A fixture for milling a connecting rod body and a connecting rod cover

Abstract

The utility model discloses a kind of clamps for connecting rod body and connecting rod cover milling, the clamp includes: rack, rack includes vertical board;First limit block, second clamping mechanism and limiting column are installed on vertical board;Second limit block, supporting block, first clamping mechanism, third clamping mechanism and fourth clamping mechanism are installed on rack;Limiting column fixed sleeve is set on the mounting hole of connecting rod body, and axis extends along first direction, and limit connecting rod body displacement in second direction and third direction;In first direction, third clamping mechanism and first limit block clamp connecting rod body and connecting rod cover;In second direction, second clamping mechanism and second limit block clamp connecting rod cover;In third direction, first clamping mechanism and supporting block clamp connecting rod cover;Fourth clamping mechanism and second limit block limit connecting rod body rotation.First direction, second direction and third direction are perpendicular to each other in pairs.The clamp can clamp connecting rod body and connecting rod cover simultaneously, and clamping stability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a clamp for milling a connecting rod body and a connecting rod cap. Background Art

[0002] A connecting rod is an important transmission component in mechanical transmission, and is crucial for ensuring the normal operation of a mechanical structure. In engine technology, a connecting rod is composed of a connecting rod body and a connecting rod cap assembled through the fitting of convex teeth and tooth grooves. The connecting rod converts the reciprocating motion of a piston into the rotational motion of a crankshaft and transmits the force acting on the piston assembly to the crankshaft. The processing accuracy of the convex teeth and tooth grooves directly affects the overall operation performance of the engine.

[0003] In the existing milling technology for connecting rod tooth grooves, due to the irregular structure of the connecting rod, clamping the connecting rod by using a vise fixture matched with a milling machine has the technical problems of difficult positioning and difficulty in realizing a specific clamping posture of the connecting rod.

[0004] In addition, due to the difference in overall structural shape between the connecting rod cap and the connecting rod body, there also exists the technical problem that the connecting rod cap and the connecting rod body need to be clamped and milled separately, and batch clamping milling is difficult to achieve, resulting in low milling efficiency. Summary of the Invention

[0005] The main object of the utility model is to provide a clamp for milling a connecting rod body and a connecting rod cap, so as to solve the technical problem raised in the background art.

[0006] To achieve the above object, the utility model provides a clamp for milling a connecting rod body and a connecting rod cap, comprising: a frame, wherein the frame comprises a vertical plate; a first limiting block, a second clamping mechanism and a limiting post, which are mounted on the vertical plate; a second limiting block, a supporting block, a first clamping mechanism, a third clamping mechanism and a fourth clamping mechanism, which are mounted on the frame; wherein, the first limiting block is provided with a first positioning surface, the first positioning surface is perpendicular to a first direction and abuts against the connecting rod cap, and in the first direction, two opposite sides of the connecting rod body abut against the third clamping mechanism and the connecting rod cap respectively; the second limiting block is provided with a second positioning surface, and the second positioning surface is perpendicular to a second direction; in the second direction, the second positioning surface and the second clamping mechanism abut against two opposite sides of the connecting rod cap respectively; in a third direction, the supporting block and the first clamping mechanism abut against two opposite sides of the connecting rod cap respectively; the limiting post is sleeved on a mounting hole of the connecting rod body, abuts against an inner wall of the mounting hole of the connecting rod body, and has an axis extending along the first direction; The fourth clamping mechanism and the second positioning surface respectively abut against the connecting rod body to restrict the connecting rod body from rotating around the limiting post; The first direction is parallel to the X-axis, the second direction is parallel to the Y-axis, and the third direction is parallel to the Z-axis.

[0007] In an optional embodiment, a fixture for milling a connecting rod body and a connecting rod cap further includes an adjusting assembly, which is adjustablely mounted on the upright plate, and the limiting post is fixedly mounted on the adjusting assembly.

[0008] In an optional embodiment, a fixture for milling a connecting rod body and a connecting rod cap further includes a fifth clamping mechanism. In a first direction, opposite sides of the connecting rod body abut against the fifth clamping mechanism and the connecting rod cap, respectively. In a second direction, the fifth clamping mechanism is located between the third clamping mechanism and the limiting post.

