CN211222599U

CN211222599U - Workpiece positioning mechanism of coding machine

Info

Publication number: CN211222599U
Application number: CN201922090769.8U
Authority: CN
Inventors: 赵一玲; 孙海朋; 李奇伟; 尹鹏飞
Original assignee: Kokinetics Shenyang Co ltd
Current assignee: Kokinetics Shenyang Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-08-11
Anticipated expiration: 2029-11-28

Abstract

The utility model provides a work piece positioning mechanism of coding machine belongs to work piece processing equipment field, concretely relates to work piece positioning mechanism of coding machine. The utility model provides a workpiece positioning mechanism which can make the workpiece positioned stably, and can make the code printer clearly code by self through the sensor to the workpiece induction. The utility model comprises an adjustable mounting seat, a supporting frame body and a pressing device, wherein the adjustable mounting seat comprises a base seat plate, a square steel pipe is fixedly arranged above the base seat plate, and the square steel pipe is connected with the adjustable square steel through a bolt; adjust square steel upper portion and be provided with the subassembly fixed plate, a support frame passes through the subassembly fixed plate and links to each other with adjusting square steel, and subassembly fixed plate top is provided with the coding machine, and the coding machine setting links to each other with the coding machine mount pad that sets up on the subassembly fixed plate in the support frame body, and the firm side in regulation side is provided with installation closing device's closing device fixed plate, and closing device passes through flange to be fixed on the closing device fixed plate.

Description

Workpiece positioning mechanism of coding machine

Technical Field

The invention relates to the field of workpiece processing equipment, in particular to a workpiece positioning mechanism of a coding machine.

Background

With the progress of science and technology, the coding technology is widely applied to various industries, and provides high-quality service for modern processing production with high quality, high efficiency and low cost. In modern industrial production, various information is recorded by adopting a coding technology, and support is provided for a tracing mechanism of a product. The workpiece framework of the existing automobile back row seat needs to be marked with a code at the central main board of the workpiece framework, the existing code marking technology is to fix the workpiece framework on a supporting mechanism, the code marking is realized by a code marking machine, but the workpiece framework is not firmly positioned, the workpiece is usually shaken when the code marking is carried out, the code marking is not clear, the code marking effect is not ideal, and the condition that code marking information is difficult to identify even appears.

Disclosure of Invention

The invention aims at the problems and provides a coding positioning system for fixing a workpiece, so that the workpiece is stably positioned, and a coding machine can clearly code by itself by sensing the workpiece through a sensor. The technical scheme adopted by the invention is as follows: this beat workpiece positioning mechanism of ink recorder includes adjustable mount pad, support body and closing device, its characterized in that: the adjustable mounting seat comprises a base seat plate, a square steel pipe is fixedly arranged above the base seat plate, a plurality of connecting through holes are formed in the square steel pipe, an adjusting square steel is embedded into the square steel pipe, a plurality of adjusting holes for adjusting the height position are vertically formed in the positions of the adjusting square steel corresponding to the connecting through holes of the square steel pipe, and the adjusting square steel is connected with the square steel pipe through bolts arranged in the holes; adjust square steel upper portion and set up the subassembly fixed plate that is used for the unit mount, a support body that supports work piece skeleton and use passes through the subassembly fixed plate and links to each other with adjusting the square steel, subassembly fixed plate top is provided with the coding machine, the coding machine setting links to each other with the coding machine mount pad that sets up on the subassembly fixed plate in the support frame body, the firm side in regulation side is provided with installation closing device's closing device fixed plate, closing device passes through flange to be fixed on the closing device fixed plate.

According to a preferable scheme of the invention, the support frame body is composed of special-shaped aluminum profiles, the support frame body comprises a transverse long profile and two transverse short profiles which are parallel to form a long profile body with a gap in the middle, two parallel vertical profiles are vertically arranged at two ends of the gap of the long profile body, the vertical profiles and the gap form a lower type seat body capable of accommodating the coding machine, two parallel vertical long profiles are vertically arranged at the upper ends of two sides of the long profile body, and profile columns are respectively arranged at two ends of the two vertical long profiles.

