A scrap recycling device for a wire threading machine

By designing a reversible semi-circular guard cover and a compression collection unit on the threading machine, the problems of collision between the guard cover and the cutting tool and low chip storage efficiency are solved, thus achieving effective chip collection and continuous processing.

CN224574807UActive Publication Date: 2026-07-31TAIGU LONGSHENG SPECIAL WEAR RESISTANT MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAIGU LONGSHENG SPECIAL WEAR RESISTANT MATERIAL CO LTD
Filing Date
2025-07-11
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

The protective cover structure of the existing threading machine is prone to collision with the cutting tool, which affects the installation of the workpiece. In addition, the chip collection takes up a lot of space, has a low storage capacity, and requires frequent unloading.

Method used

A flip-up guard cover and a compression collection unit were designed. The guard cover has a semi-circular structure with the centers of the circles coinciding to avoid interference with the cutting tools. The connecting shaft allows it to flip. A hydraulic cylinder and a pressing plate are used to compress iron filings. The collection box structure improves storage efficiency, and the movable baffle avoids interference.

Benefits of technology

It prevents iron filings from splashing during threading machine operation, facilitates the installation of large workpieces, improves the storage density and transportation convenience of iron filings, avoids processing interference, and enables independent iron filings and continuous processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a scrap recycling device for a threading machine, relating to the technical field of threading machine accessories. It includes a mounting frame, a scrap guard unit, and a compression and collection unit. This utility model prevents scrap from splashing. The workpiece through-slot and guard cover are both semi-circular structures with coincident centers, ensuring equal distances between each part and the rod-shaped workpiece, thus not affecting the passage and rotation of the threading machine's cutting tool. Furthermore, the connecting shaft allows the guard cover to be flipped open outwards for easy installation of workpieces with larger diameters. It also features a reliable compression and collection unit. Through a unique collection box structure, a hydraulic cylinder and extrusion plate are used to compress the filamentous scrap falling into the collection box. By compressing the filamentous scrap into compact blocks, the loading capacity of the collection box is improved, and the compressed scrap blocks are easy to transfer and store subsequently.
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Description

Technical Field

[0001] This utility model relates to the technical field of threading machine accessories, specifically to a scrap recycling device for threading machines. Background Technology

[0002] A threading machine is a mechanical device specifically used to process external threads on the outer surface of cylindrical objects such as pipes and round rods. It quickly produces standard threaded connectors through rotary cutting or extrusion molding. When the threading machine is working, it will generate iron filings, so it is necessary to recycle the iron filings to prevent them from splashing and causing a dirty production environment. The iron filings can also be recycled for subsequent uses. In existing technologies, the protective cover plates of threading machines are mostly flat plate structures. The middle section of the flat plate cover is close to the workpiece, which makes it easy for the cutting tool to collide with the cover plate. In addition, the cover plate is relatively fixed, which sometimes affects the installation of the workpiece. Furthermore, the iron filings generated by existing threading machines are mostly filamentous structures, which tend to have many gaps during collection, occupying a lot of space and making it inconvenient for storage and handling. This also leads to a significant reduction in the material holding capacity of the storage components, requiring frequent unloading. Therefore, we propose an iron filings recycling device for threading machines. Utility Model Content

