CN210790703U

CN210790703U - Skeleton processingequipment

Info

Publication number: CN210790703U
Application number: CN201921848382.8U
Authority: CN
Inventors: 王洪波; 赵继宇; 邓承峰; 王雪峰
Original assignee: Harbin Dongan Grain Machinery Co ltd
Current assignee: Harbin Dongan Grain Machinery Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-19
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to a skeleton processing technology field, more specifically the skeleton processingequipment that says so, place a fixed connection on the swivel mount, adjust the pole and rotate the connection and be connected the rear side of placing the platform, positioning mechanism passes through the screw thread and is connected with regulation pole transmission, and positioning mechanism's both sides all with place a sliding connection, the front portion of placing the platform is by preceding being provided with the axostylus axostyle to the back, two gag lever posts I that slide bar and symmetry set up, it connects on the axostylus axostyle to change a mechanism rotation, the tight mechanism sliding connection in top is on the slide bar, the axostylus axostyle passes through spring coupling with the tight mechanism in top, the front end of the tight mechanism in top and the rear end of turning a mechanism and laminating mutually, and the tight mechanism in top is located between two gag lever posts I, the lower part of placing a front end is. Can place the back on placing the platform at the seat skeleton, carry out self-align and fixed position to it, use manpower sparingly, convenient operation.

Description

Skeleton processingequipment

Technical Field

The utility model relates to a skeleton processing technology field, more specifically the skeleton processingequipment that says so.

Background

For example, a fixing device for processing an automobile seat framework with publication number CN209140837U comprises a platform, a motor, a worm, a connecting shaft, a worm wheel, a reinforcing plate, a worm mounting plate, supporting legs, rollers, a fixing clamp plate, a mounting plate, a U-shaped mounting piece, a baffle plate, a moving clamp plate, a vertical plate, a threaded rod, an adjusting handle, a sliding chute and a sliding block. The utility model discloses simple structure for the fixing device of car seat skeleton processing usefulness, contains solid fixed splint and movable clamp plate in the device, when processing seat skeleton, can avoid the production of its slip condition with the effectual fixed of seat skeleton, can fix the not unidimensional seat skeleton simultaneously, has made things convenient for going on of seat skeleton processing greatly, the utility model discloses contain slewing mechanism, add man-hour at seat skeleton, processing personnel's accessible slewing mechanism makes the mounting panel in the device rotate, need not to make a round trip to run away when seat processing personnel installs the part, is favorable to work efficiency's improvement, has made things convenient for going on of car seat skeleton processing greatly. The device need lean on manpower fixed seat position when fixed seat skeleton, and is comparatively hard, and when fixed seat skeleton position, need push away the seat skeleton to just can effectively fix with the baffle laminating, comparatively inconvenient.

Disclosure of Invention

The utility model aims at providing a skeleton processingequipment can place at the seat skeleton and place the bench back, carries out self-align and fixed position to it, uses manpower sparingly, convenient operation.

The purpose of the utility model is realized through the following technical scheme:

a framework processing device comprises a base and a rotary seat, wherein the base is fixedly connected with the rotary seat, a plurality of universal wheels are arranged on the lower surface of the rotary seat, the universal wheels rotate on the rotary seat, the framework processing device also comprises a placing table, an adjusting rod, a positioning mechanism, a rotary jacking mechanism and a jacking mechanism, the placing table is fixedly connected with the rotary seat, the adjusting rod is rotatably connected to the rear side of the placing table, the positioning mechanism is in transmission connection with the adjusting rod through threads, both sides of the positioning mechanism are in sliding connection with the placing table, the front part of the placing table is provided with a shaft lever, a sliding rod and two limiting rods I which are symmetrically arranged from front to back, the rotary jacking mechanism is rotatably connected to the shaft lever, the jacking mechanism is in sliding connection with the sliding rod, the shaft lever is connected with the jacking mechanism through a spring, the front end of the jacking mechanism is attached to the rear end of the rotary jacking mechanism, and the jacking mechanism is positioned, the lower part of the front end of the placing table is provided with a motor II, a gear I is fixedly connected onto an output shaft of the motor II, a gear II is arranged on the rotating top mechanism, and the gear I is in meshing transmission connection with the gear II.