Furthermore, the side face of the upper end of the section bar column is provided with a positioning supporting block for supporting the workpiece main body, and the positioning supporting block is connected with the section bar column through a screw.

According to another preferable scheme of the invention, the middle position of the upper part of the component fixing plate is connected with a bottom plate of the coding machine mounting seat through a bolt, one side of the bottom plate is vertically provided with a side plate which forms an L-shaped seat body with the bottom plate, and an angle-shaped supporting rib plate is fixed in the middle of the L-shaped seat body. The side plate of the code printer mounting seat corresponds to the lower seat body on the support frame body, so that the code printer arranged in the lower seat body of the support frame body is fixed on the side plate through bolts.

According to a third preferred scheme, a positioning support used for positioning a workpiece framework is arranged on the lower portion of the mounting seat of the component fixing plate marking machine, the positioning support comprises a base, the base is connected with the component fixing plate through a bolt, a positioning seat is arranged above the base, and the middle portion of the positioning seat is connected with the base through a supporting plate vertically arranged on one side of the base. An angle-shaped rib plate is fixedly arranged between the positioning seat and the base and connected with the supporting plate.

Furthermore, the positioning seat is narrow at the top and wide at the bottom, a groove matched with the positioning block is arranged at the center above the narrow end, the positioning block is L-shaped, a strip-shaped mounting hole capable of being adjusted up and down is arranged at one end of the positioning block and matched with a pin hole arranged in the narrow end groove, so that the positioning block is embedded into the narrow end groove and connected with the positioning seat through a connecting pin, grooves matched with the supporting block are respectively arranged at two sides above the wide end of the positioning seat, a strip-shaped mounting hole capable of being adjusted up and down is arranged at one end of the supporting block and matched with a pin hole arranged in the wide end groove, so that the supporting block is embedded into the wide end groove and connected with the positioning seat through a connecting pin, a guide block

Furthermore, a gasket set for micro adjustment is arranged between the L-shaped positioning block and the narrow end groove, and a gasket set for micro adjustment is arranged between the supporting block and the wide end groove.

Furthermore, a hand hole for adjusting the coding machine is arranged on the supporting plate of the positioning support.

According to the fourth preferred scheme, the two sides of the upper part of the component fixing plate are symmetrically provided with the P-type positioning plate supports for positioning the main plate at the center of the workpiece framework, the short sides of the two P-type positioning plate supports are connected with the component fixing plate through screws, the side surfaces of the long sides of the two P-type positioning plate supports are provided with the connecting supporting blocks for supporting the main plate at the center of the workpiece framework, and the connecting supporting blocks are connected with the P-type positioning plate supports through bolts. And a positioning supporting block for clamping a main board at the center of the workpiece framework is arranged on the end part of the long edge of the P-type positioning plate support, and the positioning supporting block is connected with an anti-falling sinking surface arranged on the P-type positioning plate support through a bolt.

Furthermore, a gasket set capable of being slightly adjusted is arranged between the connecting supporting block and the P-type positioning plate support, and a gasket set capable of being slightly adjusted is arranged between the positioning supporting block and the sinking surface of the P-type positioning plate support.

In a fifth preferred scheme of the invention, the pressing device comprises two pieces of square steel which are vertically arranged, one end of the square steel is provided with a connecting flange connected with a fixing plate of the pressing device, the other end of the square steel is provided with a quick clamp base for fixing a quick clamp, the quick clamp base consists of a bottom plate and a T-shaped vertical plate vertically arranged at the center of one side of the bottom plate, the quick hand clamp is connected with the T-shaped vertical plate through connecting pieces symmetrically arranged at the two sides of the T-shaped vertical plate, the lower ends of the two connecting pieces are fixedly connected with the T-shaped vertical plate through connecting bolts arranged at the upper end of the T-shaped vertical plate, the quick clamp is hinged with the two connecting pieces through a pin shaft, one side of the quick clamp base is provided with a clamp positioning bracket which limits the quick clamp to rotate towards the non-clamping end, the clamp positioning support is vertically connected with the side face of the T-shaped vertical plate through a screw arranged on the side face of the bottom plate.

