CN211804890U

CN211804890U - Connecting rod horizontal machining four-station clamp

Info

Publication number: CN211804890U
Application number: CN201922129578.8U
Authority: CN
Inventors: 江景明; 余宣扬; 吴珠胜
Original assignee: Anqing Cssc Mating Power Co ltd
Current assignee: Anqing Cssc Mating Power Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-10-30
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a connecting rod crouches adds quadruplex position anchor clamps, including the anchor clamps body and fix the first clamping device that is used for the clamping connecting rod body on the anchor clamps body, be used for the second clamping device of clamping middle section pole, be used for the third clamping device of clamping pole lid and the fourth clamping device of clamping middle section pole and pole lid simultaneously, the anchor clamps body can the pivoted fix on the lathe workstation. The utility model has the advantages of, through be equipped with four clamping devices on an anchor clamps body, realize the structural clamping connecting rod body of while at an anchor clamps, middle section pole and pole lid, synthesize into a set anchor clamps with three sets of anchor clamps of original needs, and only need one crouch to add and can accomplish the connecting rod body, the processing of middle section pole and pole lid, improve machining efficiency greatly and reduce the processing cost, simultaneously because the connecting rod body, middle section pole and pole lid all crouch at same platform and add processing, the machining precision uniformity is good, better assurance machining precision.

Description

Connecting rod horizontal machining four-station clamp

Technical Field

The utility model relates to a frock clamp technical field specifically is a connecting rod crouches and adds quadruplex position anchor clamps.

Background

The connecting rod is a rod piece which is used for transmitting motion and force by a driving part and a driven part in the diesel engine, is a member for connecting a piston and a crankshaft to move, is an important part in the diesel engine, bears strong impact and dynamic stress in work, bears dynamic load which changes rapidly, and determines the overall performance of the diesel engine according to the quality of the connecting rod, so that higher requirements are provided for the manufacturing process of the connecting rod, and the processing of a key part of the connecting rod needs advanced manufacturing process and manufacturing process equipment. At present, generally, at least three sets of fixtures are used for a three-section type connecting rod horizontal machining procedure, namely a rod cover horizontal fixture, a middle rod horizontal fixture and a rod body horizontal fixture, wherein one horizontal fixture only has two machine tool workbenches, only two sets of fixtures can be used, and the other fixture is bound to be used for the second horizontal fixture, so that the machine tool and fixture resources are wasted, the clamping and machining efficiency is low, the machining cost is high, and the machined connecting rod is not high in precision consistency due to different machine tools.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: the connecting rod horizontal machining four-station clamp capable of improving machining efficiency and machining precision and reducing machining cost is provided, and the problems that existing connecting rods are low in machining efficiency, high in machining cost and incapable of guaranteeing machining precision are solved.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a connecting rod crouches adds quadruplex position anchor clamps, includes the anchor clamps body and fixes the first clamping device that is used for the clamping connecting rod body on the anchor clamps body, the second clamping device that is used for the clamping middle section pole, the fourth clamping device that is used for the third clamping device of clamping pole lid and clamping middle section pole and pole lid simultaneously, the anchor clamps body can the pivoted fix on the lathe workstation.

The fixture body comprises a bottom plate, a fixing plate and a fixing seat, the bottom plate can be rotationally fixed on a machine tool workbench, the fixing plate and the fixing seat are vertically fixed on the bottom plate, a first clamping device is fixed on one side of the fixing plate, the fixing seat is attached to the other side of the fixing plate, a second clamping device and a third clamping device are respectively fixed on the two sides of the fixing seat perpendicular to the fixing plate, and a fourth clamping device is fixed on the upper surface of the fixing seat.

The first clamping device comprises a first supporting seat, a second supporting seat, a first adjustable positioning pin, a first positioning mechanism, a second positioning mechanism, a first pressing mechanism, a second pressing mechanism and a third pressing mechanism, wherein the first supporting seat and the second supporting seat are fixed on a fixing plate and are used for supporting the bottom surfaces of the two ends of the connecting rod body, a plurality of first adjustable positioning pins for positioning the side surfaces of the two ends of the connecting rod body close to one side of the fixing plate are fixed on the fixing plate, a first positioning mechanism for positioning the shoulder blade surface of the connecting rod body is symmetrically fixed at one end of the fixing plate along the axial center line of the connecting rod body, a second positioning mechanism for positioning the small end of the connecting rod body is fixed at the other end of the fixing plate along the axial center line of the connecting rod body, the positioning end of the second positioning mechanism is arranged towards the center of the small end of the connecting rod body, and the first pressing mechanisms for pressing the top surfaces, and a second pressing mechanism for pressing the middle section of the connecting rod body is fixed on the fixing plate between the first positioning mechanism and the second positioning mechanism, and a third pressing mechanism is fixed on the side surfaces of the fixing plate and the bottom plate and is used for pressing the end surface of one end far away from the small end of the connecting rod body.

The second clamping device comprises a first supporting block, a second adjustable positioning pin, a first positioning block, a fourth pressing mechanism, a fifth pressing mechanism and a sixth pressing mechanism, the first supporting block is fixed on the bottom plate and used for supporting the bottom end face of the middle section rod, a plurality of second adjustable positioning pins used for limiting the side face of the middle section rod and a first positioning block used for limiting the connection face of the middle section rod and the connecting rod body are fixed on the side face of the fixing base, the fourth pressing mechanism used for clamping the arc-shaped inner wall of the middle section rod is fixed on the side face of the fixing base between the second adjustable positioning pin and the first positioning block, the fifth pressing mechanism is fixed on the upper end of the side face of the fixing base and used for pressing the top end of the middle section rod, and a plurality of sixth pressing mechanisms used for pressing the middle section rod and keeping away from one side face of the fixing.

