CN210059515U

CN210059515U - Car window frame strip production line

Info

Publication number: CN210059515U
Application number: CN201822272387.2U
Authority: CN
Inventors: 袁则怀; 赵爱平; 卞士国; 廖承芹
Original assignee: Foshan Nanhai Lichuan Cold Rolling Machinery Co Ltd
Current assignee: Foshan Nanhai Lichuan Cold Rolling Machinery Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-02-14
Anticipated expiration: 2028-12-29

Abstract

The utility model discloses a car window frame strip production line, which comprises a rounding machine and a punching machine, wherein a middle roller mounting mechanism comprises a middle mounting seat, a sliding block, a connecting shaft and a first adjusting screw which are fixedly arranged on a rounding base, a sliding groove is arranged on the middle mounting seat, the sliding groove is in sliding connection with the sliding block in the vertical direction, and the connecting shaft is fixedly arranged at the top of the middle mounting seat; a first scale which is vertically arranged is also arranged on the right side surface of the middle mounting seat, and a first pointer which is transversely arranged is fixedly arranged on the right side surface of the sliding block; the middle roller set is arranged on the left side of the middle roller mounting mechanism and is rotatably connected with the sliding block; the punching machine further comprises a supporting seat and a plurality of adjusting rods, the die holder is connected with the supporting seat through the adjusting rods, the tops of the adjusting rods are connected with the die holder, the bottoms of the adjusting rods are connected with the supporting seat, and the lengths of the adjusting rods are adjustable. Different die holders do not need to be customized for different perforated circular arc profiles, so that the production cost is reduced; and can accurate regulation curved radian, simple structure, equipment cost are low.

Description

Car window frame strip production line

Technical Field

The utility model relates to a machining equipment field especially relates to a door window frame strip production line.

Background

The existing production line of the frame strips of the car windows generally comprises a pretreatment device, a rounding machine and a punching machine. The left and right correction mechanisms in the existing pretreatment device need to be adjusted frequently, and the service life is short; the existing rounding machine utilizes the hydraulic mechanism to adjust the position of the roller set, the cost of the hydraulic mechanism is high, and the adjusted distance is difficult to accurately control during adjustment; the radian of the placing path of the punching die of the existing punching machine is determined by the height of the die holder, so that the radian cannot be adjusted.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a door window frame strip production line, pretreatment device wherein is wear-resisting, longe-lived, and the bender wherein can the accurate regulation, and the piercing press wherein can be adapted to the section bar of different radians.

The utility model provides a solution of its technical problem is:

a car window frame strip production line comprises a pretreatment device, a rounding machine and a punching machine which are sequentially arranged from front to back, wherein the rounding machine comprises a rounding base, a middle roller group, a front roller group, a back roller group, a middle roller mounting mechanism, a front roller mounting mechanism and a back roller mounting mechanism; the punching machine comprises a plurality of die holders which are sequentially arranged from front to back, the die holders are transversely arranged in a plate shape, and the die holders are used for mounting dies; the pretreatment device comprises a pretreatment installation platform and a left and right correction mechanism, wherein the left and right correction mechanism comprises a left clamping piece and a right clamping piece which are arranged in a bilateral symmetry manner, the left clamping piece and the right clamping piece are arranged along the front and back direction, the left clamping piece and the right clamping piece are both connected with the pretreatment installation platform, at least one of the left clamping piece and the right clamping piece is movably connected with the pretreatment installation platform in the left and right direction, the pretreatment device also comprises a left wear-resistant block and a right wear-resistant block, the left wear-resistant block and the right wear-resistant block are respectively fixedly connected with the left clamping piece and the right clamping piece, and the left wear-resistant block and the right wear-resistant block are respectively provided with a left rabbet with a right opening and; the middle roller mounting mechanism further comprises a middle mounting seat, a sliding block, a connecting shaft and a first adjusting screw, wherein the middle mounting seat is fixedly arranged on the curved round base, a sliding groove is formed in the middle mounting seat and is connected with the sliding block in a sliding mode in the vertical direction, the connecting shaft is fixedly arranged at the top of the middle mounting seat, the upper portion of the first adjusting screw is rotatably connected with the connecting shaft, and the lower portion of the first adjusting screw is in threaded connection with the sliding block; a first scale which is vertically arranged is also arranged on the right side surface of the middle mounting seat, and a first pointer which is transversely arranged is fixedly arranged on the right side surface of the sliding block; the middle roller set is arranged on the left side of the middle roller mounting mechanism and is rotatably connected with the sliding block; the punching machine further comprises a supporting seat and a plurality of adjusting rods, the die holder is connected with the supporting seat through the adjusting rods, the tops of the adjusting rods are connected with the die holder, the bottoms of the adjusting rods are connected with the supporting seat, and the lengths of the adjusting rods are adjustable.