Furthermore, the rapid clamp is provided with a T-shaped connecting plate, the lower end of the T-shaped connecting plate is provided with a guide block, the guide block is matched with a guide seat arranged on a rapid clamp base, the rapid clamp is guaranteed to move to a position of a main plate pressing the center of a workpiece framework along a fixed direction, and a pressing pin is arranged at the front end of the T-shaped connecting plate.

More further, be provided with proximity switch's proximity switch mounting panel on the preceding terminal surface of T type connecting plate, proximity switch responds to the mainboard that the end corresponds to work piece skeleton center and arranges, and proximity switch detects the mainboard at work piece skeleton center when the quick-operation clamp compresses tightly the mainboard at work piece skeleton center.

And workpiece supporting blocks for bearing workpieces are respectively arranged on two sides of the lower part of the component fixing plate.

The invention has the beneficial effects.

The invention has compact and reasonable structural design, enables the workpiece framework to be positioned stably, realizes code printing judgment by utilizing the sensor, avoids manual operation and realizes clear code printing.

The components arranged on the component fixing plate can effectively support the workpiece and simultaneously clamp and position the workpiece, the pressing device can effectively press and position the workpiece main board to firmly fix the workpiece main board, and the positioning support block is arranged at the upper end of the section bar column of the support frame body and used for supporting the workpiece, so that the workpiece is not shaken during code printing.

The proximity switch is designed, so that the workpiece can be detected while being positioned, a signal is transmitted to the coding machine, and the coding machine can be automatically started to code, so that time and labor are saved.

The workpiece supporting blocks arranged on the two sides of the lower part of the component fixing plate can effectively support the workpiece to prevent the workpiece from falling off in the workpiece mounting process.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

FIG. 2 is a schematic diagram of one configuration of the adjustable mount of FIG. 1.

Fig. 3 is a schematic structural view of the support frame of fig. 1.

Fig. 4 is a schematic view of a structure of the module fixing plate of fig. 2.

Fig. 5 is a schematic structural diagram of the coding machine base in fig. 4.

Fig. 6 is a schematic view of a structure of the positioning support in fig. 4.

Fig. 7 is a schematic view of a positioning block of fig. 6.

Fig. 8 is a schematic view of a structure of the support block and the guide block of fig. 6.

Figure 9 is a schematic view of a structure of the spacer bracket of figure 6.

Fig. 10 is a schematic view of a structure of the compressing device of fig. 1.

Fig. 11 is a schematic view of a quick clamp mount of fig. 10.

The sequence numbers in the figures illustrate: 1 adjustable mounting seat, 2 supporting frame bodies, 3 pressing devices, 4 base seat plates, 5 square steel pipe handles, 6 adjustable square steels, 7 component fixing plates, 8 coding machine mounting seats, 9 pressing device fixing plates, 10 connecting flanges, 11 long section bars, 12 vertical section bars, 13 vertical long section bars, 14 section bar columns, 15 positioning support blocks, 16 bottom plates, 17 side plates, 18 supporting rib plates, 19 positioning support seats, 20 bases, 21 positioning seats, 22 supporting plates, 23 rib plates, 24 grooves, 25 positioning blocks, 26 strip-shaped mounting holes, 27 connecting pins, 28 grooves, supporting

blocks

29, 30 strip-shaped mounting holes, 31 connecting pins, 32 guide blocks, 33 hand holes, 34 gasket groups, 35 positioning plate supports, 36 connecting supporting blocks, 37 positioning supporting blocks, 38 sinking surfaces, 39 square steels, 40 quick clamp bases, 41 quick clamps, 42 pin shafts, 43 clamp positioning supports, 44T-shaped connecting plates, 45 guide blocks, 46 guide seats, 47 pressing pins, 48 proximity switch mounting plates, 49 proximity switches, 50 workpiece support blocks, 51 bottom plates, 52T-shaped vertical plates and 53 connecting pieces.