The third clamping device comprises a second supporting block, a third adjustable positioning pin, a second positioning block, a seventh pressing mechanism, an eighth pressing mechanism and a ninth pressing mechanism, the second supporting block is fixedly arranged on a bottom plate far away from the second clamping device and used for supporting the bottom end face of the rod cover, one side, far away from the second clamping device, of the fixing seat is fixedly provided with a plurality of third adjustable positioning pins used for limiting the side faces of the rod cover and a second positioning block far away from the side face, connected with the middle rod, of the rod cover, the seventh pressing mechanism used for clamping the arc-shaped inner wall of the rod cover is fixedly arranged on the side face of the fixing seat between the third adjustable positioning pin and the second positioning block, the eighth pressing mechanism is fixedly arranged at the top end of the pressing rod cover used on the side face of the fixing seat, and the plurality of ninth pressing mechanisms used for pressing the rod cover far away from one side face of the.

The fourth clamping device comprises a positioning seat, a third supporting block, a fourth adjustable positioning pin, a first positioning pin, a third positioning block, a first auxiliary pressing mechanism, a second auxiliary pressing mechanism and a tenth pressing mechanism, the positioning seat is fixed on the upper end surface of the fixing seat, a plurality of third supporting blocks and fourth adjustable positioning pins for supporting the middle rod and the rod cover are further fixed on the upper end surface of the fixing seat around the positioning seat, a first positioning pin for positioning the arc-shaped inner walls of the middle rod and the rod cover and a third positioning block for positioning the connecting surface of the middle rod and the rod cover are further symmetrically fixed on the positioning seat, a first auxiliary pressing mechanism for assisting the pressing of the rod cover and the side surface of the middle rod are fixed on the side surface of the fixing seat far away from the fixing plate, a second auxiliary pressing mechanism for assisting the pressing of the rod cover and the side surface of the middle rod is further fixed on the side surface of the fixing seat near the first positioning pin, and a plurality of tenth pressing mechanisms used for pressing the rod cover and keeping the middle rod away from one side of the top surface of the fixing seat are fixed on the positioning seat.

Preferably, at least one auxiliary supporting seat for supporting the connecting rod body is further fixed on the bottom plate.

Preferably, a cushion block is further fixed on the auxiliary supporting seat.

Preferably, the first positioning mechanism comprises a first positioning base and a first adjusting bolt, the first positioning base is fixed on the side face of the fixing plate, the first adjusting bolt is fixed on the first positioning base, and the positioning end of the first adjusting bolt is arranged towards the shoulder blade face of the connecting rod body;

the second positioning mechanism comprises a second positioning base and a second adjusting bolt, the second positioning base is fixed on the side face of the fixing plate, the second adjusting bolt is fixed on the second positioning base, and the positioning end of the second adjusting bolt is arranged towards the center of the small end of the connecting rod body.

Preferably, the first pressing mechanism comprises a first pressing fixed seat and a first pressing screw, the first pressing fixed seat is respectively fixed on the fixed plate far away from the top surfaces of the two ends of the connecting rod body, and the first pressing fixed seat is fixed with the first pressing screw for pressing the top surfaces of the two ends of the connecting rod body;

the second pressing mechanism comprises a second pressing fixed seat, a first pressing plate, a first supporting screw, a first pressing nut, a first spring and a first supporting rod, the second pressing fixed seat is fixed on the fixed plate, the first pressing plate is fixed on the second pressing fixed seat through the first supporting screw, the first pressing nut pressing the first pressing plate is further arranged on the first supporting screw, the first spring is further sleeved on the first supporting screw, one end of the first spring is connected with the first pressing plate, the other end of the first spring is connected with the second pressing fixed seat, and the first supporting rod used for supporting one end of the first pressing plate is further fixed on the second pressing fixed seat;

the third hold-down mechanism includes that the third compresses tightly fixing base, slide bar, sliding sleeve, mounting and second housing screw, the third compresses tightly the fixing base and fixes on the fixed plate, slide bar one end is fixed on the third compresses tightly fixing base, and the other end is fixed in the bottom plate side, be fixed with the sliding sleeve that can reciprocate at the slide bar on the slide bar, sliding sleeve one side is fixed with the mounting, second housing screw and mounting threaded connection pass the mounting and compress tightly the one end terminal surface of keeping away from the connecting rod body stub end.

Preferably, the fourth pressing mechanism comprises a fourth pressing fixed seat, a second pressing plate, a second supporting screw and a second pressing nut, the fourth pressing fixed seat is fixed on the side face of the fixed seat, the second pressing plate is fixed on the fourth pressing fixed seat through a second supporting rod, and the second pressing nut for pressing the second pressing plate is further fixed at one end, away from the fourth pressing fixed seat, of the second supporting screw;

the fifth pressing mechanism comprises a fifth pressing fixed seat and a third pressing screw, the fifth pressing fixed seat is fixed on the side face of the fixed seat above the first supporting block, and the fifth pressing fixed seat is fixedly provided with the third pressing screw for pressing the top end of the middle rod;

the sixth pressing mechanism comprises a sixth pressing fixing seat, a third pressing plate, a third supporting screw rod, a third pressing nut, a third spring and a third supporting rod, the sixth pressing fixing seat is fixed on the side face of the fixing seat, the third pressing plate is fixed on the sixth pressing fixing seat through the third supporting screw rod, the third pressing nut for pressing the third pressing plate is further arranged on the third supporting screw rod, the third spring is further sleeved on the third supporting screw rod, one end of the third spring is connected with the third pressing plate, the other end of the third spring is connected with the sixth pressing fixing seat, and the sixth pressing fixing seat is further fixedly provided with the third supporting rod for supporting one end of the third pressing plate.

Preferably, the seventh pressing mechanism comprises a seventh pressing fixed seat, a third pressing plate, a third supporting screw and a third pressing nut, the seventh pressing fixed seat is fixed on the side surface of the fixed seat, the third pressing plate is fixed on the seventh pressing fixed seat through a third supporting rod, and the end, away from the seventh pressing fixed seat, of the third supporting screw is further fixed with the third pressing nut for pressing the third pressing plate;

the eighth pressing mechanism comprises an eighth pressing fixed seat and a fourth pressing screw, the eighth pressing fixed seat is fixed on the side face of the fixed seat above the second supporting block, and the eighth pressing fixed seat is fixed with the fourth pressing screw for pressing the top end of the rod cover;

the ninth pressing mechanism comprises a ninth pressing fixing seat, a fourth pressing plate, a fourth supporting screw, a fourth pressing nut, a fourth spring and a fourth supporting rod, the ninth pressing fixing seat is fixed on the side face of the fixing seat, the fourth pressing plate is fixed on the ninth pressing fixing seat through the fourth supporting screw, the fourth pressing nut for pressing the fourth pressing plate is further arranged on the fourth supporting screw, the fourth spring is further sleeved on the fourth supporting screw, one end of the fourth spring is connected with the fourth pressing plate, the other end of the fourth spring is connected with the ninth pressing fixing seat, and the ninth pressing fixing seat is further fixedly provided with the fourth supporting rod for supporting one end of the fourth pressing plate.