As a further improvement, the adjacent die holders are hinged.

As a further improvement, the upper end of the adjusting rod is hinged with the die holder, the lower end of the adjusting rod is hinged with the supporting seat, the adjusting device further comprises a fixed supporting rod, the lower end of the fixed supporting rod is fixedly connected with the supporting seat, and the upper end of the fixed supporting rod is connected with the die holder.

As a further improvement, the upper end of the fixed supporting rod is hinged with the die holder, and the length of the fixed supporting rod can be adjusted.

As a further improvement, the connecting rings are fixedly arranged on the front side and the rear side of the die holder and further comprise a plurality of connecting columns which are transversely arranged, the connecting rings of two adjacent die holders are sleeved on the same connecting column, the adjusting rod comprises an upper connector, the upper connector and the connecting rings have the same structure, and the upper connector is sleeved on the connecting column.

As a further improvement, the punching machine further comprises a second connecting plate, the second connecting plate is hinged with the die holder located at the foremost end, a sliding groove is formed in the second connecting plate, a second sliding block in sliding connection with the sliding groove is arranged in the sliding groove, and a connecting hole is formed in the second sliding block.

As a further improvement, the punching machine further comprises an adjusting plate, the adjusting plate is used for being connected with the die, the adjusting plate is arranged above the die holder and is in threaded connection with the die holder, connecting bolts are arranged on the left portion and the right portion of the die holder, the lower ends of the connecting bolts are in threaded connection with the die holder, and the upper ends of the connecting bolts are rotatably connected with the adjusting plate.

As further improvement, the rounding machine still includes the first thousandth table of vertical setting, and first thousandth table includes the table body and probe, and the table body and middle mount pad rigid coupling have set firmly the connecting block on the right flank of slider, the lower extreme and the connecting block butt of probe.

As a further improvement, preceding roller installation mechanism includes the mounting panel of vertical setting, the connecting plate, the second scale, the second pointer, second adjusting screw, the rear side of mounting panel is located to the connecting plate and mounting panel sliding connection on vertical direction, the second scale, the second pointer sets firmly respectively in the mounting panel, on the right flank of connecting plate, the upper portion of second adjusting screw is rotatably connected with the upper portion of mounting panel, second adjusting screw's lower part and connecting plate threaded connection, the mounting panel, all be equipped with the punishment in advance passageway on the connecting plate, still set firmly preceding roller installed part on the trailing flank of connecting plate, preceding roller set rotatably is connected with preceding roller installed part.

As a further improvement, the left clamping piece and the right clamping piece are respectively provided with a left mounting through groove with a rightward opening and a right mounting through groove with a leftward opening, the left wear-resistant block and the right wear-resistant block are respectively arranged in the left mounting through groove and the right mounting through groove, and the left wear-resistant block and the right wear-resistant block are respectively in interference fit with the left mounting through groove and the right mounting through groove.

The utility model has the advantages that: the pretreatment device is wear-resistant, has long service life and does not need to be adjusted frequently; the bending machine can accurately adjust the bending radian, and has simple structure and low equipment cost; the radian of the path where the punching die is placed is determined by the length of the adjusting rod, and different die holders do not need to be customized for different perforated circular arc profiles due to the fact that the length of the adjusting rod is adjustable, and production cost is reduced.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a right side view of the present invention;

FIG. 2 is a partial enlarged view of the present invention;

FIG. 3 is a second enlarged view of the second embodiment of the present invention;

FIG. 4 is a schematic view of the adjustment plate of the present invention;

FIG. 5 is an assembly view of the connecting column, the connecting ring and the upper connecting head of the present invention;

FIG. 6 is a schematic view of the assembly of the connecting plate and the slider of the present invention;

fig. 7 is a cross-sectional view of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

