Lathe tool capable of machining multiple cover plates simultaneously

Abstract

The utility model relates to a lathe tool for simultaneously machining a plurality of cover plates. The lathe tool comprises a bottom plate and a positioning sleeve which are coaxially fixed together, a plurality of single-point pressing plate assembly mounting planes distributed at intervals in the circumferential direction of the outer circle of the positioning sleeve are arranged on the outer circle of one end of the positioning sleeve, and a single-point pressing plate assembly is mounted on each single-point pressing plate assembly mounting plane. A plurality of double-point pressing plate assembly mounting planes which are distributed at intervals in the circumferential direction of the outer circle of the positioning sleeve are arranged on the outer circle of the other end of the positioning sleeve, and a group of double-point pressing plate assemblies are mounted on each double-point pressing plate assembly mounting plane; positioning pins are fixed on the positioning sleeve between the double-point pressing plate assembly and the single-point pressing plate assembly which are correspondingly matched with each other, and a turning block assembly is installed on the positioning sleeve between two corresponding adjacent positioning pins. The tool is simple in structure, low in manufacturing cost and easy and convenient to operate, and the machining time and the tool cost can be greatly reduced by using the tool.

Description

Technical Field

[0001] The utility model relates to a lathe tool, and specifically discloses a lathe tool for processing a plurality of cover plates simultaneously. Background Art

[0002] The cover plate 7 is a component for a well completion tool in the oil and gas industry. At present, the upper end arc of the boss 7.1 of the cover plate 7 is often processed by milling, which takes a long time to process, causes rapid wear of the tool, and results in high processing costs. Summary of the invention

[0003] The utility model aims to overcome the deficiencies in the prior art and provide a lathe tooling which can process multiple parts at the same time, improve the parts processing efficiency and reduce tool wear.

[0004] According to the technical solution provided by the utility model, the lathe tooling for processing multiple cover plates at the same time comprises a bottom plate and a positioning sleeve fixed together coaxially; a plurality of single-point pressure plate assembly mounting planes spaced apart along the circumferential direction of the outer circle of the positioning sleeve are provided on the outer circle of one end of the positioning sleeve, a group of single-point pressure plate assembly mounting planes are installed on each single-point pressure plate assembly mounting plane, a plurality of double-point pressure plate assembly mounting planes spaced apart along the circumferential direction of the outer circle of the positioning sleeve are provided on the outer circle of the other end of the positioning sleeve, a group of double-point pressure plate assembly mounting planes are installed on each double-point pressure plate assembly mounting plane, the number of double-point pressure plate assembly is equal to the number of single-point pressure plate assembly, and in the length direction of the positioning sleeve, the double-point pressure plate assembly cooperates with the single-point pressure plate assembly;

[0005] A positioning pin is fixed on the positioning sleeve between the corresponding double-point pressure plate assembly and the single-point pressure plate assembly, the outer end of the positioning pin extends out of the outer circle of the positioning sleeve, and the axis of the positioning pin is arranged along the radial direction of the positioning sleeve;

[0006] A rotation block assembly is installed on the positioning sleeve between two adjacent positioning pins.

[0007] Preferably, the single-point pressure plate assembly comprises a single-point pressure plate, a first single-point pressure plate bolt and a second single-point pressure plate bolt, a single-point pressure plate protrusion is provided on the lower surface of the single-point pressure plate near one end of the double-point pressure plate assembly, a first single-point pressure plate mounting hole and a second single-point pressure plate mounting hole penetrating the upper and lower surfaces of the single-point pressure plate are provided on the single-point pressure plate, the first single-point pressure plate mounting hole is an internal threaded hole, the second single-point pressure plate mounting hole is a waist-shaped light hole, the first single-point pressure plate bolt is installed in the first single-point pressure plate mounting hole, the bolt head end face of the first single-point pressure plate bolt contacts the mounting plane of the single-point pressure plate assembly, the second single-point pressure plate bolt is installed in the second single-point pressure plate mounting hole, a second single-point pressure plate bolt mounting hole cooperating with the stud part of the second single-point pressure plate bolt is provided on the positioning sleeve, and the stud part of the second single-point pressure plate bolt is installed in the second single-point pressure plate bolt mounting hole;

[0008] The first bolt of the single-point pressure plate is far away from the double-point pressure plate assembly, and the second bolt of the single-point pressure plate is close to the double-point pressure plate assembly.