Detailed Description

The specific structure of the present invention will be described in detail with reference to FIGS. 1 to 11. This beat workpiece positioning mechanism of ink recorder includes adjustable mount pad 1, support body 2 and closing device 3, its characterized in that: the adjustable mounting seat 1 comprises a base seat plate 4, a square steel pipe 5 is fixedly arranged above the base seat plate 4, two connecting through holes can be vertically formed in the square steel pipe 5, an adjusting square steel 6 is embedded into the square steel pipe 5, four adjusting holes for adjusting the height positions can be vertically formed in the adjusting square steel 6 corresponding to the connecting through holes of the square steel pipe 5, and the adjusting square steel 6 is connected with the square steel pipe 5 through bolts arranged in the holes; adjust 6 upper portions of square steel and set up the subassembly fixed plate 7 that is used for the unit mount, support body 2 that the work piece skeleton was used links to each other with adjusting square steel 6 through subassembly

fixed plate

7, 7 tops of subassembly fixed plate are provided with the coding machine, the coding machine setting is in supporting support body 2 and is fixed to be set up coding machine mount pad 8 on subassembly fixed plate 7 and link to each other, institute 6 sides of the just 6 sides in regulation side are provided with closing device fixed plate 9 of installation closing device 3, closing device 3 passes through flange 10 to be fixed on closing device fixed plate 9.

Because the opposite sex characteristics of work piece skeleton, need fix the work piece skeleton earlier and carry out preliminary location on supporting support body 2 when the location, support body 2 and constitute by the opposite sex aluminium alloy, support body 2 and include that a horizontal long section bar and two horizontal short section bar parallel constitute in the middle of have the elongated material body 11 of opening, the vertical section bar 12 that is provided with two parallels in 11 opening both ends of elongated material body, vertical section bar 12 constitutes the type seat body down that can hold the coding machine with the opening, 11 both sides upper ends of elongated material body set up two parallel vertical long section bars 13 perpendicularly, 13 both ends of two vertical long section bars are provided with section bar post 14 respectively. Long material body 11, lower type pedestal and two vertical long section bars 13 and section bar post 14 have constituted the frame construction who supports the support body, are provided with the location tray 15 that is used for lifting the work piece skeleton in section bar post 14 upper end side, location tray 15 and section bar post 14 pass through screwed connection. The middle position of the upper part of the component fixing plate 7 is connected with a bottom plate 16 of the coding machine mounting seat 8 through a bolt, a side plate 17 is vertically arranged on one side of the bottom plate 16 and forms an L-shaped seat body with the bottom plate 16, and an angle-shaped supporting rib plate 18 is fixed in the middle of the L-shaped seat body. The side plate 17 of the marking machine mounting seat 8 corresponds to the lower seat body on the support frame body 2, so that the marking machine arranged in the lower seat body of the support frame body 2 is fixed on the side plate 17 through a bolt. The workpiece framework is fixed on the positioning support block 15, the frame structure of the support frame body is stably supported, and the coding machine is aligned to the position of a workpiece main board to be coded.

