further includes a third mounting opening, the third mounting opening is provided on the positioning table 10 corresponding to the positioning step 141, the gear positioning assembly further includes a third positioning member 142, the third positioning member 142 is provided in the third mounting opening in a penetrating manner and can be pressed against the side wall of the gear 2, since the gear 2 is sleeved on the intermediate shaft 3, and meanwhile, the third positioning member 142 is also pressed against the side wall of the gear 2, the movement of the gear 2 in the circumferential direction can be limited under the combined action of the intermediate shaft 3 and the third positioning member 142.
In 32 specific embodiments, further, as shown in fig. 1, a plurality of positioning steps 141, a plurality of third mounting openings and a plurality of third positioning elements 142 are in one-to-one correspondence; a plurality of third mounting openings are provided in parallel with each other on the positioning table 10.
In this embodiment, the positioning steps 141, the third mounting openings and the third positioning members 142 are a plurality of one-to-one correspondence, and the number of the positioning steps 141, the third mounting openings and the third positioning members 142 may be specifically set according to the number of the gears 2. Wherein a plurality of third mounting openings are arranged parallel to each other on the positioning table 10. Further, the first mounting port, the second mounting port and the third mounting port are all parallel to the base 11.
In a particular embodiment, further, the drive 12 is a pneumatic drive 12; the first positioning member 131 is a first pneumatic positioning member; the second positioning member 132 is a second pneumatic positioning member; the third positioning member 142 is a third pneumatic positioning member.
In this embodiment, the driver 12 is a pneumatic driver 12, facilitating precise control of the stroke and force of the driver 12. Similarly, the first positioning element 131 is a first pneumatic positioning element, the second positioning element 132 is a second pneumatic positioning element, and the third positioning element 142 is a third pneumatic positioning element. And the pneumatic positioning mode is adopted to facilitate accurate control.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A positioning device for assembling a transmission countershaft and a gear wheel that can be fitted over the countershaft, the positioning device comprising:
a mounting frame;
a base disposed on the mounting bracket, the intermediate shaft being assembled on the base;
the driving piece is arranged on the mounting frame and is positioned above the intermediate shaft, and the driving piece can move along the axial direction of the intermediate shaft to clamp the intermediate shaft;
the middle shaft positioning assembly is arranged on the base and/or the mounting frame and can limit the middle shaft to move in the circumferential direction;
and the gear positioning assembly is arranged on the mounting frame and can limit the movement of the gear in the circumferential direction and the axial direction.
2. The positioning apparatus as set forth in claim 1 wherein said jackshaft positioning assembly comprises:
the first positioning piece is directly or indirectly connected to the base and can be pressed against the first side wall of the middle shaft;
and the second positioning piece is arranged on the mounting frame and can be abutted against the second side wall opposite to the first side wall on the intermediate shaft.
3. The positioning apparatus according to claim 2, characterized in that the positioning apparatus further comprises:
the supporting block is arranged on the base;
the limiting block is arranged on the base and forms a positioning area with the supporting block, and the end part of the intermediate shaft is arranged in the positioning area;
the arc-shaped groove is formed in the side wall, facing the limiting block, of the supporting block;
the flaring groove is arranged on the limiting block relative to the arc-shaped groove, and the arc-shaped groove and the flaring groove are arranged in a surrounding mode to form the positioning area.
4. The positioning apparatus of claim 3,
at least part the base deviates from the driving piece and caves in to form an avoiding opening, and the avoiding opening corresponds to the positioning area.
5. The positioning apparatus of claim 3, wherein the support block comprises:
the supporting body is arranged on the base;
the first mounting opening is arranged on the support body in a penetrating mode, and the first positioning piece penetrates through the first mounting opening and can be abutted to and pressed on the first side wall.
6. The positioning apparatus of any of claims 2 to 5, wherein the mounting bracket comprises:
the positioning table is arranged on the base;
the second mounting opening is close to the base and penetrates through the positioning table, and the second positioning piece penetrates through the second mounting opening and can be abutted to the second side wall.
7. The pointing device of claim 6,
the gear positioning assembly comprises a positioning step, the positioning step is arranged on the side wall, close to the intermediate shaft, of the positioning table, and the gear can be lapped on the positioning step.
8. The pointing device of claim 7, further comprising:
the third mounting opening is arranged on the positioning table in a penetrating way corresponding to the positioning step;
the gear positioning assembly further comprises a third positioning piece, and the third positioning piece penetrates through the third mounting hole and can be abutted against the gear to limit the gear to move in the circumferential direction.
9. The pointing device of claim 8,
the positioning steps, the third mounting openings and the third positioning pieces are in one-to-one correspondence;
the third mounting ports are arranged on the positioning table in parallel.
10. The pointing device of claim 8,
the driving piece is a pneumatic driving piece;
the first positioning piece is a first pneumatic positioning piece;
the second positioning piece is a second pneumatic positioning piece;
the third positioning element is a third pneumatic positioning element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113547472A (en) * | 2020-04-26 | 2021-10-26 | 浙江万里扬股份有限公司 | Positioning device and positioning method for assembling intermediate shaft and gear of transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113547472A (en) * | 2020-04-26 | 2021-10-26 | 浙江万里扬股份有限公司 | Positioning device and positioning method for assembling intermediate shaft and gear of transmission |
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