As this technical scheme's further optimization, the utility model relates to a skeleton processingequipment, the base includes supporting seat and motor I, and I fixed connection of motor is provided with the connecting hole at the middle part of supporting seat, the transposable middle part, and the upper end fixed connection of I output shaft of motor is in the connecting hole, and a plurality of universal wheels go on the upper surface of supporting seat.

As a further optimization of this technical scheme, the utility model relates to a skeleton processingequipment, place the platform and include spout, location commentaries on classics hole and standing groove, the spout is provided with two, and two spout symmetries set up in the rear end of placing the platform, and both become the ninety degrees.

As a further optimization of this technical scheme, the utility model relates to a skeleton processingequipment, it comprises connection bull stick, screw rod and carousel to adjust the pole, both ends fixedly connected with screw rod and carousel respectively around the bull stick, the bull stick rotates to be connected in the location bull stick, and positioning mechanism passes through the screw thread and is connected with screw drive.

As this technical scheme's further optimization, the utility model relates to a skeleton processingequipment, positioning mechanism includes slider, push pedal, slide and gag lever post II, the push pedal is provided with two, and two push pedals articulate respectively in the both sides of slider, all rotate in every push pedal and be connected with the slide, two gag lever posts II of equal fixedly connected with on every slide, two sets of gag lever posts II respectively sliding connection in two spouts, and the slider passes through the screw thread and is connected with screw drive, and slider sliding connection is in the standing groove.

As a further optimization of this technical scheme, the utility model relates to a skeleton processingequipment, it includes the cam plate, changes the hole, connects knee, gear II and connecting rod to turn the top mechanism, changes the hole setting on the cam plate, and the axostylus axostyle rotates to be connected in changeing the hole, and the one end fixed connection of connecting the knee is on the cam plate, and its other end fixedly connected with gear II, fixedly connected with connecting rod on the gear II, the lower part of placing a front end is provided with the jack, and the upper end of connecting rod is rotated and is connected in the jack.

As a further optimization of this technical scheme, the utility model relates to a skeleton processingequipment, the tight mechanism in top includes top tight board, slide opening and block rubber, and the slide opening setting is on the tight board in top, slide bar sliding connection is in the slide opening, the rear end of cam plate and the front end laminating of the tight board in top, the equal fixedly connected with block rubber in both sides of the tight board rear end in top.

As a further optimization of this technical scheme, the utility model relates to a skeleton processingequipment, the tight mechanism in top still includes spring connecting rod, and the one end fixed connection of spring is in spring connecting rod's upper end, and its other end fixed connection is in the upper end of axostylus axostyle.

The utility model relates to a skeleton processingequipment's beneficial effect does:

can place at the seat skeleton and place the bench back, usable positioning mechanism, the tight mechanism in commentaries on classics top and top carry out self-align and position fixing to it afterwards, and positioning mechanism can transfer according to the size and the shape of the seat skeleton that carries out processing to adapt to the seat skeleton of different grade type, utilize the tight mechanism in commentaries on classics top drive top alright realize the self-align and position fixing to the seat skeleton, use manpower sparingly, convenient operation facilitates for the staff of skeleton processing.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of the overall structure of a framework processing device of the present invention;

fig. 2 is a schematic structural diagram of the base of the present invention;

FIG. 3 is a schematic structural diagram of the swivel base of the present invention;

fig. 4 is a first schematic structural diagram of the placing table of the present invention;

fig. 5 is a schematic structural view of the placing table of the present invention;

fig. 6 is a first schematic structural diagram of an adjusting lever and a positioning mechanism of the present invention;

FIG. 7 is a second schematic structural view of the adjusting lever and the positioning mechanism of the present invention;

fig. 8 is a first schematic structural diagram of a rotating jacking mechanism and a jacking mechanism of the invention;

fig. 9 is a schematic structural diagram of the rotating mechanism and the jacking mechanism of the present invention.

