Tool for machining and positioning

Abstract

The utility model discloses a tool for machining and positioning. The tool comprises a first positioning plate, a base, two side plates and a second positioning plate. At least one positioning assembly is arranged on the rear side wall of the first positioning plate. Each positioning assembly comprises a coarse positioning block, a plurality of first locking mechanisms and a plurality of anti-falling mechanisms. And a second locking mechanism is arranged on the second positioning plate. The positioning device is reasonable in structural design, firstly, coarse positioning is conducted on a product to be machined through the coarse positioning block, then a lower end opening and an upper end opening of the product to be machined are pressed and fixed through the first locking mechanism and the second locking mechanism at the same time, and then accurate fixing of the product to be machined is achieved; an operator can easily achieve accurate fixing of a product to be machined by pressing the button, manual screw turning is not needed, operation is easy and convenient, and the clamping efficiency and the machining precision are greatly improved; and (2) an anti-falling mechanism is also arranged, so that the to-be-processed product is prevented from falling accidentally, and the safety of an operator is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of CNC machining positioning, in particular to a tooling for machining positioning. Background Art

[0002] See also Figure 11-12 The surface (201) to be processed of the product (20) to be processed has position, inclination and flatness requirements. At present, in the process of processing the surface (201), the product (20) to be processed must first be installed and fixed on the existing positioning tool (30), and then the surface (201) to be processed must be processed by a CNC milling machine.

[0003] The surface to be processed (201) is arranged on the side wall of the product to be processed (20), the product to be processed (20) comprises an upper opening (202) and a lower opening (203), the surface to be processed (201) is arranged between the upper opening (202) and the lower opening (203), a positioning hole (204) is provided on the lower opening (203), and a limiting protrusion (205) is also provided on the side wall of the product to be processed (20).

[0004] At present, the existing positioning tool (30) includes an existing positioning plate (301) and an existing base (302). The existing base (302) is fixedly arranged above the existing positioning plate (301). A plurality of positioning blocks (303) are arranged on the existing base (302). An existing rough positioning block (304) is also fixedly arranged on the existing base (302). The operator preliminarily positions the product (20) to be processed on the existing base (302) by means of the limiting protrusion (205), and then fixes the plurality of positioning blocks (303) on the existing base (302) by means of screws, thereby realizing the installation and fixation of the product (20) to be processed.

[0005] The defects of the above-mentioned prior art are that the installation efficiency and installation accuracy of the existing tooling are low, resulting in a low qualified rate of processed products. Utility Model Content

[0006] The utility model aims to provide a tool for processing positioning, so as to solve the technical problem that the installation efficiency and installation precision of the existing tool are low, resulting in a low qualified rate of processed products.

[0007] In order to achieve the above-mentioned purpose, the technical solution of the utility model provides a tooling for processing positioning, including a first positioning plate, a base, two side plates, and a second positioning plate, the second positioning plate is fixedly connected to the first positioning plate through two side plates, and the base is fixedly arranged on the rear side wall of the first positioning plate; at least one group of positioning components is arranged on the rear side wall of the first positioning plate, and the positioning components include a coarse positioning block, a plurality of first locking mechanisms, and a plurality of anti-fall mechanisms, and the coarse positioning block, the plurality of first locking mechanisms, and the plurality of anti-fall mechanism spacer rings are arranged around the base to fix the lower end opening of the product to be processed; the second positioning plate is provided with a second locking mechanism to fix the upper end opening of the product to be processed.

[0008] Furthermore, the number of the positioning components is set to three groups, and the number of the first locking mechanisms and the anti-fall mechanisms of each group of the positioning components is set to three and two respectively.

[0009] Furthermore, the coarse positioning block is fixedly arranged on the first positioning plate, a limiting groove is arranged on the side of the coarse positioning block facing the product to be processed, and limiting blocks are coaxially arranged on both side walls of the limiting groove to achieve coarse positioning of the product to be processed.