Preferably, the first auxiliary pressing mechanism comprises a first auxiliary fixing seat, a first auxiliary pressing plate, a first auxiliary supporting screw rod, a first auxiliary pressing nut, a first auxiliary spring and a first auxiliary supporting rod, the first auxiliary fixing seat is respectively fixed on the side surface of the fixing plate and the side surface of the fixing seat, the first auxiliary pressing plate is fixed on the first auxiliary fixing seat through the first auxiliary supporting screw rod, the first auxiliary pressing nut for pressing the first auxiliary pressing plate is further fixed on the first auxiliary supporting screw rod, the first auxiliary supporting screw rod is further sleeved with the first auxiliary spring, one end of the first auxiliary spring is connected with the first auxiliary pressing plate, the other end of the first auxiliary spring is connected with the first auxiliary fixing seat, and the first auxiliary supporting rod for supporting one end of the first auxiliary pressing plate is further fixed on the first auxiliary fixing seat;

the second auxiliary pressing mechanism comprises a second auxiliary pressing plate, a second auxiliary supporting screw rod, a second auxiliary pressing nut, a second auxiliary spring and a second auxiliary supporting rod, the first auxiliary pressing plate is fixed on the side face of the fixing seat close to one side of the second clamping device through the first auxiliary supporting screw rod, the second auxiliary supporting screw rod is further fixedly provided with the second auxiliary pressing nut for pressing the second auxiliary pressing plate, the second auxiliary supporting screw rod is further sleeved with the second auxiliary spring, one end of the second auxiliary spring is connected with the second auxiliary pressing plate, the other end of the second auxiliary spring is connected with the side face of the fixing seat, and the side face of the fixing seat is further fixedly provided with the second auxiliary supporting rod for supporting one end of the second auxiliary pressing plate;

the tenth pressing mechanism comprises a fifth pressing plate, a fifth supporting screw, a fifth pressing nut, a fifth spring and a fifth supporting rod, the fifth pressing plate is fixed on the upper surface of the positioning seat through the fifth supporting screw, the fifth pressing nut for pressing the fifth pressing plate is further fixed on the fifth supporting screw, the fifth spring is further sleeved on the fifth supporting screw, one end of the fifth spring is connected with the fifth pressing plate, the other end of the fifth spring is connected with the positioning seat, and the fifth supporting rod for supporting one end of the fifth pressing plate is further fixed on the positioning seat.

Preferably, the second clamping device comprises a fourth supporting block for supporting the bottom end face of the middle rod far away from the first supporting block, and the fourth supporting block is vertically fixed on the side face of the fixed seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being equipped with four clamping devices on a anchor clamps body, realize the structural clamping connecting rod body of clamping simultaneously of anchor clamps, middle section pole and pole lid, synthesize into a set anchor clamps with original three sets of anchor clamps that need, and only need one crouch to add can accomplish the connecting rod body, the processing of middle section pole and pole lid, improve machining efficiency greatly and reduce the processing cost, simultaneously because the connecting rod body, middle section pole and pole lid all crouch at same platform and add processing, the machining precision uniformity is good, better assurance the machining precision.

2. Through the setting of auxiliary supporting seat, realize realizing the axial displacement of the connecting rod body to the auxiliary stay of the connecting rod body, improve clamping efficiency to improve machining efficiency.

Drawings

Fig. 1 is a first structural schematic view of a horizontal connecting rod four-station clamp according to a first embodiment of the present invention;

fig. 2 is a second schematic structural diagram according to a first embodiment of the present invention;

fig. 3 is a third structural schematic diagram according to a first embodiment of the present invention;

fig. 4 is a fourth schematic structural diagram according to a first embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second embodiment of the present invention.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless explicitly stated or limited otherwise, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Example one

Referring to fig. 1 to 4, the embodiment discloses a connecting rod horizontal-loading four-station fixture, which includes a fixture body 1, a first clamping device 2 fixed on the fixture body 1 for clamping a connecting rod body 6, a second clamping device 3 for clamping a middle rod 7, a third clamping device 4 for clamping a rod cover 8, and a fourth clamping device 5 for simultaneously clamping the middle rod 7 and the rod cover 8, wherein the fixture body 1 can be rotatably fixed on a machine tool workbench (not shown); realize that the connecting rod body 6, middle section pole 7 and pole lid 8 of clamping simultaneously on a anchor clamps structure, synthesize into a set anchor clamps with three sets of anchor clamps of original needs to through rotating anchor clamps body 1, only need one crouch add can accomplish the processing to connecting rod body 6, middle section pole 7 and pole lid 8, improve machining efficiency greatly and reduce the processing cost, simultaneously because crouch at same platform and add processing, the machining precision uniformity is good, better assurance the machining precision.

The fixture body 1 comprises a bottom plate 11, a fixing plate 12 and a fixing seat 13, wherein the bottom plate 11 can be rotationally fixed on a machine tool workbench (not shown), the fixing plate 12 and the fixing seat 13 are both vertically fixed on the bottom plate 11, the fixing plate 11 is provided with a first clamping device 2 fixed on one side and a fixing seat 13 laminated on the other side, the fixing seat 13 is provided with a second clamping device 3 and a third clamping device 4 fixed on two sides perpendicular to the fixing plate 12 respectively, and the fixing seat 13 is provided with a fourth clamping device 5 fixed on the upper surface.

