CN217552631U - Width-adjustable wooden door hardware hole automatic machining assembly line - Google Patents

Abstract

The utility model provides a width-adjustable automatic wooden door hardware hole machining assembly line, which comprises a first machining station, a second machining station and a third machining station which are arranged in sequence, wherein the output end of the first machining station is connected with the input end of the second machining station through a first overturning conveying mechanism, the output end of the second machining station is connected with the input end of the third machining station through a second overturning conveying mechanism, a front machining mechanism is arranged on one side edge of the first machining station, and the front machining mechanism can slide along the conveying direction of a wooden door; the top surface machining mechanism is arranged at one end, far away from the wooden door input end, of the first machining station. The utility model discloses an automatic assembly line that adds of width adjustable timber five metals hole collects bottom surface processing agency, front machining mechanism, left surface processing agency, top surface processing agency and right flank processing agency in an organic whole, has improved machining efficiency, has reduced labour cost, the intelligent processing management of being convenient for.

Description

Width-adjustable wooden door hardware hole automatic machining assembly line

Technical Field

The utility model relates to a timber processing technology field, concretely relates to width adjustable timber five metals hole automatic processing assembly line.

Background

For the convenience of installation, locking and spraying, the existing door leaf usually needs to be provided with grooves, paint holes, a plurality of hinge grooves, locking cover sheet grooves and corresponding locking holes on the plane of the door leaf.

Traditional door leaf processing to single process is progressively processed, and every station only accomplishes a processing task, shifts to another process by the manual work after processing is accomplished and fixes a position the processing again, and each station processing does not have the continuity, and every time changes the processing station and all needs to fix a position again, and labour cost is great, is not convenient for manage.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a width adjustable timber five metals hole automatic processing assembly line has realized the flowing water processing in timber five metals hole through first machining-position, second machining-position and third machining-position, collects bottom surface processing agency, front processing agency, left surface processing agency, top surface processing agency and right flank processing agency in an organic whole, has improved machining efficiency, has reduced labour cost, the intelligent processing management of being convenient for.

In order to achieve the above purpose, the utility model discloses a technical scheme who takes is:

an automatic machining assembly line for wooden door hardware holes with adjustable width comprises a first machining station, a second machining station and a third machining station which are sequentially arranged, wherein the output end of the first machining station is connected with the input end of the second machining station through a first overturning conveying mechanism, the output end of the second machining station is connected with the input end of the third machining station through a second overturning conveying mechanism, a front machining mechanism is arranged on one side edge of the first machining station, and the front machining mechanism can slide along the conveying direction of a wooden door; the top surface processing mechanism is arranged at one end of the first processing station, which is far away from the input end of the wooden door, and the top surface processing mechanism freely slides on the end surface of the first processing station; the left side surface processing mechanism and the right side surface processing mechanism are respectively arranged on two opposite sides of the second processing station, and can freely slide along the sides of the second processing station; the bottom surface machining mechanism is arranged at one end, close to the second machining station, of the third machining station, and the bottom surface machining mechanism can freely slide on the end face of the third machining station.

Furthermore, the first machining station and the third machining station comprise a first frame, a lifting type roller conveying mechanism and a first workbench, the first workbench is arranged on the first frame, and the lifting type roller conveying mechanism is arranged on the first frame through a lifting mechanism.

Further, the second machining station comprises a fixed conveying mechanism, a movable conveying mechanism, a first overturning conveying mechanism and a second overturning conveying mechanism which are arranged on a second rack, the fixed conveying mechanism and the movable conveying mechanism are arranged oppositely, the movable conveying mechanism can move towards or away from the fixed conveying mechanism under the driving of a sliding mechanism, the first overturning conveying mechanism and the second overturning conveying mechanism are respectively arranged at two ends of the fixed conveying mechanism and the movable conveying mechanism, the left side machining mechanism is slidably arranged on the fixed conveying mechanism, and the right side machining mechanism is slidably arranged on the movable conveying mechanism.

Further, the fixed conveying mechanism comprises a first base, a second workbench and a first conveying belt, the first base and the second workbench are arranged on the second rack, and the first conveying belt is arranged on the first base through a lifting cylinder; the movable conveying mechanism comprises a screw rod sliding mechanism, a second base, a third workbench and a second conveying belt, the second base is arranged on the second rack through the screw rod sliding mechanism, the third workbench is arranged on the second base, and the second conveying belt is arranged on the second base through a lifting cylinder.

