CN219254842U

CN219254842U - Manual quick clamping device for machining tractor box

Info

Publication number: CN219254842U
Application number: CN202223542411.2U
Authority: CN
Inventors: 任建成; 闫旭; 宋海刚; 崔争杰
Original assignee: Shanxi Huaxiang Group Co ltd
Current assignee: Shanxi Huaxiang Group Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-27
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a manual quick clamping device for machining a tractor box body, which comprises a base and universal connecting pins, wherein the base is provided with a clamping groove; the base is hollow, threaded holes which are distributed in an array and penetrate through the top of the base are formed in the top of the base, and an internal connecting rod is arranged in the base; the center positions of the two opposite side surfaces of the base and the center position of the inner connecting rod are penetrated by one end of the inner core shaft rod, and the other end of the inner core shaft rod is provided with a fixed groove; two corners on the same side of the top surface of the base are respectively penetrated by one end of a universal connecting pin, and are connected with one end of an internal connecting rod, the other end of the universal connecting pin is connected with one end of an everting pull rod, and the other two corners on the top surface of the base are penetrated by one end of a fixed pull rod; the other ends of the adjacent everting pull rods and the fixed pull rods are respectively connected with one end of the pressing plate arm. The utility model saves the area of the machine tool workbench, reduces the box body replacement time, improves the production efficiency and reduces the labor load of personnel.

Description

Manual quick clamping device for machining tractor box

Technical Field

The utility model belongs to the field of mechanical industry, and particularly relates to a manual quick clamping device for machining a tractor box body.

Background

The tractor gearbox body type product, when the clamping, all need screw up the nut at four apex angles of box with the spanner and just can compress tightly, still need four clamp plates and four young horses simultaneously, when the product hoist and mount get into in the frock, still need dismantle two compression screw rods, remove four young yards of the support clamp plate that are equal high with product pressure point, after the product is put into the frock, put the young yard in suitable supporting position by personnel manual, at last compress tightly four nuts by personnel manual. At present, the existing clamping mode has certain requirements on the area of a machine tool workbench, and meanwhile, the clamping time is long, so that the production efficiency is reduced, certain labor load is brought to workers, the workers can lose after long-time work, and the production cost of enterprises is increased.

Disclosure of Invention

In order to solve the problems, the utility model provides a manual quick clamping device for machining a tractor box body.

The technical means adopted by the utility model are as follows.

The utility model provides a manual quick clamping device for machining a tractor box body, which comprises a base and a plurality of universal connecting pins, wherein the base is provided with a plurality of connecting pins; the base is hollow, the top of the base is provided with a plurality of threaded holes which are distributed in an array and penetrate through the top of the base, and an internal connecting rod is arranged in the base; the center positions of the two opposite side surfaces of the base and the center position of the inner connecting rod are penetrated by one end of the inner core shaft rod, the other end of the inner core shaft rod is provided with a fixing groove, and the fixing groove is positioned outside the base; two corners on the same side of the top surface of the base are respectively penetrated by one end of a universal connecting pin, and are connected with one end of the internal connecting rod, the other end of the universal connecting pin is connected with one end of an everting pull rod, and the other two corners of the top surface of the base are respectively penetrated by one end of a fixed pull rod; the other ends of the adjacent everting pull rod and the fixed pull rod are respectively connected with one end of the pressing plate arm.

Preferably, the two ends of the first rod body of the everting pull rod are respectively provided with a first threaded rod and a first fixed rod; the first threaded rod is provided with threads, and the cross section area of the first threaded rod is smaller than that of the first rod body; the first fixing rod comprises two opposite rectangular surfaces and a first fixing hole penetrating the two opposite rectangular surfaces; the two ends of the second rod body of the fixed pull rod are respectively provided with a second threaded rod and a second fixed rod; the second threaded rod is provided with threads, and the cross section area of the second threaded rod is smaller than that of the second rod body; the second fixing rod comprises two opposite rectangular surfaces and a second fixing hole penetrating the two opposite rectangular surfaces; the first fixing rod is connected with the universal connecting pin; the second threaded rod penetrates through the top surface of the base and is fixed on the base; the first threaded rod and the second fixed rod are respectively connected with one end of the pressing plate arm.

