CN217045582U

CN217045582U - Clamp for milling cambered surface of separation block for gearbox

Info

Publication number: CN217045582U
Application number: CN202220974248.8U
Authority: CN
Inventors: 陈维; 陈洪豹; 叶振荣
Original assignee: ZHEJIANG ZHENGCHANG FORGING CO Ltd
Current assignee: ZHEJIANG ZHENGCHANG FORGING CO Ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-07-26
Anticipated expiration: 2032-04-21

Abstract

The utility model discloses a gearbox is with separation piece arc surface milling anchor clamps, fix a position through location clamping mechanism and press from both sides tightly to the body part, then adjust adjusting screw and make the location plug on the first supporting component and the lower terminal surface butt of a fork foot that corresponds, first cylinder drive the slider of second supporting component move along the second spout, make the location plug on the second supporting component move along the inclined plane of fork foot lower terminal surface until location plug and the lower terminal surface butt of fork foot, because the body is pressed from both sides tightly through location clamping mechanism, one of them fork foot is through the first supporting component butt, therefore another fork foot can be adjusted with the fork foot that corresponds to the first supporting component as the datum line, because first supporting component and second supporting component are all movable, so can carry out the self-adaptation height according to the deformation degree of product, carry out reliable support to it, the smoothness of the arc surface after the fork leg is processed is better, and the processing quality of the separating block for the gearbox is ensured.

Description

Clamp for milling cambered surface of separation block for gearbox

Technical Field

The utility model relates to a technical field of anchor clamps specifically is a gearbox mills cambered surface anchor clamps with separation piece.

Background

The clutch with the separating block acting on the gearbox for the gearbox comprises a body 101 with a central shaft hole 103, wherein two fork legs 102 are arranged at the front end of the body 101, the same sides of the two fork legs 102 are respectively provided with an arc surface 104, the arc surfaces 104 are used for pressing a pressure plate of the clutch, and when the central shaft drives the body 101 to rotate so as to drive the arc surfaces of the fork legs 102 to press a clutch disc, the clutch is loosened to perform gear shifting operation. Because the separating block for the gearbox needs to ensure the arc surface to be equal in height, the fork legs of a blank for processing the separating block for the gearbox generally have height difference, the conventional fork tool supports and positions two fork legs by using a fixed supporting positioning block with uniform height on the other side of the fork leg corresponding to the arc surface, and because the two fork legs of the blank have certain height difference, after a clutch blank is installed on a clamp, a gap is always formed between one fork leg and the supporting positioning block, so that unreliable positioning and supporting are caused by the height difference when the arc surfaces of the two fork legs are milled by a forming milling cutter, vibration is easily generated, and the processing quality of the separating block for the gearbox is further influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gearbox is with separation piece mills cambered surface anchor clamps has solved among the prior art because there is the difference in height and easy production vibration and then influence the processingquality's of gearbox with separation piece problem when milling the circular arc face of gearbox with the separation piece because two fork feet.

In order to achieve the above object, the utility model provides a following technical scheme:

a cambered surface milling clamp for a separating block for a gearbox comprises a body and two fork legs arranged at the front end of the body, wherein the body is provided with a central shaft hole, the cambered surface milling clamp comprises a bottom plate, and a positioning clamping mechanism, a first movable adjusting mechanism and a second movable adjusting mechanism which are arranged on the bottom plate, the positioning clamping mechanism is used for positioning and clamping the body, and the first movable adjusting mechanism and the second movable adjusting mechanism are respectively used for movably supporting and adjusting the two fork legs;

correspond two on the bottom plate the below of fork foot is equipped with first spout and second spout respectively, first activity adjustment mechanism including adjust the seat, with adjust seat complex adjusting screw, locate the hand wheel of adjusting screw one end and connect in the first supporting component of the adjusting screw other end, adjusting screw is used for driving first supporting component follows first spout slides, second activity adjustment mechanism include first cylinder and connect in the second supporting component of first cylinder output, first supporting component with second supporting component all includes slider and location plug, the location plug is located the top of slider just the location plug at least part protrusion in the top of slider.

Further, the top of slider is equipped with lug portion, lug portion is equipped with convex the chamber that holds, the location plug is located hold the intracavity.

Further, still be equipped with first mounting groove and second mounting groove on the bottom plate, first mounting groove is located first spout side, the second mounting groove is located the second spout side, adjust the seat and locate in the first mounting groove, first cylinder is located in the second mounting groove.

Furthermore, the positioning and clamping mechanism comprises a vertical base, a mandrel, a pressing plate and a second air cylinder, one end of the mandrel is connected to the vertical base, the other end of the mandrel is matched with the central shaft hole, the second air cylinder is arranged on the vertical base, the pressing plate is connected with the output end of the second air cylinder, and the second air cylinder is used for driving the pressing plate to be close to or far away from the body.

Further, the pressing plate and the vertical seat are respectively positioned on two sides of the body.