Further, the lead screw glide machanism includes motor, lead screw and the direction slide rail of sliding, the motor that slides the direction slide rail sets up in the second frame, the lead screw with the output shaft of the motor that slides, the external screw thread of lead screw with the interior screw-thread fit of second base is connected, the second base pass through the slider with the direction slide rail is connected.

Furthermore, the first turnover conveying mechanism or the second turnover conveying mechanism comprises a third base, a turnover cylinder, a turnover frame and conveying rollers, the third base is arranged at two ends of the first base and the second base, the turnover cylinder is arranged on the third base, an output end of the turnover cylinder is connected with the turnover frame through a pin shaft, one end of the turnover frame is connected with the upper end of the third base through a pin shaft, and the conveying rollers are arranged on the turnover frame through bearing seats.

Further, the device comprises a lower pressing mechanism which is arranged on the fixed conveying mechanism or the movable conveying mechanism, wherein the lower pressing mechanism comprises a support, a lower pressing cylinder and a lower pressing wheel, the support is arranged on the fixed conveying mechanism or the movable conveying mechanism, the lower pressing cylinder is arranged on the support, an output shaft of the lower pressing cylinder is connected with the lower pressing wheel, and the lower pressing wheel is positioned above the fixed conveying mechanism or the movable conveying mechanism.

Further, each lifting roller conveying mechanism comprises: drive motor, drive sprocket, driven sprocket, transmission shaft and belt, drive motor drive sprocket and the transmission shaft sets up in the first frame, driven sprocket sets up on the transmission shaft, drive sprocket with drive motor's output shaft links to each other, driven sprocket with drive sprocket passes through the chain and connects, every roller of over-and-under type roller conveying mechanism all through the belt with the transmission shaft links to each other.

Compared with the prior art, the technical scheme of the utility model have following advantage:

(1) The utility model discloses an automatic assembly line that adds of width adjustable timber five metals hole has realized the running water processing of timber five metals hole through first processing station, second processing station and third processing station, collects bottom surface processing mechanism, front processing mechanism, left surface processing mechanism, top surface processing mechanism and right flank processing mechanism in an organic whole, has improved machining efficiency, has reduced labour cost, the intelligent processing management of being convenient for.

(2) The utility model discloses a width adjustable timber five metals hole automatic processing assembly line, the accessible adjustment is removed conveying mechanism's position and is realized the adjustment of timber processing workstation width, is applicable to the processing of the timber of various widths, and right flank processing agency accessible removes the width that conveying mechanism fixes a position the timber fast, and to the timber of same specification, only need adjust once remove conveying mechanism, right flank processing mechanism's depth of processing location only need finely tune the casing and accomplish, has avoided every time right flank processing all to carry out the depth of processing location of a right flank processing mechanism, has improved machining efficiency.

(3) The utility model discloses an automatic assembly line in width adjustable timber five metals hole can set up upset conveying mechanism in each station junction for the processing of the top of timber or bottom no longer limits in first step or last step processing, can carry out reasonable arrangement according to actual need, has realized that output, input between each process link up, has improved the flexibility that work efficiency and equipment arranged.

(4) The utility model discloses a width adjustable timber five metals hole automatic processing assembly line has realized the processing of top surface, side, front and bottom surface through three station, has shortened the length of equipment, and wherein the left surface processing goes on simultaneously with the right flank processing, can improve machining efficiency greatly.

Drawings

The technical solution and the advantages of the present invention will be apparent from the detailed description of the embodiments of the present invention, which is provided in the accompanying drawings.

FIG. 1 is a structural diagram of an automatic wooden door hardware hole processing assembly line with adjustable width according to an embodiment of the present invention;

FIG. 2 is a top view of an automatic wooden door hardware hole machining assembly line with adjustable width according to an embodiment of the present invention;

FIG. 3 is a front view of an automatic wooden door hardware hole machining line with adjustable width according to an embodiment of the present invention;

fig. 4 is a structural diagram of a second processing station according to an embodiment of the present invention;

fig. 5 is a plan view of a second processing station according to an embodiment of the present invention;

fig. 6 is a left side view of the second processing station according to an embodiment of the present invention.