[0010] Furthermore, a first cylinder is fixedly provided on the first locking mechanism, a first piston rod is provided in the middle of the first cylinder, a pressure plate is movably hingedly provided on the top end of the first piston rod, a pressure block is fixedly provided on the side of the pressure plate close to the base, a support block is fixedly provided on the side of the first cylinder close to the base, the support block is movably hinged to the pressure plate through two connecting arms, and the pressure plate is acted upon by the first cylinder to fix or loosen the lower end opening of the product to be processed.

[0011] Furthermore, the anti-drop mechanism includes a base plate, a T-shaped limit block, and an anti-drop block which are arranged in sequence from front to back, the anti-drop block is movably hinged on the T-shaped limit block, the T-shaped limit block is fixedly arranged on the base, and the side of the anti-drop block away from the base is limited by the T-shaped limit block through a bolt, a spring is installed on the bolt, and the anti-drop block can prevent the product to be processed from falling under the elastic action of the spring.

[0012] Furthermore, the second locking mechanism includes a positioning block and a pressure block, the positioning block is fixedly arranged on the second positioning plate, a second cylinder is fixedly arranged on the positioning block, a second piston rod is arranged on the side of the second cylinder facing the product to be processed, the second piston rod obliquely passes through the positioning block upward and is fixedly connected to the pressure block, a silicone pad is fixedly arranged on the pressure block, and the second piston rod, under the action of the second cylinder, can drive the pressure block and the silicone pad to perform a linear reciprocating telescopic motion to achieve the fixing or loosening of the upper opening of the product to be processed.

[0013] Furthermore, an auxiliary guide rod is fixedly arranged on the positioning block, and the auxiliary guide rod is arranged parallel to the piston rod; and a through hole adapted to the auxiliary guide rod is provided on the pressing block.

[0014] Furthermore, a coarse positioning seat is fixedly provided on the base, and the coarse positioning seat is triangular in shape as a whole. The connection between the two side edges of the coarse positioning seat is set to a guide angle adapted to the inner wall of the product to be processed, so as to facilitate the coarse positioning of the product to be processed.

[0015] Furthermore, a trapezoidal hole is provided on the base, a positioning pin corresponding to the position of the positioning hole is installed on the trapezoidal hole, a through hole is provided on the side of the positioning pin away from the product to be processed, a limiting opening is provided on the outer circular side wall of the base, a positioning column is installed on the limiting opening, and the positioning pin is fixed to the base through the positioning column.

[0016] Furthermore, a first connecting plate extending vertically upward is provided on the left and right sides of the second positioning plate, one end of the first connecting plate is fixedly connected to the second positioning plate, and the other end of the first connecting plate is fixedly connected to the side plate; a second connecting plate extending vertically upward is provided in the middle part of the front end of the second positioning plate, one end of the second connecting plate is fixedly connected to the second positioning plate, and the other end of the second connecting plate is fixedly connected to the first positioning plate.

[0017] In summary, the technical solution of the present invention has the following beneficial effects: the structural design of the present invention is reasonable. (1) The present invention firstly roughly positions the product to be processed by means of a rough positioning block, and then simultaneously presses and fixes the lower opening and the upper opening of the product to be processed by means of a first locking mechanism and a second locking mechanism, thereby achieving precise fixation of the product to be processed. The operator can easily achieve precise fixation of the product to be processed by pressing a button without manually tightening the screws. The operation is simple, and the clamping efficiency and processing accuracy are greatly improved. (2) The present invention is also provided with an anti-fall mechanism to prevent the product to be processed from accidentally falling, thereby ensuring the safety of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model when the product to be processed is installed;

[0019] Figure 2 yes Figure 1 Schematic diagram of the three-dimensional structure when the left and right positioning components are removed;

[0020] Figure 3 yes Figure 2 Schematic diagram of the three-dimensional structure from another angle;

[0021] Figure 4 yes Figure 3A schematic diagram of the three-dimensional structure of the product to be processed without the second locking mechanism;

[0022] Figure 5 yes Figure 4 An enlarged structural schematic diagram of detail A;

[0023] Figure 6 yes Figure 4 Schematic diagram of the three-dimensional structure when the coarse positioning block and anti-fall mechanism are removed;

[0024] Figure 7 yes Figure 6 A schematic diagram of the enlarged structure of detail B;

[0025] Figure 8 yes Figure 4 A schematic diagram of the three-dimensional structure when the coarse positioning block and the first locking mechanism are removed;

[0026] Fig. 9 yes Figure 8 A schematic diagram of the enlarged structure of detail C;

[0027] Fig.10 yes Figure 1 A rear view structural diagram of ;

[0028] Fig.11 It is a three-dimensional structural schematic diagram of the existing positioning tooling of the utility model;

[0029] Fig.12 It is a three-dimensional structural schematic diagram of the product to be processed of the utility model.