Referring to fig. 1, the first clamping device 2 includes a first supporting seat 21, a second supporting seat 22, a first adjustable positioning pin 23, a first positioning mechanism 24, a second positioning mechanism 25, a first pressing mechanism 26, a second pressing mechanism 27, and a third pressing mechanism 28, the first supporting seat 21 and the second supporting seat 22 are fixed on a fixing plate 12 for supporting bottom surfaces of two ends of the connecting rod body 6, the fixing plate 12 is fixed with a plurality of first adjustable positioning pins 23 for positioning side surfaces of two ends of the connecting rod body 6 near the fixing plate 12, one end of the fixing plate 12 is symmetrically fixed with a first positioning mechanism 24 for positioning a shoulder blade surface 61 of the connecting rod body 6 along an axial center line of the connecting rod body 6, the other end is fixed with a second positioning mechanism 25 for positioning a small end of the connecting rod body 6 along the axial center line of the connecting rod body 6, a positioning end of the second positioning mechanism 25 is arranged toward the center of the small end of the connecting rod body 6, a first pressing mechanism 26 for pressing the top surfaces of the two ends of the connecting rod body 6 is fixed on the fixing plate 12, a second pressing mechanism 27 for pressing the middle section of the connecting rod body 6 is fixed on the fixing plate 12 between the first positioning mechanism 24 and the second positioning mechanism 25, and a third pressing mechanism 28 is fixed on the side surfaces of the fixing plate 12 and the bottom plate 11 for pressing the end surface of one end far away from the small end of the connecting rod body 6; specifically, hoist the connecting rod body 6 to first supporting seat 21 and second supporting seat 22 on, fix a position the connecting rod body 6 one side that is close to fixed plate 12 through first adjustable locating pin 23, and through the setting of first adjustable locating pin 23, can adapt to the clamping location of the connecting rod body 6 of different models, carry out axial positioning to connecting rod body 6 tip end through first positioning mechanism 24 to connecting rod body 6 shoulder blade face 61 and second positioning mechanism 25 simultaneously, the up end at connecting rod body 6 both ends is compressed tightly the location through first hold-down mechanism 26, it is fixed to compress tightly the side that fixed plate 12 one side was kept away from to connecting rod body 6 through second hold-down mechanism 27 and third hold-down mechanism 28 at last, the realization is to connecting rod body 6's all-round location come the processing connecting surface that connecting rod body 6 and middle section pole 7 are connected.

Further, the first positioning mechanism 24 includes a first positioning base 241 and a first adjusting bolt 242, the first positioning base 241 is fixed on the side surface of the fixing plate 12, the first adjusting bolt 242 is fixed on the first positioning base 241, and the positioning end of the first adjusting bolt 242 is arranged towards the scapular surface 61 of the connecting rod body 6; the second positioning mechanism 25 includes a second positioning base 251 and a second adjusting bolt 252, the second positioning base 251 is fixed on the side of the fixing plate 12, the second adjusting bolt 252 is fixed on the second positioning base 251, the positioning end of the second adjusting bolt 252 is arranged towards the center of the small end of the connecting rod body 6, and the first clamping device 2 can be adapted to clamping of connecting rod bodies 6 of different models by the arrangement of the first adjusting bolt 242 and the second adjusting bolt 252.

Still further, the first pressing mechanism 26 includes a first pressing fixing seat 261 and a first pressing screw 262, the first pressing fixing seat 261 is respectively fixed on the fixing plate 12 far away from the top surfaces of the two ends of the connecting rod body 6, and the first pressing fixing seat 261 is provided with the first pressing screw 262 for pressing the top surfaces of the two ends of the connecting rod body 6.

The second pressing mechanism 27 includes a second pressing fixing seat 271, a first pressing plate 272, a first supporting screw 273, a first pressing nut 274, a first spring 275 and a first supporting rod 276, the second pressing fixing seat 272 is fixed on the fixing plate 12, the first pressing plate 272 is fixed on the second pressing fixing seat 271 through a first supporting screw 273, the first supporting screw 273 is further provided with a first pressing nut 274 for pressing the first pressing plate 272, the first support screw 273 is further sleeved with a first spring 275, one end of the first spring 275 is connected with the first pressing plate 272, the other end is connected with the second pressing fixing seat 271, the first spring 275 is always under compression, so that when the first compression nut 274 is loosened, the elastic force of the first spring 275 can enable the first pressing plate 272 to automatically move upwards, the first pressing plate 272 is not required to be lifted up by additional manual operation, and the first pressing plate 272 is ensured not to fall off when the pressing mechanism is in a releasing state; a first supporting rod 276 for supporting one end of the first pressing plate 272 is further fixed on the second pressing fixing seat 271.

The third pressing mechanism 28 comprises a third pressing fixed seat 281, a sliding rod 282, a sliding sleeve 283, a fixing part 284 and a second pressing screw 285, the third pressing fixed seat 281 is fixed on the fixing plate 12, one end of the sliding rod 282 is fixed on the third pressing fixed seat 281, the other end of the sliding rod 282 is fixed on the side surface of the bottom plate 12 right below the third pressing fixed seat 281, the sliding sleeve 283 capable of moving up and down on the sliding rod 283 is fixed on the sliding rod 282, the fixing part 284 is fixed on one side of the sliding sleeve 283, and the second pressing screw 285 is in threaded connection with the fixing part 284 and penetrates through the fixing part 284 to press the end surface of one end far away from the; specifically, before the connecting rod body 6 is hoisted to the first clamping device 2, the sliding sleeve 283 is slid downwards from the sliding rod 282, so that the hoisting of the connecting rod body 6 to the first supporting seat 21 and the second supporting seat 22 is not influenced.

