Composite die capable of improving windowing dislocation of cover film
By designing the punching mechanism and adjustment mechanism of the composite mold, the stamping rod and punching head are used to punch the cover film at one time, which solves the problem of window misalignment of the cover film caused by the narrow middle distance of the pad of the wireless charging product, and improves the product quality.
Patent Information
- Application Number
- CN202420144566.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-20
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-01-20
AI Technical Summary
The distance between the pads of wireless charging products is narrow, which may cause the rotary punch mold to be misaligned when the surface is turned and directional, affecting product quality.
A composite mold is designed, including a punching mechanism and an adjustment mechanism. The punching mechanism consists of a stamping rod, a control shaft and a punching head. The connecting plate is driven down through the stamping rod, and the covering film is punched through the punching head. , avoid multiple turns and direction changes, and prevent windows from being misaligned.
The film window opening is achieved in a one-time punching operation, avoiding the misalignment caused by the mold turn and direction change, and improving product quality.
Smart Images

Figure CN222430978U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of window opening of covering films, and in particular to a composite mould capable of improving the misalignment of window opening of covering films. Background Art
[0002] The cover film of a circuit board is usually a protective surface material used to cover the conductive components and lines on the circuit board to provide protection and insulation. This cover film is usually a polymer material such as epoxy resin or polyimide. Its main functions include protecting the conductive components from environmental factors such as moisture, chemicals and dust, while providing additional mechanical strength and wear resistance.
[0003] In the prior art, since the distance between the pads of wireless charging products is relatively narrow, such as 0.4-0.45mm, when making a precision mold rotary punch, the rotary punch mold turns back and forth to open a window on the covering film. When the rotary punch mold turns back and forth, the pads may be misaligned, affecting product quality. Utility Model Content
[0004] The technical problems to be solved by the utility model are as follows:
[0005] The distance between the pads of wireless charging products is relatively narrow, such as 0.4-0.45mm. When making precision mold rotary punching, the rotary punching mold turns back and forth to open windows on the covering film. When the rotary punching mold turns back and forth, the pads may be misaligned, affecting product quality.
[0006] The purpose of the utility model can be achieved through the following technical solutions:
[0007] A composite mold capable of improving the misalignment of window openings in a covering film, comprising a punching mechanism, an adjusting mechanism being arranged below the punching mechanism, and the punching mechanism comprising a punching rod and a control shaft;
[0008] Also includes:
[0009] The adjustment mechanism further comprises a lower template, which is L-shaped, a socket is provided on one inner wall of the lower template, a connecting groove is provided on one inner wall of the socket, a connecting protrusion is fixedly connected to the other side of the socket, the connecting groove and the connecting protrusion are of the same height, and the connecting groove and the connecting protrusion can fit each other in shape;
[0010] Wherein, a placement groove is provided at the top of the lower template and above the socket, and positioning shafts are fixedly connected around the top of the placement groove and located on both sides of the socket;
[0011] Among them, the inner wall of the socket and the side close to the connecting groove are slidably connected with the combined template 1, the inner wall of the socket and the side close to the connecting convex are slidably connected with the combined template 2, and the other side of the outer wall of the combined template 2 is slidably connected to the combined template 1, and the tops of the combined templates 1 and 2 are both provided with a plurality of punched holes.
[0012] As a further solution of the utility model: a plurality of limit rods are fixedly installed on the top of the lower template on the side away from the placement groove, and the limit rods are distributed in two rows, and the limit rods in each row are arranged equidistantly.
[0013] As a further solution of the utility model: the outer side walls of several of the limit rods are rotatably connected with a rotating sleeve, the tops of several of the limit rods are fixedly connected with an upper template, the top side wall of the rotating sleeve is rotatably connected to the upper template, and the bottom side wall of the rotating sleeve is rotatably connected to the lower template.
[0014] As a further solution of the utility model: positioning grooves are opened on all four sides of the top inner wall of the upper template, and the four upper templates surround a rectangular area, and the surrounding areas of the four upper templates are consistent in size and shape with the surrounding areas of the four positioning axes.