[0030] Description of the accompanying drawings: 1-first positioning plate, 2-base, 3-two side plates, 4-second positioning plate, 5-rough positioning block, 501-limiting groove, 502-limiting block, 6-first locking mechanism, 601-first cylinder, 6011-support block, 602-first piston rod, 603-pressing plate, 604-pressing block, 605-connecting arm, 7-anti-falling mechanism, 701-bottom plate, 702-T-shaped limiting block, 703-anti-falling block, 704-bolt, 705-spring, 8-second locking mechanism, 801-positioning block, 802-pressing block, 803-second cylinder, 804-second piston rod, 805-silicone pad, 806-auxiliary guide rod, 9-rough positioning seat, 10-positioning pin, 11-positioning column, 12-first connecting plate, 13-second connecting plate;

[0031] 20-product to be processed, 201-surface to be processed, 202-upper opening, 203-lower opening, 204-positioning hole, 205-limiting protrusion;

[0032] 30-existing positioning tooling, 301-existing positioning plate, 302-existing base, 303-positioning block, 304-existing coarse positioning block. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention, but this does not constitute a limitation on the protection scope of the present invention.

[0034] In the present invention, for a clearer description, the following explanation is made: the observer faces the attached Fig.10 For observation, the left side of the observer is set as left, the right side of the observer is set as right, the front of the observer is set as front, the rear of the observer is set as rear, the top of the observer is set as top, and the bottom of the observer is set as bottom. It should be pointed out that the terms "front end", "rear end", "left side", "right side", "middle", "top", "bottom" and the like in the text indicate the orientation or position relationship based on the orientation or position relationship set in the drawings, which is only for the convenience of clearly describing the utility model, and does not indicate or imply that the structure or component referred to must have a specific orientation or be constructed in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", and "fourth" are only used for the purpose of clarity or simplification of description, and cannot be understood as indicating or implying relative importance or quantity.

[0035] See also Figures 1 to 12 The present embodiment provides a tooling for processing positioning, including a first positioning plate 1, a base 2, two side plates 3, and a second positioning plate 4. The second positioning plate 4 is fixedly connected to the first positioning plate 1 through the two side plates 3, and the base 2 is fixedly arranged on the rear side wall of the first positioning plate 1; at least one group of positioning components is arranged on the rear side wall of the first positioning plate 1, and the positioning components include a coarse positioning block 5, a plurality of first locking mechanisms 6, and a plurality of anti-drop mechanisms 7. The coarse positioning block 5, a plurality of first locking mechanisms 6, and a plurality of anti-drop mechanisms 7 are spaced around the base 2 to fix the lower end opening 203 of the product 20 to be processed; a second locking mechanism 8 is arranged on the second positioning plate 4 to fix the upper end opening 202 of the product 20 to be processed. Function: (1) The utility model first roughly positions the product 20 to be processed by the rough positioning block 5, and then simultaneously presses and fixes the lower opening 203 and the upper opening 202 of the product 20 to be processed by the first locking mechanism 6 and the second locking mechanism 8, thereby realizing the precise fixation of the product 20 to be processed. The operator can easily realize the precise fixation of the product 20 to be processed by pressing a button, without manually tightening the screws. The operation is simple, which greatly improves the clamping efficiency and processing accuracy. (2) The utility model is also provided with an anti-fall mechanism 7 to prevent the product 20 to be processed from accidentally falling, thereby ensuring the safety of the operator.

[0036] Specifically, the number of positioning components is set to three groups, and the number of first locking mechanisms 6 and anti-fall mechanisms 7 of each group of positioning components is set to three and two respectively. In practical application, the utility model can clamp and fix three products 20 to be processed at one time, and perform CNC processing in sequence, that is, the utility model can complete the fixation and processing of three products 20 to be processed in the same batch, while the existing positioning tool 30 can only process one product at a time by manual clamping. The use of the utility model can greatly improve the processing efficiency.

