Drying oven for zinc oxide resistor disc production

Abstract

The utility model relates to the technical field of resistor disc production, and particularly discloses a drying oven for zinc oxide resistor disc production, which comprises a drying oven and an oven door hinged on the drying oven, sliding rails are respectively fixed at the left and right ends of the top wall and the bottom wall of the drying oven along the width direction, and a sliding seat matched with each sliding rail is respectively arranged in each sliding rail. Supporting frames are fixedly arranged on the front sides and the rear sides of the opposite end faces of the two sliding seats at the same end correspondingly, a detachable containing frame is arranged in the four supporting frames jointly, the containing frame comprises a bottom containing plate, supporting rods and a top containing plate, and the supporting rods are fixedly arranged at the four corners of the bottom containing plate correspondingly. The top faces of the four supporting rods are jointly connected with a top containing plate, and adjusting devices connected with the supporting frames are arranged on the mounting bases correspondingly. According to the zinc oxide resistor disc drying device, the zinc oxide resistor disc can be effectively dried through single-time placement in the drying process, and therefore the use efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of resistor production, in particular to an oven for producing zinc oxide resistors. Background Art

[0002] During the production process of zinc oxide resistors, a layer of organic insulating glaze needs to be rolled on its side, and after rolling, it needs to be placed in a drying box for heating and curing to meet the production quality requirements.

[0003] When drying zinc oxide resistors, usually several rolled zinc oxide resistors are placed one by one on a special placement rack, and then the placement rack is moved to the vicinity of a drying box, the door of the box is opened, and several zinc oxide resistors are placed on the multi-layer placement board inside the drying box in turn for effective drying.

[0004] In the drying process, the above-mentioned operation steps require the roll-coated zinc oxide resistor to be placed twice, which not only reduces the working efficiency of the device, but also increases the labor intensity of the workers. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the zinc oxide resistor cannot be effectively dried under the condition of single placement, resulting in a reduction in the use efficiency of the device.

[0006] In order to solve the above problems, the technical solution of the utility model is: an oven for producing zinc oxide resistor sheets, comprising a drying box and a door hinged on the drying box, slide rails are fixedly arranged at the left and right ends of the top wall and the bottom wall of the drying box along the width direction thereof, each of the slide rails is respectively provided with a sliding seat adapted thereto, and support frames are respectively fixedly arranged at the front and rear sides of the opposite end surfaces of the two sliding seats at the same end;

[0007] A detachable placement frame is commonly provided in the four support frames, and the placement frame includes a bottom placement plate, a support rod and a top placement plate. Support rods are fixedly provided at the four corners of the bottom placement plate, and the top placement plate is commonly connected to the top surfaces of the four support rods. Mounting seats are fixedly provided on the front and rear sides of the opposite end surfaces of the top placement plate and the bottom placement plate, and adjustment devices connected to the support frames are respectively provided on the mounting seats.

[0008] Furthermore, the adjustment device includes a positioning pin, a pressure plate and a return spring. A cavity is symmetrically opened at the left and right ends of each mounting seat and a positioning pin that can move left and right is arranged in the cavity. A pressure plate is fixed on the positioning pin close to the bottom wall of the cavity, and a return spring is wound between the pressure plate and the top wall of the cavity. Pin holes corresponding to the positioning pins are respectively opened on the support frame, and each mounting seat is also respectively provided with a transmission device for moving the two positioning pins relative to or away from each other.

[0009] Furthermore, the transmission device includes a connecting frame and a wedge block. The connecting frames are fixedly provided at corresponding positions in the middle of the mounting seat. A wedge block that can move up and down is provided in the connecting frame. A cavity is opened in the mounting seat corresponding to the wedge block. Through grooves that can extend into the wedge block are respectively opened on the top wall and bottom wall of the cavity.

[0010] Furthermore, an adjusting screw is threadedly inserted into the connection frame corresponding to the middle position of the wedge block, and the end of the adjusting screw extending into the connection frame abuts against the wedge block.

[0011] Furthermore, a locking nut matching with the adjusting screw is provided at the contact position of the adjusting screw with the top surface of the connecting frame.

[0012] Furthermore, a plurality of middle placement plates are equidistantly arranged on the four support rods between the top placement plate and the bottom placement plate.

