Numerical control lathe feeding equipment

Abstract

The utility model relates to the technical field of lathe feeding, in particular to numerical control lathe feeding equipment. Comprising a frame body assembly, a stabilizing assembly, an adjusting assembly, a power assembly and a clamping assembly, the frame body assembly comprises a supporting plate, a feeding table and a lathe body, the stabilizing assembly comprises a stabilizing plate and a sliding column, the adjusting assembly comprises an adjusting box and a first screw rod, and the power assembly comprises a power box, a second limiting rod and a second screw rod. And the clamping assembly comprises a clamping plate and a positioning plate, one end of the first moving plate is connected with a first linkage plate, and the end, away from the first moving plate, of the first linkage plate is connected with an electric push rod. And when the two second moving plates move gradually close to each other under the action of a second screw rod and a second limiting rod, the second moving plates drive the two clamping assemblies to move gradually close to each other in the moving process, and then the two ends of the material body are clamped and fixed through the two clamping assemblies.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe feeding technical field, concretely is a numerical control lathe feeding equipment. BACKGROUND

[0002] In the industrial production process, the processing of materials is an essential link, and in modern mechanical manufacturing and industrial production, in order to save human resources and improve efficiency, more and more use lathe to process materials, numerical control lathe has the characteristics of high efficiency, high flexibility, high precision, stable processing quality, reliable, and is widely used.

[0003] The lathe is mainly used for turning the rotating workpiece, and the corresponding processing can be carried out on the lathe by using drill, reamer, reamer, tap, die and knurling tool.

[0004] The numerical control lathe feeding equipment needs to clamp and fix the material body during feeding, and the existing numerical control lathe feeding equipment cannot clamp the material body twice when clamping and fixing the material body. UTILITY MODEL CONTENTS

[0005] In view of the above problems, the utility model aims at providing a numerical control lathe feeding equipment, which solves the problem that the material body cannot be clamped twice when clamping and fixing the material body. The positioning plate and the clamping plate clamp the material body in the bearing groove twice, thereby ensuring the clamping and fixing effect of the material body.

[0006] To achieve the above purpose, the utility model adopts the technical scheme: a numerical control lathe feeding equipment, comprising a frame assembly, a stable assembly, an adjusting assembly, a power assembly and a clamping assembly, the frame assembly comprises a support plate, a feeding table and a lathe body, the stable assembly comprises a stable plate and a sliding column, the adjusting assembly comprises an adjusting box and a first screw rod, the power assembly comprises a power box, a second limiting rod and a second screw rod, the clamping assembly comprises a clamping plate and a positioning plate, the inner side of the stable plate is provided with a first sliding groove, the inner side of the adjusting box is provided with a first limiting rod, the both ends of the first screw rod are connected with a first rotating shaft, the outer ring of the first screw rod is provided with a first moving plate, one end of the first moving plate is connected with a first linkage plate, the end of the first linkage plate away from the first moving plate is connected with an electric push rod, the inner side of the power box is provided with a second partition plate, the outer ring of the second screw rod is provided with a second moving plate, one end of the clamping plate is connected with a bearing plate, and the inner side of the clamping plate is provided with a second sliding groove.

[0007] The utility model discloses beneficial effect is: when the clamping plate moves, drive the positioning plate to move, then the positioning plate is contacted with the material body in the bearing groove, at this moment, the clamping plate continues to move, and the positioning plate slides into the second sliding groove under the resistance of the material body, and the positioning plate exerts force on the compression spring in the process of sliding, and the compression spring generates elastic deformation under the exerted effect and pushes the positioning plate to closely adhere to the material body, and until the positioning plate and the clamping plate produce double clamping to the material body in the bearing groove, and further guarantee the effect of clamping fixed to the material body.

[0008] In order to improve the stability of the power box in the moving process by the sliding of the sliding column in the first sliding groove:

[0009] As a further improvement of the above technical solution: the two stable plates are symmetrically arranged at the two ends of the adjusting box, the stable plates are welded at the lower end of the supporting plate, the sliding column is arranged on the inner side of the first sliding groove, the lower end of the sliding column is connected with the connecting plate, the lower end of the stable plate is provided with a groove for the sliding of the connecting plate, the connecting plate is slidably connected with the first sliding groove through the sliding column, and the end of the connecting plate away from the sliding column is welded at the top of the power box.