[0003] The technical problem this invention aims to solve is to overcome existing defects and provide a scrap recycling device for threading machines. This device features a reliable scrap protection unit. The protection cover prevents scrap from splashing during threading machine operation. The workpiece bar to be processed passes longitudinally through the workpiece slot. Both the workpiece slot and the protection cover are semi-circular structures with coincident centers, ensuring equal distances between all parts and the workpiece, thus preventing interference with the passage and rotation of the threading machine's cutting tool. Furthermore, the connecting shaft allows the protection cover to be flipped open outwards for easy installation of workpieces with larger diameters. It also includes a reliable compression and collection unit. Through its unique material collection box structure, the hydraulic cylinder and extrusion plate can compress the filamentous iron filings falling into the collection box. By compressing the filamentous iron filings into compact blocks, the material collection box's loading capacity can be improved, and the compressed iron filings blocks are easy to transfer and store later. The pull-out baffle can be pulled upwards via the hand pull groove to remove the compressed iron filings blocks. The movable baffle can prevent iron filings from falling behind the extrusion plate during the compression process and affecting subsequent compression, achieving independence between tapping and iron filing processing. There is no need to shut down the threading machine during compression, which can effectively solve the problems in the background technology.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a scrap recycling device for a wire threading machine, comprising a mounting frame, a scrap protection unit, and a compression and collection unit; Mounting frame: It is a square frame with a material collection box fixedly connected to the lower end; Iron chip guard unit: includes shaft block, guard cover, connecting shaft, clamping plate and workpiece through groove. The upper left side of the mounting frame is fixedly connected to the front and rear shaft blocks. A connecting shaft is rotatably connected between the front and rear shaft blocks. The connecting shaft is fixedly connected to the inside of the left end of the guard cover. The guard cover is a semi-circular arc-shaped cover, and a clamping plate is fixedly connected to its left end. The clamping plate fits against the upper end of the mounting frame. A semi-circular workpiece through groove is opened through the middle of the mounting frame, and the center of the workpiece through groove coincides with the center of the guard cover. Compression collection unit: installed inside the collection box and on the front and back sides.

[0005] The retaining cover prevents iron filings from flying during the threading machine's operation. The shaft clamp is used to connect and secure the shaft. The connecting shaft allows the retaining cover to be flipped open outwards for easy installation of workpieces with larger diameters. The limiting clamping rod presses the clamping plate to fix the retaining cover. The workpiece bar to be processed passes longitudinally through the workpiece through slot. Both the workpiece through slot and the retaining cover are semi-circular structures with their centers coinciding, ensuring that the distance between each part and the bar-shaped workpiece is equal, thus not affecting the passage and rotation of the threading machine's cutting tool.

[0006] Furthermore, the chip protection unit also includes a fixing plate and bolt through holes. A square fixing plate is fixedly connected to the upper part of both the left and right sides of the mounting frame. The fixing plate has two bolt through holes, one at the front and one at the back. The fixing plate and the vertical fixing plate form a T-shaped structure. The T-shaped structure formed by the fixing plate and the mounting frame allows it to be secured inside the threading machine frame. By adding bolts at the bolt through holes, the entire device can be installed and fixed at a designated position on the threading machine.

[0007] Furthermore, the chip guard unit also includes a connecting short shaft and a limiting rod. A vertical connecting short shaft is fixedly connected to the upper front position of the workpiece through slot on the right side. A limiting rod is horizontally rotatably connected to the upper end of the connecting short shaft. The limiting rod presses against the upper side of the clamping plate. There is an interference fit between the connecting short shaft and the limiting rod. The connecting short shaft allows the limiting rod to rotate. When a larger workpiece needs to be placed vertically, the limiting rod can be rotated outward, and then the guard cover can be flipped outward to open. The interference fit gives the limiting rod a large rotational resistance, thereby ensuring the stability of the limiting rod when pressing against the clamping plate.

[0008] Furthermore, the compression and collection unit includes a mounting base, a hydraulic cylinder, and an extrusion plate. The collection box has an L-shaped structure with its lower outlet facing forward. A hydraulic cylinder is fixedly connected to the rear side of the collection box, with its extension end facing inward and fixedly connected to the middle of the rear side of the extrusion plate. The extrusion plate is longitudinally slidably connected inside the horizontal section of the L-shaped collection box. The mounting base supports the lower side of the hydraulic cylinder and remains fixedly connected to the rear side of the collection box. The mounting base is used for mounting the hydraulic cylinder. By pushing the extrusion plate forward, the hydraulic cylinder can compress the filamentous iron filings falling into the collection box, thereby improving the loading capacity of the collection box. The compressed iron filings are also easier to transfer and store subsequently.