[0013] The advantages of the utility model compared with the existing technology are:

[0014] 1. Through the cooperation of the slide rail, the sliding seat, the support frame and the placement frame, the placement frame can be pulled out of the drying box first, and then the trolley is placed at the bottom of the placement frame, and the placement frame is removed from the support frame. Under the action of the trolley, the placement frame is moved to the roller coating position, and several roller-coated zinc oxide resistors are placed in sequence. After the placement is completed, the placement frame is connected to the support frame and pushed into the drying box to effectively dry the zinc oxide resistor. In the whole drying process, the zinc oxide resistor only needs to be placed once, thereby improving the use efficiency of the device;

[0015] 2. With the cooperation of the adjusting screw, wedge block, positioning pin, pressure plate, return spring and pin hole, the adjusting screw can be rotated to drive the wedge block to move downward, and then drive the positioning pins at both ends to move away from each other, so that they cooperate with the corresponding pin holes, and the placement frame and the support frame are effectively connected and positioned, thereby improving the operation convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the internal structure diagram of the utility model.

[0017] Figure 2 It is the internal structure diagram of the drying box in the utility model.

[0018] Figure 3 It is a structural diagram of the placement rack in the utility model.

[0019] Figure 4 It is an internal structure diagram of the mounting seat in the utility model.

[0020] As shown in the figure: 1. Drying box; 2. Box door; 3. Slide rail; 4. Sliding seat; 5. Support frame; 6. Placement frame; 7. Bottom placement plate; 8. Support rod; 9. Top placement plate; 10. Middle placement plate; 11. Mounting seat; 12. Locating pin; 13. Pin hole; 14. Cavity; 15. Pressing plate; 16. Reset spring; 17. Connecting frame; 18. Wedge block; 19. Adjusting screw; 20. Locking nut; 21. Through slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] like Figure 1 to Figure 2 As shown, a drying oven for zinc oxide resistor production comprises a drying box 1 and a door 2 hinged on the drying box 1. The drying box 1 is a prior art product. Slide rails 3 are fixedly provided at the left and right ends of the top wall and the bottom wall of the drying box 1 along the width direction thereof, and the slide rails 3 are damping slide rail structures. Each slide rail 3 is provided with a sliding seat 4 adapted thereto. Support frames 5 are fixedly provided at the front and rear sides of the opposite end surfaces of the two sliding seats 4 at the same end. With the cooperation of the sliding seat 4 and the slide rail 3, the support frame 5 can be pulled out of the drying box 1.

[0024] like Figure 2 and Figure 3As shown, a detachable placement frame 6 is commonly provided in the four support frames 5, and the placement frame 6 includes a bottom placement plate 7, a support rod 8 and a top placement plate 9. Support rods 8 are fixedly provided at the four corners of the bottom placement plate 7, and the top placement plate 9 is commonly connected to the top surfaces of the four support rods 8. The zinc oxide resistor is effectively placed through the top placement plate 9 and the bottom placement plate 7, and mounting seats 11 are fixedly provided on the front and rear sides of the opposite end surfaces of the top placement plate 9 and the bottom placement plate 7, and adjustment devices connected to the support frames 5 are respectively provided on the mounting seats 11.

[0025] like Figure 4 As shown, the adjusting device includes a locating pin 12, a pressure plate 15 and a return spring 16. A cavity 14 is symmetrically opened at the left and right ends of each mounting seat 11, and a locating pin 12 that can move left and right is arranged in the cavity 14. A pressure plate 15 is fixedly provided on the locating pin 12 close to the bottom wall of the cavity 14, and a return spring 16 is wound between the pressure plate 15 and the top wall of the cavity 14. Pin holes 13 corresponding to the locating pin 12 are respectively opened on the support frame 5 corresponding to the locating pin 12. With the cooperation of the locating pin 12 and the pin hole 13, the mounting seat 11 is connected to the support frame 5, and each mounting seat 11 is also respectively provided with a transmission device for moving its two locating pins 12 relative to or away from each other.

[0026] like Figure 4 As shown, the transmission device includes a connecting frame 17 and a wedge block 18. The connecting frame 17 is fixedly provided at the corresponding position in the middle of the mounting seat 11. The connecting frame 17 is provided with a wedge block 18 that can move up and down. A cavity is opened in the mounting seat 11 corresponding to the wedge block 18. The top wall and the bottom wall of the cavity are respectively provided with through grooves 21 into which the wedge block 18 can be inserted. The ends of the two positioning pins 12 extending into the cavity are provided with matching surfaces that are compatible with the wedge block 18.