With reference to fig. 1 to 7, this is an embodiment of the invention, in particular:

a car window frame strip production line comprises a pretreatment device, a rounding machine and a punching machine which are sequentially arranged from front to back, wherein the rounding machine comprises a rounding base 2, a middle roller group 212, a front roller group 206, a back roller group, a middle roller mounting mechanism, a front roller mounting mechanism and a back roller mounting mechanism; the middle roller set 212 is arranged on the middle roller mounting mechanism, the front roller set 206 and the rear roller set are respectively arranged on the front roller mounting mechanism and the rear roller mounting mechanism, the middle roller set 212 is arranged between the front roller set 206 and the rear roller set, the punching machine comprises a plurality of die holders 301 which are sequentially arranged from front to back, the die holders 301 are transversely arranged in a plate shape, and the die holders 301 are used for mounting dies; the pretreatment device comprises a pretreatment mounting table 1 and a left and right correction mechanism 110, wherein the left and right correction mechanism 110 comprises a left clamping piece 111 and a right clamping piece 112 which are arranged in bilateral symmetry, the left clamping piece 111 and the right clamping piece 112 are arranged along the front and back directions, the left clamping piece 111 and the right clamping piece 112 are both connected with the pretreatment mounting table 1, at least one of the left clamping piece 111 and the right clamping piece 112 is movably connected with the pretreatment mounting table 1 in the left and right directions, the pretreatment device further comprises a left wear-resistant block 113 and a right wear-resistant block 114, the left wear-resistant block 113 and the right wear-resistant block 114 are respectively fixedly connected with the left clamping piece 111 and the right clamping piece 112, and the left wear-resistant block 113 and the right wear-resistant block 114 are respectively provided with a left rabbet 115 with a right opening and a right opening; the middle roller mounting mechanism further comprises a middle mounting seat 210, a sliding block 211, a connecting shaft 217 and a first adjusting screw 215 which are fixedly arranged on the curved round base 2, a sliding groove is formed in the middle mounting seat 210, the sliding groove is connected with the sliding block 211 in a sliding mode in the vertical direction, the connecting shaft 217 is fixedly arranged at the top of the middle mounting seat 210, the upper portion of the first adjusting screw 215 is rotatably connected with the connecting shaft 217, and the lower portion of the first adjusting screw 215 is in threaded connection with the sliding block 211; a vertically arranged first graduated scale 213 is further arranged on the right side surface of the middle mounting base 210, and a transversely arranged first pointer 214 is fixedly arranged on the right side surface of the sliding block 211; the middle roller set 212 is arranged on the left side of the middle roller mounting mechanism, and the middle roller set 212 is rotatably connected with the sliding block 211; the punching machine further comprises a supporting seat 302 and a plurality of adjusting rods 303, the die holder 301 is connected with the supporting seat 302 through the adjusting rods 303, the tops of the adjusting rods 303 are connected with the die holder 301, the bottoms of the adjusting rods 303 are connected with the supporting seat 302, and the lengths of the adjusting rods 303 are adjustable.

The adjusting rod 303 can be a length-adjustable device such as a push rod, a screw rod pair, a hydraulic cylinder and the like commonly used in the prior art. The radian of the path where the punching die is placed is determined by the length of the adjusting rod 303, and the length of the adjusting rod 303 is adjustable, so that the production line for the arc-shaped section with the holes can be suitable for sections with various radians, and further different die holders 301 do not need to be customized for different sections, and the production cost is reduced. A specific manner in which the upper portion of the first adjusting screw 215 is rotatably connected to the connecting shaft 217 may be a structure as shown in fig. 2 and 3, a horizontal annular groove is formed on the surface of the first adjusting screw 215, an annular protrusion is formed in the connecting shaft 217, the annular protrusion extends into the annular groove, and the first adjusting screw 215 may rotate along the annular groove. For convenience of installation, an annular bulge can be turned in the connecting shaft 217, then the connecting shaft 217 is cut into two halves by warps, the annular bulge is also cut into two halves at the same time, and after the first adjusting screw 215 is placed in a position matched with the annular bulge, the two halves of the connecting shaft 217 are spliced together. The first adjusting screw 215 is screwed, the first adjusting screw 215 rotates on the connecting shaft 217, and the bottom of the first adjusting screw 215 is in threaded connection with the sliding block 211, so that when the first adjusting screw 215 is screwed, the sliding block 211 can move up and down in the sliding groove of the middle mounting seat 210, therefore, the middle roller group 212 moves up and down along with the sliding block 211, and the height of the middle roller group 212 can be conveniently adjusted; further, since the first scale 213 and the first pointer 214 are provided, the distance of the up and down movement of the slider 211 can be easily read according to the scale of the first scale 213 indicated by the first pointer 214. So the utility model discloses a structure has can accurate regulation curved radian to simple structure, advantage with low costs. When the structure is used, the left part and the right part of the section bar respectively pass through the left rabbet 115 and the right rabbet 116, and the left and right correction mechanisms 110 are not easy to be worn out due to the adoption of the left wear-resistant block 113 and the right wear-resistant block 114, so that frequent adjustment and maintenance are not needed, the condition that the depths of the inlet and the outlet of the rabbet are not uniform is not easy to occur, and the section bar is more durable.