[0009] Furthermore, the compression and collection unit also includes a pull-out baffle and a hand-operated groove. A pull-out baffle is vertically slidably connected to the discharge port at the lower front side of the L-shaped collection box. The pull-out baffle is engaged at the discharge port at the front of the collection box, with its lower end engaged in a groove inside the front of the collection box. The upper end of the pull-out baffle extends outwards and has a hand-operated groove in the middle. The lower front section of the L-shaped collection box provides compression space for iron filings. The compressed iron filings gather at the discharge port at the front of the collection box without obstructing subsequent iron filings falling from above. When the pull-out baffle is engaged, it can block the front of the discharge port, ensuring normal compression. After a certain period, when the compressed block is large, the pull-out baffle can be pulled upwards through the hand-operated groove to remove the compressed iron filings.

[0010] Furthermore, the compression and collection unit also includes a movable baffle. A horizontally longitudinal movable baffle is fixedly connected to the upper rear side of the extrusion plate, and the movable baffle is slidably connected to the rear end of the collection box. The movable baffle can move with the extrusion plate, so that when the extrusion plate performs the compression operation, it can catch the falling iron filings. When the extrusion plate returns, the iron filings can fall into the front side of the extrusion plate through the partition of the rear wall of the collection box, thereby preventing iron filings from falling into the rear side of the extrusion plate during the compression process and affecting subsequent compression. This achieves the independence of tapping and iron filings processing, and there is no need to shut down the threading machine during compression.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This scrap recycling device for threading machines has the following advantages: 1. It has a reliable chip protection unit. The protective cover can prevent chips from splashing when the threading machine is running. The bar to be processed passes through the workpiece through slot longitudinally. Both the workpiece through slot and the protective cover are semi-circular structures with their centers coinciding, which can keep the distance between each part and the bar-shaped workpiece equal, so as not to affect the passage and rotation of the threading machine tool. In addition, the connecting shaft allows the protective cover to be flipped outward to facilitate the installation of workpieces with larger diameters. 2. It features a reliable compression and collection unit. Through a unique collection box structure, it can use hydraulic cylinders and extrusion plates to compress the filamentous iron filings falling into the collection box. By compressing the filamentous iron filings into compact blocks, it can improve the loading capacity of the collection box. The compressed iron filings blocks are easy to transfer and store. The pull-out baffle can be pulled upwards through the hand pull groove to remove the compressed iron filings blocks. The movable baffle can prevent iron filings from falling behind the extrusion plate during the compression process and affecting subsequent compression. It can realize the independence of tapping and iron filing processing, without having to shut down the threading machine during compression. 3. This utility model features a reliable chip protection unit. The protective cover prevents chip splashing during threading machine operation. The workpiece bar passes longitudinally through the workpiece slot. Both the workpiece slot and the protective cover are semi-circular with their centers coinciding, ensuring equal distances between all parts and the workpiece, thus preventing interference with the passage and rotation of the threading machine's cutting tool. Furthermore, the connecting shaft allows the protective cover to be flipped open outwards for easy installation of larger diameter workpieces. It also features a reliable compression and collection unit, utilizing a unique collection box structure... The structure utilizes hydraulic cylinders and extrusion plates to compress filamentous iron filings falling into the collection box. By compressing the filamentous iron filings into compact blocks, the loading capacity of the collection box is improved, and the compressed iron filing blocks are easier to transfer and store later. The pull-out baffle can be pulled upwards via a hand-pull groove to remove the compressed iron filing blocks. The movable baffle prevents iron filings from falling behind the extrusion plate during the compression process and affecting subsequent compression, achieving independence between tapping and iron filing processing, without needing to shut down the tapping machine during compression. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the iron chip guard unit in this utility model; Figure 3 This is a partial sectional view of the side of this utility model.