Prevent that the work piece skeleton from rocking when beating the sign indicating number for better fixed work piece skeleton central part, 8 lower parts of marking machine mount pad on subassembly fixed plate 7 are provided with the location support 19 that is used for fixing a position work piece skeleton central part, location support 19 includes base 20, base 20 passes through the bolt and links to each other with subassembly fixed plate 7, and base 20 top is provided with positioning seat 21, the positioning seat middle part links to each other with base 20 through perpendicular backup pad 22 that sets up in base 20 one side. An angular rib plate 23 is fixedly arranged between the positioning seat 21 and the base 20 and connected with the supporting plate 22. The positioning seat 21 is narrow at the top and wide at the bottom, a groove 24 matched with the positioning block 25 is arranged at the center of the upper surface of the narrow end, the positioning block 25 is L-shaped, one end of the positioning block 25 is provided with a strip-shaped mounting hole 26 which can be adjusted up and down and matched with a pin hole arranged in the groove 24 of the narrow end, so that the positioning block 25 is embedded into the groove 24 of the narrow end and is connected with the positioning seat 21 through a connecting pin 27. The two sides of the wide end of the positioning seat 21 are respectively provided with a groove 28 matched with the supporting block 29, one end of the supporting block 29 is provided with a strip-shaped mounting hole 30 which can be adjusted up and down and matched with a pin hole arranged in the wide end groove, so that the supporting block 29 is embedded into the wide end groove 28 and is connected with the positioning seat 21 through a connecting pin 31. And a guide block 32 for installing and guiding the workpiece framework is arranged on the other end of the supporting block 29, and the guide block 32 is connected with the supporting block 29 through a screw. Since the coding machine needs to be checked and replaced regularly, a hand hole 33 for adjusting the coding machine is arranged on the supporting plate 22 of the positioning support 19. The two sides of the upper part of the component fixing plate 7 are symmetrically provided with P-type positioning plate supports 35 used for positioning a main plate on a workpiece framework, the short sides of the two P-type positioning plate supports 35 are connected with the component fixing plate 7 through screws, the side faces of the long sides of the two P-type positioning plate supports 35 are provided with connecting and supporting blocks 36 used for supporting the main plate at the center of the workpiece framework, and the connecting and supporting blocks 36 are connected with the P-type positioning plate supports 35 through bolts. The positioning support block 37 for clamping the main board on the workpiece framework is arranged on the end part of the long side of the P-type positioning plate bracket 35, and the positioning support block 37 is connected with the anti-falling surface 38 arranged on the P-type positioning plate bracket 35 through a bolt. In order to position the workpiece framework more accurately, gasket groups 33 for micro adjustment are arranged between the positioning block 25 and the narrow end groove 24, between the supporting block 29 and the wide end groove 28, between the supporting block 36 and the P-type positioning plate bracket 35, and between the positioning supporting block 37 and the sinking surface 38 of the P-type positioning plate bracket 35.

The main board at the center of the workpiece framework is fixed to prevent the main board at the center of the workpiece framework from shaking during code printing, a pressing device 3 is arranged above the main plate at the center of the workpiece framework, the pressing device 3 comprises two pieces of square steel 39 which are vertically arranged, one end of the square steel 39 is provided with a connecting flange 10 connected with a fixing plate of the pressing device, the other end of the square steel 39 is provided with a quick clamp base 40 for fixing a quick clamp 41, the quick clamp base 40 is composed of a bottom plate 51 and a T-shaped vertical plate 52 vertically arranged at the center of one side of the bottom plate 51, the quick pliers 41 are connected with the T-shaped vertical plate 52 through connecting pieces 53 symmetrically arranged at two sides of the T-shaped vertical plate 52, the lower ends of the two connecting pieces 53 are fixedly connected with the T-shaped vertical plate 52 through connecting bolts arranged at the upper end of the T-shaped vertical plate 52, and the quick clamp 41 is hinged with the two connecting pieces 53 through a pin shaft 42, so that the quick clamp 41 can rotate along the pin shaft 42. The quick clamp is characterized in that a clamp positioning support 43 for limiting the quick clamp 41 to rotate towards a non-clamping end is arranged on one side of the quick clamp base 40, the clamp positioning support 43 is vertically connected with the side surface of a T-shaped vertical plate 52 through a screw arranged on the side surface of a bottom plate 51, a T-shaped connecting plate 44 is arranged on the quick clamp 41, a guide block 45 is arranged at the lower end of the T-shaped connecting plate 44, the guide block 45 is matched with a guide seat 46 arranged on the quick clamp base 40 to ensure that the quick clamp 41 moves to a main plate position for pressing the center of a workpiece framework along a fixed direction, and pressing pins 47 are arranged on two sides of the front end of the T-. The front end face of the T-shaped connecting plate 44 is provided with a proximity switch mounting plate 48 for mounting a proximity switch 49, the sensing end of the proximity switch 49 is arranged corresponding to the workpiece framework, and the proximity switch 49 detects the workpiece framework when the quick clamp 41 compresses the main plate at the center of the workpiece framework. The two sides of the lower part of the component fixing plate 7 are respectively provided with a workpiece supporting block 50 for bearing a workpiece.