[0027] like Figure 3 As shown, a plurality of middle placement plates 10 are equidistantly arranged on the four support rods 8 between the top placement plate 9 and the bottom placement plate 7. The arrangement of the middle placement plates 10 can increase the placement requirement for the zinc oxide resistor.

[0028] Embodiment 2

[0029] Based on the first embodiment, Figure 4 As shown, the specific structure of the wedge block 18 moving up and down is as follows:

[0030] An adjusting screw 19 is threadedly provided on the connection frame 17 corresponding to the middle position of the wedge block 18. The end of the adjusting screw 19 extending into the connection frame 17 abuts against the wedge block 18. When the adjusting screw 19 is rotated, the wedge block 18 is driven to move downward under the action of the thread force. When the external force on the wedge block 18 is eliminated, the wedge block 18 can be automatically reset under the action of the reset spring 16.

[0031] A locking nut 20 adapted to the adjusting screw 19 is also provided at the contact position of the top surface of the connecting frame 17 . The setting of the locking nut 20 can prevent the adjusting screw 19 from loosening during use.

[0032] After the trolley is lifted up, the bracket 6 is lifted up and the fixing plate 12 is lifted off, and the fixing plate 13 is lifted off, and the fixing plate 14 is lifted off.

[0033] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A drying oven for producing zinc oxide resistors, comprising a drying oven (1) and a door (2) hinged to the drying oven (1), characterized in that: Slide rails (3) are fixedly provided at the left and right ends of the top wall and the bottom wall of the drying box (1) along the width direction thereof, each of the slide rails (3) is provided with a sliding seat (4) adapted thereto, and support frames (5) are fixedly provided at the front and rear sides of the opposite end surfaces of the two sliding seats (4) at the same end; A detachable placement frame (6) is commonly provided in the four support frames (5), and the placement frame (6) comprises a bottom placement plate (7), a support rod (8) and a top placement plate (9), support rods (8) are respectively fixedly provided at the four corners of the bottom placement plate (7), the top surfaces of the four support rods (8) are commonly connected to the top placement plate (9), and mounting seats (11) are respectively fixedly provided on the front and rear sides of the opposite end surfaces of the top placement plate (9) and the bottom placement plate (7), and adjustment devices connected to the support frames (5) are respectively provided on the mounting seats (11).

2. The oven for producing zinc oxide resistor according to claim 1, characterized in that: The adjusting device comprises a positioning pin (12), a pressure plate (15) and a return spring (16); cavities (14) are symmetrically provided at the left and right ends of each mounting seat (11), and a positioning pin (12) movable left and right is provided in the cavity (14); a pressure plate (15) is fixedly provided on the positioning pin (12) near the bottom wall of the cavity (14), and a return spring (16) is wound between the pressure plate (15) and the top wall of the cavity (14); pin holes (13) matching the positioning pins (12) are provided on the support frame (5) corresponding to the positioning pins (12), and a transmission device for moving the two positioning pins (12) relative to or away from each other is also provided on each mounting seat (11).

3. The oven for producing zinc oxide resistor according to claim 2, characterized in that: The transmission device comprises a connection frame (17) and a wedge block (18). The connection frame (17) is fixedly provided at corresponding positions in the middle of the mounting seat (11). A wedge block (18) movable up and down is provided in the connection frame (17). A cavity is provided in the mounting seat (11) corresponding to the wedge block (18). Through grooves (21) capable of extending into the wedge block (18) are provided on the top wall and the bottom wall of the cavity.

4. The oven for producing zinc oxide resistor according to claim 3, characterized in that: An adjusting screw (19) is threadedly inserted into the connection frame (17) corresponding to the middle position of the wedge block (18). The end of the adjusting screw (19) extending into the connection frame (17) abuts against the wedge block (18).

5. The oven for producing zinc oxide resistor according to claim 4, characterized in that: The adjusting screw rod (19) is also provided with a locking nut (20) matched with the adjusting screw rod (19) at the contact position with the top surface of the connecting frame (17).

6. An oven for producing zinc oxide resistors according to any one of claims 1 to 5, characterized in that: A plurality of middle placement plates (10) are also equidistantly arranged on the four support rods (8) between the top placement plate (9) and the bottom placement plate (7).

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