The utility model provides a semi-finished product of a gearbox which is processed by milling a cambered surface with a separating block, the semi-finished product of which the central shaft hole is processed is arranged in a clamp in the embodiment, a body part is positioned and clamped through a positioning and clamping mechanism, then an adjusting hand wheel drives an adjusting screw rod to move along an adjusting seat and further drives a first supporting component at the other end of the adjusting screw rod to move along a first chute, so that a positioning core rod on the first supporting component is abutted against the lower end surface of a corresponding fork leg, as the lower end surface of the fork leg is an inclined plane, a first cylinder drives a sliding block of a second supporting component to move along a second chute, the positioning core rod on the second supporting component moves along the inclined plane of the lower end surface of the fork leg until the positioning core rod is abutted against the lower end surface of the fork leg, as the body is clamped through the positioning and clamping mechanism, one fork leg is abutted against through the first supporting component, therefore, another fork foot can be adjusted by taking the fork foot corresponding to the first supporting component as a datum line, so that the height adjustment of the two fork feet is realized, the clamp is supported by matching the first supporting component and the second supporting component together, the support is reliable, the second supporting component is driven by the first cylinder, the clamping speed is high, the labor intensity is reduced, the positioning is reliable, the first supporting component and the second supporting component are movable, the self-adaptive height can be realized according to the deformation degree of a product, the second supporting component is reliably supported, the smoothness of an arc surface after the fork feet are machined is good, and the machining quality of the separating block for the gearbox is ensured.

Drawings

Fig. 1 is a schematic perspective view of a separating block for a transmission in an embodiment of the present invention;

FIG. 2 is a partial sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural view of a fixture for milling a cambered surface of a separation block for a gearbox in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first movable adjustment mechanism in an embodiment of the present invention;

fig. 5 is a sectional view taken along line B-B in fig. 3.

In the figure: 1. a separation block for a transmission case; 101. a body; 102. a fork leg; 103. a central shaft hole; 104. a circular arc surface; 2. a base plate; 3. a positioning and clamping mechanism; 4. a first movable adjustment mechanism; 5. a second movable adjustment mechanism; 201. a first chute; 202. a second chute; 203. a first mounting groove; 204. a second mounting groove; 301. a vertical seat; 302. a mandrel; 303. pressing a plate; 304. a second cylinder; 41. a first support assembly; 401. an adjusting seat; 402. adjusting the screw rod; 403. a hand wheel; 404. a slider; 405. positioning the core rod; 406. a lug portion; 407. an accommodating chamber; 408. locking the nut; 51. a second support assembly; 501. a first cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 5, an embodiment of the present invention provides a separating block arc surface milling fixture for a transmission, the separating block 1 for the transmission includes a body 101 and two fork legs 102 disposed at the front end of the body 101, the body 101 is provided with a central shaft hole 103, the arc surface milling fixture includes a bottom plate 2, and a positioning and clamping mechanism 3, a first movable adjusting mechanism 4 and a second movable adjusting mechanism 5 disposed on the bottom plate 2, the positioning and clamping mechanism 3 is used for positioning and clamping the body 101, and the first movable adjusting mechanism 4 and the second movable adjusting mechanism 5 are respectively used for movably supporting and adjusting the two fork legs 102; a first sliding groove 201 and a second sliding groove 202 are respectively arranged on the bottom plate 2 below the two fork legs 102, the first movable adjusting mechanism 4 comprises an adjusting seat 401, an adjusting screw 402 matched with the adjusting seat 401, a hand wheel 403 arranged at one end of the adjusting screw 402, and a first supporting component 41 connected to the other end of the adjusting screw 402, the adjusting screw 402 is used for driving the first supporting component 41 to slide along the first sliding groove 201, generally, the adjusting screw 402 is locked with the adjusting seat 401 through a locking nut 408, when the first supporting component 41 is moved in place, namely, the locking is performed by a locking nut 408 to ensure the stability, the second movable adjusting mechanism 5 includes a first air cylinder 501 and a second supporting component 51 connected to the output end of the first air cylinder 501, the first supporting component 41 and the second supporting component 51 each include a sliding block 404 and a positioning mandril 405, the positioning mandril 405 is arranged on the top of the sliding block 404, and the positioning mandril 405 at least partially protrudes out of the top of the sliding block 404. In this embodiment, the positioning core rod 405 is abutted to the fork leg 102, and since the positioning core rod 405 has good wear resistance, the service life of the positioning core rod 405 can be ensured, and since the positioning core rod 405 is cylindrical, the positioning core rod 405 can be rotated to change the contact surface after a certain part of the positioning core rod 405 is deformed, so that the service life of the positioning core rod 405 can be prolonged.