Reference numbers in the figures:

1 first processing station, 11 first frame, 12 lifting roller conveying mechanism, 13 first workbench, 2 front processing mechanism, 3 top processing mechanism, 4 second processing station, 41 second frame, 42 fixed conveying mechanism, 421 first base, 422 second workbench, 423 first conveying belt, 43 mobile conveying mechanism, 431 second base, 432 third workbench, 433 second conveying belt, 441 sliding motor, 442 lead screw, 443 guide slide rail, 45 first turnover conveying mechanism, 451 third base, 452 turnover cylinder, 453 turnover frame, 454 conveying roller, 46 second turnover conveying mechanism, 5 left side processing mechanism, 6 right side processing mechanism, 7 third processing station, 8 bottom processing mechanism, 9 pressing mechanism, 91 support, 92 pressing cylinder and 93 pressing wheel.

Detailed Description

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. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

This embodiment provides an automatic assembly line of processing in width adjustable timber five metals hole, as shown in fig. 1 ~ 3, including first machining-position 1, second machining-position 4, third machining-position 7 and the lower hold-down mechanism 9 that arranges in proper order, the output of first machining-position 1 through first upset conveying mechanism 45 with the input of second machining-position 4 is connected. The output of second machining position 4 pass through second upset conveying mechanism 46 with the input of third machining position 7 is connected, and positive machining mechanism 2 sets up on a side of first machining position 1, positive machining mechanism 2 can follow the timber direction of delivery and slide. Top surface processing agency 3 sets up the one end of keeping away from the timber input of first processing station 1, top surface processing agency 3 is in the terminal surface free slip of first processing station 1. The left side face machining mechanism 5 and the right side face machining mechanism 6 are respectively arranged on two opposite side edges of the second machining station 4, and the left side face machining mechanism 5 and the right side face machining mechanism 6 can freely slide along the side edges of the second machining station 4. The bottom surface machining mechanism 8 is arranged at one end, close to the second machining station 4, of the third machining station 7, and the bottom surface machining mechanism 8 can freely slide on the end face of the third machining station 7. The lower pressing mechanism 9 is provided on the fixed conveying mechanism 42 or the movable conveying mechanism 43.

The first machining station 1 and the third machining station 7 respectively comprise a first rack 11, a lifting type roller conveying mechanism 12 and a first workbench 13, the first workbench 13 is arranged on the first rack 11, and the lifting type roller conveying mechanism 12 is arranged on the first rack 11 through a lifting mechanism. The lifting mechanism is preferably an air cylinder, so that the lifting of the lifting roller conveying mechanism 12 can be controlled conveniently and stably. Each of the elevating roller conveying mechanisms 12 includes: drive motor, drive sprocket, driven sprocket, transmission shaft and belt, drive motor drive sprocket and the transmission shaft sets up on the first frame 11, driven sprocket sets up on the transmission shaft, drive sprocket with drive motor's output shaft links to each other, driven sprocket with drive sprocket passes through the chain and connects, every roller of over-and-under type roller conveying mechanism 12 all through the belt with the transmission shaft links to each other. When materials are conveyed, the lifting mechanism enables the lifting type roller conveying mechanism 12 to be lifted to be higher than the first workbench 13, the transmission motor drives the transmission shaft to rotate, the belt drives the roller of the lifting type roller conveying mechanism 12 to rotate, and conveying of the wooden door is achieved. When adding man-hour, driving motor 51 stall, elevating system will over-and-under type roller conveying mechanism 5 falls to being less than first workstation 13 is arranged in the timber and is carried out processing on the first workstation 13.

Bottom surface processing agency 8 includes first horizontal glide machanism, first vertical glide machanism, fourth base and first processing cutter, and the name transversely is the same with timber direction of delivery, vertically for with timber direction of delivery is perpendicular, vertically for with horizontal plane vertically direction. The first processing cutter is arranged on a fourth base, the fourth base is arranged on the rack of the third processing station 7 through a first longitudinal sliding mechanism, and the fourth base can slide under the driving of the first transverse sliding mechanism, the first longitudinal sliding mechanism and the first vertical sliding mechanism. The first transverse sliding mechanism is used for controlling the transverse machining depth of the first machining cutter, the first longitudinal sliding mechanism is used for controlling the machining position of the first machining cutter, and the first vertical sliding mechanism is used for controlling the vertical machining depth of the first machining cutter. The first transverse sliding mechanism, the first longitudinal sliding mechanism and the first vertical sliding mechanism can be a gear rack mechanism, a screw rod guide rail structure or an air cylinder guide rail structure. The sliding mechanism of the top surface processing mechanism 3 is similar to the sliding mechanism of the bottom surface processing mechanism 8 in principle, and the description thereof will not be repeated.