Further, adjacent die holders 301 are hinged. By using the structure, the number of the used adjusting rods 303 can be reduced, and a plurality of adjusting rods 303 are not required to be arranged below each die holder 301 to support the die holder 301 on the supporting seat 302, so that the structure can be simplified and the adjustment is convenient.

Furthermore, the upper end of the adjusting rod 303 is hinged to the die holder 301, the lower end of the adjusting rod 303 is hinged to the supporting seat 302, the die holder further comprises a fixed supporting rod 308, the lower end of the fixed supporting rod 308 is fixedly connected to the supporting seat 302, and the upper end of the fixed supporting rod 308 is connected to the die holder 301. The hinged connection is more flexible in adjustment, but because the hinge has a small stressed area and is highly stressed, the fixed support rod 308 is arranged to increase the strength.

Further, the upper end of the fixed support rod 308 is hinged to the die holder 301, and the length of the fixed support rod 308 can be adjusted. When the length of the fixed support rod 308 is changed and the length of the adjusting rod 303 is not changed, the curvature of the arc where the punching die is located is changed, and the angle between the die holder 301 connected with the fixed support rod 308 and the horizontal plane is changed, so that the upper end of the fixed support rod 308 is hinged with the die holder 301 to adapt to the change, and the adjustment is convenient. If the upper end of the fixed support rod 308 is fixedly connected with the die holder 301, the length of the fixed support rod 308 needs to be adjusted along with the adjusting rod 303.

Further, the connecting rings 311 are fixedly arranged on the front side and the rear side of the die holder 301, the die holder further comprises a plurality of connecting posts 312 which are transversely arranged, the connecting rings 311 of two adjacent die holders 301 are sleeved on the same connecting post 312, the adjusting rod 303 comprises an upper connector 310, the upper connector 310 and the connecting rings 311 have the same structure, and the upper connector 310 is sleeved on the connecting post 312.

Further, the punching machine further comprises a second connecting plate 320, the second connecting plate 320 is hinged to the die holder 301 located at the foremost end, a sliding groove is formed in the second connecting plate 320, a second sliding block 321 connected with the sliding groove in a sliding mode is arranged in the sliding groove, and a connecting hole is formed in the second sliding block 321. The second connecting plate 320 is used for being connected with a rounding machine, a hole which needs to be matched with the machine table of the rounding machine is connected with a connecting hole in the second sliding block 321, and after the second connecting plate 320 and the second sliding block 321 are fixed, the hinge angle between the second connecting plate 320 and the die holder 301 which is located at the foremost end is adjusted, so that the circular arc section bar with different curvatures can be adapted. And the adjustment function can be realized by adjusting the positions of the sliding block and the sliding groove. Because the supporting seat 302 provides main support, the arc-shaped section bar production line with the holes can be reliably connected with the rounding machine by adopting a connection mode of the sliding block and the sliding groove.

Further, the punching machine further comprises an adjusting plate 305, the adjusting plate 305 is used for being connected with a die, the adjusting plate 305 is arranged above the die holder 301 and is in threaded connection with the die holder 301, connecting bolts 306 are arranged on the left portion and the right portion of the die holder 301, the lower ends of the connecting bolts 306 are in threaded connection with the die holder 301, and the upper ends of the connecting bolts 306 are rotatably connected with the adjusting plate 305. Regulating plate 305 locates between mould and die holder 301, can adjust regulating plate 305's position through swivelling joint bolt 306, especially transfers regulating plate 305 to the horizontal slope, then the mould horizontal slope thereupon, therefore the utility model discloses a structure can be used for punching a hole to the dysmorphism section bar of distortion and processes.

Further, still including the first thousandth table 216 of vertical setting, first thousandth table 216 includes the table body and probe, and the table body and middle mount pad 210 rigid coupling have set firmly the connecting block on the right flank of slider 211, the lower extreme and the connecting block butt of probe. When the slider 211 moves, the connecting block moves along with the slider, and during the up-and-down movement of the connecting block, the probe of the first dial indicator 216 is compressed or released to cause the value of the first dial indicator 216 to change, so that the moving distance of the slider 211 can be read from the first dial indicator 216, and the scale indicated by the first pointer 214 can be added to the moving distance of the slider 211, so that the moving distance of the slider 211 can be read very accurately.