[0009] Preferably, the double-point pressure plate assembly comprises a double-point pressure plate, a first double-point pressure plate bolt and a second double-point pressure plate bolt, two double-point pressure plate protrusions are provided on the lower surface of the double-point pressure plate near one end of the single-point pressure plate assembly, a first double-point pressure plate mounting hole and a second double-point pressure plate mounting hole penetrating the upper and lower surfaces of the double-point pressure plate are provided on the double-point pressure plate, the first double-point pressure plate mounting hole is an internal threaded hole, the second double-point pressure plate mounting hole is a waist-shaped light hole, the first double-point pressure plate bolt is installed in the first mounting hole of the double-point pressure plate, the bolt head end face of the first double-point pressure plate bolt contacts the mounting plane of the double-point pressure plate assembly, the second double-point pressure plate bolt is installed in the second mounting hole of the double-point pressure plate, a second double-point pressure plate bolt mounting hole cooperating with the stud part of the second double-point pressure plate bolt is provided on the positioning sleeve, and the stud part of the second double-point pressure plate bolt is installed in the second bolt mounting hole of the double-point pressure plate;

[0010] The first bolt of the double-point pressure plate is far away from the single-point pressure plate assembly, and the second bolt of the double-point pressure plate is close to the single-point pressure plate assembly.

[0011] Preferably, the rotary block assembly comprises a triangular rotary block, a rotary block base, a spring seat and a spring; a rotary block assembly mounting hole is provided on the positioning sleeve between two adjacent positioning pins, the center line of the rotary block assembly mounting hole is arranged along the radial direction of the positioning sleeve, the rotary block assembly mounting hole is a stepped hole, the large head end of the rotary block assembly mounting hole is facing away from the axis of the positioning sleeve, and the small head end of the rotary block assembly mounting hole is facing the axis of the positioning sleeve;

[0012] A directional block base is provided in the large head end of the directional block assembly mounting hole, and the outer circle of the directional block base is clearance matched with the inner wall of the large head end of the directional block assembly mounting hole, and a triangular directional block is fixed to the outer end of the directional block base, and the width of the outer end of the directional block is greater than the width of the large head end of the directional block assembly mounting hole, and a spring seat is fixed to the inner end of the directional block base, and the outer circle of the spring seat is clearance matched with the inner wall of the small head end of the directional block assembly mounting hole, and a spring is installed on the spring seat.

[0013] The utility model has the advantages of simple structure, low manufacturing cost and easy operation, and the use of the utility model can greatly reduce the processing time and tool cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the utility model in use state.

[0015] Figure 2 It is a right side view of the utility model in use state.

[0016] Figure 3 It is a stereogram of the utility model.

[0017] Figure 4 It is a cross-sectional view of a single-point pressing plate assembly and a double-point pressing plate assembly in the utility model.

[0018] Figure 5 It is a cross-sectional view of a positioning pin and a rotation block assembly in the utility model. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with specific embodiments.

[0020] A lathe tooling for processing multiple cover plates simultaneously, such as Figure 1-3 As shown, it comprises a base plate 1 and a positioning sleeve 2 fixed together coaxially; a plurality of single-point pressure plate assembly mounting planes 2.1 are arranged on the outer circle of one end of the positioning sleeve 2 and are spaced apart along the circumferential direction of the outer circle of the positioning sleeve 2, and a group of single-point pressure plate assembly 3 is installed on each single-point pressure plate assembly mounting plane 2.1; a plurality of double-point pressure plate assembly mounting planes 2.2 are arranged on the outer circle of the other end of the positioning sleeve 2 and are spaced apart along the circumferential direction of the outer circle of the positioning sleeve 2, and a group of double-point pressure plate assembly 4 is installed on each double-point pressure plate assembly mounting plane 2.2, the number of double-point pressure plate assembly 4 is equal to the number of single-point pressure plate assembly 3, and in the length direction of the positioning sleeve 2, the double-point pressure plate assembly 4 and the single-point pressure plate assembly 3 cooperate with each other;

[0021] A positioning pin 5 is fixed on the positioning sleeve 2 between the correspondingly matched double-point pressure plate assembly 4 and the single-point pressure plate assembly 3, the outer end of the positioning pin 5 extends out of the outer circle of the positioning sleeve 2, and the axis of the positioning pin 5 is arranged along the radial direction of the positioning sleeve 2;

[0022] A rotation block assembly 6 is installed on the positioning sleeve 2 between two adjacent positioning pins 5 .