[0009] In an optional embodiment, the first clamping mechanism includes a first driving member, a first connecting rod, a first support rod, and a first pressure block. The first driving member is mounted on the frame. The first connecting rod is rotatably connected to the output shaft of the first driving member. The two ends of the first support rod are rotatably connected to the first connecting rod and the cylinder of the first driving member, respectively. The first pressure block is fixedly mounted on the first connecting rod. In the third direction, the support block and the first pressure block abut against the opposite sides of the connecting rod cover.

[0010] In an optional embodiment, the second clamping mechanism includes a second driving member and a second pressure block. The second driving member is mounted on the upright plate, and the second pressure block is fixedly mounted on the output shaft of the second driving member. In a second direction, the second positioning surface and the second pressure block respectively abut against the opposite sides of the connecting rod cover.

[0011] In an optional embodiment, the third clamping mechanism includes a third driving member, a third connecting rod, and a third pressure block. The third driving member is mounted on the frame. One end of the third connecting rod is fixedly mounted on the output shaft of the third driving member, and the other end is fixedly mounted on the third pressure block. In a first direction, the opposite sides of the connecting rod body abut against the third pressure block and the connecting rod cover, respectively. The fifth clamping mechanism includes a fifth driving member, a fifth connecting rod, and a fifth pressure block. The fifth driving member is mounted on the frame. One end of the fifth connecting rod is fixedly mounted on the output shaft of the fifth driving member, and the other end is fixedly mounted on the fifth pressure block. In the first direction, the opposite sides of the connecting rod body abut against the fifth pressure block and the connecting rod cover, respectively.

[0012] In an optional embodiment, the fourth clamping mechanism includes a fourth driving member, a fourth connecting rod, a fourth support rod, and a fourth pressure block. The fourth driving member is mounted on the frame. The fourth connecting rod is rotatably connected to the output shaft of the fourth driving member. The two ends of the fourth support rod are rotatably connected to the fourth connecting rod and the cylinder of the fourth driving member, respectively. The fourth pressure block is fixedly mounted on the fourth connecting rod. The fourth pressure block and the second positioning surface respectively abut against the connecting rod body to restrict the connecting rod body from rotating around the limiting post.

[0013] In an optional embodiment, the adjusting assembly includes a pad, a plurality of screws and a sixth pressure block. The pad is provided with a slide rail, and the upright plate is provided with a slide groove. The slide groove is arranged along the extension direction of the connecting rod body, and the slide rail is received in the slide groove and abuts against the side wall of the slide groove. The upright plate has a slot that penetrates through the upright plate in the first direction. The sixth pressing block is received in the slot on one side opposite to the pad block and can move relative to the upright plate, and locks the upright plate in the first direction. The pad has several countersunk holes through it along the first direction, and the sixth pressure block has several first threaded holes along the first direction. Several screws are respectively housed in the several countersunk holes and the groove, and are respectively engaged with the several first threaded holes to clamp the pad on the upright plate. The limiting post is fixedly installed on the pad.

[0014] In an optional embodiment, a fixture for milling a connecting rod body and a connecting rod cap further includes a pushing assembly, the pushing assembly including a seventh pressure block and a threaded component, the seventh pressure block being fixedly mounted on the upright plate and having a second threaded hole extending through the seventh pressure block along the extension direction of the connecting rod body, the threaded component engaging with the second threaded hole and abutting against the pad block.

[0015] In an optional embodiment, the frame further includes a base, a first mounting base, and a second mounting base, wherein the upright plate and the first mounting base are detachably mounted on the base, and the second mounting base is detachably mounted on the upright plate; The first driving component is detachably mounted on the base, the support block, the fourth driving component, and the fifth driving component are detachably mounted on the first mounting base, and the second limiting block and the third driving component are detachably mounted on the second mounting base. Compared with the prior art, the present invention has the following technical effects: 1. The fixture for milling connecting rod body and connecting rod cap of this utility model adopts a first limiting block and a second limiting block, and a first positioning surface and a second positioning surface that are perpendicular to each other are respectively set on the first limiting block and the second limiting block. The two flat surfaces of the connecting rod cap abut against the first positioning surface and the second positioning surface respectively, and one flat surface of the connecting rod body abuts against the second positioning surface, and the other flat surface abuts against the other flat surface of the connecting rod cap. The positioning of the entire fixture is simple. It can clamp the connecting rod body and connecting rod cap in a specific posture so that the machined surfaces of the connecting rod body and connecting rod cap are perpendicular to the spindle of the milling machine tool, and the clamping stability is good. It can achieve synchronous milling of the connecting rod cap and connecting rod body on a single cutting path, improving milling efficiency and accuracy.