In the figure: a base 1; 1-1 of a supporting seat; 1-2 of a motor; a rotating base 2; a connecting hole 2-1; 2-2 of universal wheels; a placing table 3; a chute 3-1; positioning the rotary hole 3-2; 3-3 of a placing groove; 3-4 parts of a limiting rod; 3-5 of a slide bar; 3-6 parts of a shaft lever; 3-7 of jacks; 3-8 of a motor; 3-9 parts of a gear I; an adjusting rod 4; connecting a rotating rod 4-1; 4-2 parts of a screw; 4-3 of a turntable; a positioning mechanism 5; 5-1 of a slide block; 5-2 of a push plate; 5-3 of a sliding plate; 5-4 of a limiting rod; a jack-rotating mechanism 6; a cam plate 6-1; 6-2 of a rotary hole; connecting the bent rods 6-3; 6-4 parts of a gear II; 6-5 of a connecting rod; a jacking mechanism 7; a tightening plate 7-1; a slide hole 7-2; 7-4 parts of rubber blocks; and a spring 8.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The first embodiment is as follows:

the embodiment is described below with reference to fig. 1-9, a framework processing device, which includes a base 1 and a rotary base 2, the base 1 is fixedly connected with the rotary base 2, the lower surface of the rotary base 2 is provided with a plurality of universal wheels 2-2, the plurality of universal wheels 2-2 are rotated on the rotary base 2, the framework processing device further includes a placing table 3, an adjusting rod 4, a positioning mechanism 5, a rotating top mechanism 6 and a top tightening mechanism 7, the placing table 3 is fixedly connected with the rotary base 2, the adjusting rod 4 is rotatably connected with the rear side of the placing table 3, the positioning mechanism 5 is in transmission connection with the adjusting rod 4 through a screw thread, both sides of the positioning mechanism 5 are in sliding connection with the placing table 3, the front portion of the placing table 3 is provided with a shaft rod 3-6, a sliding rod 3-5 and two symmetrically arranged limiting rods i 3-4 from front to back, the rotating top mechanism 6 is rotatably connected with the shaft rod 3-, the jacking mechanism 7 is connected to the sliding rods 3-5 in a sliding mode, the shaft rods 3-6 are connected with the jacking mechanism 7 through springs 8, the front end of the jacking mechanism 7 is attached to the rear end of the rotating jacking mechanism 6, the jacking mechanism 7 is located between the two limiting rods I3-4, the lower portion of the front end of the placing table 3 is provided with a motor II 3-8, an output shaft of the motor II 3-8 is fixedly connected with gears I3-9, the rotating jacking mechanism 6 is provided with gears II 6-4, and the gears I3-9 are in meshing transmission connection with the gears II 6-4.

Can place on placing platform 3 the back at the seat skeleton, usable positioning mechanism 5 afterwards, it carries out self-align and rigidity to it to rotate top mechanism 6 and top tight mechanism 7, and positioning mechanism 5 can be transferred according to the size and the shape of the seat skeleton that carries out processing, in order to adapt to the seat skeleton of different grade type, utilize and rotate top mechanism 6 drive top tight mechanism 7 alright realize the self-align and rigidity to the seat skeleton, use manpower sparingly, and convenient for operation facilitates for the staff of skeleton processing.

The second embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 9, and the embodiment will be further described, where the base 1 includes a supporting seat 1-1 and a motor i 1-2, the motor i 1-2 is fixedly connected to the middle of the supporting seat 1-1, a connecting hole 2-1 is formed in the middle of the rotary base 2, the upper end of the output shaft of the motor i 1-2 is fixedly connected to the connecting hole 2-1, a plurality of universal wheels 2-2 rotate on the upper surface of the supporting seat 1-1, the motor i 1-2 has a band-type brake function, and the motor i 1-2 can drive the rotary base 2 to rotate, so that a worker can rotate the position of the seat frame according to the processing requirement.

The third concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 9, and the embodiment further describes the first embodiment, the placing table 3 includes two sliding chutes 3-1, two positioning rotating holes 3-2, and two placing slots 3-3, the two sliding chutes 3-1 are symmetrically disposed at the rear end of the placing table 3, and the two sliding chutes 3-1 form ninety degrees.