The front face machining mechanism 2 comprises a second machining tool, a fifth base, a second transverse sliding mechanism and a second vertical sliding mechanism, the second machining tool is arranged on the first machining station 1 through the fifth base, the second machining tool can be driven by the second transverse sliding mechanism to determine a machining position, and the second vertical sliding mechanism is used for controlling the machining depth. The second transverse sliding mechanism can be a chain wheel chain structure or a gear rack structure, and the second vertical sliding mechanism is a screw rod guide rail structure or a cylinder guide rail structure, so that the transmission stability is ensured.

The left side processing mechanism 5 is slidably disposed on the fixed conveying mechanism 42, and the right side processing mechanism 6 is slidably disposed on the movable conveying mechanism 43, and the structure is similar, and here, the left side processing mechanism 5 is taken as an example for description. The slide mechanism of the left side surface processing mechanism 5 is similar to the slide mechanism of the front surface processing mechanism 2, and a description thereof will not be repeated.

As shown in fig. 4 to 6, the second processing station 4 includes a fixed conveying mechanism 42, a movable conveying mechanism 43, the first turnover conveying mechanism 45, and the second turnover conveying mechanism 46, which are disposed on the second frame 41, the fixed conveying mechanism 42 is disposed opposite to the movable conveying mechanism 43, the movable conveying mechanism 43 is driven by a sliding mechanism to move toward or away from the fixed conveying mechanism 42, the first turnover conveying mechanism 45 and the second turnover conveying mechanism 46 are respectively disposed at two ends of the fixed conveying mechanism 42 and the movable conveying mechanism 43, the left side processing mechanism 5 is slidably disposed on the fixed conveying mechanism 42, and the right side processing mechanism 6 is slidably disposed on the movable conveying mechanism 43.

The fixed conveying mechanism 42 includes a first base 421, a second working table 422, and a first conveying belt 423, the first base 421 and the second working table 422 are disposed on the second frame 41, and the first conveying belt 423 is disposed on the first base 421 through a lifting cylinder. The movable conveying mechanism 43 includes a screw sliding mechanism, a second base 431, a third table 432, and a second conveyor belt 433, the second base 431 is disposed on the second frame 41 through the screw sliding mechanism, the third table 432 is disposed on the second base 431, and the second conveyor belt 433 is disposed on the second base 431 through a lifting cylinder. During the use fixed conveying mechanism 42 is fixed, second workstation 422 is motionless, it is in to remove conveying mechanism 43 the drive of lead screw glide machanism is down to being close to or keeping away from the direction of second workstation 422 is removed, third workstation 432 is to being close to or keeping away from the direction of second workstation 422 is removed, and then adjusts the distance between two workstations, all can be suitable for to the timber of different width, has improved the flexibility of using.

The screw rod sliding mechanism comprises a sliding motor 441, a screw rod 442 and a guide slide rail 443, the sliding motor 441 and the guide slide rail 443 are arranged on the second frame 41, the screw rod 442 is connected with an output shaft of the sliding motor 441, an external thread of the screw rod 442 is in fit connection with an internal thread of the second base 431, the second base 431 is connected with the guide slide rail 443 through a slider, an axis of the guide slide rail 443 is parallel to an axis of the screw rod 4442, and the axis of the screw rod 442 is perpendicular to the second conveyor belt 433. When the sliding type wood door processing device is used, the second base 431 can slide along the guide sliding rail 443 under the driving of the sliding motor 441, so that the third workbench 432 moves towards the direction close to or away from the second workbench 422, and wood doors with different widths can be processed.

The first turnover conveying mechanism 45 or the second turnover conveying mechanism 46 includes a third base 451, a turnover cylinder 452, a turnover frame 453, and a conveying roller 454, the third base 451 is disposed at both ends of the first base 421 and the second base 431, the turnover cylinder 452 is disposed on the third base 451, an output end of the turnover cylinder 452 is connected to the turnover frame 453 through a pin, one end of the turnover frame 453 is connected to an upper end of the third base 451 through a pin, and the conveying roller 454 is disposed on the turnover frame 453 through a bearing seat. During use, the overturning cylinder 452 extends, the overturning frame 453 drives the conveying roller 454 to rotate along a pin shaft, and the conveying roller is lifted to the same height as the first conveying belt 423 or the second conveying belt 433, so that the second machining station 4 is connected with the first machining station 1 or the third machining station 7, the end machining stations are arranged, and the arrangement flexibility of machining equipment is improved.