[0016] 2. The fixture of this utility model for milling connecting rod bodies and connecting rod caps employs an adjustment component. This component allows for fine-tuning or significant adjustment of the position of the limiting post in the extension direction of the connecting rod body. Fine-tuning adjusts the clamping force of the fixture for milling connecting rod bodies and connecting rod caps, improving the clamping effect; significant adjustment of the position of the limiting post in the extension direction of the connecting rod body allows for clamping connecting rod bodies of different sizes and specifications, improving the applicability of the fixture for milling connecting rod bodies and connecting rod caps. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of a fixture for milling connecting rod body and connecting rod cap according to the present invention; Figure 2 for Figure 1 Exploded view; Figure 3 Assembly drawing for the upright plate, adjusting components, and limiting posts; Figure 4 for Figure 3 A cross-sectional view along the VV direction; Figure 5 This is a schematic diagram of the structure of a fixture for batch clamping connecting rod bodies and connecting rod caps for milling of connecting rod bodies and connecting rod caps according to the present invention.

[0019] Explanation of icon numbers: 100 Fixtures for milling connecting rod bodies and connecting rod caps 9 Fourth clamping mechanism 1 frame 901 Fourth drive component 101 uprights 902 Fourth link 102 base 903 Fourth support rod 103 First mounting base 904 Fourth pressing block 104 Second mounting bracket 10 Fifth clamping mechanism 105 chute 1001 Fifth drive unit 106 Card slot 1002 Fifth Link 107 Connection hole 1003 Fifth pressing block 2 First limiting block 11 Adjustment components 201 First positioning plane 1101 pad block 3 Second limiting block 1102 screw 301 Second positioning surface 1103 Sixth pressing block 4 support block 1104 slide rail 5 Limiting post 1105 countersunk hole 6 First clamping mechanism 1106 First threaded hole 601 First driving component 12 Drive components 602 First link 1201 Seventh pressing block 603 First support rod 1202 Threaded parts 604 First pressing block 1203 Second threaded hole 7 Second clamping mechanism 13 Hanging Ears 701 Second drive unit 14 Reinforcing plate 702 Second pressing block 15 support rod 8 Third clamping mechanism 200 connecting rod cover 801 Third drive unit 300 Linkage 802 Third link 350 Mounting holes 803 Third pressing block 400 tooth groove The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0022] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0023] Please refer to Figures 1-5 This utility model proposes a fixture 100 for milling connecting rod body and connecting rod cap.

[0024] Please refer to Figures 1-2 In this embodiment of the utility model, the fixture 100 for milling the connecting rod body and connecting rod cap includes a frame 1, a first limiting block 2, a second limiting block 3, a support block 4, a limiting post 5, a first clamping mechanism 6, a second clamping mechanism 7, a third clamping mechanism 8, and a fourth clamping mechanism 9. The frame 1 includes a vertical plate 101, on which the first limiting block 2, the second clamping mechanism 7, and the limiting post 5 are mounted. The second limiting block 3, the support block 4, the first clamping mechanism 6, the third clamping mechanism 8, and the fourth clamping mechanism 9 are mounted on the frame 1.

[0025] The first limiting block 2 is installed on one side of the upright plate 101 by screw connection. The first limiting block 2 has a first positioning surface 201, which is perpendicular to the first direction and abuts against the connecting rod cover 200. In the first direction, the opposite sides of the connecting rod body 300 abut against the third clamping mechanism 8 and the connecting rod cover 200, respectively. The second limiting block 3 has a second positioning surface 301, which is perpendicular to the second direction. In the second direction, the second positioning surface 301 and the second clamping mechanism 7 abut against the opposite sides of the connecting rod cover 200, respectively. In the third direction, the support block 4 and the first clamping mechanism 6 abut against the opposite sides of the connecting rod cover 200, respectively.

[0026] The limiting post 5 can be installed on the upright plate 101 by means of screw connection, and is located on the same side of the upright plate 101 as the first limiting block 2. The limiting post 5 is sleeved on the mounting hole 350 of the connecting rod body 300 and abuts against the inner wall of the mounting hole 350 of the connecting rod body 300, and the axis extends along the first direction. The limiting post 5 can restrict and prevent the connecting rod body 300 from moving upward in the second direction and the third direction. The fourth clamping mechanism 9 and the second positioning surface 301 abut against the connecting rod body 300 respectively to restrict and prevent the connecting rod body 300 from rotating around the limiting post 5.