Referring to fig. 2, the second clamping device 3 includes a first supporting block 31, a second adjustable positioning pin 32, a first positioning block 33, a fourth pressing mechanism 34, a fifth pressing mechanism 35 and a sixth pressing mechanism 36, the first supporting block 31 is fixed on the bottom plate 11 for supporting the bottom end face of the middle rod 7, the side face of the fixed seat 13 is fixed with a plurality of second adjustable positioning pins 32 for limiting the side face of the middle rod 7 and a first positioning block 33 for limiting the connecting face of the middle rod 7 and the connecting rod body 6, a fourth pressing mechanism 34 for clamping the arc-shaped inner wall of the middle rod 7 is fixed on the side surface of the fixed seat 13 between the second adjustable positioning pin 32 and the first positioning block 33, the fifth pressing mechanism 35 is fixed at the upper end of the side surface of the fixed seat 13 and used for pressing the top end of the middle rod 7, a plurality of sixth pressing mechanisms 36 for pressing one side of the middle rod 7 away from the side of the fixed seat 13 are further fixed on the side of the fixed seat 13; specifically, hoist middle section pole 7 to first supporting block 31 on, and through second adjustable locating pin 32 and first locating block 33 to middle section pole 7 side and to middle section pole 7 with connecting rod body 6 be connected the face spacing, then compress tightly middle section pole 7 arc inner wall through fourth hold-down mechanism 34, and fifth hold-down mechanism 35 compresses tightly middle section pole 7 top, rethread sixth hold-down mechanism 36 compresses tightly middle section pole 7 to keeping away from fixing base 13 side one side, the realization is to the all-round location of middle section pole 7 process the connection face that middle section pole 7 and connecting rod body 6 are connected.

Further, the fourth pressing mechanism 34 includes a fourth pressing fixing seat 341, a second pressing plate 342, a second supporting screw 343 and a second pressing nut 344, the fourth pressing fixing seat 341 is fixed on the side of the fixing seat 13, the second pressing plate 342 is fixed on the fourth pressing fixing seat 341 through the second supporting rod 343, and a second pressing nut 344 for pressing the second pressing plate 342 is further fixed at one end of the second supporting screw 343 away from the fourth pressing fixing seat 341.

The fifth pressing mechanism 35 includes a fifth pressing fixing seat 351 and a third pressing screw 352, the fifth pressing fixing seat 351 is fixed on the side surface of the fixing seat 13 above the first supporting block 31, and the third pressing screw 352 for pressing the top end of the middle rod 7 is fixed on the fifth pressing fixing seat 351.

The sixth pressing mechanism 36 includes a sixth pressing fixing seat 361, a third pressing plate 362, a third supporting screw 363, a third pressing nut 364, a third spring 365 and a third supporting rod 366, the sixth pressing fixing seat 361 is fixed on the side surface of the fixing seat 13, the third pressing plate 362 is fixed on the sixth pressing fixing seat 361 through a third supporting screw 363, a third compression nut 364 for compressing the third pressure plate 362 is further disposed on the third support screw 363, a third spring 365 is further sleeved on the third support screw 363, one end of the third spring 365 is connected with the third pressing plate 362, the other end is connected with a sixth pressing fixing seat 361, the third spring 365 is always in compression, such that when the third compression nut 364 is loosened, the elastic force of the third spring 365 can enable the third pressing plate 362 to automatically move upwards, the third pressing plate 362 is not required to be lifted upwards by additional manual operation, and the third pressing plate 362 is ensured not to fall off when the pressing mechanism is in a releasing state; a third support rod 366 for supporting one end of the third press plate 362 is further fixed on the sixth pressing fixing seat 361.

Still further, the second clamping device 3 further includes a fourth supporting block 37 for supporting the bottom end face of the middle rod 7 away from the first supporting block 31, and the fourth supporting block 37 is vertically fixed on the side face of the fixed seat 13.

Referring to fig. 3, the third clamping device 4 includes a second supporting block 41, a third adjustable positioning pin 42, a second positioning block 43, a seventh pressing mechanism 44, an eighth pressing mechanism 45, and a ninth pressing mechanism 46, the second supporting block 41 is fixed on the bottom plate 11 far away from the second clamping device 3 and is used for supporting the bottom end face of the rod cover 8, a plurality of third adjustable positioning pins 42 for limiting the side surface of the rod cover 8 and a second positioning block 43 for limiting the side surface of the rod cover 8 away from the connecting surface of the rod cover 8 and the middle rod 7 are fixed on one side of the fixed seat 13 away from the second clamping device 3, a seventh pressing mechanism 44 for clamping the arc-shaped inner wall of the rod cover 8 is fixed on the side surface of the fixed seat 13 between the third adjustable positioning pin 42 and the second positioning block 43, the eighth pressing mechanism 45 is fixed at the top end of the upper end of the side surface of the fixed seat 13 and covers the top end of the pressing rod 8, a plurality of ninth pressing mechanisms 46 for pressing one side of the rod cover 8 away from the side of the fixed seat 13 are further fixed on the side of the fixed seat 13; concretely, hoist the rod cover 8 to the second brace 41 on, and through third adjustable locating pin 42 and second locating piece 43 to 8 sides of rod cover and to the rod cover 8 with middle section pole 7 be connected the face carry on spacingly, then compress tightly 8 arc inner walls of rod cover through seventh hold-down mechanism 44, and eighth hold-down mechanism 45 compresses tightly 8 tops of rod cover, rethread ninth hold-down mechanism 46 compresses tightly one side rod cover 8 of keeping away from fixing base 13 side, the realization is processed the pole cover 8 and is connected the face with middle section pole 7 is connected to the all-round location of rod cover 8.

Furthermore, the seventh pressing mechanism 44 includes a seventh pressing fixing seat 441, a third pressing plate 442, a third supporting screw 443, and a third pressing nut 444, the seventh pressing fixing seat 441 is fixed on the side surface of the fixing seat 13, the third pressing plate 442 is fixed on the seventh pressing fixing seat 441 through the third supporting rod 443, and a third pressing nut 444 for pressing the third pressing plate 442 is further fixed at an end of the third supporting screw 443 away from the seventh pressing fixing seat 441.

The eighth pressing mechanism 45 includes an eighth pressing fixing seat 451 and a fourth pressing screw 452, the eighth pressing fixing seat 451 is fixed on the side surface of the fixing seat 13 above the second supporting block 41, and the fourth pressing screw 452 for pressing the top end of the rod cover 8 is fixed on the eighth pressing fixing seat 451.