The lower pressing mechanism 9 includes a bracket 91, a lower pressing cylinder 92 and a lower pressing wheel 93, the bracket 91 is disposed on the fixed conveying mechanism 42 or the movable conveying mechanism 43, the lower pressing cylinder 92 is disposed on the bracket 91, an output shaft of the lower pressing cylinder 92 is connected with the lower pressing wheel 93, and the lower pressing wheel 93 is located above the fixed conveying mechanism 42 or the movable conveying mechanism 43. When in processing, the lower pressing mechanism 9 is used for tightly positioning the wooden door on the first workbench 13, the second workbench 422 and the third workbench 432, so that the processing precision and the processing stability are improved.

Width adjustable timber five metals hole automatic processing assembly line still includes positioning mechanism, positioning mechanism includes bottom surface positioning mechanism, side positioning mechanism, top surface positioning mechanism and hold down mechanism, bottom surface positioning mechanism sets up third machining station 7 is close to bottom surface machining mechanism 8's one end, bottom surface positioning mechanism includes over-and-under type bottom surface backer, first over-and-under type hold-down mechanism, and the timber is followed during the use second machining station 4 passes through second upset conveying mechanism 46 to third machining station 7 is carried, when carrying completely extremely behind the third station, over-and-under type roller conveying mechanism 12 reverses, over-and-under type bottom surface backer rises, supports the bottom of timber and leans on the over-and-under type bottom surface backer, over-and-under type roller conveying mechanism 12 descends, and the timber falls on third machining station 7's first workstation 13, first over-and-under type hold-down mechanism pushes down and fixes the timber is stable. Bottom surface positioning mechanism is used for the bottom surface of timber to add man-hour, and the control timber bottom surface is in the stability of processing is guaranteed to the position of third machining-position 7's first workstation 13. Top surface positioning mechanism sets up first processing station 1 is close to bottom surface processing mechanism 8's one end, top surface positioning mechanism with bottom surface positioning mechanism's structure is similar, but does not need when using over-and-under type roller conveying mechanism 12 reverses, only needs the top of timber to support and leans on top surface positioning mechanism, the mechanism that compresses down can be in with the top location of timber the top of timber is processed on the left surface processing mechanism.

First processing station 1 second processing station 4 and third processing station sets up side positioning mechanism on the perpendicular side of timber direction of delivery, side positioning mechanism is including location backer, push pedal and push pedal guiding axle, the location backer with the push pedal sets up respectively in timber direction of delivery's both sides, the push pedal passes through the base slidable and sets up on the push pedal guiding axle, the output shaft of base and push pedal cylinder, the push pedal cylinder and the setting of location backer is in first frame 11 or on the second frame 41.

The above is only the exemplary embodiment of the present invention, and not the limitation of the present invention, all the equivalent structures or equivalent processes of the present invention are used, or directly or indirectly applied to other related technical fields, and the same principle is included in the patent protection scope of the present invention.

Claims (8)

1. The automatic machining production line for the wooden door hardware holes with the adjustable width is characterized by comprising a first machining station (1), a second machining station (4) and a third machining station (7) which are sequentially arranged, wherein the output end of the first machining station (1) is connected with the input end of the second machining station (4) through a first overturning conveying mechanism (45), the output end of the second machining station (4) is connected with the input end of the third machining station (7) through a second overturning conveying mechanism (46), a front machining mechanism (2) is arranged on one side edge of the first machining station (1), and the front machining mechanism (2) can slide along the conveying direction of a wooden door; the top surface processing mechanism (3) is arranged at one end, far away from the input end of the wooden door, of the first processing station (1), and the top surface processing mechanism (3) freely slides on the end surface of the first processing station (1); the left side face machining mechanism (5) and the right side face machining mechanism (6) are respectively arranged on two opposite side edges of the second machining station (4), and the left side face machining mechanism (5) and the right side face machining mechanism (6) can freely slide along the side edges of the second machining station (4); the bottom surface machining mechanism (8) is arranged at one end, close to the second machining station (4), of the third machining station (7), and the bottom surface machining mechanism (8) can slide freely on the end face of the third machining station (7).