[0027] The first direction, the second direction, and the third direction are all perpendicular to each other. The first direction is parallel to the X-axis, the second direction is parallel to the Y-axis, and the third direction is parallel to the Z-axis.

[0028] Specifically, please refer to Figures 1-2 The frame 1 also includes a base 102, a first mounting base 103, and a second mounting base 104. The upright plate 101 and the first mounting base 103 are detachably mounted on the base 102 by means of screws. The second mounting base 104 is detachably mounted on the upright plate 101 by means of screws. The first mounting base 103, the second mounting base 104, and the first limiting block 2 are located on the same side of the upright plate 101, and the second limiting block 3 is detachably mounted on the second mounting base 104 by means of screws.

[0029] Please refer to Figures 1-2 The first clamping mechanism 6 includes a first driving member 601, a first connecting rod 602, a first support rod 603, and a first pressure block 604. The first driving member 601 is mounted on the frame 1. The first connecting rod 602 is rotatably connected to the output shaft of the first driving member 601 by a hinge connection. The two ends of the first support rod 603 are rotatably connected to the first connecting rod 602 and the cylinder of the first driving member 601 by hinge connections. The first pressure block 604 is fixedly mounted on the first connecting rod 602 by a screw connection. The output shaft of the first driving member 601 extends in a third direction, and the first pressure block 604 is disposed opposite to the support block 4.

[0030] In the third direction, the support block 4 and the first pressure block 604 respectively abut against the opposite sides of the connecting rod cover 200 to restrict and prevent the connecting rod cover 200 from moving in the third direction.

[0031] The first driving component 601 is detachably mounted on the base 102 by means of screw connection; the support block 4 is detachably mounted on the first mounting seat 103 by means of screw connection. In order to save space, the support block 4, the first mounting seat 103 and the first limiting block 2 are all located on the same side of the upright plate 101, and the first driving component 601 is located on the other side of the upright plate 101 opposite to the first limiting block 2.

[0032] The second clamping mechanism 7 includes a second driving member 701 and a second pressure block 702. The second driving member 701 is mounted on the upright plate 101 by screw connection and is located on the same side of the upright plate 101 as the first limiting block 2. The second pressure block 702 is fixedly mounted on the output shaft of the second driving member 701 by threaded connection. The output shaft of the second driving member 701 extends along the second direction, and the second pressure block 702 is disposed opposite to the second positioning surface 301.

[0033] In the second direction, the second positioning surface 301 and the second pressing block 702 respectively abut against the opposite sides of the connecting rod cover 200 to limit and prevent the connecting rod cover 200 from moving in the second direction.

[0034] The third clamping mechanism 8 includes a third driving member 801, a third connecting rod 802, and a third pressure block 803. The third driving member 801 is mounted on the frame 1. One end of the third connecting rod 802 is fixedly mounted on the output shaft of the third driving member 801 by a threaded connection, and the other end is fixedly mounted on the third pressure block 803 by a screw connection. The output shaft of the third driving member 801 extends along a first direction, and the third pressure block 803 is disposed opposite to the first positioning surface 201.

[0035] In the first direction, the opposite sides of the connecting rod body 300 abut against the third pressure block 803 and the connecting rod cover 200 respectively. That is, in the first direction, the third pressure block 803 abuts against the connecting rod body 300, the connecting rod body 300 abuts against the connecting rod cover 200, and the connecting rod cover 200 abuts against the first positioning surface 201, thereby restricting and preventing the connecting rod body 300 and the connecting rod cover 200 from moving in the first direction.

[0036] The third drive unit 801 is detachably mounted on the second mounting base 104 by means of screw connection.

[0037] To enhance the clamping capacity of the connecting rod body 300 and the connecting rod cap 200 in the first direction, the fixture 100 for milling the connecting rod body and the connecting rod cap further includes a fifth clamping mechanism 10. In the first direction, the opposite sides of the connecting rod body 300 abut against the fifth clamping mechanism 10 and the connecting rod cap 200, respectively. In the second direction, the fifth clamping mechanism 10 is located between the third clamping mechanism 8 and the limiting post 5.

[0038] The fifth clamping mechanism 10 includes a fifth driving member 1001, a fifth connecting rod 1002, and a fifth pressure block 1003. The fifth driving member 1001 is mounted on the frame 1, specifically detachably mounted on the first mounting base 103 via screws. In the second direction, the fifth driving member 1001 is located between the third driving member 801 and the limiting post 5. The output shaft of the fifth driving member 1001 extends along the first direction, and the fifth pressure block 1003 is positioned opposite to the first positioning surface 201.