The fourth concrete implementation mode:

the third embodiment is further described with reference to fig. 1-9, the adjusting rod 4 is composed of a connecting rotating rod 4-1, a screw rod 4-2 and a rotary table 4-3, the front end and the rear end of the rotating rod 4-1 are respectively and fixedly connected with the screw rod 4-2 and the rotary table 4-3, the rotating rod 4-1 is rotatably connected in the positioning rotating hole 3-2, and the positioning mechanism 5 is in transmission connection with the screw rod 4-2 through threads.

The fifth concrete implementation mode:

the fourth embodiment is further described with reference to fig. 1-9, wherein the positioning mechanism 5 includes a sliding block 5-1, two pushing plates 5-2, two sliding plates 5-3 and two limiting rods ii 5-4, the two pushing plates 5-2 are respectively hinged to two sides of the sliding block 5-1, each pushing plate 5-2 is rotatably connected with a sliding plate 5-3, each sliding plate 5-3 is fixedly connected with two limiting rods ii 5-4, the two sets of limiting rods ii 5-4 are respectively slidably connected in the two sliding grooves 3-1, the sliding block 5-1 is in transmission connection with the screw rod 4-2 through a thread, and the sliding block 5-1 is slidably connected in the placing groove 3-3.

When the device is used, firstly, according to the shape and size of the automobile seat framework, the rotary disc 4-3 is manually rotated, the rotary disc 4-3 drives the screw rod 4-2 to rotate by taking the axis thereof as a central line, the slide block 5-1 is in transmission connection with the screw rod 4-2 through threads, the slide block 5-1 is in sliding connection with the placing groove 3-3, the rotating screw rod 4-2 drives the slide block 5-1 to move forwards or backwards along the screw rod 4-2, the moving slide block 5-1 drives the two push plates 5-2 to be unfolded towards two sides or folded inwards, and then the two groups of limiting rods II 5-4 are driven to respectively move outwards or inwards along the sliding groove 3-1 so as to be suitable for different seat frameworks.

The sixth specific implementation mode:

the embodiment is described below with reference to fig. 1 to 9, and the embodiment further describes the first embodiment, the rotating top mechanism 6 includes a cam plate 6-1, a rotating hole 6-2, a connecting curved rod 6-3, a gear ii 6-4 and a connecting rod 6-5, the rotating hole 6-2 is arranged on the cam plate 6-1, the shaft rod 3-6 is rotatably connected in the rotating hole 6-2, one end of the connecting curved rod 6-3 is fixedly connected to the cam plate 6-1, the other end of the connecting curved rod is fixedly connected to the gear ii 6-4, the connecting rod 6-5 is fixedly connected to the gear ii 6-4, the lower part of the front end of the placing table 3 is provided with an insertion hole 3-7, and the upper end of the connecting rod 6-5 is rotatably connected in the insertion hole 3-7.

The seventh embodiment:

the sixth embodiment is further described with reference to fig. 1 to 9, where the tightening mechanism 7 includes a tightening plate 7-1, a sliding hole 7-2 and a rubber block 7-4, the sliding hole 7-2 is disposed on the tightening plate 7-1, the sliding rod 3-5 is slidably connected in the sliding hole 7-2, the rear end of the cam plate 6-1 is attached to the front end of the tightening plate 7-1, and both sides of the rear end of the tightening plate 7-1 are fixedly connected with the rubber block 7-4.

The seat frame placed on the placing table 3 can be roughly adjusted in position even if two corners on the diagonal line are roughly aligned with the corner frames of the two sets of limiting rods II 5-4 and the rear end of the tightening plate 7-1 respectively.

Then, a motor II 3-8 is started, a gear I3-9 is in meshing transmission connection with a gear II 6-4, one end of a connecting bent rod 6-3 is fixedly connected to a cam plate 6-1, the other end of the connecting bent rod is fixedly connected with a gear II 6-4, a connecting rod 6-5 is fixedly connected to the gear II 6-4, a jack 3-7 is arranged at the lower part of the front end of the placing table 3, the upper end of the connecting rod 6-5 is rotatably connected to the jack 3-7, the rotation of the internal gear I3-9 drives the gear II 6-4 to rotate, the cam plate 6-1 is driven by the connecting bent rod 6-3 to rotate by taking the axis of a shaft lever 3-6 as a central line, the rear end of the cam plate 6-1 is attached to the front end of a puller plate 7-1, the puller plate 7-1 is extruded by the rotation of, the seat frame and the sliding rod 3-5 slide relatively, the two rubber blocks 7-4 at the front end of the tightening plate 7-1 tightly push the corners of the seat frame, the tightening plate 7-1 is further pushed to push the seat frame to approach to the two sets of limiting rods II 5-4 until the corners of the seat frame are attached to the two sets of limiting rods II 5-4, then the motor II 3-8 can be turned off to position the seat frame, and the motor II 3-8 has a band-type brake function.