[0013] In the diagram: 1. Mounting bracket, 2. Collection box, 3. Iron chip guard unit, 31. Shaft body clamping block, 32. Guard cover, 33. Connecting shaft, 34. Clamping plate, 35. Connecting short shaft, 36. Limiting rod, 37. Fixing plate, 38. Bolt through hole, 39. Workpiece through groove, 4. Compression collection unit, 41. Mounting base, 42. Hydraulic cylinder, 43. Extrusion plate, 44. Pull-out baffle, 45. Movable baffle, 46. Hand-operated groove. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figures 1-3 This embodiment provides a technical solution: a scrap recycling device for a wire threading machine, including a mounting frame 1, a scrap protection unit 3, and a compression and collection unit 4; Mounting frame 1: It is a square frame with a material collection box 2 fixedly connected to the lower end; Iron chip guard unit 3: includes shaft clamping block 31, guard cover 32, connecting shaft 33, clamping plate 34 and workpiece through groove 39. The upper left side of the mounting frame 1 is fixedly connected to the front and rear shaft clamping blocks 31. A connecting shaft 33 is rotatably connected between the front and rear shaft clamping blocks 31. The connecting shaft 33 is fixedly connected to the inside of the left end of the guard cover 32. The guard cover 32 is a semi-circular arc-shaped cover, and a section of clamping plate 34 is fixedly connected to its left end. The clamping plate 34 fits against the upper end of the mounting frame 1. A semi-circular workpiece through groove 39 is opened through the middle of the mounting frame 1, and the center of the workpiece through groove 39 coincides with the center of the guard cover 32. Compression collection unit 4: installed inside the collection box 2 and on both the front and rear sides.

[0016] The guard cover 32 prevents iron filings from flying during the operation of the threading machine. The shaft block 31 is used to install and secure the connecting shaft 33. The connecting shaft 33 allows the guard cover 32 to be flipped outward to facilitate the installation of workpieces with larger diameters. The limiting rod 36 fixes the guard cover 32 by pressing the clamping plate 34. The workpiece bar to be processed passes longitudinally through the inside of the workpiece through groove 39. Both the workpiece through groove 39 and the guard cover 32 are semi-circular structures with their centers coinciding, which can keep the distance between each part and the bar-shaped workpiece equal, so as not to affect the passage and rotation of the threading machine tool.

[0017] The scrap protection unit 3 also includes a fixing plate 37 and bolt through holes 38. A square fixing plate 37 is fixedly connected to the upper position on both the left and right sides of the mounting frame 1. The fixing plate 37 has two bolt through holes 38, one at the front and one at the back. The fixing plate 37 and the vertical fixing plate 37 form a T-shaped structure. The T-shaped structure formed by the fixing plate 37 and the mounting frame 1 allows it to be secured inside the threading machine frame. Furthermore, by adding bolts at the bolt through holes 38, the entire device can be installed and fixed at a designated position on the threading machine.

[0018] The chip guard unit 3 also includes a connecting short shaft 35 and a limiting rod 36. A vertical connecting short shaft 35 is fixedly connected to the upper front position of the workpiece through slot 39 on the right side. A limiting rod 36 is horizontally rotatably connected to the upper end of the connecting short shaft 35. The limiting rod 36 presses against the upper side of the clamping plate 34. There is an interference fit between the connecting short shaft 35 and the limiting rod 36. The connecting short shaft 35 allows the limiting rod 36 to rotate. When a larger workpiece needs to be placed vertically, the limiting rod 36 can be rotated outwards, and then the guard cover 32 can be flipped open outwards. The interference fit provides the limiting rod 36 with high rotational resistance, thereby ensuring the stability of the limiting rod 36 when pressing against the clamping plate 34.

[0019] The compression and collection unit 4 includes a mounting base 41, a hydraulic cylinder 42, and an extrusion plate 43. The collection box 2 has an L-shaped structure with its lower outlet facing forward. The hydraulic cylinder 42 is fixedly connected to the rear side of the collection box 2, with its telescopic end facing inward and fixedly connected to the middle of the rear side of the extrusion plate 43. The extrusion plate 43 is longitudinally slidably connected inside the horizontal section of the L-shaped collection box 2. The mounting base 41 supports the lower side of the hydraulic cylinder 42 and remains fixedly connected to the rear side of the collection box 2. The mounting base 41 is used for mounting the hydraulic cylinder 42. By pushing the extrusion plate 43 forward, the hydraulic cylinder 42 can compress the filamentous iron filings falling into the collection box 2, thereby improving the loading capacity of the collection box 2. The compressed iron filings are also easier to transfer and store later.