[0037] Specifically, the coarse positioning block 5 is fixedly arranged on the first positioning plate 1, and a limiting groove 501 is arranged on the side of the coarse positioning block 5 facing the product 20 to be processed, and limiting blocks 502 are coaxially arranged on both side walls of the limiting groove 501 to achieve coarse positioning of the product 20 to be processed. Function: Through the setting of the coarse positioning block 5, the product 20 to be processed can be limitedly matched with the limiting groove 501 of the coarse positioning block 5 through the limiting protrusion 205, so as to achieve coarse positioning of the product 20 to be processed.

[0038] Specifically, a first cylinder 601 is fixedly arranged on the first locking mechanism 6, a first piston rod 602 is arranged in the middle of the first cylinder 601, a pressing plate 603 is movably hingedly arranged at the top of the first piston rod 602, a pressing block 604 is fixedly arranged on the side of the pressing plate 603 close to the base 2, a supporting block 6011 is fixedly arranged on the side of the first cylinder 601 close to the base 2, the supporting block 6011 is movably hingedly connected to the pressing plate 603 through two connecting arms 605, and the pressing plate 603 can achieve the fixing or loosening of the lower end opening 203 of the product 20 to be processed under the action of the first cylinder 601. In actual application, the first piston rod 602 can drive the pressing plate 603 to perform reciprocating telescopic motion under the action of the first cylinder 601, and at this time, the pressing plate 603 is also hingedly connected to the supporting block 6011 of the first cylinder 601 through two connecting arms 605, so that the movement range of the pressing plate 603 is limited, thereby achieving the fixing or loosening of the product 20 to be processed.

[0039] Specifically, the anti-drop mechanism 7 includes a bottom plate 701, a T-shaped limit block 702, and an anti-drop block 703 which are arranged in sequence from front to back. The anti-drop block 703 is movably hinged on the T-shaped limit block 702, and the T-shaped limit block 702 is fixedly arranged on the bottom plate 701. The side of the anti-drop block 703 away from the base 2 is limited by the T-shaped limit block 702 through a bolt 704, and a spring 705 is installed on the bolt 704. Under the elastic action of the spring 705, the anti-drop block 703 can prevent the product 20 to be processed from falling. In actual application, one end of the anti-drop block 703 is movably hinged with the T-shaped limit block 702, and the other end of the anti-drop block 703 is limited by the T-shaped limit block 702 through a bolt 704. When the product 20 to be processed is placed in the utility model, the anti-drop block 703 can expand a certain space outward under the elastic action of the spring 705 to facilitate the placement of the product 20 to be processed. After placement, the anti-drop block 703 rebounds inward under the elastic action of the spring 705 to prevent the product 20 to be processed from falling.

[0040] Specifically, the second locking mechanism 8 includes a positioning block 801 and a pressure block 802. The positioning block 801 is fixedly arranged on the second positioning plate 4. A second cylinder 803 is fixedly arranged on the positioning block 801. The second cylinder 803 is provided with a second piston rod 804 on the side facing the product 20 to be processed. The second piston rod 804 obliquely passes through the positioning block 801 upward and is fixedly connected to the pressure block 802. A silicone pad 805 is fixedly arranged on the pressure block 802. Under the action of the second cylinder 803, the second piston rod 804 can drive the pressure block 802 and the silicone pad 805 to perform a linear reciprocating telescopic motion to achieve the fixing or loosening of the upper end opening 202 of the product 20 to be processed. In actual application, the silicone pad 805 can be fixed to the pressing block 802 by screws or 502 glue, and the pressing block 802 is fixedly set on the second piston rod 804. Under the action of the second cylinder 803, the second piston rod 804 can drive the pressing block 802 to realize reciprocating telescopic movement to fix or loosen the upper end opening 202 of the product 20 to be processed.