The ninth pressing mechanism 46 includes a ninth pressing fixing seat 461, a fourth pressing plate 462, a fourth supporting screw 463, a fourth pressing nut 464, a fourth spring (not labeled in the figure) and a fourth supporting rod (not labeled in the figure), the ninth pressing fixing seat 461 is fixed on the side surface of the fixing seat 13, the fourth pressing plate 462 is fixed on the ninth pressing fixing seat 461 through the fourth supporting screw 463, the fourth supporting screw 463 is further provided with the fourth pressing nut 464 for pressing the fourth pressing plate 462, the fourth supporting screw 463 is further sleeved with the fourth spring (not labeled in the figure), one end of the fourth spring (not labeled in the figure) is connected with the fourth pressing plate 462, the other end of the fourth spring is connected with the ninth pressing fixing seat 461, and the ninth pressing fixing seat 461 is further fixed with the fourth supporting rod (not labeled in the figure) for supporting one end of the fourth pressing plate 462.

Referring to fig. 2 and 4, the fourth clamping device 5 includes a positioning seat 51, a third supporting block 52, a fourth adjustable positioning pin 53, a first positioning pin 54, a third positioning block 55, a first auxiliary pressing mechanism 56, a second auxiliary pressing mechanism 57, and a tenth pressing mechanism 58, the positioning seat 51 is fixed on the upper end surface of the fixing seat 13, a plurality of third supporting blocks 52 and fourth adjustable positioning pins 53 for supporting the middle rod 7 and the rod cover 8 are further fixed on the upper end surface of the fixing seat 13 around the positioning seat 51, the positioning seat 13 is further symmetrically fixed with a first positioning pin 54 for positioning the middle rod 7 and the arc-shaped inner wall of the rod cover 8 and a third positioning block 55 for positioning the connecting surface between the middle rod 7 and the rod cover 8, the first auxiliary pressing mechanism 56 for assisting in pressing the side surfaces of the rod cover 8 and the middle rod 7 is further fixed on the side surface of the fixing plate 12 and the side surface of the fixing seat 13 far from the fixing plate 12, a second auxiliary pressing mechanism 57 for assisting to press the rod cover 8 and the other side of the middle rod 7 is further fixed on the side of the fixed seat 13 close to the first positioning pin 54, and a plurality of tenth pressing mechanisms 58 for pressing the rod cover 8 and the side of the middle rod 7 far away from the top surface of the fixed seat 13 are fixed on the positioning seat 51; specifically, the middle rod 7 and the rod cover 8 are hoisted to the third supporting block and the fourth adjustable positioning pin 53, and through the arrangement of the fourth adjustable positioning pin 53, the clamping device can clamp middle rods 7 and rod covers 8 of different types, move the middle rods 7 and the rod covers 8, so that the arc inner walls of the middle rod 7 and the rod cover 8 are respectively jointed with the first positioning pin 54 and the joint surfaces of the middle rod 7 and the rod cover 8 are respectively jointed with the third positioning block 55, then the middle rod 7 and the rod cover 8 are limited and fixed in the horizontal direction through a first auxiliary pressing mechanism 56 and a second auxiliary pressing mechanism 57, finally the rod cover 8 and one side of the middle rod 7 far away from the top surface of the fixed seat 13 are pressed and fixed through a tenth pressing mechanism 58, after the pressing and fixing are completed, the first auxiliary pressing mechanism 56 and the second auxiliary pressing mechanism 57 are removed, and the three sides of the middle section rod 7 and the rod cover 8 perpendicular to the upper end face of the fixed seat 13 are ensured to be exposed for processing.

Further, the first auxiliary pressing mechanism 56 includes a first auxiliary fixing seat 561, a first auxiliary pressing plate 562, a first auxiliary supporting screw 563, a first auxiliary pressing nut 564, a first auxiliary spring 565, and a first auxiliary supporting rod 566, the first auxiliary fixing seat 561 is respectively fixed on the side of the fixing plate 12 and the side of the fixing seat 13 far away from the fixing plate 12, the first auxiliary pressure plate 562 is fixed on the first auxiliary fixing base 561 by a first auxiliary support screw 563, a first auxiliary compression nut 564 compressing the first auxiliary pressure plate 562 is further fixed on the first auxiliary support screw 563, the first auxiliary support screw 563 is further sleeved with a first auxiliary spring 565, one end of the first auxiliary spring 565 is connected to the first auxiliary pressing plate 562, the other end is connected to the first auxiliary fixing seat 561, a first auxiliary supporting rod 566 for supporting one end of the first auxiliary pressing plate 562 is further fixed on the first auxiliary fixing seat 561.

The second auxiliary pressing mechanism 57 includes a second auxiliary pressing plate 571, a second auxiliary supporting screw 572, a second auxiliary pressing nut 573, a second auxiliary spring 574 and a second auxiliary supporting rod 575, the first auxiliary pressing plate 571 is fixed on the side surface of the fixing base 13 close to one side of the second clamping device 3 through the first auxiliary supporting screw 572, the second auxiliary supporting screw 527 is further fixed with the second auxiliary pressing nut 573 which presses the second auxiliary pressing plate 571, the second auxiliary supporting screw 572 is further sleeved with the second auxiliary spring 574, one end of the second auxiliary spring 574 is connected to the second auxiliary pressing plate 571, the other end of the second auxiliary pressing nut 573 is connected to the side surface of the fixing base 13, and the side surface of the fixing base 13 is further fixed with the second auxiliary supporting rod 575 which is used for supporting one end of the second auxiliary pressing plate 571.

The tenth pressing mechanism 58 includes a fifth pressing plate 581, a fifth supporting screw 582, a fifth pressing nut 583, a fifth spring 584, and a fifth supporting rod 585, wherein the fifth pressing plate 581 is fixed on the upper surface of the positioning seat 51 through the fifth supporting screw 582, the fifth pressing nut 583 for pressing the fifth pressing plate 581 is further fixed on the fifth supporting screw 582, the fifth supporting screw 582 is further sleeved with the fifth spring 584, one end of the fifth spring 584 is connected with the fifth pressing plate 581, the other end of the fifth spring 584 is connected with the positioning seat 51, and the fifth supporting rod 585 for supporting one end of the fifth pressing plate 581 is further fixed on the positioning seat 51.

Further, both sides of the fixed plate 12 are fixed with hanging rings (not labeled in the figure) for hoisting.