[0039] One end of the fifth connecting rod 1002 is fixedly installed on the output shaft of the fifth driving component 1001 by means of a threaded connection, and the other end is fixedly installed on the fifth pressure block 1003 by means of a screw connection.

[0040] In the first direction, the opposite sides of the connecting rod body 300 abut against the fifth pressure block 1003 and the connecting rod cover 200 respectively. That is, in the first direction, the fifth pressure block 1003 abuts against the connecting rod body 300, the connecting rod body 300 abuts against the connecting rod cover 200, and the connecting rod cover 200 abuts against the first positioning surface 201, thereby restricting and preventing the connecting rod body 300 and the connecting rod cover 200 from moving in the first direction.

[0041] Please refer to Figures 1-2 The fourth clamping mechanism 9 includes a fourth driving member 901, a fourth connecting rod 902, a fourth support rod 903, and a fourth pressure block 904. The fourth driving member 901 is mounted on the frame 1. The fourth connecting rod 902 is rotatably connected to the output shaft of the fourth driving member 901 via a hinge connection. The two ends of the fourth support rod 903 are rotatably connected to the cylinder of the fourth connecting rod 902 and the fourth driving member 901 respectively via hinge connections. The fourth pressure block 904 is fixedly mounted on the fourth connecting rod 902 via screw connections.

[0042] The fourth pressure block 904 and the second positioning surface 301 respectively abut against the connecting rod body 300 to restrict and prevent the connecting rod body 300 from rotating around the limiting post 5.

[0043] The fourth drive unit 901 is detachably mounted on the first mounting base 103 by means of screw connection. The output shaft of the fourth drive unit 901 is perpendicular to the extension direction of the connecting rod body 300, so that the fourth pressure block 904 abuts against the connecting rod body 300 vertically, and the fourth pressure block 904 abuts against the side of the connecting rod body 300 opposite to the base 102.

[0044] The first drive unit 601, the second drive unit 701, the third drive unit 801, the fourth drive unit 901, and the fifth drive unit 1001 are hydraulic cylinders or pneumatic cylinders with movable output shafts.

[0045] Please refer to Figures 3-4 In one embodiment of the present invention, the fixture 100 for milling the connecting rod body and connecting rod cap further includes an adjustment component 11, which is adjustablely mounted on the upright plate 101, and the limiting post 5 is fixedly mounted on the adjustment component 11.

[0046] Specifically, the adjustment assembly 11 includes a pad 1101, several screws 1102 and a sixth pressure block 1103. The pad 1101 is provided with a slide rail 1104, and the upright plate 101 is provided with a slide groove 105. The slide groove 105 is arranged along the extension direction of the connecting rod body 300. The slide rail 1104 is received in the slide groove 105 and abuts against the side wall of the slide groove 105 so that the slide rail 1104 can only move in the direction of the slide groove 105.

[0047] The upright plate 101 has a slot 106 that passes through the upright plate 101 in the first direction. The sixth pressing block 1103 is received in the slot 106 on one side opposite to the pad block 1101 and can move relative to the upright plate 101, and locks the upright plate 101 in the first direction.

[0048] The pad 1101 has several countersunk holes 1105 extending through it along a first direction. The sixth pressure block 1103 has several first threaded holes 1106 along the first direction. Several screws 1102 are respectively housed in the countersunk holes 1105 and the grooves 105, and are respectively engaged with the first threaded holes 1106 to clamp the pad 1101 onto the upright plate 101. The limiting post 5 is fixedly installed on the pad 1101 by means of screw connection.

[0049] After the pad 1101 is released from the vertical plate 101, the clamping force on the connecting rod 300 can be adjusted by adjusting the relative position (fine adjustment) of the pad 1101 and the sixth pressure block 1103 on the vertical plate 101 along the extension direction of the connecting rod 300. This allows the limiting post 5 and the second limiting block 3 to clamp the connecting rod 300, improving the clamping effect of the fixture 100 used for milling the connecting rod body and connecting rod cap.

[0050] Furthermore, since the pad 1101 and the sixth pressure block 1103 are connected by screws, the relative position of the pad 1101 in the direction of extension of the connecting rod body 300 can be greatly adjusted by adjusting the connection position of the pad 1101 and the sixth pressure block 1103, thereby enabling the clamping of connecting rod bodies 300 of different sizes and specifications, and improving the applicability of the fixture 100 used for milling connecting rod bodies and connecting rod caps.