[0041] Specifically, the positioning block 801 is also fixedly provided with an auxiliary guide rod 806, which is arranged parallel to the piston rod; the pressing block 802 is provided with a through hole adapted to the auxiliary guide rod 806. In actual application, when the pressing block 802 performs telescopic movement, the auxiliary guide rod 806 can provide auxiliary guidance for the movement of the pressing block 802.

[0042] Specifically, a rough positioning seat 9 is fixedly arranged on the base 2. The rough positioning seat 9 is triangular in shape as a whole. The connection between the two sides of the rough positioning seat 9 is set to a chamfer angle that matches the inner side wall of the product 20 to be processed, so as to facilitate the rough positioning of the product 20 to be processed. Function: Through the setting of the rough positioning seat 9, the product 20 to be processed can be set on the rough positioning seat 9 through the chamfer angle that matches the inner side wall of the product 20 to be processed, so as to achieve the rough positioning of the product 20 to be processed.

[0043] Specifically, a trapezoidal hole is provided on the base 2, and a positioning pin 10 corresponding to the position of the positioning hole 204 is installed on the trapezoidal hole. A through hole is provided on the side of the positioning pin 10 away from the product 20 to be processed, and a limiting opening is provided on the outer circular side wall of the base 2. A positioning column 11 is installed on the limiting opening, and the positioning pin 10 is fixedly arranged on the base 2 through the positioning column 11. Function: Through the arrangement of the positioning pin 10, the positioning hole 204 of the product 20 to be processed can be limited by the positioning pin 10 to achieve rough positioning of the product 20 to be processed.

[0044] Specifically, a first connecting plate 12 extending vertically upward is provided on the left and right sides of the second positioning plate 4, one end of the first connecting plate 12 is fixedly connected to the second positioning plate 4, and the other end of the first connecting plate 12 is fixedly connected to the side plate 3; a second connecting plate 13 extending vertically upward is provided in the middle of the front end of the second positioning plate 4, one end of the second connecting plate 13 is fixedly connected to the second positioning plate 4, and the other end of the second connecting plate 13 is fixedly connected to the first positioning plate 1.

[0045] The technical effects of this design are mainly:

[0046] (1) The present invention uses the coarse positioning block 5, the coarse positioning seat 9 and the positioning pin 10 to roughly position the product 20 to be processed. The multi-angle rough positioning makes the positioning of the product 20 to be processed more accurate;

[0047] (2) The utility model uses the first locking mechanism 6 and the second locking mechanism 8 to respectively press and fix the lower opening 203 and the upper opening 202 of the product 20 to be processed, so that the rough positioning of the product 20 to be processed is transformed into precise positioning, thereby ensuring the processing accuracy of the product 20 to be processed;

[0048] (3) The utility model provides the first cylinder 601 and the second cylinder 803 so that the first locking mechanism 6 and the second locking mechanism 8 can be pneumatically clamped and fixed, eliminating the need to manually tighten screws to fasten the processed product 20, thereby improving the clamping efficiency.

[0049] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the protection scope of the present invention.

Claims

1. A tool for processing positioning, characterized in that: The invention comprises a first positioning plate (1), a base (2), two side plates (3), and a second positioning plate (4); the second positioning plate (4) is fixedly connected to the first positioning plate (1) through the two side plates (3); the base (2) is fixedly arranged on the rear side wall of the first positioning plate (1); at least one group of positioning components is arranged on the rear side wall of the first positioning plate (1); the positioning components comprise a coarse positioning block (5), a plurality of first locking mechanisms (6), and a plurality of anti-fall mechanisms (7); the coarse positioning block (5), the plurality of first locking mechanisms (6), and the plurality of anti-fall mechanisms (7) are spaced by rings arranged around the base (2) to fix the lower end opening (203) of the product to be processed (20); the second positioning plate (4) is provided with a second locking mechanism (8) to fix the upper end opening (202) of the product to be processed (20).

2. A tool for processing positioning according to claim 1, characterized in that: The number of the positioning components is set to three groups, and the number of the first locking mechanisms (6) and the anti-fall mechanisms (7) of each group of the positioning components is set to three and two respectively.