The working principle of the embodiment is as follows: firstly, hoist middle section pole 7 and pole lid 8 to third supporting shoe and fourth adjustable locating pin 53 on, remove middle section pole 7 and pole lid 8, make the arc inner wall of middle section pole 7 and pole lid 8 all laminate with first locating pin 54 and the connection face of middle section pole 7 and pole lid 8 laminate with third locating piece 55 respectively, then rethread first supplementary hold-down mechanism 56 and the supplementary hold-down mechanism 57 of second carry out the spacing of horizontal direction to middle section pole 7 and pole lid 8 and fix, it is fixed to keep away from fixing base 13 top surface one side to pole lid 8 and middle section pole 7 through tenth hold-down mechanism 58 to compress tightly, after compressing tightly fixedly accomplishing, first supplementary hold-down mechanism 56 of rethread and the supplementary hold-down mechanism 57 of second are removed again, guarantee that middle section pole 7 and pole lid 8 are perpendicular to the three side of fixing base 13 up end expose and are used for processing.

Secondly, the second clamping device 3 and the third clamping device 4 are respectively used for hoisting the middle section rod 7 and the rod cover 8 processed on the fourth clamping device 5; specifically, the middle rod 7 is hoisted on the first supporting block 31, the side surface of the middle rod 7 and the connecting rod body 6 are limited through the second adjustable positioning pin 32 and the first positioning block 33, then the arc-shaped inner wall of the middle rod 7 is pressed through the fourth pressing mechanism 34, the top end of the middle rod 7 is pressed through the fifth pressing mechanism 35, and finally the middle rod 7 on the side far away from the side surface of the fixing seat 13 is pressed through the sixth pressing mechanism 36, so that the connecting surface of the middle rod 7 and the connecting rod body 6 is processed through the omnibearing positioning of the middle rod 7; hoist pole lid 8 to second bracer 41 simultaneously on, and through third adjustable locating pin 42 and second locating piece 43 to the pole lid 8 side and to the pole lid 8 with middle section pole 7 be connected the face spacing, then compress tightly 8 arc inner walls of pole lid through seventh hold-down mechanism 44, and eighth hold-down mechanism 45 compresses tightly 8 tops of pole lid, rethread ninth hold-down mechanism 46 compresses tightly pole lid 8 keeping away from 13 sides of fixing base one side, the realization is to the all-round location of pole lid 8 processing pole lid 8 and the connection face that middle section pole 7 is connected.

Finally, before the connecting rod body 6 is hoisted to the first clamping device 2, the sliding sleeve 283 slides downwards from the sliding rod 282, the hoisting of the connecting rod body 6 to the first supporting seat 21 and the second supporting seat 22 is not affected, then the connecting rod body 6 is hoisted to the first supporting seat 21 and the second supporting seat 22, one side of the connecting rod body 6 close to the fixing plate 12 is positioned through the first adjustable positioning pin 23, the clamping positioning of the connecting rod bodies 6 of different models can be adapted through the arrangement of the first adjustable positioning pin 23, the shoulder blade surface 61 of the connecting rod body 6 and the small end of the connecting rod body 6 are axially positioned through the first positioning mechanism 24, the upper end surfaces at two ends of the connecting rod body 6 are compressed and positioned through the first compressing mechanism 26, and the side surface of the middle section of the connecting rod body 6 far away from the fixing plate 12 is compressed and fixed through the second compressing mechanism 27, and finally, the sliding sleeve 283 slides upwards on the sliding rod 282, when the clamping height is met, the sliding sleeve 283 is locked through a screw (not marked in the figure), and the second compression screw 285 is rotated to compress and fix the side surface of one end of the connecting rod body far away from one side of the fixing plate 12, so that the connecting surface of the connecting rod body 6 and the middle rod 7 is processed by the omnibearing positioning of the connecting rod body 6.

Therefore, the connecting rod body 6, the middle rod 7 and the rod cover 8 can be clamped on one clamp structure, three sets of clamps are combined into one set of clamp, the base 11 is rotated on a machine tool workbench (not shown), the connecting rod body 6, the middle rod 7 and the rod cover 8 are rotated, the connecting rod body 6, the middle rod 7 and the rod cover 8 can be machined only by one horizontal machining, machining efficiency is greatly improved, machining cost is greatly reduced, machining precision is good due to the fact that machining is carried out on the same horizontal machining, and machining precision is better guaranteed.

Example two

Referring to fig. 5, in the present embodiment, on the basis of the first embodiment, at least one auxiliary support seat 29 for supporting the connecting rod body 6 is further fixed on the bottom plate, and a cushion block (not labeled in the figure) is further fixed on the auxiliary support seat 29; in this embodiment, the number of the auxiliary supporting seats 29 is two, and the two auxiliary supporting seats are arranged in parallel; will carry out axial displacement after connecting rod body 6 is placed on first supporting seat 21 and second supporting seat 22, because connecting rod body 6 is heavier, the removal of the inconvenient connecting rod body 6 through the setting of auxiliary supporting seat 29, can provide the axial displacement that auxiliary stay realized connecting rod body 6 for connecting rod body 6, improve clamping efficiency to improve machining efficiency.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.

Claims

1. The utility model provides a connecting rod crouches adds quadruplex position anchor clamps which characterized in that: the clamp comprises a clamp body, a first clamping device, a second clamping device, a third clamping device and a fourth clamping device, wherein the first clamping device is fixed on the clamp body and used for clamping a connecting rod body, the second clamping device is used for clamping a middle rod, the third clamping device is used for clamping a rod cover, and the fourth clamping device is used for simultaneously clamping the middle rod and the rod cover;

the fixture body comprises a bottom plate, a fixed plate and a fixed seat, the bottom plate is rotatably fixed on a machine tool workbench, the fixed plate and the fixed seat are both vertically fixed on the bottom plate, a first clamping device is fixed on one side of the fixed plate, the other side of the fixed plate is attached to the fixed seat, a second clamping device and a third clamping device are respectively fixed on two sides of the fixed seat perpendicular to the fixed plate, and a fourth clamping device is fixed on the upper surface of the fixed seat;