Preferably, the universal connecting pin comprises a first connecting rod and a second connecting rod connected with the bottom surface of the first connecting rod; the area of the transverse section of the first connecting rod is larger than that of the transverse section of the second connecting rod; the first connecting rod is provided with a U-shaped everting rod groove and everting rod fixing holes penetrating through groove walls on two opposite sides of the everting rod groove; one end of the second connecting rod, which is far away from the first connecting rod, comprises two opposite rectangular surfaces and a first connecting rod fixing hole penetrating through the two opposite rectangular surfaces; the first fixing rod is embedded into the everting rod groove, and the fixing element penetrates through the first fixing hole and the everting rod fixing hole to fix the first fixing rod in the everting rod groove; the second connecting rod penetrates through the top surface of the base and is connected with one end of the inner connecting rod.

Preferably, two ends of the internal connecting rod are respectively provided with a U-shaped connecting pin fixing groove and second connecting rod fixing holes penetrating through two opposite groove walls of the connecting pin fixing groove; the second connecting rod is embedded into the connecting pin fixing groove, and the second connecting rod is fixed in the connecting pin fixing groove by penetrating through the first connecting rod fixing hole and the second connecting rod fixing hole through the fixing element.

Preferably, two ends of the pressing plate arm are respectively provided with a first connecting groove, a second connecting groove and a pressing claw groove penetrating through the first pressing plate surface of the pressing plate arm to the opposite surface of the first pressing plate surface; one end of the second pressing plate surface adjacent to the first pressing plate surface is provided with a third fixing hole penetrating through two opposite groove walls of the second connecting groove, and a first pressing claw hole penetrating through two opposite groove walls of the pressing claw groove is arranged at the center of the second pressing plate surface.

Preferably, the width of the first connecting groove is smaller than the width of the transverse section of the first rod body; the part of the first threaded rod penetrating through the first connecting groove is in threaded connection with the compression nut, and the everting pull rod is fixed with the compression plate arm by extruding the compression plate arm.

Preferably, the width of the second connecting groove is smaller than the width of the transverse section of the second rod body; the second fixing rod is embedded into the second connecting groove, and the fixing element penetrates through the third fixing hole and the second fixing hole to fix the second fixing rod in the second connecting groove.

Preferably, a pressing claw is arranged in the pressing claw groove, a second pressing claw hole is arranged at the center of one side surface of the pressing claw, a claw groove is arranged on one surface adjacent to the second pressing claw hole, and claw fingers are respectively arranged on two sides of the claw groove; the fixing element penetrates through the first pressing claw hole and the second pressing claw hole to movably connect the pressing claw in the pressing claw groove.

Preferably, four baffle fixing holes distributed in a matrix are arranged at the center of the first side surface of the base; the bottom of this first side and opposite face is provided with the fixed beam respectively, and the both ends of this fixed beam are provided with the base fixed slot respectively.

Preferably, the device also comprises a rectangular baffle plate with the thickness corresponding to the fixed groove, and the baffle plate can be split into a first baffle plate and a second baffle plate at the position of the central axis; the four vertex angles of the baffle are respectively provided with a fixed hole corresponding to the baffle fixed hole, and the center position is provided with a clamping slot hole; one end of the inner mandrel rod positioned outside the base passes through the clamping groove hole, the baffle plate is embedded into the fixing groove, and the baffle plate is fixed on the first side surface by a fixing element passing through the fixing hole and the baffle plate fixing hole.

The utility model has the technical effects that: the manual rapid clamping device for the tractor box body processing solves the problem of overlong auxiliary time during the tractor box body processing, saves the physical strength of operators, improves the production efficiency, and also avoids the quality problems of elastic deformation and the like after the processing caused by uneven stress of the box body.

Drawings

Fig. 1 is a first structural schematic diagram of the present utility model.

Fig. 2 is a schematic structural view of the universal joint pin of the present utility model.

Fig. 3 is a schematic structural view of the inner link of the present utility model.