[0015] As a further solution of the utility model: the middle inner wall of the lower template is hollowed out, and a limit frame is fixedly installed at the bottom of the lower template and below the hollowed-out part, the inner wall of the limit frame is slidably connected with a baffle, the inner wall of the baffle and the inner wall of the hollowed-out part of the lower template are both slidably connected with a baffle, the top of one side of the baffle is slidably connected to the upper template, and a threaded sleeve is symmetrically fixedly installed at the bottom of the other side of the baffle.
[0016] As a further solution of the utility model: a threaded rod is rotatably connected to the inner wall of the lower template and close to the threaded sleeve, two threaded rods are arranged symmetrically, the tops of the threaded rods on both sides pass through the lower template and are fixedly connected with knobs, and the outer wall of the threaded rod is threadedly sleeved with the threaded sleeve.
[0017] As a further solution of the utility model: a connecting plate is fixedly installed on the bottom of the punching rod, the connecting plate is located above the placement groove, and the bottom of the connecting plate is rotatably connected to a control shaft, and a punch head is fixedly installed on the bottom of the control shaft, and the outer side walls of each punch head are movably connected to the inner wall of the punch hole.
[0018] Beneficial effects of the utility model:
[0019] (1) The utility model is provided with a punching rod to drive the connection plate to press downward, and a plurality of punching heads are used to punch the covering film under the connection plate. The punching heads can punch multiple places of the covering film at the same time, and the window opening work can be completed at one time. The punching heads do not need to turn around and change direction multiple times to prevent the window from being misplaced.
[0020] (2) The utility model places the cut covering film on the top of the lower template for punching, and the punching holes inside the lower template are respectively opened on different combination templates. The combination templates are spliced with each other and can be pulled out and replaced, which is convenient for responding to different production needs. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The utility model is further described below in conjunction with the accompanying drawings.
[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0023] Figure 2 It is a cross-sectional schematic diagram of the internal structure of the lower template in the utility model;
[0024] Figure 3 It is a schematic diagram of the overall structure of the limiting rod in the utility model;
[0025] Figure 4 It is a top view schematic diagram of the overall structure of the lower template in the utility model;
[0026] Figure 5 It is a side structural schematic diagram of the lower template in the utility model.
[0027] In the figure: 1. punching mechanism; 101. punching rod; 102. connecting plate; 103. control shaft; 104. punch head; 2. adjusting mechanism; 201. lower template; 202. limiting rod; 203. upper template; 204. rotating sleeve; 205. baffle; 206. limiting frame; 207. threaded sleeve; 208. threaded rod; 209. knob; 210. positioning groove; 211. socket; 212. connecting groove; 213. connecting convex; 214. placement groove; 215. combination template one; 216. combination template two; 217. positioning shaft; 218. punching hole. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] like Figure 1-5As shown, a composite mold capable of improving the misalignment of window openings in a covering film comprises a punching mechanism 1, an adjusting mechanism 2 is arranged below the punching mechanism 1, the punching mechanism 1 comprises a punching rod 101 and a control shaft 103; and further comprises: wherein the adjusting mechanism 2 further comprises a lower template 201, the lower template 201 is L-shaped, a socket 211 is provided on an inner wall of one side of the lower template 201, a connecting groove 212 is provided on one side of the inner wall of the socket 211, a connecting protrusion 213 is fixedly connected to the other side of the socket 211, the connecting groove 212 and the connecting protrusion 213 have the same height, and the connecting groove 212 and the connecting protrusion 213 can fit each other in shape. ; wherein, a placement groove 214 is provided at the top of the lower template 201 and located above the socket 211, and a positioning shaft 217 is fixedly connected around the top of the placement groove 214 and located on both sides of the socket 211; wherein, a combination template 1 215 is slidably connected to the inner wall of the socket 211 and the side close to the connecting groove 212, and a combination template 2 216 is slidably connected to the inner wall of the socket 211 and the side close to the connecting protrusion 213, and the other side of the outer wall of the combination template 2 216 is slidably connected to the combination template 1 215, and a plurality of punching holes 218 are provided on the tops of the combination template 1 215 and the combination template 2 216, such as Figure 5 As shown, the distance from the top side of the connecting groove 212 and the connecting protrusion 213 to the top side of the socket 211 is inconsistent with the distance from the bottom side of the connecting groove 212 and the connecting protrusion 213 to the bottom side of the socket 211, so as to prevent the combination template 1 215 and the combination template 2 216 from being inserted incorrectly;