[0010] The improved beneficial effect is: when the power box moves under the action of the first linkage plate, the power box moves and drives the two connecting plates to move, and the stability of the power box in the moving process is improved by the sliding of the sliding column in the first sliding groove.

[0011] In order to realize the adjustment of the transverse use position of the power box:

[0012] As a further improvement of the above technical solution: the adjusting box is installed at the lower end of the supporting plate, the inner side of the adjusting box is provided with a first motor electrically connected with the operation panel, the inner wall of the adjusting box is connected with a first partition plate, and the two ends of the first screw rod are connected with first shafts, one of the first shafts extends through the first partition plate and extends to the output end of the first motor through the coupling, and the other first shaft extends through the bearing and is rotatably connected with the inner wall of the adjusting box, the electric push rod is electrically connected with the operation panel, the lower end of the first moving plate extends through the groove in the bottom of the adjusting box and extends to be connected with the first linkage plate, the inner side of the first moving plate is provided with internal threads, and the first screw rod is rotatably connected with the first moving plate through the internal threads in the inner side of the first moving plate.

[0013] The improved beneficial effect is that the first motor is started to work, the first motor works and drives the rotation of the first screw rod through the first rotating shaft, then the first moving plate moves under the action of the first screw rod and the first limiting rod, the first moving plate drives the movement of the electric push rod through the first linkage plate in the moving process, thereby adjusting the transverse use position of the power box.

[0014] In order to make the second motor work and drive the rotation of the second screw rod through the connected second rotating shaft:

[0015] As a further improvement of the above technical solution: the inner side of the power box is provided with a second motor electrically connected with the operation panel, the second screw rod is a double-head screw rod, two ends of the second screw rod are connected with second rotating shafts, one end of one of the second rotating shafts away from the second screw rod penetrates through the second partition plate and extends to be connected with the output end of the second motor through a shaft coupling, and one end of the other second rotating shaft away from the second screw rod is rotatably connected with the inner wall of the power box through a bearing.

[0016] The improved beneficial effect is that after the second motor is started to work, the second motor works and drives the rotation of the second screw rod through the connected second rotating shaft, thereby realizing the movement of the second moving plate.

[0017] In order to make the two second moving plates gradually move close under the action of the second screw rod and the second limiting rod:

[0018] As a further improvement of the above technical solution: the second limiting rod is simultaneously connected with the two second moving plates in sliding mode, both ends of the second limiting rod are connected with the second partition plate, the inner side of the second moving plate is provided with an internal thread, and the second screw rod is rotatably connected with the second moving plate through the internal thread on the inner side of the second moving plate.

[0019] The improved beneficial effect is that when the second screw rod rotates under the action of the second motor, the two second moving plates gradually move close under the action of the second screw rod and the second limiting rod.

[0020] In order to realize the clamping and fixing of the two ends of the material body through the two groups of clamping assemblies:

[0021] As a further improvement of the above technical solution: the second moving plate is provided in two pieces and symmetrically installed on the inner side of the power box, the lower bottom wall of the power box is provided with a groove for the sliding of the second moving plate, and the lower end of the second moving plate penetrates through the groove provided on the lower bottom surface of the power box and extends to be connected with the top of the clamping plate.

[0022] The improved beneficial effect is that when the two second moving plates gradually move close under the action of the second screw rod and the second limiting rod, the second moving plates drive the two groups of clamping assemblies to gradually move close during the movement, and the two groups of clamping assemblies clamp and fix the two ends of the material body.

[0023] In order to realize preliminary fixing of the two ends of the material body through the bearing plate:

[0024] As a further improvement of the above technical scheme, the lower end of the supporting plate is connected with a supporting frame, the clamping assemblies are two groups and are symmetrically arranged, the ends of the two clamping plates close to each other are connected with a bearing plate, and the inner side of the bearing plate is provided with a bearing groove.

[0025] The improved beneficial effect is that during use, the bearing plate is first adjusted to the two sides of the material body, then the two bearing plates are gradually moved close, and the two ends of the material body are inserted into the bearing groove at the same time, so that the two ends of the material body are preliminarily fixed through the bearing plate.