Fig. 4 is a schematic structural view of the inner core shaft of the present utility model.

Fig. 5 is a schematic structural view of a baffle plate according to the present utility model.

Fig. 6 is a schematic structural view of the valgus lever of the present utility model.

Fig. 7 is a schematic structural view of the fixing pull rod of the present utility model.

Fig. 8a is a schematic structural view of a platen arm according to the present utility model.

Fig. 8b is a schematic structural view of the press claw of the present utility model.

Fig. 9 is a schematic structural view of a base of the present utility model.

Fig. 10 is a second structural schematic diagram of the present utility model.

Description of the figure:

base 1, screw hole 11, first side 12, baffle fixing hole 120, fixing beam 13, base fixing groove 130,

Universal joint pin 2, first joint rod 21, bottom surface 210, everting rod groove 211, everting rod fixing hole 212, second joint rod 22, first joint rod fixing hole 221,

An inner link 3, a connecting pin fixing groove 31, a second link fixing hole 311,

An inner core shaft 4, a fixing groove 41,

Baffle 5, first baffle 51, second baffle 51', fixing hole 52, slot 53,

The eversion pull rod 6, the first rod body 61, the first threaded rod 62, the first fixed rod 63, the first fixed hole 64, the fixed pull rod 7, the second rod body 71, the second threaded rod 72, the second fixed rod 73, the second fixed hole 74, the pressing plate arm 8, the first connecting groove 81, the second connecting groove 81', the first pressing plate surface 82, the second pressing plate surface 82', the pressing claw groove 83, the third fixed hole 84, the first pressing claw hole 85, the pressing claw 86, the second pressing claw hole 861, the claw groove 862, the claw finger 863, the second pressing claw hole 86,

And compressing the nut 9.

Detailed Description

Referring to fig. 1 and 10, a first and a second structural schematic diagrams of a manual quick clamping device for machining a tractor body according to the present utility model include a base 1 and a plurality of universal connection pins 2. Referring to fig. 9, the base 1 is hollow, a plurality of threaded holes 11 distributed in an array and penetrating the top of the base 1 are provided at the top of the base 1, four baffle fixing holes 120 distributed in a matrix are provided at the center of the first side 12 of the base 1, fixing beams 13 are provided at the bottoms of the first side 12 and opposite surfaces thereof, and base fixing grooves 130 are provided at both ends of the fixing beams 13.

An inner link 3 is disposed in the base 1, and two ends of the inner link 3 are respectively provided with a U-shaped connecting pin fixing groove 31 and second link fixing holes 311 penetrating through two opposite side groove walls of the connecting pin fixing groove 31. The center of the opposite sides of the base 1 and the center of the inner link 3 are penetrated by one end of the inner core shaft 4, the other end of the inner core shaft 4 is provided with a fixing slot 41, and the fixing slot 41 is located outside the base 1.

As shown in fig. 1, the present utility model further includes a rectangular baffle plate 5 having a thickness corresponding to the fixing groove 41, and the baffle plate 5 is detachable into a first baffle plate 51 and a second baffle plate 51' at a central axis position. The four corners of the baffle 5 are respectively provided with a fixing hole 52 corresponding to the baffle fixing hole 120, and a clamping slot 53 is provided at the center position. The end of the inner spindle 4 located outside the base 1 passes through the slot 53, the baffle 5 is embedded in the fixing slot 41, and the baffle 5 is fixed on the first side 12 by fixing elements passing through the

fixing holes

52 and 120.

The universal connection pin 2 comprises a first connection rod 21 and a second connection rod 22 connected with the bottom surface 210 of the first connection rod 21. The transverse cross-sectional area of the first connecting rod 21 is larger than the transverse cross-sectional area of the second connecting rod 22. The first connecting rod 21 is provided with a U-shaped everting rod groove 211 and everting rod fixing holes 212 penetrating through opposite side groove walls of the everting rod groove 211. The end of the second connecting rod 22 far from the first connecting rod 21 comprises two opposite rectangular surfaces and a first connecting rod fixing hole 221 penetrating the two opposite rectangular surfaces.

