CN211455431U

CN211455431U - Notching device for metal film resistor production

Info

Publication number: CN211455431U
Application number: CN201922460566.3U
Authority: CN
Inventors: 闵小红
Original assignee: Shenzhen Daihecheng Electronic Co ltd
Current assignee: Shenzhen Daihecheng Electronic Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-08
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a grooving device is used in production of metal film resistance, the last sliding surface of support is connected with the knife rest, and the one end fixedly connected with slotting tool of knife rest, the one end that slotting tool was kept away from to the knife rest rotates and is connected with the lead screw, and the lateral wall cover of lead screw is equipped with the thread bush, thread bush and support fixed connection, the last fixed surface of knife rest is connected with servo motor, and servo motor's drive end and lead screw fixed connection, the last fixed surface of support is connected with driving motor. The utility model relates to a metal film resistance production facility technical field through setting up lead screw cooperation servo motor, can accurate control grooving degree of depth, guarantees the resistance value of accurate control metal film resistance, fixes the metal film resistance through setting up the electronic push rod of cutting ferrule cooperation to it is rotatory to drive the metal film resistance through driving motor, reduces the movement track of grooving sword, guarantees the accurate nature of fluting.

Description

Notching device for metal film resistor production

Technical Field

The utility model relates to a metal film resistance production facility technical field especially relates to a metal film resistance production is with notching device.

Background

The metal film resistor is a notching device for producing the metal film resistor in a film type resistor, wherein a high-temperature vacuum coating technology is adopted to closely attach nickel chromium or similar alloy on the surface of a porcelain rod to form a film, the resistance value is debugged through cutting to achieve the final required precise resistance value, and the resistance value of the metal film resistor can be controlled through notching and changing the thickness of the metal film. .

In the prior art, because the metal film resistor is generally coated on the surface of a cylindrical ceramic rod, and the coating thickness is thin, the production difficulty is high, and the production process requirement is high, therefore, the notching device for producing the metal film resistor is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a notching device for producing a metal film resistor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a film resistor production is with fluting device, includes the support, the last sliding surface of support is connected with the knife rest, and the one end fixedly connected with slotting tool of knife rest, the one end that slotting tool was kept away from to the knife rest rotates and is connected with the lead screw, and the lateral wall cover of lead screw is equipped with the thread bush, thread bush and support fixed connection, the last fixed surface of knife rest is connected with servo motor, and servo motor's drive end and lead screw fixed connection, the last fixed surface of support is connected with driving motor, and the last fixed surface of support is connected with electric putter, electric putter's the one end that is close to driving motor and driving motor's drive end all are provided with the cutting ferrule.

Preferably, the cutting ferrule includes the backup pad, and one side fixedly connected with cowl of backup pad, spacing groove has been seted up to one side lateral wall of backup pad, one of them backup pad and driving motor's drive end fixed connection, and another backup pad rotates with electric putter and is connected.

Preferably, the bar groove has been seted up to the upper surface of knife rest, and one side lateral wall in bar groove sets up threaded hole, threaded hole female connection has fixing bolt, slotting tool and bar groove sliding connection, and the slotting tool offsets the setting with fixing bolt, the bar inslot sliding connection has the gasket, and the gasket offsets the setting with the lateral wall of slotting tool.

Preferably, the inner wall of the limiting groove is glued with a rubber pad, the surface of the rubber pad is provided with anti-slip threads, and the limiting groove is spherical.

Preferably, the upper surface of the support is fixedly connected with two limiting rods which are arranged in parallel, the limiting rods are arranged on two sides of the tool rest and are in sliding connection with the tool rest.

Preferably, the upper surface of the bracket is provided with a sliding groove, the lower surface of the knife rest is fixedly connected with a clamping block, and the clamping block is connected with the sliding groove in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the grooving device for metal film resistor production, the lead screw is arranged to be matched with the servo motor, so that the grooving depth can be accurately controlled, the resistance value of the metal film resistor can be accurately controlled, the metal film resistor is fixed by arranging the clamping sleeve to be matched with the electric push rod, the metal film resistor is driven to rotate by the driving motor, the motion track of a grooving tool is reduced, and the grooving accuracy is ensured;

2. this kind of notching device is used in production of metal film resistance fixes the slotting tool through establishing bar groove cooperation fixing bolt to can once only prevent a plurality of slotting tools, realize once carving a plurality of recesses, can challenge slotting tool position and slotting tool interval through setting up the gasket, ensure the fluting quality.