[0023] like Figure 4 As shown, the single-point pressure plate assembly 3 includes a single-point pressure plate 3.1, a first single-point pressure plate bolt 3.2 and a second single-point pressure plate bolt 3.3. A single-point pressure plate protrusion 3.11 is provided on the lower surface of the single-point pressure plate 3.1 near one end of the double-point pressure plate assembly 4. A single-point pressure plate first mounting hole and a single-point pressure plate second mounting hole are provided on the single-point pressure plate 3.1, which penetrate through the upper and lower surfaces thereof. The first single-point pressure plate mounting hole is an internal threaded hole, and the second single-point pressure plate mounting hole is a waist-shaped light hole. A single-point pressure plate first bolt 3.2 is installed in the first mounting hole, and the bolt head end face of the single-point pressure plate first bolt 3.2 contacts the single-point pressure plate assembly mounting plane 2.1. A single-point pressure plate second bolt 3.3 is installed in the single-point pressure plate second mounting hole, and a single-point pressure plate second bolt mounting hole 2.3 matching with the stud part of the single-point pressure plate second bolt 3.3 is opened on the positioning sleeve 2, and the stud part of the single-point pressure plate second bolt 3.3 is installed in the single-point pressure plate second bolt mounting hole 2.3;

[0024] The first bolt 3.2 of the single-point pressure plate is far away from the double-point pressure plate assembly 4, and the second bolt 3.3 of the single-point pressure plate is close to the double-point pressure plate assembly 4.

[0025] like Figure 4 As shown, the double-point pressure plate assembly 4 includes a double-point pressure plate 4.1, a first double-point pressure plate bolt 4.2 and a second double-point pressure plate bolt 4.3. Two double-point pressure plate protrusions 4.11 are provided on the lower surface of the double-point pressure plate 4.1 near one end of the single-point pressure plate assembly 3. The double-point pressure plate 4.1 is provided with a first double-point pressure plate mounting hole and a second double-point pressure plate mounting hole that penetrate through the upper and lower surfaces thereof. The first double-point pressure plate mounting hole is an internal threaded hole, and the second double-point pressure plate mounting hole is a waist-shaped light hole. A double-point pressure plate first bolt 4.2 is installed in the first installation hole, and the bolt head end face of the double-point pressure plate first bolt 4.2 contacts the double-point pressure plate assembly installation plane 2.2. A double-point pressure plate second bolt 4.3 is installed in the double-point pressure plate second installation hole, and a double-point pressure plate second bolt installation hole 2.4 matching with the stud part of the double-point pressure plate second bolt 4.3 is opened on the positioning sleeve 2, and the stud part of the double-point pressure plate second bolt 4.3 is installed in the double-point pressure plate second bolt installation hole 2.4;

[0026] The first bolt 4.2 of the double-point pressure plate is far away from the single-point pressure plate assembly 3, and the second bolt 4.3 of the double-point pressure plate is close to the single-point pressure plate assembly 3.

[0027] like Figure 5As shown, the rotation block assembly 6 includes a triangular rotation block 6.1, a rotation block base 6.2, a spring seat 6.3 and a spring 6.4; a rotation block assembly mounting hole 2.5 is provided on the positioning sleeve 2 between two adjacent positioning pins 5, the center line of the rotation block assembly mounting hole 2.5 is arranged along the radial direction of the positioning sleeve 2, the rotation block assembly mounting hole 2.5 is a stepped hole, the large end of the rotation block assembly mounting hole 2.5 is facing away from the axis of the positioning sleeve 2, and the small end of the rotation block assembly mounting hole 2.5 is facing the axis of the positioning sleeve 2;

[0028] A rotation block base 6.2 is provided in the large head end of the rotation block assembly mounting hole 2.5, and the outer circle of the rotation block base 6.2 is clearance-matched with the inner wall of the large head end of the rotation block assembly mounting hole 2.5. A triangular rotation block 6.1 is fixed to the outer end of the rotation block base 6.2, and the width of the outer end of the rotation block 6.1 is greater than the width of the large head end of the rotation block assembly mounting hole 2.5. A spring seat 6.3 is fixed to the inner end of the rotation block base 6.2, and the outer circle of the spring seat 6.3 is clearance-matched with the inner wall of the small head end of the rotation block assembly mounting hole 2.5, and a spring 6.4 is installed on the spring seat 6.3.