Two corners on the same side of the top surface of the base 1 are respectively penetrated by the second connecting rod 22 of the universal connecting pin 2, are embedded into the connecting pin fixing groove 31, and pass through the first connecting rod fixing hole 221 and the second connecting rod fixing hole 311 by fixing elements to fix the second connecting rod 22 in the connecting pin fixing groove 31.

The other end of the universal connecting pin 2 is connected with one end of an everting pull rod 6.

The first rod body 61 of the everting rod 6 is provided with a first threaded rod 62 and a first fixing rod 63 at both ends thereof. The first threaded rod 62 is provided with threads and has a cross-sectional area smaller than that of the first rod body 61. The first fixing rod 63 includes two opposite rectangular surfaces and a first fixing hole 64 penetrating the two opposite rectangular surfaces.

The first fixing rod 63 is inserted into the everting rod groove 211, and the fixing element passes through the first fixing hole 64 and the everting rod fixing hole 212 to fix the first fixing rod 63 in the everting rod groove 211.

The other two corners of the top surface of the base 1 are penetrated by one end of a fixed pull rod 7.

The second rod body 71 of the fixed pull rod 7 is provided with a second threaded rod 72 and a second fixed rod 73 at both ends thereof. The second threaded rod 72 is provided with threads and has a cross-sectional area smaller than that of the second rod body 71. The second fixing rod 73 includes two opposite rectangular surfaces and a second fixing hole 74 penetrating the two opposite rectangular surfaces.

The second threaded rod 72 penetrates the top surface of the base 1 and is fixed to the base 1.

The first threaded rod 62 and the second fixed rod 73 are respectively connected to one end of the pressing plate arm 8.

The two ends of the pressing arm 8 are respectively provided with a first connecting groove 81, a second connecting groove 81', and a pressing claw groove 83 penetrating from the first pressing surface 82 of the pressing arm 8 to the opposite surface of the first pressing surface 82. A third fixing hole 84 penetrating through two opposite walls of the second connecting groove 81' is provided at one end of the second platen surface 82' adjacent to the first platen surface 82, and a first platen hole 85 penetrating through two opposite walls of the platen groove 83 is provided at a central position of the second platen surface 82 '.

The width of the first connecting groove 81 is smaller than the width of the transverse section of the first rod body 61, the portion of the first threaded rod 62 passing through the first connecting groove 81 is in threaded connection with the compression nut 9, and the everting pull rod 6 is fixed with the compression plate arm 8 by pressing the compression plate arm 8.

The width of the second connecting slot 81' is smaller than the width of the transverse cross section of the second rod 71, the top surface of the base 1 is provided with a second fixing rod 73 on the same side as the first threaded rod 62, the second fixing rod 73 is embedded into the second connecting slot 81', and the second fixing rod 73 is fixed in the second connecting slot 81' by passing through the third fixing hole 84 and the second fixing hole 74 through the fixing element.

A pressing claw 86 is disposed in the pressing claw groove 83, a second pressing claw hole 861 is disposed at a center position of one side surface of the pressing claw 86, a claw groove 862 is disposed on a surface adjacent to the second pressing claw hole 861, and claw fingers 863 are disposed on both sides of the claw groove 862. The fixing element passes through the first pressing jaw hole 85 and the second pressing jaw hole 861 to movably connect the pressing jaw 86 in the pressing jaw groove 83.

When the box body enters the device, the compression nut 9 is removed, and the pressing plate arm 8 is rotated by taking the fixing element passing through the third fixing hole 84 and the second fixing hole 74 as an axis, so that the box body enters the device. The box body is provided with a positioning pin hole, when the box body enters the device, the positioning pin is inserted into the appointed threaded hole 11, the other end of the positioning pin is inserted into the positioning pin hole on the box body, and the positioning block can be placed between the box body and the base 1 or inserted into the positioning block due to inconsistent heights of all parts of the box body, so that the box body is stabilized while the box body is positioned.