[0051] Please refer to Figures 1-2 In one embodiment of this utility model, the fixture 100 for milling the connecting rod body and connecting rod cap further includes a pushing assembly 12. The pushing assembly 12 includes a seventh pressure block 1201 and a threaded component 1202. The seventh pressure block 1201 is fixedly installed on the upright plate 101 by means of screw connection, and a second threaded hole 1203 is opened through the seventh pressure block 1201 along the extension direction of the connecting rod body 300. The threaded component 1202 is engaged with the second threaded hole 1203 and abuts against the pad 1101. The threaded component 1202 can be one of a screw, bolt or threaded rod. The pad 1101 is pushed by the threaded component 1202 to adjust the relative position of the pad 1101 in the extension direction of the connecting rod body 300.

[0052] Please refer to Figures 1-2 In one embodiment of the present invention, the fixture 100 for milling the connecting rod body and connecting rod cap further includes two lifting lugs 13, which are installed on the upright plate 101 by means of threaded connection, so as to facilitate the transfer of the fixture 100 for milling the connecting rod body and connecting rod cap.

[0053] In one embodiment of this utility model, the fixture 100 for milling the connecting rod body and connecting rod cap further includes two reinforcing plates 14 and a support rod 15. The two reinforcing plates 14 are installed on the upright plate 101 and the base 102 by means of screw connection, and are located on the side of the upright plate 101 opposite to the first limiting block 2. The reinforcing plates 14 are used to enhance the stability of the installation between the upright plate 101 and the base 102.

[0054] The two ends of the support rod 15 are connected to the second mounting base 104 and the base 102 by screws.

[0055] In one embodiment of this utility model, the base 102 is provided with a plurality of connecting holes 107 along a third direction, and the base 102 can be installed on the worktable of a milling machine tool through the plurality of connecting holes 107 by existing connection methods such as bolts and screws.

[0056] In one embodiment of this utility model, to improve the clamping capacity of the fixture 100 used for milling connecting rod bodies and connecting rod caps, and to achieve mass milling of connecting rod bodies 300 and connecting rod caps 200, the dimensions of the support block 4, the second limiting block 3, the second positioning surface 301, the first connecting rod 602, the first pressure block 604, the second pressure block 702, the fourth connecting rod 902, the fourth pressure block 904, and the limiting post 5 can be adjusted to clamp more connecting rod bodies 300 and connecting rod caps 200, thus achieving mass milling of connecting rod bodies 300 and connecting rod caps 200. In this embodiment, the fixture 100 used for milling connecting rod bodies and connecting rod caps can clamp two connecting rod bodies 300 and two connecting rod caps 200. In the first direction, each link cover 200 abuts against each other, with one link cover 200 abutting against the first positioning surface 201 and another link cover 200 abutting against the link body 300; each link body 300 also abuts against each other, with one link body 300 abutting against the third pressure block 803 and the fourth pressure block 904 and another link body 300 abutting against the link cover 200.

[0057] In the specific application of this application, in the third-party direction, the support block 4 and the first pressing block 604 respectively abut against the opposite sides of the connecting rod cover 200 to restrict and prevent the connecting rod cover 200 from displacing in the third-party direction. Specifically, the output shaft of the first driving member 601 extends in the first direction, cooperating with the first support rod 603 to drive the first connecting rod 602 to rotate around the connection between the first connecting rod 602 and the output shaft of the first driving member 601. The first connecting rod 602 drives the first pressing block 604 to move toward the connecting rod cover 200 in the third-party direction, and the first pressing block 604, in conjunction with the support block 4, clamps the connecting rod cover 200 in the third-party direction. When the output shaft of the first driving member 601 retracts, the connecting rod cover 200 can be released in the third-party direction.

[0058] In the second direction, the second positioning surface 301 and the second pressing block 702 respectively abut against opposite sides of the connecting rod cover 200 to restrict and prevent displacement of the connecting rod cover 200 in the second direction. Specifically, the output shaft of the second driving member 701 extends in the second direction, driving the second pressing block 702 to move in the direction of the connecting rod cover 200. The second pressing block 702, in conjunction with the second positioning surface 301, clamps the connecting rod cover 200 in the second direction. When the output shaft of the second driving member 701 retracts, the connecting rod cover 200 can be released in the second direction.