[0029] In the utility model, the bottom plate 1 is the place where the three claws used in the machine tool are clamped; the single-point pressure plate assembly 3 and the double-point pressure plate assembly 4 are used to press the cover plate 7 so that the cover plate 7 is tightly attached to the positioning sleeve 2; the outer cylindrical surface of the positioning sleeve 2 between the single-point pressure plate assembly 3 and the double-point pressure plate assembly 4 is used to position the inner arc surface of the cover plate 7; the positioning pin 5 is used to limit the position of the cover plate 7 on the positioning sleeve 2 and limit the movement of the cover plate 7 in the axial direction of the positioning sleeve 2; the rotation block 6.1 is used to limit the movement of the cover plate 7 in the circumferential direction of the positioning sleeve 2; the spring 6.4 is used for the rotation block 6.1 to automatically rebound against the cover plate 7 after being pulled out.

[0030] The operating steps of the utility model are as follows:

[0031] 1. Install the lathe tooling for processing multiple cover plates simultaneously on the lathe, and use a table to align the inner hole of the positioning sleeve 2;

[0032] 2. Install the cover plate 7 on the positioning sleeve 2 according to the position of the positioning pin 5, pull up the rotation blocks 6.1 on both sides to ensure that the cover plate 7 can be attached to the positioning sleeve 2, and then loosen the rotation blocks 6.1 to make it lean against the cover plates 7 on both sides;

[0033] 3. Screw the first bolt 3.2 of the single-point pressing plate from bottom to top into the first mounting hole of the single-point pressing plate, and insert the second bolt 3.3 of the single-point pressing plate from top to bottom into the second mounting hole of the single-point pressing plate; screw the first bolt 4.2 of the double-point pressing plate from bottom to top into the first mounting hole of the double-point pressing plate, and insert the second bolt 4.3 of the double-point pressing plate from top to bottom into the second mounting hole of the double-point pressing plate;

[0034] 4. Press the cover plate 7 with one hand to ensure that the inner arc surface of the cover plate 7 is close to the outer cylindrical surface of the positioning sleeve 2 between the single-point pressing plate assembly 3 and the double-point pressing plate assembly 4. With the other hand, screw the second bolt 3.3 of the single-point pressing plate into the second bolt mounting hole 2.3 of the single-point pressing plate and tighten the second bolt 3.3 of the single-point pressing plate to complete the installation of the single-point pressing plate 3.1; then screw the second bolt 4.3 of the double-point pressing plate into the second bolt mounting hole 2.4 of the double-point pressing plate and tighten the second bolt 4.3 of the double-point pressing plate to complete the installation of the double-point pressing plate 4.1; press the cover plate 7 onto the positioning sleeve 2 through a single-point pressing plate protrusion 3.11 on the single-point pressing plate 3.1 and two double-point pressing plate protrusions 4.11 on the double-point pressing plate 4.1;

[0035] 5. Check whether the cover plate 7 is completely and tightly attached to the positioning sleeve 2. Use a feeler gauge to check the gap between the inner arc surface of the cover plate 7 and the outer cylindrical surface of the positioning sleeve 2. If the gap is greater than 0.02mm, re-clamp the cover plate 7 until the gap between the inner arc surface of the cover plate 7 and the outer cylindrical surface of the positioning sleeve 2 is 0;

[0036] 6. Install six cover plates 7 in sequence along the circumferential direction of the positioning sleeve 2, and then start processing the upper end arc of the boss 7.1 on the outer surface of the cover plate 7.

Claims

1. A lathe tool for processing multiple cover plates simultaneously, comprising a base plate (1) and a positioning sleeve (2) coaxially fixed together; wherein: A plurality of single-point pressure plate assembly mounting planes (2.1) are provided on the outer circle of one end of the positioning sleeve (2) and are spaced apart along the circumferential direction of the outer circle of the positioning sleeve (2); a group of single-point pressure plate assemblies (3) are mounted on each single-point pressure plate assembly mounting plane (2.1); a plurality of double-point pressure plate assembly mounting planes (2.2) are provided on the outer circle of the other end of the positioning sleeve (2) and are spaced apart along the circumferential direction of the outer circle of the positioning sleeve (2); a group of double-point pressure plate assemblies (4) are mounted on each double-point pressure plate assembly mounting plane (2.2); the number of double-point pressure plate assemblies (4) is equal to the number of single-point pressure plate assemblies (3); and in the length direction of the positioning sleeve (2), the double-point pressure plate assemblies (4) and the single-point pressure plate assemblies (3) cooperate with each other; A positioning pin (5) is fixed on the positioning sleeve (2) between the corresponding mutually matching double-point pressure plate assembly (4) and the single-point pressure plate assembly (3), the outer end of the positioning pin (5) extends out of the outer circle of the positioning sleeve (2), and the axis of the positioning pin (5) is arranged along the radial direction of the positioning sleeve (2); A rotation block assembly (6) is installed on the positioning sleeve (2) between two adjacent positioning pins (5).