The pressing plate arm 8 is rotated again, and the first threaded rods 62 on two sides penetrate through the first connecting groove 81 to be in threaded connection with the compression nuts 9, wherein the compression nuts 9 on one side are not required to be screwed, and only the claw fingers 863 on the side are required to be attached to the box body, so that the compression nuts 9 on the other side are required to be screwed.

When the compression nut 9 on one side is screwed down, the outward turning pull rod 6 on the side is stressed upward, one end of the corresponding inner connecting rod 3 is driven to move upward through the connected universal connecting pin 2, at the moment, the inner connecting rod 3 takes the inner core shaft rod 4 as an axis, the other end of the inner connecting rod 3 moves downward, the outward turning pull rod 6 corresponding to one side of the downward movement of the inner connecting rod 3 is subjected to downward acting force through the universal connecting pin 2, the compression nut 9 on the side is compressed on the compression plate arm 8, and therefore the whole box body can be clamped and fixed by only screwing down the compression nut 9 on one side.

In order to reduce unnecessary frictional damage, the case is secured by the finger 863, and the finger slot 862 plays a role of clearance.

Since the size and the specification of each type of the case are different and the heights of the respective portions of the case are also inconsistent, the pressing claws 86 of different sizes can be selected when the case is fixed. When the box body is fixed, the pressing claw 86 rotates by taking the center position of the second pressing plate surface 82' as the shaft according to the height of the claw finger 863 clung to the box body part, so that the box body can be better fixed.

Claims

1. The manual quick clamping device for machining the tractor box body is characterized by comprising a base (1) and a plurality of universal connecting pins (2); the base (1) is hollow, a plurality of threaded holes (11) which are distributed in an array and penetrate through the top of the base (1) are formed in the top of the base (1), and an internal connecting rod (3) is arranged in the base (1);

the center positions of the two opposite side surfaces of the base (1) and the center position of the inner connecting rod (3) are penetrated by one end of the inner core shaft rod (4), the other end of the inner core shaft rod (4) is provided with a fixed groove (41), and the fixed groove (41) is positioned outside the base (1);

two corners on the same side of the top surface of the base (1) are respectively penetrated by one end of a universal connecting pin (2) and connected with one end of the internal connecting rod (3), the other end of the universal connecting pin (2) is connected with one end of an eversion pull rod (6), and the other two corners on the top surface of the base (1) are respectively penetrated by one end of a fixed pull rod (7); the other ends of the adjacent everting pull rod (6) and the fixed pull rod (7) are respectively connected with one end of a pressing plate arm (8).

2. The manual quick clamping device for tractor box processing according to claim 1, wherein the two ends of a first rod body (61) of the everting pull rod (6) are respectively provided with a first threaded rod (62) and a first fixed rod (63); the first threaded rod (62) is provided with threads and has a cross-sectional area smaller than that of the first rod body (61); the first fixing rod (63) comprises two opposite rectangular surfaces and a first fixing hole (64) penetrating the two opposite rectangular surfaces;

two ends of a second rod body (71) of the fixed pull rod (7) are respectively provided with a second threaded rod (72) and a second fixed rod (73); the second threaded rod (72) is provided with threads and has a cross-sectional area smaller than that of the second rod body (71); the second fixing rod (73) comprises two opposite rectangular surfaces and a second fixing hole (74) penetrating the two opposite rectangular surfaces;

the first fixing rod (63) is connected with the universal connecting pin (2); the second threaded rod (72) penetrates through the top surface of the base (1) and is fixed on the base (1);

the first threaded rod (62) and the second fixed rod (73) are respectively connected with one end of the pressing plate arm (8).

3. A manual quick clamping device for tractor body processing according to claim 2, characterized in that the universal connecting pin (2) comprises a first connecting rod (21) and a second connecting rod (22) connected to the bottom surface (210) of the first connecting rod (21); the area of the transverse section of the first connecting rod (21) is larger than that of the transverse section of the second connecting rod (22);

the first connecting rod (21) is provided with a U-shaped everting rod groove (211) and everting rod fixing holes (212) penetrating through two opposite groove walls of the everting rod groove (211);

one end of the second connecting rod (22) far away from the first connecting rod (21) comprises two opposite rectangular surfaces and a first connecting rod fixing hole (221) penetrating through the two opposite rectangular surfaces;

the first fixing rod (63) is embedded into the everting rod groove (211), and the first fixing rod (63) is fixed in the everting rod groove (211) by penetrating a fixing element through the first fixing hole (64) and the everting rod fixing hole (212); the second connecting rod (22) penetrates through the top surface of the base (1) and is connected with one end of the inner connecting rod (3).