The specific implementation mode is eight:

the following describes the present embodiment with reference to fig. 1 to 9, and the present embodiment further describes the first embodiment, the tightening mechanism 7 further includes a spring connecting rod 7-3, one end of a spring 8 is fixedly connected to the upper end of the spring connecting rod 7-3, and the other end of the spring 8 is fixedly connected to the upper end of the shaft rod 3-6, and the spring 8 has a certain auxiliary positioning function for the relative movement of the cam plate 6-1 and the tightening plate 7-1.

The utility model discloses a skeleton processingequipment, its theory of operation is:

when the device is used, firstly, according to the shape and size of the automobile seat framework, the rotary disc 4-3 is manually rotated, the rotary disc 4-3 drives the screw rod 4-2 to rotate by taking the axis thereof as a central line, the slide block 5-1 is in transmission connection with the screw rod 4-2 through threads, the slide block 5-1 is in sliding connection in the placement groove 3-3, the rotating screw rod 4-2 drives the slide block 5-1 to move forwards or backwards along the screw rod 4-2, the moving slide block 5-1 drives the two push plates 5-2 to be unfolded towards two sides or folded inwards, and then the two groups of limiting rods II 5-4 are driven to respectively move outwards or inwards along the sliding groove 3-1 so as to be suitable for different seat frameworks.

Then, a motor II 3-8 is started, a gear I3-9 is in meshing transmission connection with a gear II 6-4, one end of a connecting bent rod 6-3 is fixedly connected to a cam plate 6-1, the other end of the connecting bent rod is fixedly connected with a gear II 6-4, a connecting rod 6-5 is fixedly connected to the gear II 6-4, a jack 3-7 is arranged at the lower part of the front end of the placing table 3, the upper end of the connecting rod 6-5 is rotatably connected to the jack 3-7, the rotation of the internal gear I3-9 drives the gear II 6-4 to rotate, the cam plate 6-1 is driven by the connecting bent rod 6-3 to rotate by taking the axis of a shaft lever 3-6 as a central line, the rear end of the cam plate 6-1 is attached to the front end of a puller plate 7-1, the puller plate 7-1 is extruded by the rotation of, the seat frame and the sliding rod 3-5 slide relatively, the spring 8 is stretched, the two rubber blocks 7-4 at the front end of the tightening plate 7-1 tightly push the corners of the seat frame, the tightening plate 7-1 is further pushed to push the seat frame to approach to the two groups of limiting rods II 5-4 until the corners of the seat frame are attached to the two groups of limiting rods II 5-4, then the motor II 3-8 can be turned off to position the seat frame, and the motor II 3-8 has a band-type brake function.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.

Claims

1. The utility model provides a skeleton processingequipment, includes base (1) and swivel mount (2), base (1) and swivel mount (2) fixed connection, swivel mount (2) lower surface is provided with a plurality of universal wheels (2-2), and a plurality of universal wheels (2-2) are changeed and are gone on swivel mount (2), its characterized in that: the framework processing device also comprises a placing table (3), an adjusting rod (4), a positioning mechanism (5), a rotating top mechanism (6) and a pushing mechanism (7), wherein the placing table (3) is fixedly connected on the rotating base (2), the adjusting rod (4) is rotatably connected at the rear side of the placing table (3), the positioning mechanism (5) is in transmission connection with the adjusting rod (4) through threads, both sides of the positioning mechanism (5) are in sliding connection with the placing table (3), the front part of the placing table (3) is provided with a shaft lever (3-6), a sliding rod (3-5) and two limiting rods I (3-4) which are symmetrically arranged from front to back, the rotating top mechanism (6) is rotatably connected on the shaft lever (3-6), the pushing mechanism (7) is in sliding connection on the sliding rod (3-5), the shaft lever (3-6) is connected with the pushing mechanism (7) through a spring (8), the front end of the jacking mechanism (7) is attached to the rear end of the rotating jacking mechanism (6), the jacking mechanism (7) is located between the two limiting rods I (3-4), the lower portion of the front end of the placing table (3) is provided with a motor II (3-8), an output shaft of the motor II is fixedly connected with a gear I (3-9), the rotating jacking mechanism (6) is provided with a gear II (6-4), and the gear I (3-9) is in meshing transmission connection with the gear II (6-4).