[0030] A plurality of limiting rods 202 are fixedly installed on the top of the lower template 201 on the side away from the placement groove 214. The limiting rods 202 are distributed in two rows, and the limiting rods 202 in each row are arranged equidistantly. Figure 1-3 As shown, a covering film is inserted into the inner side of the limiting rod 202;
[0031] The outer side walls of the plurality of limit rods 202 are rotatably connected to the rotating sleeve 204, the tops of the plurality of limit rods 202 are fixedly connected to the upper template 203, the top side wall of the rotating sleeve 204 is rotatably connected to the upper template 203, and the bottom side wall of the rotating sleeve 204 is rotatably connected to the lower template 201, such as Figure 1-3 As shown, the rotating sleeve 204 squeezes both sides of the covering film to prevent the covering film from deflecting;
[0032] The top inner wall of the upper template 203 is provided with positioning grooves 210 all around, and the four upper templates 203 surround a rectangular area, and the area around the four upper templates 203 is consistent in size and shape with the area around the four positioning shafts 217. Figure 4 As shown, the covering film below is punched through the positioning groove 210;
[0033] The middle inner wall of the lower template 201 is hollowed out, and a limit frame 206 is fixedly installed at the bottom of the lower template 201 and below the hollowed-out part. The inner wall of the limit frame 206 is slidably connected with a baffle 205. The inner wall of the baffle 205 and the inner wall of the hollowed-out part of the lower template 201 are both slidably connected with the baffle 205. The top of one side of the baffle 205 is slidably connected to the upper template 203, and the bottom of the other side of the baffle 205 is symmetrically fixedly installed with a threaded sleeve 207, as shown in FIG. Figure 1-3 As shown, the baffle 205 positions the covering film in horizontal distance;
[0034] The inner wall of the lower template 201 is rotatably connected to the threaded sleeve 207. Two threaded rods 208 are arranged symmetrically. The tops of the threaded rods 208 on both sides pass through the lower template 201 and are fixedly connected to knobs 209. The outer wall of the threaded rod 208 is threadedly sleeved with the threaded sleeve 207. Figure 1-3 and Figure 4 As shown, the baffle 205 is driven to move up and down by rotating the knobs 209 on both sides at the same time;
[0035] The bottom of the punch rod 101 is fixedly installed with a connecting plate 102, which is located above the placement slot 214, and the bottom of the connecting plate 102 is rotatably connected to the control shaft 103, and the bottom of the control shaft 103 is fixedly installed with a punch head 104, and the outer side walls of each punch head 104 are movably connected to the inner wall of the punch hole 218, such as Figure 1 As shown, the punch head 104 is driven to rotate by the control shaft 103 and punches the covering film on the inner side of the punch hole 218.
[0036] The working principle of this utility model:
[0037] When the device is in use, the cut covering film is inserted into the inner side of the rotating sleeve 204, and the covering film is pushed toward the middle of the lower template 201 until it contacts the baffle 205, and then the covering film below the upper template 203 is punched through the positioning groove 210, and the holes around the covering film are used as positioning holes, and then the combination template 1 215 and the combination template 2 216 are combined and inserted into the inside of the socket 211;
[0038] Next, the knobs 209 on both sides are turned to drive the threaded rod 208 to rotate, and the threaded sleeve 207 drives the baffle 205 to slide down in the limit frame 206. When the top of the baffle 205 falls to the bottom of the lower template 201, the covering film is pushed into the placement groove 214, and the positioning holes around the covering film are set on the outside of the positioning shaft 217. Then, the punching rod 101 is started to drive the connecting plate 102 to descend, and the control shaft 103 is started to drive the punch head 104 to rotate. The punch head 104 punches the covering film on the inner side of the corresponding punching hole 218.