[0059] In the first direction, the opposite sides of the connecting rod body 300 abut against the third pressure block 803 and the connecting rod cover 200, respectively. That is, in the first direction, the third pressure block 803 abuts against the connecting rod body 300, the connecting rod body 300 abuts against the connecting rod cover 200, and the connecting rod cover 200 abuts against the first positioning surface 201, thereby restricting and preventing the connecting rod body 300 and the connecting rod cover 200 from moving in the first direction. Specifically, the output shaft of the third drive member 801 retracts in the first direction, driving the third pressure block 803 to move in the direction of the connecting rod body 300 and the connecting rod cover 200. The third pressure block 803, in conjunction with the first positioning surface 201, clamps the connecting rod body 300 and the connecting rod cover 200 in the first direction. When the output shaft of the third drive member 801 extends, the connecting rod body 300 and the connecting rod cover 200 can be released in the first direction.

[0060] The limiting post 5 is sleeved on the mounting hole 350 of the connecting rod body 300 and abuts against the inner wall of the mounting hole 350 of the connecting rod body 300, and its axis extends along the first direction. The limiting post 5 can restrict and prevent the connecting rod body 300 from moving upward in the second direction and the third direction.

[0061] The fourth pressure block 904 and the second positioning surface 301 respectively abut against the connecting rod body 300, restricting and preventing the connecting rod body 300 from rotating around the limiting post 5. Specifically, the output shaft of the fourth driving member 901 extends, cooperating with the fourth support rod 903 to drive the fourth connecting rod 902 to rotate around the connection between the fourth connecting rod 902 and the output shaft of the fourth driving member 901. The fourth connecting rod 902 drives the fourth pressure block 904 to move towards the connecting rod body 300 in a direction perpendicular to the extension direction of the connecting rod body 300, cooperating with the second positioning surface 301 to restrict and prevent the connecting rod body 300 from rotating around the limiting post 5. When the output shaft of the fourth driving member 901 retracts, the restriction on the connecting rod body 300 can be released.

[0062] After the pad 1101 is released from the vertical plate 101, the clamping force on the connecting rod 300 can be adjusted by adjusting the relative position (fine adjustment) of the pad 1101 and the sixth pressure block 1103 on the vertical plate 101 along the extension direction of the connecting rod 300. This allows the limiting post 5 and the second limiting block 3 to clamp the connecting rod 300, improving the clamping effect of the fixture 100 used for milling the connecting rod body and connecting rod cap.

[0063] After the connecting rod body 300 and connecting rod cap 200 are clamped in the fixture 100 for milling the connecting rod body and connecting rod cap, the milling machine tool can feed upwards from a third direction and simultaneously mill the connecting rod body 300 and connecting rod cap 200 along a first direction or a second direction. In this embodiment, the milling machine tool simultaneously mills tooth grooves 400 on the connecting rod body 300 and connecting rod cap 200 along the first direction.

[0064] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A fixture for milling connecting rod bodies and connecting rod caps, characterized in that, include: A frame, the frame including uprights; A first limiting block, a second clamping mechanism, and a limiting post are installed on the upright plate; The second limiting block, the support block, the first clamping mechanism, the third clamping mechanism, and the fourth clamping mechanism are installed on the frame; The first limiting block is provided with a first positioning surface, which is perpendicular to the first direction and abuts against the connecting rod cover. In the first direction, the opposite sides of the connecting rod body abut against the third clamping mechanism and the connecting rod cover, respectively. The second limiting block is provided with a second positioning surface, which is perpendicular to the second direction; In the second direction, the second positioning surface and the second clamping mechanism respectively abut against the opposite sides of the connecting rod cover; In the third direction, the support block and the first clamping mechanism respectively abut against the opposite sides of the connecting rod cover; The limiting post is sleeved on the mounting hole of the connecting rod body and abuts against the inner wall of the mounting hole of the connecting rod body, and its axis extends along the first direction; The fourth clamping mechanism and the second positioning surface respectively abut against the connecting rod body to restrict the connecting rod body from rotating around the limiting post; The first direction is parallel to the X-axis, the second direction is parallel to the Y-axis, and the third direction is parallel to the Z-axis.

2. The fixture for milling connecting rod bodies and connecting rod caps as described in claim 1, characterized in that, A fixture for milling connecting rod bodies and connecting rod caps further includes an adjustment assembly, which is adjustablely mounted on the vertical plate, and the limiting post is fixedly mounted on the adjustment assembly.