[0026] In order to realize double clamping of the material body in the bearing groove by the positioning plate and the clamping plate:

[0027] As a further improvement of the above technical scheme, the inner side of the upper part of the feeding table is provided with a storage groove, one end of the positioning plate is connected with a compression spring, the end of the compression spring away from the positioning plate is connected with the inner wall of the second sliding groove, the inner side of the positioning plate is provided with a clamping groove, and the inner wall of the second sliding groove is connected with a clamping strip.

[0028] The improved beneficial effect is that when the clamping plate moves, the positioning plate moves, then the positioning plate contacts the material body in the bearing groove, at this time, the clamping plate continues to move, the positioning plate slides into the second sliding groove due to the resistance of the material body, and the positioning plate exerts force on the compression spring during the sliding process, the compression spring is elastically deformed under the action and pushes the positioning plate to tightly contact the material body, and the positioning plate and the clamping plate realize double clamping of the material body in the bearing groove, so as to guarantee the clamping and fixing effect of the material body. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a front view structural schematic diagram of the utility model.

[0030] Figure 2 It is a structural schematic diagram of the feeding table of the utility model.

[0031] Figure 3 It is a sectional view structural schematic diagram of the adjusting box of the utility model.

[0032] Figure 4 It is a sectional view structural schematic diagram of the stabilizing plate of the utility model.

[0033] Figure 5 It is a cross-section structure schematic view of the power box of the utility model.

[0034] Figure 6 It is a cross-section structure schematic view of the clamping plate of the utility model.

[0035] Figure 7 It is a three-dimensional structure schematic view of the positioning plate of the utility model.

[0036] In the figure: 1, frame assembly; 11, support plate; 12, support frame; 13, feeding table; 14, storage groove; 15, lathe main body; 2, stabilizing assembly; 21, stabilizing plate; 22, first sliding groove; 23, sliding column; 24, connecting plate; 3, adjusting assembly; 31, adjusting box; 32, first motor; 33, first partition; 34, first limiting rod; 35, first screw rod; 36, first rotating shaft; 37, first moving plate; 38, first linkage plate; 39, electric push rod; 4, power assembly; 41, power box; 42, second motor; 43, second partition; 44, second limiting rod; 45, second screw rod; 46, second rotating shaft; 47, second moving plate; 5, clamping assembly; 51, clamping plate; 52, bearing plate; 53, bearing groove; 54, second sliding groove; 55, clamping strip; 56, compression spring; 57, positioning plate; 58, clamping groove. DETAILED DESCRIPTION

[0037] In order to make the person skilled in the art better understand the technical scheme of the utility model, the utility model is described in detail below in combination with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the utility model.