2. The lathe tooling for simultaneously processing multiple cover plates according to claim 1, characterized in that: The single-point pressure plate assembly (3) comprises a single-point pressure plate (3.1), a first single-point pressure plate bolt (3.2) and a second single-point pressure plate bolt (3.3); a single-point pressure plate protrusion (3.11) is provided on the lower surface of the single-point pressure plate (3.1) near one end of the double-point pressure plate assembly (4); a first single-point pressure plate mounting hole and a second single-point pressure plate mounting hole are provided on the single-point pressure plate (3.1) and penetrate through the upper and lower surfaces thereof; the first single-point pressure plate mounting hole is an internal threaded hole; the second single-point pressure plate mounting hole is a waist-shaped light hole; A single-point pressure plate first bolt (3.2) is installed in the installation hole, the bolt head end face of the single-point pressure plate first bolt (3.2) contacts the single-point pressure plate assembly installation plane (2.1), a single-point pressure plate second bolt (3.3) is installed in the single-point pressure plate second installation hole, a single-point pressure plate second bolt installation hole (2.3) that matches the stud part of the single-point pressure plate second bolt (3.3) is opened on the positioning sleeve (2), and the stud part of the single-point pressure plate second bolt (3.3) is installed in the single-point pressure plate second bolt installation hole (2.3); Furthermore, the first bolt (3.2) of the single-point pressure plate is far away from the double-point pressure plate assembly (4), and the second bolt (3.3) of the single-point pressure plate is close to the double-point pressure plate assembly (4).

3. The lathe tooling for simultaneously processing multiple cover plates according to claim 1, characterized in that: The double-point pressure plate assembly (4) comprises a double-point pressure plate (4.1), a first double-point pressure plate bolt (4.2) and a second double-point pressure plate bolt (4.3); two double-point pressure plate protrusions (4.11) are provided on the lower surface of the double-point pressure plate (4.1) near one end of the single-point pressure plate assembly (3); a first double-point pressure plate mounting hole and a second double-point pressure plate mounting hole are provided on the double-point pressure plate (4.1) and penetrate through the upper and lower surfaces thereof; the first double-point pressure plate mounting hole is an internal threaded hole, and the second double-point pressure plate mounting hole is a waist-shaped light hole; A double-point pressure plate first bolt (4.2) is installed in the installation hole, the bolt head end face of the double-point pressure plate first bolt (4.2) contacts the double-point pressure plate assembly installation plane (2.2), a double-point pressure plate second bolt (4.3) is installed in the double-point pressure plate second installation hole, a double-point pressure plate second bolt installation hole (2.4) matching with the stud part of the double-point pressure plate second bolt (4.3) is opened on the positioning sleeve (2), and the stud part of the double-point pressure plate second bolt (4.3) is installed in the double-point pressure plate second bolt installation hole (2.4); Furthermore, the first bolt (4.2) of the double-point pressure plate is far away from the single-point pressure plate assembly (3), and the second bolt (4.3) of the double-point pressure plate is close to the single-point pressure plate assembly (3).

4. The lathe tooling for simultaneously processing a plurality of cover plates as claimed in claim 1, characterized in that: The rotation block assembly (6) comprises a triangular rotation block (6.1), a rotation block base (6.2), a spring seat (6.3) and a spring (6.4); a rotation block assembly mounting hole (2.5) is provided on the positioning sleeve (2) between two adjacent positioning pins (5); the center line of the rotation block assembly mounting hole (2.5) is arranged along the radial direction of the positioning sleeve (2); the rotation block assembly mounting hole (2.5) is a stepped hole; the large end of the rotation block assembly mounting hole (2.5) faces away from the axis of the positioning sleeve (2); and the small end of the rotation block assembly mounting hole (2.5) faces toward the axis of the positioning sleeve (2); A swivel block base (6.2) is provided inside the large end of the swivel block assembly mounting hole (2.5); the outer circle of the swivel block base (6.2) is clearance-matched with the inner wall of the large end of the swivel block assembly mounting hole (2.5); a triangular swivel block (6.1) is fixed to the outer end of the swivel block base (6.2); the width of the outer end of the swivel block (6.1) is greater than the width of the large end of the swivel block assembly mounting hole (2.5); a spring seat (6.3) is fixed to the inner end of the swivel block base (6.2); the outer circle of the spring seat (6.3) is clearance-matched with the inner wall of the small end of the swivel block assembly mounting hole (2.5); and a spring (6.4) is mounted on the spring seat (6.3).

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