3. A tool for processing positioning according to claim 1, characterized in that: The coarse positioning block (5) is fixedly arranged on the first positioning plate (1), and a limiting groove (501) is provided on the side of the coarse positioning block (5) facing the product (20) to be processed, and limiting blocks (502) are coaxially arranged on the two side walls of the limiting groove (501) to achieve coarse positioning of the product (20) to be processed.

4. A tool for processing positioning according to claim 1, characterized in that: A first cylinder (601) is fixedly arranged on the first locking mechanism (6), a first piston rod (602) is provided in the middle of the first cylinder (601), a pressure plate (603) is movably hingedly arranged at the top end of the first piston rod (602), a pressing block (604) is fixedly arranged on the side of the pressure plate (603) close to the base (2), a supporting block (6011) is fixedly arranged on the side of the first cylinder (601) close to the base (2), the supporting block (6011) is movably hingedly connected to the pressure plate (603) through two connecting arms (605), and the pressure plate (603) is fixed or loosened at the lower end opening (203) of the product (20) to be processed under the action of the first cylinder (601).

5. The tooling for machining positioning according to claim 1, characterized in that: The anti-drop mechanism (7) comprises a bottom plate (701), a T-shaped limit block (702), and an anti-drop block (703) which are arranged in sequence from front to back. The anti-drop block (703) is movably hinged on the T-shaped limit block (702). The T-shaped limit block (702) is fixedly arranged on the bottom plate (701). The side of the anti-drop block (703) away from the base (2) is limitedly matched with the T-shaped limit block (702) by a bolt (704). A spring (705) is installed on the bolt (704). Under the elastic action of the spring (705), the anti-drop block (703) can prevent the product (20) to be processed from falling.

6. A tool for processing positioning according to claim 1, characterized in that: The second locking mechanism (8) comprises a positioning block (801) and a pressing block (802); the positioning block (801) is fixedly arranged on the second positioning plate (4); a second cylinder (803) is fixedly arranged on the positioning block (801); a second piston rod (804) is arranged on the side of the second cylinder (803) facing the product to be processed (20); the second piston rod (804) obliquely passes through the positioning block (801) and is fixedly connected to the pressing block (802); a silicone pad (805) is fixedly arranged on the pressing block (802); and the second piston rod (804) can drive the pressing block (802) and the silicone pad (805) to perform a linear reciprocating telescopic movement under the action of the second cylinder (803) to achieve the fixing or loosening of the upper end opening (202) of the product to be processed (20).

7. A tool for machining positioning according to claim 6, characterized in that: The positioning block (801) is also fixedly provided with an auxiliary guide rod (806), and the auxiliary guide rod (806) is arranged parallel to the piston rod; the pressing block (802) is provided with a through hole adapted to the auxiliary guide rod (806).

8. A tool for machining positioning according to any one of claims 1 to 7, characterized in that: A coarse positioning seat (9) is fixedly arranged on the base (2), and the coarse positioning seat (9) is triangular in shape as a whole. The connecting parts of the two side edges of the coarse positioning seat (9) are arranged to form a chamfer angle that matches the inner side wall of the product to be processed (20), so as to facilitate the coarse positioning of the product to be processed (20).

9. A tool for machining positioning according to any one of claims 1 to 7, characterized in that: The base (2) is provided with a trapezoidal hole, a positioning pin (10) corresponding to the position of the positioning hole (204) is installed on the trapezoidal hole, a through hole is provided on the side of the positioning pin (10) away from the product (20) to be processed, a limiting opening is provided on the outer circular side wall of the base (2), a positioning column (11) is installed on the limiting opening, and the positioning pin (10) is fixed on the base (2) through the positioning column (11).

10. A tool for machining positioning according to any one of claims 1 to 7, characterized in that: A first connecting plate (12) extending vertically upward is provided on the left and right sides of the second positioning plate (4), one end of the first connecting plate (12) is fixedly connected to the second positioning plate (4), and the other end of the first connecting plate (12) is fixedly connected to the side plate (3); a second connecting plate (13) extending vertically upward is provided in the middle of the front end of the second positioning plate (4), one end of the second connecting plate (13) is fixedly connected to the second positioning plate (4), and the other end of the second connecting plate (13) is fixedly connected to the first positioning plate (1).

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