[0038] As Figures 1-7As shown, a feeding device for a CNC lathe includes a frame assembly 1, a stabilizing assembly 2, an adjusting assembly 3, a power assembly 4, and a clamping assembly 5. The frame assembly 1 includes a support plate 11, a feeding table 13, and a lathe body 15. The stabilizing assembly 2 includes a stabilizing plate 21 and a sliding column 23. The adjusting assembly 3 includes an adjusting box 31 and a first screw 35. The power assembly 4 includes a power box 41, a second limiting rod 44, and a second screw 45. The clamping assembly 5 includes a clamping plate 51 and a positioning plate 57. A first slide groove 22 is provided on the inner side of the stabilizing plate 21, a first limiting rod 34 is provided on the inner side of the adjusting box 31, and both ends of the first screw 35 are connected to a first rotating shaft 36. The outer ring of the screw 35 is provided with a first movable plate 37, one end of the first movable plate 37 is connected to the first linkage plate 38, and the end of the first linkage plate 38 away from the first movable plate 37 is connected to the electric push rod 39. The inner side of the power box 41 is provided with a second partition plate 43, and the outer ring of the second screw 45 is provided with a second movable plate 47. One end of the clamping plate 51 is connected to the bearing plate 52, and the inner side of the clamping plate 51 is provided with a second slide groove 54. There are two stabilizing plates 21 and they are symmetrically arranged at both ends of the adjustment box 31. The stabilizing plate 21 is welded to the lower end of the support plate 11. The sliding column 23 is arranged on the inner side of the first slide groove 22, and the lower end of the sliding column 23 is connected to the connecting plate 2 4. The lower end of the stabilizing plate 21 is provided with a groove for sliding the connecting plate 24. The connecting plate 24 is slidably connected to the first slide groove 22 through the sliding column 23. The end of the connecting plate 24 away from the sliding column 23 is welded to the top of the power box 41. When the power box 41 moves under the action of the first linkage plate 38, the power box 41 drives the two connecting plates 24 to move during the movement, and the sliding of the sliding column 23 in the first slide groove 22 improves the stability of the power box 41 during the movement. The adjusting box 31 is installed at the lower end of the support plate 11. The inner side of the adjusting box 31 is provided with a first motor 32 electrically connected to the operation panel. The inner wall of the adjusting box 31 is connected to There is a first partition 33, and both ends of the first screw 35 are connected to the first rotating shaft 36, one end of the first rotating shaft 36 away from the first screw 35 passes through the first partition 33 and extends to be connected to the output end of the first motor 32 through a coupling, and the other end of the first rotating shaft 36 away from the first screw 35 is rotatably connected to the inner wall of the adjustment box 31 through a bearing, and the electric push rod 39 is electrically connected to the operation panel. The lower end of the first movable plate 37 passes through the groove opened at the bottom of the adjustment box 31 and extends to be connected to the first linkage plate 38. The inner side of the first movable plate 37 is provided with an internal thread, and the first screw 35 is threadably connected to it through the internal thread inside the first movable plate 37;The operation of the first motor 32 is started, the first motor 32 works and drives the rotation of the first screw rod 35 through the first rotating shaft 36, then the first moving plate 37 moves under the action of the first screw rod 35 and the first limiting rod 34, the first moving plate 37 drives the movement of the electric push rod 39 through the first connecting plate 38 in the moving process, thereby adjusting the transverse use position of the power box 41, the inner side of the power box 41 is provided with a second motor 42 electrically connected with the operation panel, the second screw rod 45 is a double-head screw rod, two ends of the second screw rod 45 are connected with second rotating shafts 46, one end of one of the second rotating shafts 46 away from the second screw rod 45 penetrates through the second partition plate 43 and extends to be connected with the output end of the second motor 42 through the shaft coupling, the other end of the other second rotating shaft 46 away from the second screw rod 45 is rotatably connected with the inner wall of the power box 41 through a bearing; after the operation of the second motor 42 is started, the second motor 42 works and drives the rotation of the second screw rod 45 through the connected second rotating shaft 46, thereby realizing the movement of the second moving plate 47, the second limiting rod 44 is simultaneously and slidably connected with the two second moving plates 47, two ends of the second limiting rod 44 are connected with the second partition plate 43, the inner side of the second moving plate 47 is provided with internal threads, the second screw rod 45 is threadedly rotatably connected with the second moving plate 47 through the internal threads on the inner side of the second moving plate 47; when the second screw rod 45 rotates under the action of the second motor 42, the two second moving plates 47 move gradually close under the action of the second screw rod 45 and the second limiting rod 44, the two second moving plates 47 are symmetrically installed on the inner side of the power box 41, the lower bottom wall of the power box 41 is provided with a groove for the sliding of the second moving plate 47, the lower end of the second moving plate 47 penetrates through the groove provided on the lower bottom surface of the power box 41 and extends to be connected with the top of the clamping plate 51; when the two second moving plates 47 move gradually close under the action of the second screw rod 45 and the second limiting rod 44, the second moving plate 47 drives the two groups of clamping assemblies 5 to move gradually close in the moving process, thereby realizing the clamping and fixing of the two ends of the material body through the two groups of clamping assemblies 5, the lower end of the supporting plate 11 is connected with a support frame 12, the two groups of clamping assemblies 5 are symmetrically arranged, one end of the two clamping plates 51 away from each other is connected with a bearing plate 52, the inner side of the bearing plate 52 is provided with a bearing groove 53; in use, the bearing plate 52 is first adjusted to the two sides of the material body, then the two bearing plates 52 move gradually close, and until the two ends of the material body are inserted into the bearing groove 53, thereby realizing the preliminary fixing of the two ends of the material body through the bearing plate 52, the inner side of the upper part of the feeding table 13 is provided with a storage groove 14, one end of the positioning plate 57 is connected with a compression spring 56, the other end of the compression spring 56 away from the positioning plate 57 is connected with the inner wall of the second sliding groove 54, the inner side of the positioning plate 57 is provided with a clamping groove 58, and the inner wall of the second sliding groove 54 is connected with a clamping strip 55.The clamping plate 51 moves to drive the positioning plate 57 to move, and then the positioning plate 57 contacts the material in the bearing groove 53; at this time, the clamping plate 51 continues to move, the positioning plate 57 slides into the second sliding groove 54 due to the resistance of the material, and the positioning plate 57 exerts force on the compression spring 56 in the sliding process, the compression spring 56 is elastically deformed under the action of the force and pushes the positioning plate 57 to tightly fit the material, and the positioning plate 57 and the clamping plate 51 jointly clamp the material in the bearing groove 53, thereby guaranteeing the clamping and fixing effect of the material.