Drawings

Fig. 1 is a schematic perspective view of a notching device for producing a metal film resistor according to the present invention;

fig. 2 is a schematic structural view of a tool rest of the notching device for producing a metal film resistor of the present invention;

fig. 3 is the utility model provides a cutting ferrule structure schematic diagram of grooving device for production of metal film resistor.

In the figure: 1. a support; 2. a tool holder; 3. a slotting cutter; 4. a screw rod; 5. a threaded sleeve; 6. a servo motor; 7. a drive motor; 8. an electric push rod; 9. a card sleeve; 10. a strip-shaped groove; 11. fixing the bolt; 12. a gasket; 13. a limiting rod; 14. a chute; 15. a clamping block; 91. a support plate; 92. an arc-shaped baffle plate; 93. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a grooving apparatus for metal film resistor production, comprising a support 1, wherein two parallel limiting rods 13 are fixedly connected to the upper surface of the support 1, the limiting rods 13 are arranged at two sides of a knife rest 2, the limiting rods 13 are slidably connected with the knife rest 2, the movement range of the knife rest 2 can be limited by arranging the limiting rods 13, the size deviation caused by the deviation of the knife rest 2 is avoided, the knife rest 2 is slidably connected to the upper surface of the support 1, a chute 14 is arranged on the upper surface of the support 1, a clamping block 15 is fixedly connected to the lower surface of the knife rest 2, the clamping block 15 is slidably connected with the chute 14, a strip groove 10 is arranged on the upper surface of the knife rest 2, a threaded hole is arranged on one side wall of the strip groove 10, a fixing bolt 11 is internally threaded in the threaded hole, the grooving cutter 3 is fixed by arranging the threaded hole row and the fixing bolt 11, the grooving tool 3 is slidably connected with the strip-shaped groove 10, the grooving tool 3 is abutted against a fixing bolt 11, a gasket 12 is slidably connected in the strip-shaped groove 10, the interval between the grooving tools 3 can be controlled by arranging the gasket 12, so that the product quality is controlled while the grooving tools 3 are engraved at one time, the gasket 12 is abutted against the side wall of the grooving tool 3, one end of the tool rest 2 is fixedly connected with the grooving tool 3, one end of the tool rest 2, which is far away from the grooving tool 3, is rotatably connected with a lead screw 4, the side wall of the lead screw 4 is sleeved with a threaded sleeve 5, the threaded sleeve 5 is fixedly connected with the support 1, the upper surface of the tool rest 2 is fixedly connected with a servo motor 6, the servo motor 6 with higher precision can be utilized to realize the control of the feeding amount of the grooving tool 3 by arranging the servo motor 6, so that the precision of the grooving process is more accurate, the product quality is improved, the driving end of the servo motor 6 is fixedly connected with the screw rod 4, the upper surface of the support 1 is fixedly connected with the driving motor 7, the driving motor 7 is a band-type brake motor and can be rapidly stopped rotating when the power is off, the production efficiency is improved, the upper surface of the support 1 is fixedly connected with the electric push rod 8, one end of the electric push rod 8 close to the driving motor 7 and the driving end of the driving motor 7 are both provided with a clamping sleeve 9, the clamping sleeve 9 comprises a support plate 91, one side of the support plate 91 is fixedly connected with an arc-shaped baffle 92, one side wall of the support plate 91 is provided with a limiting groove 93, the inner wall of the limiting groove 93 is glued with a rubber pad, the semiconductor element can be prevented from being damaged when the two clamping sleeves 9 clamp a semiconductor, the surface of the rubber pad is provided with anti-skid grains, avoid the grooving in-process semiconductor semi-manufactured goods under the frictional force effect of slotting tool 3, do not rotate along with driving motor 7, the shape of spacing groove 93 is spherical, can further fix a position semiconductor semi-manufactured goods through setting up spacing groove 93, promote the grooving precision, one of them backup pad 91 and driving motor 7's drive end fixed connection, and another backup pad 91 rotates with electric putter 8 and is connected, can be used for as the semi-manufactured anchor clamps of resistance through setting up cutting ferrule 9, thereby fixed resistance semi-manufactured goods, and utilize driving motor 7 to drive the semi-manufactured goods of resistance and rotate, make things convenient for slotting tool 3 to carry out the grooving process.