When the workpiece positioning mechanism of the coding machine is used, firstly, the adjustable mounting seat 1 of the mechanism is fixed on a production site, the position of the adjustable mounting seat 1 is adjusted according to the coding standard of the coding machine, the pressing device 3 is placed on the clamp positioning support 43 to enable the adjustable mounting seat to be in a non-pressing state, secondly, a workpiece framework is placed on the positioning support block 15 of the support frame body 2, the guide block 32 of the center of the workpiece framework on the positioning support 19 is assisted to fall above the component fixing plate 7, the positioning block 25 and the support block 29 on the positioning support 19 position the center of the workpiece framework, and the central plane of the workpiece framework is ensured to be a plane by utilizing the adjusting gasket group 33 for micro-adjustment; the central main board of the workpiece framework is contacted with a connecting supporting block 36 of a P-shaped positioning plate bracket 35 arranged on the positioning support 19, and the connecting supporting block 36 supports the main body part of the central main board of the workpiece framework; then, the pressing device 3 is pushed towards the pressing end, so that the quick clamp 41 drives the T-shaped connecting plate 44 to rapidly rotate towards the pressing end along the pin shaft 42, when the guide block 45 on the T-shaped connecting plate 44 is completely matched with the guide groove on the guide seat 46 arranged on the quick clamp base 40, the pressing pin 47 at the front end of the T-shaped connecting plate 44 is tightly pressed on the workpiece, so that the workpiece is firmly fixed, at the moment, the proximity switch 49 arranged at the front end of the T-shaped connecting plate 44 senses the workpiece, a signal is transmitted to the coding machine equipment, and the coding machine equipment is automatically started to finish coding; finally, after the code printing is finished, the quick clamp 41 on the pressing device 3 is pushed towards the non-pressing end direction, so that the quick clamp 41 is placed on the clamp positioning bracket 43, an operator can conveniently take off a finished product, and corresponding preparation is made for the next operation cycle.

It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.

Claims

1. The utility model provides a beat work piece positioning mechanism of ink recorder, includes adjustable mount pad, support body and closing device, its characterized in that: the adjustable mounting seat comprises a base seat plate, a square steel pipe is fixedly arranged above the base seat plate, a plurality of connecting through holes are formed in the square steel pipe, an adjusting square steel is embedded into the square steel pipe, a plurality of adjusting holes for adjusting the height position are vertically formed in the positions of the adjusting square steel corresponding to the connecting through holes of the square steel pipe, and the adjusting square steel is connected with the square steel pipe through bolts arranged in the holes; adjust square steel upper portion and set up the subassembly fixed plate that is used for the unit mount, a support body that supports work piece skeleton and use passes through the subassembly fixed plate and links to each other with adjusting the square steel, subassembly fixed plate top is provided with the coding machine, the coding machine setting links to each other with the coding machine mount pad that sets up on the subassembly fixed plate in the support frame body, the firm side in regulation side is provided with installation closing device's closing device fixed plate, closing device passes through flange to be fixed on the closing device fixed plate.

2. The workpiece positioning mechanism of the coding machine as set forth in claim 1, wherein: the support frame body is composed of special-shaped aluminum profiles, the support frame body comprises a transverse long profile and two transverse short profiles which are parallel to form a long profile body with a gap in the middle, two parallel vertical profiles are vertically arranged at two ends of the gap of the long profile body, the vertical profiles and the gap form a lower seat body capable of accommodating the coding machine, two parallel vertical long profiles are vertically arranged at the upper ends of two sides of the long profile body, and profile columns are respectively arranged at two ends of the two vertical long profiles; the profile column is characterized in that a positioning supporting block used for supporting the workpiece main body is arranged on the side face of the upper end of the profile column, and the positioning supporting block is connected with the profile column through a screw.

3. The workpiece positioning mechanism of the coding machine as set forth in claim 1, wherein: the middle position of the upper part of the component fixing plate is connected with a bottom plate of the coding machine mounting seat through a bolt, one side of the bottom plate is vertically provided with a side plate to form an L-shaped seat body with the bottom plate, and an angular support rib plate is fixed in the middle of the L-shaped seat body; the side plate of the code printer mounting seat corresponds to the lower seat body on the support frame body, so that the code printer arranged in the lower seat body of the support frame body is fixed on the side plate through bolts.