Further, preceding roller installation mechanism includes vertical setting's mounting panel 200, connecting plate 201, second scale 202, second pointer 203, second adjusting screw 204, the rear side of mounting panel 200 is located to connecting plate 201 and mounting panel 200 be sliding connection in vertical direction, second scale 202, second pointer 203 sets firmly respectively in mounting panel 200, on the right flank of connecting plate 201, the upper portion of second adjusting screw 204 is connected with the upper portion of mounting panel 200 rotatably, the lower part and the connecting plate 201 threaded connection of second adjusting screw 204, mounting panel 200, all be equipped with the punishment in advance passageway on connecting plate 201, still set firmly preceding roller installed part 209 on the trailing flank of connecting plate 201, preceding roller set 206 and preceding roller installed part 209 are connected rotatably. The adjusting principle of the structure is as follows: when the second adjusting screw 204 is screwed, the connecting plate 201 moves up and down along the mounting plate 200, and the second pointer 203 also moves up and down relative to the second scale 202, so that the height of the front roller set 206 can be conveniently adjusted, and the moving distance of the front roller set 206 can be conveniently read.

Further, a left mounting through groove with a right opening and a right mounting through groove with a left opening are respectively formed in the left clamping piece 111 and the right clamping piece 112, the left wear-resistant block 113 and the right wear-resistant block 114 are respectively arranged in the left mounting through groove and the right mounting through groove, and the left wear-resistant block 113 and the right wear-resistant block 114 are respectively in interference fit with the left mounting through groove and the right mounting through groove. The structure is a relatively simple and feasible mode that the left wear-resistant block 113 and the right wear-resistant block 114 are fixedly connected with the left clamping piece 111 and the right clamping piece 112 respectively, and because the left wear-resistant block 113 and the right wear-resistant block 114 are high in material hardness and inconvenient to drill, the left wear-resistant block and the right wear-resistant block are inconvenient to thread and rivet and the like, and the welding mode cannot be disassembled, the left mounting through groove and the right mounting through groove are adopted, and the left wear-resistant block 113 and the right wear-resistant block 114 are mounted and disassembled through knocking.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A car window frame strip production line comprises a pretreatment device, a circle bending machine and a punching machine which are sequentially arranged from front to back, wherein the circle bending machine comprises a circle bending base (2), a middle roller set (212), a front roller set (206), a back roller set, a middle roller mounting mechanism, a front roller mounting mechanism and a back roller mounting mechanism; middle roller set (212) is installed on middle roller installation mechanism, and front roller set (206), back roller set are installed respectively on front roller installation mechanism, back roller installation mechanism, and middle roller set (212) are located between front roller set (206), the back roller set, and the piercing press includes a plurality of die holders (301) that set gradually from the front to the back, and die holder (301) are the platelike of horizontal setting, and die holder (301) are used for installing the mould, its characterized in that:

the pretreatment device comprises a pretreatment mounting table (1) and a left-right correction mechanism (110), wherein the left-right correction mechanism (110) comprises a left clamping piece (111) and a right clamping piece (112) which are arranged in bilateral symmetry, the left clamping piece (111) and the right clamping piece (112) are arranged along the front-back direction, the left clamping piece (111) and the right clamping piece (112) are both connected with the pretreatment mounting table (1), at least one of the left clamping piece (111) and the right clamping piece (112) is movably connected with the pretreatment mounting table (1) in the left-right direction, and the pretreatment device further comprises a left wear-resistant block (113), the left wear-resistant block (113) and the right wear-resistant block (114) are fixedly connected with the left clamping piece (111) and the right clamping piece (112) respectively, and the left wear-resistant block (113) and the right wear-resistant block (114) are provided with a left rabbet (115) with a right opening and a right rabbet (116) with a left opening respectively;

the middle roller mounting mechanism further comprises a middle mounting seat (210) fixedly arranged on the curved round base (2), a sliding block (211), a connecting shaft (217) and a first adjusting screw (215), a sliding groove is formed in the middle mounting seat (210), the sliding groove is connected with the sliding block (211) in a sliding mode in the vertical direction, the connecting shaft (217) is fixedly arranged at the top of the middle mounting seat (210), the upper portion of the first adjusting screw (215) is rotatably connected with the connecting shaft (217), and the lower portion of the first adjusting screw (215) is in threaded connection with the sliding block (211); a first scale (213) which is vertically arranged is also arranged on the right side surface of the middle mounting seat (210), and a first pointer (214) which is transversely arranged is fixedly arranged on the right side surface of the sliding block (211); the middle roller set (212) is arranged on the left side of the middle roller mounting mechanism, and the middle roller set (212) is rotatably connected with the sliding block (211);