[0039] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.
Claims
1. A composite mold capable of improving the misalignment of window openings in a covering film, comprising a punching mechanism (1), an adjusting mechanism (2) being arranged below the punching mechanism (1), and the punching mechanism (1) comprising a punching rod (101) and a control shaft (103); It is characterized in that Also includes: The adjustment mechanism (2) further comprises a lower template (201), the lower template (201) is L-shaped, a socket (211) is provided on one inner wall of the lower template (201), a connecting groove (212) is provided on one inner wall of the socket (211), a connecting protrusion (213) is fixedly connected to the other side of the socket (211), the connecting groove (212) and the connecting protrusion (213) are of the same height, and the connecting groove (212) and the connecting protrusion (213) can fit each other in shape; A placement groove (214) is provided at the top of the lower template (201) and above the socket (211), and positioning shafts (217) are fixedly connected around the top of the placement groove (214) and on both sides of the socket (211); The inner wall of the socket (211) and one side close to the connection groove (212) is slidably connected to a first assembly template (215), the inner wall of the socket (211) and one side close to the connection protrusion (213) is slidably connected to a second assembly template (216), and the other side of the outer wall of the second assembly template (216) is slidably connected to the first assembly template (215), and the tops of the first assembly template (215) and the second assembly template (216) are both provided with a plurality of punched holes (218).
2. A composite mold capable of improving the misalignment of window openings in a covering film according to claim 1, characterized in that: A plurality of limiting rods (202) are fixedly mounted on the top of the lower template (201) at a side away from the placement groove (214), and the limiting rods (202) are distributed in two rows, and the limiting rods (202) in each row are arranged at equal distances.
3. A composite mold capable of improving the misalignment of window openings in a covering film according to claim 2, characterized in that: The outer side walls of a plurality of the limit rods (202) are rotatably connected to a rotating sleeve (204), the tops of a plurality of the limit rods (202) are fixedly connected to an upper template (203), the top side wall of the rotating sleeve (204) is rotatably connected to the upper template (203), and the bottom side wall of the rotating sleeve (204) is rotatably connected to the lower template (201).
4. A composite mold capable of improving the misalignment of window openings in a covering film according to claim 3, characterized in that: Positioning grooves (210) are provided around the top inner wall of the upper template (203), and a rectangular area is surrounded by the four upper templates (203), and the area surrounded by the four upper templates (203) is consistent in size and shape with the area surrounded by the four positioning axes (217).
5. The composite mold capable of improving the misalignment of the window opening of the covering film according to claim 1, characterized in that: The middle inner wall of the lower template (201) is hollowed out, and a limit frame (206) is fixedly installed at the bottom of the lower template (201) and below the hollowed-out portion, the inner wall of the limit frame (206) is slidably connected to a baffle (205), the inner wall of the baffle (205) and the inner wall of the hollowed-out portion of the lower template (201) are both slidably connected to the baffle (205), the top of one side of the baffle (205) is slidably connected to the upper template (203), and the bottom of the other side of the baffle (205) is symmetrically fixedly installed with a threaded sleeve (207).
6. The composite mold capable of improving the misalignment of the window opening of the covering film according to claim 1, characterized in that: A threaded rod (208) is rotatably connected to the inner wall of the lower template (201) and close to the threaded sleeve (207). Two threaded rods (208) are provided and are symmetrically arranged. The tops of the threaded rods (208) on both sides pass through the lower template (201) and are fixedly connected to knobs (209). The outer wall of the threaded rod (208) is threadedly sleeved with the threaded sleeve (207).
7. The composite mold capable of improving the misalignment of the window opening of the covering film according to claim 1, characterized in that: A connecting plate (102) is fixedly mounted on the bottom of the punching rod (101), the connecting plate (102) is located above the placement groove (214), and a control shaft (103) is rotatably connected to the bottom of the connecting plate (102), a punch head (104) is fixedly mounted on the bottom of the control shaft (103), and the outer side walls of each punch head (104) are movably connected to the inner wall of the punch hole (218).