[0039] The working principle of the utility model is as follows: when in use, the bearing plate 52 is first adjusted to the two sides of the material, the second motor 42 is started to work and drive the rotation of the second screw rod 45 through the second shaft 46 connected with the second motor 42, thereby realizing the movement of the second moving plate 47; when the second screw rod 45 rotates under the action of the second motor 42, the two second moving plates 47 gradually move close to each other under the action of the second screw rod 45 and the second limiting rod 44, the second moving plate 47 drives the two sets of clamping assemblies 5 to gradually move close to each other in the moving process, thereby realizing the clamping and fixing of the two ends of the material through the two sets of clamping assemblies 5; the two second moving plates 47 gradually move close to each other under the action of the second screw rod 45 and the second limiting rod 44, then the two bearing plates 52 gradually move close to each other, and the two ends of the material are inserted into the bearing groove 53, thereby realizing the preliminary fixing of the two ends of the material through the bearing plate 52; when the clamping plate 51 moves to drive the positioning plate 57 to move, the positioning plate 57 contacts the material in the bearing groove 53; at this time, the clamping plate 51 continues to move, the positioning plate 57 slides into the second sliding groove 54 due to the resistance of the material, and the positioning plate 57 exerts force on the compression spring 56 in the sliding process, the compression spring 56 is elastically deformed under the action of the force and pushes the positioning plate 57 to tightly fit the material, and the positioning plate 57 and the clamping plate 51 jointly clamp the material in the bearing groove 53, thereby guaranteeing the clamping and fixing effect of the material; the first motor 32 is started to work and drive the rotation of the first screw rod 35 through the first shaft 36, then the first moving plate 37 moves under the action of the first screw rod 35 and the first limiting rod 34, the first moving plate 37 drives the movement of the electric push rod 39 through the first linkage plate 38 in the moving process, thereby realizing the adjustment of the transverse use position of the power box 41; when the power box 41 moves under the action of the first linkage plate 38, the power box 41 drives the movement of the two connecting plates 24 in the moving process, and the sliding column 23 slides in the first sliding groove 22 to improve the stability of the power box 41 in the moving process.

[0040] It should be noted that the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, such that processes, methods, articles, or apparatuses that comprise a list of elements are not required to include only those elements recited, but can include other elements not expressly listed or inherent to such processes, methods, articles, or apparatuses.

[0041] The principles and implementation modes of the present application are described by using specific examples in the present application. The above example is only used to help understand the method and core idea of the present application. The above description is only the preferred implementation mode of the present application. It should be pointed out that due to the limited expression of the text, there are objectively infinite specific structures. For ordinary skilled persons in the technical field, some improvements, refinements or changes can be made without departing from the principles of the present application, and the above technical features can be combined in a proper way. These improvements, refinements, changes or combinations, or the application of the concept and technical solution of the present application to other occasions without improvement, should be regarded as the protection scope of the present application.

Claims

1. A feeding device for a CNC lathe, comprising a frame assembly (1), a stabilizing assembly (2), an adjusting assembly (3), a power assembly (4), and a clamping assembly (5), wherein the frame assembly (1) comprises a support plate (11), a feeding platform (13), and a lathe body (15), the stabilizing assembly (2) comprises a stabilizing plate (21) and a sliding column (23), the adjusting assembly (3) comprises an adjusting box (31) and a first screw (35), the power assembly (4) comprises a power box (41), a second limiting rod (44), and a second screw (45), and the clamping assembly (5) comprises a clamping plate (51) and a positioning plate (57), characterized in that: A first sliding groove (22) is provided on the inner side of the stabilizing plate (21), a first limiting rod (34) is provided on the inner side of the regulating box (31), both ends of the first screw (35) are connected to a first rotating shaft (36), an outer ring of the first screw (35) is provided with a first movable plate (37), one end of the first movable plate (37) is connected to a first linkage plate (38), an end of the first linkage plate (38) away from the first movable plate (37) is connected to an electric push rod (39), a second partition plate (43) is provided on the inner side of the power box (41), a second movable plate (47) is provided on the outer ring of the second screw (45), one end of the clamping plate (51) is connected to a bearing plate (52), and a second sliding groove (54) is provided on the inner side of the clamping plate (51).