3. The fixture for milling connecting rod bodies and connecting rod caps as described in claim 2, characterized in that, A fixture for milling connecting rod body and connecting rod cap further includes a fifth clamping mechanism. In a first direction, the opposite sides of the connecting rod body abut against the fifth clamping mechanism and the connecting rod cap, respectively. In a second direction, the fifth clamping mechanism is located between the third clamping mechanism and the limiting post.

4. The fixture for milling connecting rod bodies and connecting rod caps as described in claim 3, characterized in that, The first clamping mechanism includes a first driving member, a first connecting rod, a first support rod, and a first pressure block. The first driving member is mounted on the frame. The first connecting rod is rotatably connected to the output shaft of the first driving member. The two ends of the first support rod are rotatably connected to the first connecting rod and the cylinder of the first driving member, respectively. The first pressure block is fixedly mounted on the first connecting rod. In the third direction, the support block and the first pressure block abut against the opposite sides of the connecting rod cover.

5. A fixture for milling connecting rod bodies and connecting rod caps as described in claim 4, characterized in that, The second clamping mechanism includes a second driving member and a second pressure block. The second driving member is mounted on the upright plate, and the second pressure block is fixedly mounted on the output shaft of the second driving member. In the second direction, the second positioning surface and the second pressure block respectively abut against the opposite sides of the connecting rod cover.

6. A fixture for milling connecting rod bodies and connecting rod caps as described in claim 5, characterized in that, The third clamping mechanism includes a third driving member, a third connecting rod, and a third pressure block. The third driving member is mounted on the frame. One end of the third connecting rod is fixedly mounted on the output shaft of the third driving member, and the other end is fixedly mounted on the third pressure block. In the first direction, the opposite sides of the connecting rod body abut against the third pressure block and the connecting rod cover, respectively. The fifth clamping mechanism includes a fifth driving member, a fifth connecting rod, and a fifth pressure block. The fifth driving member is mounted on the frame. One end of the fifth connecting rod is fixedly mounted on the output shaft of the fifth driving member, and the other end is fixedly mounted on the fifth pressure block. In the first direction, the opposite sides of the connecting rod body abut against the fifth pressure block and the connecting rod cover, respectively.

7. A fixture for milling connecting rod bodies and connecting rod caps as described in claim 6, characterized in that, The fourth clamping mechanism includes a fourth driving member, a fourth connecting rod, a fourth support rod, and a fourth pressure block. The fourth driving member is mounted on the frame. The fourth connecting rod is rotatably connected to the output shaft of the fourth driving member. The two ends of the fourth support rod are rotatably connected to the cylinder of the fourth driving member, respectively. The fourth pressure block is fixedly mounted on the fourth connecting rod. The fourth pressure block and the second positioning surface abut against the connecting rod body to restrict the connecting rod body from rotating around the limiting post.

8. A fixture for milling connecting rod bodies and connecting rod caps as described in claim 7, characterized in that, The adjustment assembly includes a pad, several screws and a sixth pressure block. The pad is provided with a slide rail, and the upright plate is provided with a slide groove. The slide groove is arranged along the extension direction of the connecting rod body. The slide rail is received in the slide groove and abuts against the side wall of the slide groove. The upright plate has a slot that penetrates through the upright plate in the first direction. The sixth pressing block is received in the slot on one side opposite to the pad block and can move relative to the upright plate, and locks the upright plate in the first direction. The pad has several countersunk holes through it along the first direction, and the sixth pressure block has several first threaded holes along the first direction. Several screws are respectively housed in the several countersunk holes and the groove, and are respectively engaged with the several first threaded holes to clamp the pad on the upright plate. The limiting post is fixedly installed on the pad.

9. A fixture for milling connecting rod bodies and connecting rod caps as described in claim 8, characterized in that, It also includes a pushing component, which includes a seventh pressure block and a threaded component. The seventh pressure block is fixedly installed on the upright plate and has a second threaded hole that penetrates the seventh pressure block along the extension direction of the connecting rod. The threaded component is engaged with the second threaded hole and abuts against the pad.

10. A fixture for milling connecting rod bodies and connecting rod caps as described in claim 9, characterized in that, The frame also includes a base, a first mounting base, and a second mounting base. The upright plate and the first mounting base are respectively detachably mounted on the base, and the second mounting base is detachably mounted on the upright plate. The first driving component is detachably mounted on the base, the support block, the fourth driving component, and the fifth driving component are detachably mounted on the first mounting base, and the second limiting block and the third driving component are detachably mounted on the second mounting base.

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