[0020] The compression and collection unit 4 also includes a pull-out baffle 44 and a hand-operated groove 46. A pull-out baffle 44 is vertically slidably connected to the discharge port at the lower front side of the L-shaped collection box 2. The pull-out baffle 44 is locked at the discharge port at the front end of the collection box 2. The lower end of the pull-out baffle 44 is locked in a groove opened inside the front end of the collection box 2. The upper end of the pull-out baffle 44 extends outward and has a hand-operated groove 46 in the middle. The lower front section of the L-shaped collection box 2 can provide a compression space for iron filings. The compressed iron filings gather at the discharge port at the front end of the collection box 2 and do not obstruct the iron filings falling from above. When the pull-out baffle 44 is locked in place, it can block the front end of the discharge port to ensure normal compression. When the compressed block is large after a certain period of time, the pull-out baffle 44 can be pulled upward through the hand-operated groove 46 to remove the compressed iron filings.

[0021] The compression and collection unit 4 also includes a movable baffle 45. A horizontally longitudinal movable baffle 45 is fixedly connected to the upper rear side of the extrusion plate 43. The movable baffle 45 is slidably connected to the rear end of the collection box 2. The movable baffle 45 can move with the extrusion plate 43, so that when the extrusion plate 43 performs the compression operation, it can catch the falling iron filings. When the extrusion plate 43 returns, the iron filings can fall into the front side of the extrusion plate 43 through the partition of the rear wall of the collection box 2. This avoids the iron filings falling into the rear side of the extrusion plate 43 during the compression process and affecting the subsequent compression. It realizes the independence of tapping and iron filings processing, and there is no need to shut down the threading machine during compression.

[0022] The working principle of the scrap recycling device for a threading machine provided by this utility model is as follows: The T-shaped structure formed by the fixing plate 37 and the mounting bracket 1 can be locked inside the threading machine frame, and the device can be installed and fixed at the designated position on the threading machine by adding bolts at the bolt through holes 38; the material bar to be processed passes through the workpiece through groove 39 longitudinally. The workpiece through groove 39 and the guard cover 32 are both semi-circular structures with their centers coinciding, which can keep the distance between each part and the bar-shaped workpiece equal, so as not to affect the passage and rotation of the threading machine cutter. The retaining cover 32 prevents iron filings from flying during the threading machine operation. The shaft block 31 is used to install and secure the connecting shaft 33. The connecting shaft 33 allows the retaining cover 32 to be flipped open outwards, facilitating the installation of workpieces with larger diameters. The limiting rod 36 presses the clamping plate 34 to fix the retaining cover 32. The connecting short shaft 35 allows the limiting rod 36 to rotate. When a larger workpiece needs to be installed vertically, the limiting rod 36 can be rotated outwards, and then the retaining cover 32 can be flipped open outwards. The interference fit gives the limiting rod 36 a large rotational resistance, thereby ensuring the stability of the limiting rod 36 when pressing the clamping plate 34. This device also has a reliable compression and collection unit 4. The mounting base 41 is used for the installation of the hydraulic cylinder 42. The hydraulic cylinder 42 can compress the filamentous iron filings falling into the collection box 2 by pushing the extrusion plate 43 forward, thereby improving the loading capacity of the collection box 2. The compressed iron filings block is easy to transfer and store later. The lower front section of the L-shaped collection box 2 can provide compression space for iron filings. The compressed iron filings gather at the discharge port at the front end of the collection box 2 and do not obstruct the iron filings falling from above. When the pull-out baffle 44 is locked in place, it can block the front end of the discharge port to ensure normal compression. When the compressed block is large after a certain period of time, the pull-out baffle 44 can be pulled upward through the hand pull groove 46 to remove the compressed iron filings block. In addition, the movable baffle 45 can move with the extrusion plate 43, so that when the extrusion plate 43 performs the compression operation, it can catch the falling iron filings. When the extrusion plate 43 returns, the iron filings can fall into the front side of the extrusion plate 43 through the partition of the rear wall of the collection box 2. This avoids the iron filings falling into the rear side of the extrusion plate 43 during the compression process and affecting the subsequent compression. This achieves the independence of tapping and iron filings processing, and there is no need to shut down the threading machine during compression.