2. A CNC lathe feeding device according to claim 1, characterized in that: There are two stabilizing plates (21) and they are symmetrically arranged at both ends of the regulating box (31). The stabilizing plates (21) are welded to the lower end of the supporting plate (11). The sliding column (23) is arranged on the inner side of the first slide groove (22). The lower end of the sliding column (23) is connected with a connecting plate (24). The lower end of the stabilizing plate (21) is provided with a groove body for the connecting plate (24) to slide. The connecting plate (24) is slidably connected to the first slide groove (22) through the sliding column (23). The end of the connecting plate (24) away from the sliding column (23) is welded to the top of the power box (41).

3. The feeding device for a CNC lathe according to claim 1, characterized in that: The regulating box (31) is mounted on the lower end of the support plate (11), and a first motor (32) electrically connected to the operation panel is provided on the inner side of the regulating box (31). The inner wall of the regulating box (31) is connected to a first partition (33), and both ends of the first screw (35) are connected to a first rotating shaft (36), wherein one end of the first rotating shaft (36) away from the first screw (35) passes through the first partition (33) and extends to be connected to the output end of the first motor (32) through a coupling. Another end of the first rotating shaft (36) away from the first screw (35) is rotatably connected to the inner wall of the adjustment box (31) through a bearing, and the electric push rod (39) is electrically connected to the operation panel. The lower end of the first movable plate (37) passes through the groove body opened at the bottom of the adjustment box (31) and extends to be connected to the first linkage plate (38). The inner side of the first movable plate (37) is provided with an internal thread, and the first screw (35) is threadably connected to the inner side of the first movable plate (37) through the internal thread of the inner side of the first movable plate (37).

4. The feeding device for a CNC lathe according to claim 1, characterized in that: A second motor (42) electrically connected to the operation panel is provided on the inner side of the power box (41), the second screw (45) is a double-headed screw, and the two ends of the second screw (45) are connected to a second rotating shaft (46), one end of the second rotating shaft (46) away from the second screw (45) passes through the second partition (43) and extends to be connected to the output end of the second motor (42) through a coupling, and the other end of the second rotating shaft (46) away from the second screw (45) is rotatably connected to the inner wall of the power box (41) through a bearing.

5. The feeding device for a CNC lathe according to claim 1, characterized in that: The second limiting rod (44) is slidably connected to the two second movable plates (47) at the same time. Both ends of the second limiting rod (44) are connected to the second partition plate (43). An internal thread is provided on the inner side of the second movable plate (47). The second screw rod (45) is rotatably connected to the internal thread on the inner side of the second movable plate (47) through the internal thread.

6. The feeding device for a CNC lathe according to claim 1, characterized in that: There are two second movable plates (47) and they are symmetrically mounted on the inner side of the power box (41). A groove is provided on the lower bottom wall of the power box (41) for the second movable plates (47) to slide. The lower end of the second movable plate (47) passes through the groove provided on the lower bottom of the power box (41) and extends to connect with the top of the clamping plate (51).

7. The feeding device for a CNC lathe according to claim 1, characterized in that: The lower end of the support plate (11) is connected to a support frame (12), and the clamping components (5) are in two groups and are symmetrically arranged. One end of the two clamping plates (51) close to each other is connected to a bearing plate (52), and a bearing groove (53) is provided on the inner side of the bearing plate (52).

8. The feeding device for a CNC lathe according to claim 1, characterized in that: A material storage trough (14) is provided on the inner side of the upper part of the feeding platform (13), one end of the positioning plate (57) is connected to a compression spring (56), and the end of the compression spring (56) away from the positioning plate (57) is connected to the inner wall of the second chute (54), a card slot (58) is provided on the inner side of the positioning plate (57), and the inner wall of the second chute (54) is connected to a card strip (55).

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