the first clamping device comprises a first supporting seat, a second supporting seat, a first adjustable positioning pin, a first positioning mechanism, a second positioning mechanism, a first pressing mechanism, a second pressing mechanism and a third pressing mechanism, wherein the first supporting seat and the second supporting seat are fixed on a fixing plate and are used for supporting the bottom surfaces of the two ends of the connecting rod body, a plurality of first adjustable positioning pins for positioning the side surfaces of the two ends of the connecting rod body close to one side of the fixing plate are fixed on the fixing plate, a first positioning mechanism for positioning the shoulder blade surface of the connecting rod body is symmetrically fixed at one end of the fixing plate along the axial center line of the connecting rod body, a second positioning mechanism for positioning the small end of the connecting rod body is fixed at the other end of the fixing plate along the axial center line of the connecting rod body, the positioning end of the second positioning mechanism is arranged towards the center of the small end of the connecting rod body, and the first pressing mechanisms for pressing the top surfaces, a second pressing mechanism used for pressing the middle section of the connecting rod body is fixed on the fixing plate between the first positioning mechanism and the second positioning mechanism, and a third pressing mechanism is fixed on the side surfaces of the fixing plate and the bottom plate and used for pressing the end surface of one end far away from the small end of the connecting rod body;

the second clamping device comprises a first supporting block, a second adjustable positioning pin, a first positioning block, a fourth pressing mechanism, a fifth pressing mechanism and a sixth pressing mechanism, the first supporting block is fixed on the bottom plate and used for supporting the bottom end face of the middle section rod, a plurality of second adjustable positioning pins used for limiting the side face of the middle section rod and a first positioning block used for limiting the connecting face of the middle section rod and the connecting rod body are fixed on the side face of the fixing seat, the fourth pressing mechanism used for clamping the arc-shaped inner wall of the middle section rod is fixed on the side face of the fixing seat between the second adjustable positioning pin and the first positioning block, the fifth pressing mechanism is fixed at the upper end of the side face of the fixing seat and used for pressing the top end of the middle section rod, and a plurality of sixth pressing mechanisms used for pressing the middle section rod away from one side face of the fixing seat are;

the third clamping device comprises a second supporting block, a third adjustable positioning pin, a second positioning block, a seventh pressing mechanism, an eighth pressing mechanism and a ninth pressing mechanism, the second supporting block is fixedly arranged on a bottom plate far away from the second clamping device and used for supporting the bottom end face of the rod cover, one side of the fixing seat far away from the second clamping device is fixedly provided with a plurality of third adjustable positioning pins for limiting the side faces of the rod cover and a second positioning block for limiting one side far away from the connecting face of the rod cover and the middle rod, the side face of the fixing seat between the third adjustable positioning pin and the second positioning block is fixedly provided with the seventh pressing mechanism for clamping the arc-shaped inner wall of the rod cover, the eighth pressing mechanism is fixedly arranged at the top end of the pressing rod cover used for the side face of the fixing seat, and the side faces of the fixing seat are further fixedly provided with a plurality of ninth pressing mechanisms for pressing the rod cover;

2. The connecting rod horizontal machining four-station clamp as claimed in claim 1, wherein: and at least one auxiliary supporting seat for supporting the connecting rod body is fixed on the bottom plate.

3. The connecting rod horizontal machining four-station clamp as claimed in claim 2, wherein: and a cushion block is also fixed on the auxiliary supporting seat.

4. The connecting rod horizontal machining four-station clamp as claimed in claim 1, wherein: the first positioning mechanism comprises a first positioning base and a first adjusting bolt, the first positioning base is fixed on the side face of the fixing plate, the first adjusting bolt is fixed on the first positioning base, and the positioning end of the first adjusting bolt is arranged towards the scapular surface of the connecting rod body;

5. The connecting rod horizontal machining four-station clamp as claimed in claim 1, wherein: the first pressing mechanism comprises a first pressing fixed seat and a first pressing screw, the first pressing fixed seat is respectively fixed on the fixed plates far away from the top surfaces of the two ends of the connecting rod body, and the first pressing screw for pressing the top surfaces of the two ends of the connecting rod body is fixed on the first pressing fixed seat;

6. The connecting rod horizontal machining four-station clamp as claimed in claim 1, wherein: the fourth pressing mechanism comprises a fourth pressing fixed seat, a second pressing plate, a second supporting screw and a second pressing nut, the fourth pressing fixed seat is fixed on the side face of the fixed seat, the second pressing plate is fixed on the fourth pressing fixed seat through a second supporting rod, and the second pressing nut used for pressing the second pressing plate is further fixed at one end, away from the fourth pressing fixed seat, of the second supporting screw;

7. The connecting rod horizontal machining four-station clamp as claimed in claim 1, wherein: the seventh pressing mechanism comprises a seventh pressing fixed seat, a third pressing plate, a third supporting screw and a third pressing nut, the seventh pressing fixed seat is fixed on the side face of the fixed seat, the third pressing plate is fixed on the seventh pressing fixed seat through a third supporting rod, and the third pressing nut for pressing the third pressing plate is further fixed at one end, away from the seventh pressing fixed seat, of the third supporting screw;

8. The connecting rod horizontal machining four-station clamp as claimed in claim 1, wherein: the first auxiliary pressing mechanism comprises a first auxiliary fixing seat, a first auxiliary pressing plate, a first auxiliary supporting screw rod, a first auxiliary pressing nut, a first auxiliary spring and a first auxiliary supporting rod, the first auxiliary fixing seat is respectively fixed on the side face of the fixing plate and the side face of the fixing seat, the first auxiliary pressing plate is fixed on the first auxiliary fixing seat through the first auxiliary supporting screw rod, the first auxiliary pressing nut for pressing the first auxiliary pressing plate is further fixed on the first auxiliary supporting screw rod, the first auxiliary supporting screw rod is further sleeved with the first auxiliary spring, one end of the first auxiliary spring is connected with the first auxiliary pressing plate, the other end of the first auxiliary spring is connected with the first auxiliary fixing seat, and the first auxiliary supporting rod for supporting one end of the first auxiliary pressing plate is further fixed on the first auxiliary fixing seat;

9. The connecting rod horizontal machining four-station clamp as claimed in claim 1, wherein: the second clamping device comprises a fourth supporting block for supporting the bottom end face of the middle rod far away from the first supporting block, and the fourth supporting block is vertically fixed on the side face of the fixed seat.