CN219336021U

CN219336021U - Internal expansion type beveling machine

Info

Publication number: CN219336021U
Application number: CN202320632986.9U
Authority: CN
Inventors: 李鹏飞; 左海清; 张昀
Original assignee: Wenzhou Shenrui Machinery Equipment Co ltd
Current assignee: Wenzhou Shenrui Machinery Equipment Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-07-14
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses an internal expansion type beveling machine which comprises a motor, a main shaft box, a gear box, a speed reducing mechanism, a cutter disc, a clamp and a feeding mechanism, wherein the speed reducing mechanism is arranged in the gear box and the main shaft box, the motor is arranged on one side of the gear box and connected with the input end of the speed reducing mechanism, the main shaft box and the gear box are connected and communicated with each other, the cutter disc is arranged on the main shaft box and connected with the output end of the speed reducing mechanism, a beveling cutter is arranged on the cutter disc in a floating mode, a cutting part and a positioning bearing are arranged on the beveling cutter, the positioning bearing clings to the inner wall of a pipe during processing, and a part to be cut is positioned between the cutting part and the positioning bearing. During cutting, the cutting part of the bevel blade is machined from the outer wall, the positioning bearing is tightly attached to the inner wall of the pipe, positioning is provided for the bevel blade, the occurrence of vibration blade and other conditions is reduced, the machined bevel is smoother, and the positioning bearing can provide supporting force for the pipe from the inner side, so that the pipe is not easy to deform and damage during machining.

Description

Internal expansion type beveling machine

Technical Field

The utility model relates to the field of processing equipment, in particular to an internal expansion type beveling machine.

Background

The beveling machine is a common device before welding, is used for machining a bevel on a material and is convenient to weld. In the existing pipe beveling machine, a clamp is generally used for clamping a pipe, and then a beveling cutter on a rotary cutter disc is used for cutting the pipe. However, the pipe is generally thin, and is easy to deform during processing, and only the bevel blade contacts the pipe during processing, so that the conditions such as vibration blade and the like are easy to occur, and the flatness of the bevel is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an internal expanding beveling machine which comprises a motor, a main shaft box, a gear box, a speed reducing mechanism, a cutter disc, a clamp and a feeding mechanism, wherein the speed reducing mechanism is arranged in the gear box and the main shaft box, the motor is arranged on one side of the gear box and is connected with the input end of the speed reducing mechanism, the main shaft box and the gear box are connected and communicated with each other, the cutter disc is arranged on the main shaft box and is connected with the output end of the speed reducing mechanism, a beveling cutter is arranged on the cutter disc, the beveling cutter is arranged on the cutter disc in a floating mode, a cutting part and a positioning bearing are arranged on the beveling cutter, the positioning bearing is clung to the inner wall of a pipe during processing, and a cut part is positioned between the cutting part and the positioning bearing.

Preferably, the cutter head comprises a bottom frame, a sliding block, a floating spring, a floating bolt and a locking bolt for locking the sliding block, wherein a sliding rail is arranged on the bottom frame, the sliding block is arranged on the sliding rail, a sliding groove is arranged on the sliding block, the floating block can be slidably arranged in the sliding groove, one side of the sliding groove is connected with a baffle plate, a guide hole is formed in the baffle plate, the floating bolt penetrates through the guide hole to be connected with the floating block, the floating spring is arranged between the baffle plate and the floating bolt so as to tighten the floating block, and the bevel blade and the positioning bearing are arranged on the floating block.

Preferably, the fixture comprises a first chuck, a second chuck, a pull rod, a clamping nut and at least three groups of clamping blocks, wherein the first chuck is fixedly arranged on a main shaft, the second chuck is arranged on the main shaft and can axially move along the main shaft, the outer walls of the first chuck and the second chuck are provided with inclined grooves with the quantity being matched with that of the clamping blocks, the clamping blocks are provided with inclined planes, the three groups of clamping blocks are connected with the first chuck and the second chuck through the inclined grooves, the pull rod is fixedly connected with the second chuck, and the clamping nut is arranged on the main shaft box and is connected with the pull rod so as to drive the pull rod to axially move.

Preferably, the feeding mechanism comprises a ratchet wheel, a ratchet wheel wrench, a transmission sleeve and a lifting table, wherein the lifting table is installed at one end of the main shaft box in a lifting manner, the cutter head is installed on the lifting table, the transmission sleeve is rotatably installed in the main shaft box, a first lifting thread and the ratchet wheel are arranged on the transmission sleeve, the ratchet wheel wrench is rotatably installed on the main shaft box and connected with the ratchet wheel, the ratchet wheel is driven to rotate, a second lifting thread is arranged on the lifting table, the first lifting thread is matched with the second lifting thread, and the lifting table is driven to lift when the transmission sleeve rotates.

Preferably, the reduction mechanism is a planetary gear mechanism.

Preferably, a cushion block is arranged on the other side of the cutter disc, which is opposite to the bevel edge.