4. A manual quick clamping device for tractor body processing according to claim 3, wherein the two ends of the inner connecting rod (3) are respectively provided with a U-shaped connecting pin fixing groove (31) and a second connecting rod fixing hole (311) penetrating through two opposite side groove walls of the connecting pin fixing groove (31);

the second connecting rod (22) is embedded into the connecting pin fixing groove (31), and the second connecting rod (22) is fixed in the connecting pin fixing groove (31) by penetrating through the first connecting rod fixing hole (221) and the second connecting rod fixing hole (311) through a fixing element.

5. A manual quick clamping device for tractor body processing according to claim 2, characterized in that the two ends of the pressing plate arm (8) are respectively provided with a first connecting groove (81), a second connecting groove (81'), and a pressing claw groove (83) penetrating through the first pressing plate surface (82) of the pressing plate arm (8) to the opposite surface of the first pressing plate surface (82); one end of a second platen surface (82 ') adjacent to the first platen surface (82) is provided with a third fixing hole (84) penetrating through two opposite groove walls of the second connecting groove (81 '), and a first platen hole (85) penetrating through two opposite groove walls of the platen groove (83) is arranged at the center of the second platen surface (82 ').

6. A tractor tank machining manual quick clamping device according to claim 5, characterized in that the width of the first connecting groove (81) is smaller than the width of the transverse section of the first rod body (61);

the first threaded rod (62) passes through the first connecting groove (81) and is in threaded connection with the compression nut (9), and the everting pull rod (6) is fixed with the compression plate arm (8) by pressing the compression plate arm (8).

7. A tractor tank machining manual quick clamping device, as claimed in claim 6, characterized in that the width of the second connecting groove (81') is smaller than the width of the transverse section of the second rod (71); the top surface of the base (1) is provided with a second fixing rod (73) on the same side as the first threaded rod (62), the second fixing rod (73) is embedded into the second connecting groove (81 '), and the second fixing rod (73) is fixed in the second connecting groove (81') by a fixing element penetrating through the third fixing hole (84) and the second fixing hole (74).

8. The manual quick clamping device for tractor box processing as defined by claim 5, wherein a pressing claw (86) is provided in the pressing claw groove (83), a second pressing claw hole (861) is provided at the center of one side of the pressing claw (86), a claw groove (862) is provided on the side adjacent to the second pressing claw hole (861), and claw fingers (863) are provided on both sides of the claw groove (862); the fixing element passes through the first pressing claw hole (85) and the second pressing claw hole (861) to movably connect the pressing claw (86) in the pressing claw groove (83).

9. A manual quick clamping device for tractor body machining according to claim 1, characterized in that the centre of the first side (12) of the base (1) is provided with four baffle fixing holes (120) distributed in a matrix; the first side face (12) and the bottoms of the opposite faces of the first side face are respectively provided with a fixed beam (13), and two ends of the fixed beam (13) are respectively provided with a base fixing groove (130).

10. The manual quick clamping device for tractor body processing according to claim 9, further comprising a rectangular baffle plate (5) with a thickness corresponding to the fixed groove (41), wherein the baffle plate (5) is detachable into a first baffle plate (51) and a second baffle plate (51') at the central axis position; the four vertex angles of the baffle (5) are respectively provided with a fixed hole (52) corresponding to the baffle fixed hole (120), and the center position is provided with a clamping slot hole (53);

one end of the inner core shaft rod (4) positioned outside the base (1) penetrates through the clamping groove hole (53), the baffle plate (5) is embedded into the fixing groove (41), and the baffle plate (5) is fixed on the first side face (12) through the fixing hole (52) and the baffle plate fixing hole (120) by fixing elements.