the punching machine further comprises a supporting seat (302) and a plurality of adjusting rods (303), the die holder (301) is connected with the supporting seat (302) through the adjusting rods (303), the top of each adjusting rod (303) is connected with the die holder (301), the bottom of each adjusting rod (303) is connected with the supporting seat (302), and the length of each adjusting rod (303) is adjustable; the adjacent die holders (301) are hinged with each other.

2. The vehicle window frame strip production line according to claim 1, characterized in that: the upper end of the adjusting rod (303) is hinged to the die holder (301), the lower end of the adjusting rod (303) is hinged to the supporting seat (302), the adjusting device further comprises a fixed supporting rod (308), the lower end of the fixed supporting rod (308) is fixedly connected with the supporting seat (302), and the upper end of the fixed supporting rod (308) is connected with the die holder (301).

3. The vehicle window frame strip production line according to claim 2, characterized in that: the upper end of the fixed supporting rod (308) is hinged with the die holder (301), and the length of the fixed supporting rod (308) can be adjusted.

4. The vehicle window frame strip production line according to claim 2, characterized in that: the die holder is characterized in that connecting rings (311) are fixedly arranged on the front side and the rear side of the die holder (301), the die holder further comprises a plurality of connecting columns (312) which are transversely arranged, the connecting rings (311) of two adjacent die holders (301) are sleeved on the same connecting column (312), an adjusting rod (303) comprises an upper connector (310), the upper connector (310) and the connecting rings (311) have the same structure, and the upper connector (310) is sleeved on the connecting columns (312).

5. The vehicle window frame strip production line according to claim 1, characterized in that: the punching machine further comprises a second connecting plate (320), the second connecting plate (320) is hinged to the die holder (301) located at the foremost end, a sliding groove is formed in the second connecting plate (320), a second sliding block (321) in sliding connection with the sliding groove is arranged in the sliding groove, and a connecting hole is formed in the second sliding block (321).

6. The vehicle window frame strip production line according to claim 1, characterized in that: the punching machine further comprises an adjusting plate (305), the adjusting plate (305) is used for being connected with a die, the adjusting plate (305) is arranged above the die holder (301) and is in threaded connection with the die holder (301), the left part and the right part of the die holder (301) are both provided with connecting bolts (306), the lower ends of the connecting bolts (306) are in threaded connection with the die holder (301), and the upper ends of the connecting bolts (306) are rotatably connected with the adjusting plate (305).

7. The vehicle window frame strip production line according to claim 1, characterized in that: the rounding machine further comprises a first dial indicator (216) which is vertically arranged, the first dial indicator (216) comprises a meter body and a probe, the meter body is fixedly connected with the middle mounting seat (210), a connecting block is fixedly arranged on the right side face of the sliding block (211), and the lower end of the probe is abutted to the connecting block.

8. The vehicle window frame strip production line according to claim 1, characterized in that: the front roller mounting mechanism comprises a mounting plate (200), a connecting plate (201), a second graduated scale (202), a second pointer (203) and a second adjusting screw (204) which are vertically arranged, the rear side of mounting panel (200) is located in connecting plate (201) and mounting panel (200) sliding connection on vertical direction, second scale (202), second pointer (203) set firmly respectively in mounting panel (200), on the right flank of connecting plate (201), the upper portion of second adjusting screw (204) is rotatably connected with the upper portion of mounting panel (200), the lower part and connecting plate (201) threaded connection of second adjusting screw (204), mounting panel (200), all be equipped with the punishment in advance passageway on connecting plate (201), still set firmly preceding roller installed part (209) on the trailing flank of connecting plate (201), preceding roller set (206) and preceding roller installed part (209) are rotatably connected.

9. The vehicle window frame strip production line according to claim 1, characterized in that: the left clamping piece (111) and the right clamping piece (112) are respectively provided with a left mounting through groove with a right opening and a right mounting through groove with a left opening, the left wear-resistant block (113) and the right wear-resistant block (114) are respectively arranged in the left mounting through groove and the right mounting through groove, and the left wear-resistant block (113) and the right wear-resistant block (114) are respectively in interference fit with the left mounting through groove and the right mounting through groove.