The utility model has the beneficial effects that: during cutting, the cutting part of the bevel blade is machined from the outer wall, the positioning bearing is tightly attached to the inner wall of the pipe, positioning is provided for the bevel blade, the occurrence of vibration blade and other conditions is reduced, the machined bevel is smoother, and the positioning bearing can provide supporting force for the pipe from the inner side, so that the pipe is not easy to deform and damage during machining.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a block diagram of a bevel blade;

FIG. 3 is a cut-away view of the present utility model;

fig. 4 is a block diagram of the mark of fig. 3.

Detailed Description

The utility model will be further described in detail with reference to examples of embodiments shown in the drawings.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an interior expanding beveling machine, including motor 1, main shaft 2, headstock 3, gear box 4, reducing mechanism 5, cutterhead 6, anchor clamps 7 and feed mechanism 8, be provided with reducing mechanism 5 in gear box 4 and the headstock 3, motor 1 installs in one side of gear box 4 and is connected with the input of reducing mechanism 5, headstock 3 and gear box 4 are connected and communicate each other, cutterhead 6 is installed at headstock 3 and is connected with the output of reducing mechanism 5, install bevel blade 61 on cutterhead 6, bevel blade 61 installs on cutterhead 6 in a floating way, be provided with cutting portion and locating bearing 62 on bevel blade 61, during the processing, locating bearing 62 hugs closely the tubular product inner wall, by the chip part location between cutting portion and locating bearing 62.

During processing, the motor 1 drives the cutter disc 6 to rotate through the speed reducing mechanism 5, the bevel cutter 61 rotates along with the cutter disc 6, the pipe is externally cut on the pipe, and a bevel is processed. Through the floating setting of groove sword 61 and location bearing 62, when cutting, the cutting part of groove sword 61 is processed from the outer wall, and the pipe inner wall is hugged closely to location bearing 62, provides the location for groove sword 61, reduces the emergence of the condition such as sword that shakes, makes the groove of processing more level and smooth, and location bearing 62 can provide holding power for the pipe from the inboard, makes the pipe be difficult to warp, damage when processing.

Further, the cutterhead 6 comprises a chassis 63, a sliding block 64, a floating block 65, a floating spring 66, a floating bolt 67 and a locking bolt for locking the sliding block 64, wherein a sliding rail is arranged on the chassis 63, the sliding block 64 is arranged on the sliding rail, a sliding groove is arranged on the sliding block 64, the floating block 65 is slidably arranged in the sliding groove, one side of the sliding groove is connected with a baffle 68, a guide hole is formed in the baffle 68, the floating bolt 67 penetrates through the guide hole to be connected with the floating block 65, the floating spring 66 is arranged between the baffle 68 and the floating bolt 67 to tighten the floating block 65, and the bevel cutter 61 and the positioning bearing 62 are arranged on the floating block 65.

After the pipe is clamped by the clamp 7, the sliding block 64 is moved according to the size of the pipe, the bevel blade 61 and the positioning bearing 62 are aligned to a processing part, then the sliding block 64 is locked by a locking bolt, the cutter disc 6 is lifted by the feeding mechanism 8, the bevel blade 61 and the positioning bearing 62 are positioned, the floating spring 66 pulls the floating block 65, the positioning bearing 62 is always attached to the inner wall of the pipe, the positioning bearing 62 rotates along the inner wall of the pipe along with the rotation of the cutter disc 6, and the bevel blade 61 also moves along the moving track of the positioning bearing 62, so that a flat bevel is processed on the pipe.

Further, the clamp 7 comprises a first chuck 71, a second chuck 72, a pull rod 73, a clamping nut 74 and at least three groups of clamping blocks 75, the first chuck 71 is fixedly mounted on the spindle 2, the second chuck 72 is mounted on the spindle 2 and is arranged to be axially movable along the spindle 2, the outer walls of the first chuck 71 and the second chuck 72 are provided with inclined grooves with the clamping blocks 75 in number, inclined surfaces are arranged on the clamping blocks 75, the three groups of clamping blocks 75 are connected with the first chuck 71 and the second chuck 72 through the inclined grooves, the pull rod 73 is fixedly connected with the second chuck 72, and the clamping nut 74 is mounted on the spindle box 3 and connected with the pull rod 73 to drive the pull rod 73 to axially move.

When clamping the pipe, an operator firstly puts the pipe outside the three groups of clamping blocks 75, then rotates the clamping nuts 74, the clamping nuts 74 drive the pull rods 73, the pull rods 73 drive the second clamping plates 72 to be close to the first clamping plates 71, and the clamping blocks 75 are pushed out to clamp the pipe through the matching of inclined planes and inclined grooves.