Specifically, the semi-finished product with the finished central shaft hole 103 is mounted into the fixture in this embodiment, the positioning and clamping mechanism 3 is used to position and clamp a portion of the body 101, then the adjusting hand wheel 403 drives the adjusting screw 402 to move along the adjusting seat 401 and further drives the first supporting component 41 at the other end of the adjusting screw 402 to move along the first sliding slot 201, so that the positioning core rod 405 on the first supporting component 41 abuts against the lower end face of a corresponding one of the fork legs 102, because the lower end face of the fork leg 102 is an inclined face, the first air cylinder 501 drives the sliding block 404 of the second supporting component 51 to move along the second sliding slot 202, so that the positioning core rod 405 on the second supporting component 51 moves along the inclined face of the lower end face of the fork leg 102 until the positioning core rod 405 abuts against the lower end face of the fork leg 102, because the body 101 is clamped by the positioning and clamping mechanism 3, one of the fork legs 102 abuts against the first supporting component 41, therefore, the other fork leg 102 can be adjusted by taking the fork leg 102 corresponding to the first support assembly 41 as a reference line, so that the height adjustment of the two fork legs 102 is realized, the clamp is supported by the cooperation of the first support assembly 41 and the second support assembly 51, the support is reliable, the second support assembly 51 is driven by the first air cylinder 501, the clamping speed is high, the labor intensity is reduced, and the positioning is reliable.

Further, a lug part 406 is arranged at the top of the sliding block 404, the lug part 406 is provided with an accommodating cavity 407 in the shape of an arc, the positioning mandril 405 is arranged in the accommodating cavity 407, and the accommodating cavity 407 is used for installing the positioning mandril 405 and also facilitating the rotation of the positioning mandril 405 in the accommodating cavity 407.

In this embodiment, the bottom plate 2 is further provided with a first mounting groove 203 and a second mounting groove 204, the first mounting groove 203 is disposed on the first sliding groove 201 side, the second mounting groove 204 is disposed on the second sliding groove 202 side, the adjusting seat 401 is disposed in the first mounting groove 203, the first cylinder 501 is disposed in the second mounting groove 204, the adjusting seat 401 and the first cylinder 501 are both fixedly mounted on the bottom plate 2 through the first mounting groove 203 and the second mounting groove 204, and the stability of the whole clamp is ensured.

The positioning and clamping mechanism 3 in this embodiment includes a vertical base 301, a mandrel 302, a pressing plate 303 and a second air cylinder 304, one end of the mandrel 302 is connected to the vertical base 301, the other end of the mandrel 302 is engaged with the central shaft hole 103, the second air cylinder 304 is disposed on the vertical base 301, the pressing plate 303 is connected to an output end of the second air cylinder 304, the second air cylinder 304 is used for driving the pressing plate 303 to approach or separate from the body 101, when the pressing plate 303 approaches the body 101, the pressing plate can clamp the body 101, when the pressing plate 303 is away from the body 101, the limitation on the body 101 can be released to take out the formed separating block 1 for the gearbox from the clamp, the approaching or separating of the pressing plate 303 can be controlled by the air cylinder to greatly increase the clamping speed, and at the same time, the labor intensity of the operating worker can be reduced, specifically, as shown in fig. 3, the pressing plate 303 and the vertical base 301 are respectively located at two sides of the body 101, the vertical base 301 plays a positioning and supporting role for the mandrel 302 and the second air cylinder 304, the mandrel 302 penetrates into the central shaft hole 103 of the body 101 to position the body 101, and the vertical plate clamps the body 101 on the other side of the body 101, so that the stability and good positioning of the separating block 1 for the gearbox are further enhanced, and the processing precision of the fork foot 102 is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

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

Claims

1. The utility model provides a gearbox is with separation piece arc surface anchor clamps that mill, the separation piece includes the body and locates for the gearbox two fork feet of body front end, the body is equipped with central shaft hole, its characterized in that: the arc surface milling clamp comprises a bottom plate, and a positioning clamping mechanism, a first movable adjusting mechanism and a second movable adjusting mechanism which are arranged on the bottom plate, wherein the positioning clamping mechanism is used for positioning and clamping the body, and the first movable adjusting mechanism and the second movable adjusting mechanism are respectively used for movably supporting and adjusting the two fork legs;

2. The gearbox is with separating piece arc surface milling anchor clamps of claim 1, characterized in that: the top of slider is equipped with lug portion, lug portion is equipped with convex the chamber that holds, the location plug is located hold the intracavity.

3. The gearbox is with separating piece arc surface milling anchor clamps of claim 2, characterized in that: still be equipped with first mounting groove and second mounting groove on the bottom plate, first mounting groove is located first spout side, the second mounting groove is located the second spout side, it locates to adjust the seat in the first mounting groove, first cylinder is located in the second mounting groove.

4. The gearbox is with separating piece arc surface milling anchor clamps of claim 3, characterized in that: the positioning and clamping mechanism comprises a vertical seat, a mandrel, a pressing plate and a second cylinder, one end of the mandrel is connected to the vertical seat, the other end of the mandrel is matched with the central shaft hole, the second cylinder is arranged on the vertical seat, the pressing plate is connected with the output end of the second cylinder, and the second cylinder is used for driving the pressing plate to be close to or far away from the body.

5. The gearbox is with separating piece arc surface milling anchor clamps of claim 4, characterized in that: the pressing plate and the vertical seat are respectively positioned on two sides of the body.