2. The automatic machining production line of wooden door hardware holes with adjustable width as claimed in claim 1, characterized in that the first machining station (1) and the third machining station (7) comprise a first rack (11), a lifting roller conveying mechanism (12) and a first workbench (13), the first workbench (13) is arranged on the first rack (11), and the lifting roller conveying mechanism (12) is arranged on the first rack (11) through a lifting mechanism.

3. The automatic machining production line of wooden door hardware holes with adjustable width as claimed in claim 1, characterized in that the second machining station (4) comprises a fixed conveying mechanism (42) arranged on a second rack (41), a movable conveying mechanism (43), a first overturning conveying mechanism (45) and a second overturning conveying mechanism (46), the fixed conveying mechanism (42) and the movable conveying mechanism (43) are arranged relatively, the movable conveying mechanism (43) can be driven by a sliding mechanism to move close to or far away from the direction of the fixed conveying mechanism (42), the first overturning conveying mechanism (45) and the second overturning conveying mechanism (46) are arranged on the fixed conveying mechanism (42) and the two ends of the movable conveying mechanism (43) respectively, the left side machining mechanism (5) is arranged on the fixed conveying mechanism (42) in a slidable manner, and the right side machining mechanism (6) is arranged on the movable conveying mechanism (43) in a slidable manner.

4. The automatic machining production line of wooden door hardware holes with adjustable width as claimed in claim 3,

the fixed conveying mechanism (42) comprises a first base (421), a second workbench (422) and a first conveying belt (423), the first base (421) and the second workbench (422) are arranged on the second rack (41), and the first conveying belt (423) is arranged on the first base (421) through a lifting cylinder;

the movable conveying mechanism (43) comprises a screw rod sliding mechanism, a second base (431), a third workbench (432) and a second conveying belt (433), the second base (431) is arranged on the second rack (41) through the screw rod sliding mechanism, the third workbench (432) is arranged on the second base (431), and the second conveying belt (433) is arranged on the second base (431) through a lifting cylinder.

5. The automatic machining line of wooden door hardware holes with adjustable width of claim 4 is characterized in that the screw rod sliding mechanism comprises a sliding motor (441), a screw rod (442) and a guide sliding rail (443), the sliding motor (441) and the guide sliding rail (443) are arranged on the second frame (41), the screw rod (442) is connected with an output shaft of the sliding motor (441), an external thread of the screw rod (442) is in fit connection with an internal thread of the second base (431), and the second base (431) is connected with the guide sliding rail (443) through a sliding block.

6. The automatic machining line of wooden door and hardware holes with adjustable width of claim 5 is characterized in that the first overturning conveying mechanism (45) or the second overturning conveying mechanism (46) comprises a third base (451), an overturning cylinder (452), an overturning frame (453) and conveying rollers (454), the third base (451) is arranged at two ends of the first base (421) and the second base (431), the overturning cylinder (452) is arranged on the third base (451), the output end of the overturning cylinder (452) is connected with the overturning frame (453) through a pin shaft, one end of the overturning frame (453) is connected with the upper end of the third base (451) through a pin shaft, and the conveying rollers (454) are arranged on the overturning frame (453) through bearing seats.

7. The automatic machining production line of wooden door and hardware holes with adjustable width of claim 3 is characterized by further comprising a lower pressing mechanism (9) arranged on the fixed conveying mechanism (42) or the movable conveying mechanism (43), wherein the lower pressing mechanism (9) comprises a support (91), a lower pressing cylinder (92) and a lower pressing wheel (93), the support (91) is arranged on the fixed conveying mechanism (42) or the movable conveying mechanism (43), the lower pressing cylinder (92) is arranged on the support (91), an output shaft of the lower pressing cylinder (92) is connected with the lower pressing wheel (93), and the lower pressing wheel (93) is located above the fixed conveying mechanism (42) or the movable conveying mechanism (43).

8. The automatic machining assembly line of wooden door and hardware holes with adjustable width of claim 2, characterized in that each lifting type roller conveying mechanism (12) comprises: drive motor, drive sprocket, driven sprocket, transmission shaft and belt, drive motor drive sprocket and the transmission shaft sets up on first frame (11), driven sprocket sets up on the transmission shaft, drive sprocket with drive motor's output shaft links to each other, driven sprocket with drive sprocket passes through the chain and connects, every roller of over-and-under type roller conveying mechanism (12) all pass through the belt with the transmission shaft links to each other.

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