In the utility model, when in use, the semi-finished semiconductor product to be grooved is firstly conveyed to the upper part of the cutting sleeve 9 by the conveying belt or the related conveying clamp and the semi-finished semiconductor product falls by the gravitational potential energy of the semi-finished semiconductor product, then the semi-finished semiconductor product falls is caught by the two arc baffles 92, at the moment, the electric push rod 8 is started to make the two cutting sleeves 9 approach to each other, thus the semi-finished semiconductor product can be clamped by the two cutting sleeves 9, then the cutting sleeve 9 is driven to rotate by the driving motor 7, thus the semi-finished semiconductor product starts to rotate, at the moment, the servo motor 6 is controlled to rotate, the screw rod 4 is driven to rotate by the servo motor 6, the screw rod 4 and the thread sleeve 5 move relatively, the tool rest 2 slides on the upper surface of the bracket 1, the slotting tool 3 is made to approach to the semi-finished semiconductor product in rotation, and the, the moving distance of the slotting tool 3 can be accurately controlled, so that the aim of accurately controlling the slotting depth is fulfilled, on the other hand, the strip-shaped grooves 10 used on the tool rest 2 can fix a plurality of slotting tools 3, so that the aim of forming a plurality of slots at one time is fulfilled, the process flow of the slotting process is reduced, the production cost is reduced, the slotting process of the slotting tool 3 is matched without moving a fixture of a semi-finished semiconductor product, the slotting tool 3 can be positioned only by selecting gaskets 12 with different sizes according to the space among the plurality of slots, after the slotting process is finished, the servo motor 6 is controlled to rotate reversely, the tool rest 2 is moved in the direction far away from the driving motor 7, then the electric push rod 8 is controlled to contract, so that the semi-finished semiconductor product after slotting can be separated from the two clamping sleeves 9 and fall downwards into the conveying device, and the next process of the semi-finished semiconductor product is conveniently processed, at the moment, the next semi-finished semiconductor product is conveyed between the two clamping sleeves 9 again to carry out the grooving process on the next semi-finished semiconductor product, the purpose of efficient continuous production is achieved, the production cost and the equipment cost are reduced, the grooving precision is improved, and the grooving precision of the semiconductor is guaranteed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A notching device for producing a metal film resistor comprises a bracket (1) and is characterized in that the upper surface of the bracket (1) is connected with a knife rest (2) in a sliding way, and one end of the tool rest (2) is fixedly connected with a slotting cutter (3), one end of the tool rest (2) far away from the slotting cutter (3) is rotatably connected with a screw rod (4), and the side wall of the screw rod (4) is sleeved with a threaded sleeve (5), the threaded sleeve (5) is fixedly connected with the bracket (1), the upper surface of the tool rest (2) is fixedly connected with a servo motor (6), the driving end of the servo motor (6) is fixedly connected with the screw rod (4), the upper surface of the bracket (1) is fixedly connected with a driving motor (7), and the upper surface of the support (1) is fixedly connected with an electric push rod (8), and one end of the electric push rod (8) close to the driving motor (7) and the driving end of the driving motor (7) are both provided with a clamping sleeve (9).

2. The notching device for producing the metal film resistor according to claim 1, wherein the cutting sleeve (9) comprises a support plate (91), an arc-shaped baffle (92) is fixedly connected to one side of the support plate (91), a limiting groove (93) is formed in the side wall of one side of the support plate (91), one of the support plate (91) is fixedly connected with the driving end of the driving motor (7), and the other support plate (91) is rotatably connected with the electric push rod (8).

3. The grooving device for metal film resistance production according to claim 1, wherein a strip-shaped groove (10) is formed in an upper surface of the knife rest (2), a threaded hole is formed in a side wall of the strip-shaped groove (10), a fixing bolt (11) is connected to the threaded hole in a threaded manner, the grooving knife (3) is slidably connected with the strip-shaped groove (10), the grooving knife (3) is arranged against the fixing bolt (11), a gasket (12) is slidably connected to the strip-shaped groove (10), and the gasket (12) is arranged against a side wall of the grooving knife (3).

4. The notching device for producing a metal film resistor according to claim 2, wherein a rubber pad is glued to an inner wall of the limiting groove (93), anti-slip lines are formed on the surface of the rubber pad, and the limiting groove (93) is spherical.

5. The notching device for producing metal film resistors according to claim 1, wherein two parallel limiting rods (13) are fixedly connected to the upper surface of the bracket (1), the limiting rods (13) are arranged on two sides of the knife rest (2), and the limiting rods (13) are slidably connected with the knife rest (2).

6. The notching device for producing the metal film resistor according to claim 1, wherein a sliding groove (14) is formed in an upper surface of the bracket (1), a clamping block (15) is fixedly connected to a lower surface of the knife rest (2), and the clamping block (15) is slidably connected with the sliding groove (14).