[0023] It is worth noting that the input end of the hydraulic cylinder 42 disclosed in the above embodiments is electrically connected to an external power supply through an external control switch group, and the control switch group controls the operation of the hydraulic cylinder 42 using a method commonly used in the prior art.

[0024] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A swarf recovery device for a threading machine characterised in that: It includes a mounting bracket (1), a scrap guard unit (3), and a compression and collection unit (4); Mounting frame (1): It is a square frame with a collection box (2) fixedly connected at the bottom. Iron chip guard unit (3): includes shaft block (31), guard cover (32), connecting shaft (33), clamping plate (34) and workpiece through groove (39). The upper left side of the mounting frame (1) is fixedly connected to the front and rear shaft blocks (31). A connecting shaft (33) is rotatably connected between the front and rear shaft blocks (31). The connecting shaft (33) is fixedly connected to the left end of the guard cover (32). The guard cover (32) is a semi-circular arc-shaped cover, and a clamping plate (34) is fixedly connected to its left end. The clamping plate (34) is in contact with the upper end of the mounting frame (1). A semi-circular workpiece through groove (39) is opened through the middle of the mounting frame (1), and the center of the workpiece through groove (39) coincides with the center of the guard cover (32). Compression collection unit (4): installed inside the collection box (2) and on the front and back sides.

2. A swarf recovery device for a wire drawing machine according to claim 1, characterised in that: The scrap protection unit (3) also includes a fixing plate (37) and bolt through holes (38). A square fixing plate (37) is fixedly connected to the upper position on both sides of the mounting bracket (1). The fixing plate (37) has two bolt through holes (38) in the front and back. The fixing plate (37) and the vertical fixing plate (37) form a T-shaped structure.

3. A swarf recovery device for a wire drawing machine according to claim 1, characterised in that: The chip guard unit (3) also includes a connecting short shaft (35) and a limiting rod (36). A vertical connecting short shaft (35) is fixedly connected to the upper end of the workpiece through groove (39) on the right side. A limiting rod (36) is horizontally rotatably connected to the upper end of the connecting short shaft (35). The limiting rod (36) presses against the upper side of the clamping plate (34). The connecting short shaft (35) and the limiting rod (36) are interference-fitted.

4. A swarf recovery device for a wire drawing machine according to claim 1, characterised in that: The compression collection unit (4) includes a mounting base (41), a hydraulic cylinder (42), and an extrusion plate (43). The collection box (2) has an L-shaped structure, and the discharge port at its lower end faces forward longitudinally. The hydraulic cylinder (42) is fixedly connected to the rear side of the collection box (2). The telescopic end of the hydraulic cylinder (42) faces inward and is fixedly connected to the middle of the rear side of the extrusion plate (43). The extrusion plate (43) is longitudinally slidably connected inside the horizontal section of the L-shaped collection box (2). The mounting base (41) is supported on the lower side of the hydraulic cylinder (42) and is fixedly connected to the rear side of the collection box (2).

5. A swarf recovery device for a wire drawing machine according to claim 4, wherein: The compression collection unit (4) also includes a pull-out baffle (44) and a hand-pull groove (46). The discharge port at the lower front of the L-shaped collection box (2) is vertically slidably connected by a pull-out baffle (44). The pull-out baffle (44) is locked at the discharge port at the front end of the collection box (2). The lower end of the pull-out baffle (44) is locked in a slot opened inside the front end of the collection box (2). The upper end of the pull-out baffle (44) extends outward and a hand-pull groove (46) is opened in the middle.

6. A swarf recovery device for a wire drawing machine according to claim 5, wherein: The compression collecting unit (4) further comprises a movable baffle (45), the upper end rear side of the extrusion plate (43) is fixedly connected with a horizontal longitudinal movable baffle (45), and the movable baffle (45) is in sliding connection with the rear end of the aggregate collecting box (2).