Further, the feeding mechanism 8 comprises a ratchet 81, a ratchet wrench 83, a transmission sleeve 84 and a lifting table 85, the lifting table 85 is installed at one end of the spindle box 3 in a lifting manner, the cutter disc 6 is installed on the lifting table 85, the transmission sleeve 84 is rotatably installed in the spindle box 3, a first lifting thread and the ratchet 81 are arranged on the transmission sleeve 84, the ratchet wrench 83 is rotatably installed on the spindle box 3 and is connected with the ratchet 81, so that the ratchet 81 is driven to rotate, a second lifting thread is arranged on the lifting table 85, the first lifting thread is matched with the second lifting thread, and the lifting table 85 is driven to lift when the transmission sleeve 84 rotates.

During machining, an operator pulls the ratchet wrench 83 to drive the ratchet 81 to rotate, the ratchet 81 drives the transmission sleeve 84 to rotate, and the transmission sleeve 84 drives the lifting table 85 to lift, so that the cutter disc 6 and the bevel blade 61 are close to a pipe and cut the pipe. After the machining is completed, an operator pulls the ratchet wrench 83 reversely to enable the cutter disc 6 and the bevel blade 61 to leave the pipe, and the pipe is convenient to detach.

Further, the reduction mechanism 5 is a planetary gear mechanism. By the arrangement of the planetary gear mechanism, a larger torque can be provided, and the torque is more stable, so that stable power is provided for the bevel blade 61.

Further, the other side of the cutter disc 6 opposite to the bevel blade 61 is provided with the cushion block 9, and through the arrangement of the cushion block 9, the pipe can be supported on the other side, so that the stress of the pipe is uniform during processing, and the local overlarge stress of the pipe is avoided.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides an interior expanding beveling machine, includes motor (1), main shaft (2), headstock (3), gear box (4), reduction gears (5), blade disc (6), anchor clamps (7) and feed mechanism (8), be provided with reduction gears (5) in gear box (4) and headstock (3), motor (1) are installed in one side of gear box (4) and are connected with the input of reduction gears (5), headstock (3) and gear box (4) are connected and intercommunicate, blade disc (6) are installed in headstock (3) and are connected with the output of reduction gears (5), install bevel edge (61) on blade disc (6), its characterized in that: the bevel cutter (61) is arranged on the cutter head (6) in a floating mode, a cutting part and a positioning bearing (62) are arranged on the bevel cutter (61), and when in machining, the positioning bearing (62) is tightly attached to the inner wall of a pipe, and a part to be cut is positioned between the cutting part and the positioning bearing (62).

2. The internal expanding beveling machine of claim 1 wherein: the cutter disc (6) comprises a bottom frame (63), a sliding block (64), a floating block (65), a floating spring (66), a floating bolt (67) and a locking bolt for locking the sliding block (64), wherein a sliding rail is arranged on the bottom frame (63), the sliding block (64) is arranged on the sliding rail, a sliding groove is arranged on the sliding block (64), the sliding block (65) is slidably arranged in the sliding groove, one side of the sliding groove is connected with a baffle plate (68), a guide hole is formed in the baffle plate (68), the floating bolt (67) penetrates through the guide hole and is connected with the floating block (65), the floating spring (66) is arranged between the baffle plate (68) and the floating bolt (67) to tighten the floating block (65), and the bevel cutter (61) and the positioning bearing (62) are arranged on the floating block (65).

3. The internal expanding beveling machine of claim 1 wherein: the fixture (7) comprises a first chuck (71), a second chuck (72), a pull rod (73), a clamping nut (74) and at least three groups of clamping blocks (75), wherein the first chuck (71) is fixedly arranged on a main shaft (2), the second chuck (72) is arranged on the main shaft (2) and can axially move along the main shaft (2), the outer walls of the first chuck (71) and the second chuck (72) are provided with inclined grooves with the quantity being matched with the clamping blocks (75), the clamping blocks (75) are provided with inclined planes, the three groups of clamping blocks (75) are connected with the first chuck (71) and the second chuck (72) through the inclined grooves, the pull rod (73) is fixedly connected with the second chuck (72), and the clamping nut (74) is arranged on the main shaft box (3) and is connected with the pull rod (73) to drive the pull rod (73) to axially move.

4. The internal expanding beveling machine of claim 1 wherein: feed mechanism (8) include ratchet (81), ratchet spanner (83), drive sleeve (84) and elevating platform (85), elevating platform (85) liftable install the one end at headstock (3), blade disc (6) are installed on elevating platform (85), drive sleeve (84) rotatable install in headstock (3), be provided with first lift screw thread and ratchet (81) on drive sleeve (84), ratchet spanner (83) rotatable install on headstock (3) and be connected with ratchet (81) to drive ratchet (81) rotation, be provided with the second lift screw thread on elevating platform (85), first lift screw thread cooperates with the second lift screw thread, drives elevating platform (85) when drive sleeve (84) rotate and goes up and down.

5. The internal expanding beveling machine of claim 1 wherein: the speed reducing mechanism (5) is a planetary gear mechanism.

6. The internal expanding beveling machine of claim 1 wherein: the other side of the cutter disc (6) opposite to the bevel edge (61) is provided with a cushion block (9).