2. A framework machining device according to claim 1, characterized in that: the base (1) comprises a supporting seat (1-1) and a motor I (1-2), the motor I (1-2) is fixedly connected to the middle of the supporting seat (1-1), a connecting hole (2-1) is formed in the middle of the rotary seat (2), the upper end of an output shaft of the motor I (1-2) is fixedly connected into the connecting hole (2-1), and a plurality of universal wheels (2-2) are rotated on the upper surface of the supporting seat (1-1).

3. A framework machining device according to claim 1, characterized in that: the placing table (3) comprises two sliding grooves (3-1), two positioning rotating holes (3-2) and two placing grooves (3-3), wherein the two sliding grooves (3-1) are symmetrically arranged at the rear end of the placing table (3) and form ninety degrees.

4. A framework machining device according to claim 3, characterized in that: the adjusting rod (4) is composed of a connecting rotating rod (4-1), a screw rod (4-2) and a rotary table (4-3), the front end and the rear end of the rotating rod (4-1) are fixedly connected with the screw rod (4-2) and the rotary table (4-3) respectively, the rotating rod (4-1) is rotatably connected in the positioning rotating hole (3-2), and the positioning mechanism (5) is in transmission connection with the screw rod (4-2) through threads.

5. A framework machining device as defined in claim 4, characterized in that: the positioning mechanism (5) comprises a sliding block (5-1), two push plates (5-2), two sliding plates (5-3) and two limiting rods (5-4), the two push plates (5-2) are respectively hinged to two sides of the sliding block (5-1), each push plate (5-2) is rotatably connected with the corresponding sliding plate (5-3), each sliding plate (5-3) is fixedly connected with the two limiting rods (5-4), the two groups of limiting rods (5-4) are respectively connected in the two sliding grooves (3-1) in a sliding mode, the sliding block (5-1) is in transmission connection with the screw rod (4-2) through threads, and the sliding block (5-1) is connected in the placement groove (3-3) in a sliding mode.

6. A framework machining device according to claim 1, characterized in that: the rotary jacking mechanism (6) comprises a cam plate (6-1), a rotary hole (6-2), a connecting bent rod (6-3), a gear II (6-4) and a connecting rod (6-5), wherein the rotary hole (6-2) is formed in the cam plate (6-1), the shaft rod (3-6) is rotatably connected into the rotary hole (6-2), one end of the connecting bent rod (6-3) is fixedly connected onto the cam plate (6-1), the other end of the connecting bent rod is fixedly connected with the gear II (6-4), the connecting rod (6-5) is fixedly connected onto the gear II (6-4), a jack (3-7) is formed in the lower portion of the front end of the placing table (3), and the upper end of the connecting rod (6-5) is rotatably connected into the jack (3-7).

7. A framework machining device as defined in claim 6, characterized in that: the jacking mechanism (7) comprises a jacking plate (7-1), a sliding hole (7-2) and rubber blocks (7-4), the sliding hole (7-2) is formed in the jacking plate (7-1), the sliding rod (3-5) is connected in the sliding hole (7-2) in a sliding mode, the rear end of the cam plate (6-1) is attached to the front end of the jacking plate (7-1), and the rubber blocks (7-4) are fixedly connected to the two sides of the rear end of the jacking plate (7-1).

8. A framework machining device according to claim 1, characterized in that: the jacking mechanism (7) further comprises a spring connecting rod (7-3), one end of a spring (8) is fixedly connected to the upper end of the spring connecting rod (7-3), and the other end of the spring (8) is fixedly connected to the upper end of the shaft lever (3-6).