4. The workpiece positioning mechanism of the coding machine as set forth in claim 1, wherein: the lower part of the mounting seat of the component fixing plate marking machine is provided with a positioning support used for positioning a workpiece framework, the positioning support comprises a base, the base is connected with the component fixing plate through a bolt, a positioning seat is arranged above the base, the middle part of the positioning seat is connected with the base through a supporting plate vertically arranged on one side of the base, an angle-shaped rib plate is fixedly arranged between the positioning seat and the base and connected with the supporting plate, and a hand hole for adjusting a marking machine is arranged on the supporting plate.

5. The workpiece positioning mechanism of the coding machine as set forth in claim 4, wherein: the positioning seat is narrow at the top and wide at the bottom, a groove matched with the positioning block is formed in the center of the narrow end, the positioning block is L-shaped, a strip-shaped mounting hole capable of being adjusted up and down is formed in one end of the positioning block and matched with a pin hole formed in the narrow end groove, the positioning block is embedded into the narrow end groove and connected with the positioning seat through a connecting pin, grooves matched with the supporting block are formed in two sides of the wide end of the positioning seat respectively, the strip-shaped mounting hole capable of being adjusted up and down is formed in one end of the supporting block and matched with the pin hole formed in the wide end groove, the supporting block is embedded into the wide end groove and connected with the positioning seat through the connecting pin, a guide block used for installing.

6. The workpiece positioning mechanism of the coding machine as set forth in claim 5, wherein: a gasket set for micro adjustment is arranged between the L-shaped positioning block and the narrow end groove, and a gasket set for micro adjustment is arranged between the supporting block and the wide end groove.

7. The workpiece positioning mechanism of the coding machine as set forth in claim 1, wherein: the assembly fixing plate is characterized in that P-type positioning plate supports for positioning a main plate at the center of a workpiece framework are symmetrically arranged on two sides of the upper portion of the assembly fixing plate, short edges of the two P-type positioning plate supports are connected with the assembly fixing plate through screws, connecting supporting blocks for supporting the main plate at the center of the workpiece framework are arranged on the long side faces of the two P-type positioning plate supports and connected with the P-type positioning plate supports through bolts, positioning supporting blocks for clamping the main plate at the center of the workpiece framework are arranged on the long side end portions of the P-type positioning plate supports, and the positioning supporting blocks are connected with anti-falling surfaces arranged on.

8. The workpiece positioning mechanism of the coding machine as set forth in claim 7, wherein: a gasket set capable of being adjusted in a micro mode is arranged between the connecting supporting block and the P-type positioning plate support, and a gasket set capable of being adjusted in a micro mode is arranged between the positioning supporting block and the sinking surface of the P-type positioning plate support.

9. The workpiece positioning mechanism of the coding machine as set forth in claim 1, wherein: the pressing device comprises two vertically arranged square steels, one end of each square steel is provided with a connecting flange connected with a fixing plate of the pressing device, the other end of each square steel is provided with a quick clamp base for fixing a quick clamp, the quick clamp base consists of a bottom plate and a T-shaped vertical plate vertically arranged at the center of one side of the bottom plate, quick handclamps are connected with the T-shaped vertical plates through connecting pieces symmetrically arranged at two sides of the T-shaped vertical plate, the lower ends of the two connecting pieces are fixedly connected with the T-shaped vertical plates through connecting bolts arranged at the upper ends of the T-shaped vertical plates, the quick clamps are hinged with the two connecting pieces through pin shafts, one side of the quick clamp base is provided with a clamp positioning support for limiting the quick clamps to rotate to a non-clamping end, the clamp positioning support is vertically connected with the side surface of the T-shaped vertical plate through, the lower extreme of T type connecting plate is provided with the guide block, the guide block cooperatees with the guide holder that sets up on the active grab base, the front end of T type connecting plate is provided with compressing pin, be provided with proximity switch mounting panel of installation proximity switch on the preceding terminal surface of T type connecting plate, proximity switch induction end is arranged corresponding to the mainboard at work piece skeleton center.

10. The workpiece positioning mechanism of the coding machine as set forth in claim 1, wherein: and workpiece supporting blocks for bearing workpieces are respectively arranged on two sides of the lower part of the component fixing plate.