Workpiece striking device and casing machine

Abstract

The application provides a workpiece hitting device and a sleeving machine, and relates to the field of part machining, and solves the problem that after the blade of the sleeving machine is passivated, the staff cannot replace the blade in time, and the continued work of the blade affects product quality. The workpiece hitting device comprises a monitoring mechanism and a hitting mechanism, the monitoring mechanism is electrically connected with the hitting mechanism, and is used for starting the hitting mechanism when it is monitored that the workpiece works to a set time and / or a set number of times; at least part of the hitting mechanism is movably arranged, and the part can collide with the workpiece during movement to damage and / or knock off the workpiece. The workpiece hitting device starts the hitting mechanism when the workpiece works to the set time or the set number of times through the monitoring mechanism, and the movable part of the hitting mechanism collides with the workpiece to damage or knock off the workpiece, so that the staff can find that the workpiece is damaged or knocked off in time, and the workpiece can be replaced in time, and the continued work of the workpiece does not affect product quality.

Description

Technical Field

[0001] This invention relates to the field of parts processing technology, and in particular to a workpiece striking device and a sleeve machine. Background Technology

[0002] The casing process requires cutting the casing. The casing machine is equipped with blades for cutting the casing. During the casing process, the blades wear down and need to be replaced after a period of use. On average, the blades commonly used on casing machines become severely dull after cutting casings approximately 12,000 times, affecting product quality.

[0003] The applicant has discovered that the existing technology has at least the following technical problems: On the processing production line, each employee needs to monitor multiple sleeve cutting machines. With the existing sleeve cutting machines, after the blades become severely dull, it is difficult for employees to detect the dulling of the blades, and it is impossible to manually monitor the number of cuts for each blade. The blades cannot be replaced in time, which often leads to the sleeve cutting process continuing even after the blades have become severely dull.

[0004] The dulling of the blade causes cracks in the cut of the sleeve. More seriously, when the sleeve is heat-shrinked at the next station, the high temperature of 200℃ causes the cracks to widen, increasing the defect rate. When the sleeve is defective during external inspection, it needs to be reworked, stripped, and recut and re-sleeved, which seriously affects the efficiency, energy consumption, and return on investment. Summary of the Invention

[0005] The purpose of this invention is to provide a workpiece striking device and a sleeve-making machine to solve the technical problem in the prior art where it is difficult for employees to detect and replace dull sleeve-making machine blades in a timely manner, and the continued operation of the blades affects product quality. The various technical effects of the preferred technical solutions provided by this invention are described in detail below.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] This invention provides a workpiece striking device, comprising a monitoring mechanism and a striking mechanism, wherein:

[0008] The monitoring mechanism is electrically connected to the striking mechanism and is used to activate the striking mechanism when the workpiece is detected to have worked for a set time and / or a set number of times.

[0009] At least a portion of the striking mechanism is movably disposed, and this portion is capable of colliding with the workpiece during movement to damage and / or knock the workpiece off.

[0010] Preferably, the striking mechanism has a striking part that can reciprocate linearly in directions toward and away from the workpiece, and the workpiece is located on the movement path of the striking part.

[0011] Preferably, the striking mechanism includes an electromagnet, and the guide rod of the electromagnet is used to strike the workpiece;

[0012] Alternatively, the striking mechanism may include a telescopic cylinder, the telescopic end of which is used to strike the workpiece.

[0013] Preferably, the workpiece striking device further includes a limit reset mechanism, wherein the limit reset mechanism is connected to the striking part and is used to pull the striking part to reset.

[0014] Preferably, the limiting and resetting mechanism includes a connecting rod and an elastic telescopic member, wherein:

[0015] One end of the connecting rod is connected to the elastic telescopic member, and the other end is connected to the end of the striking part that is away from the workpiece; the connecting rod can rotate and stretch the elastic telescopic member when the striking part moves toward the workpiece, so that the elastic telescopic member provides a restoring force to the striking part.

[0016] Preferably, the workpiece striking device further includes a frame, and the striking mechanism is fixed to the frame; the frame has a positioning post, and the connecting rod has a mounting hole through which the positioning post passes, wherein:

[0017] The positioning column is rotatably connected to the frame and fixedly connected to the mounting hole;

[0018] Alternatively, the positioning column is fixedly connected to the frame and rotatably connected to the mounting hole.

[0019] Preferably, the workpiece striking device further includes a frame, and the striking mechanism is fixed on the frame; the frame has a mounting part, the mounting part is inclined relative to the workpiece, and the striking mechanism is inclinedly fixed above the workpiece so that the striking mechanism can collide with the surface of the workpiece.

[0020] Preferably, the workpiece striking device further includes a frame, the striking mechanism is fixed to the upper part of the frame, and the height of the frame in the vertical direction is adjustable.

[0021] Preferably, the frame includes a base and a fixed frame connected together, and the striking mechanism is connected to the fixed frame. In this case, one of the fixed frame and the base is provided with a first adjustment hole, and the other is provided with a fixed hole. The first adjustment hole extends in a vertical direction, and a locking member connects and fixes the fixed hole and the first adjustment hole at different positions, thereby adjusting the vertical height of the fixed frame.

[0022] Preferably, the frame further includes a mounting plate, the striking mechanism is fixed to the mounting plate, one end of the mounting plate extends toward the workpiece side, and the other end is detachably fixed to the fixed frame by a locking member, so as to adjust the inclination of the mounting plate relative to the workpiece.

[0023] Preferably, the workpiece striking device further includes a frame, and the striking mechanism is fixed on the frame; the bottom of the frame has a second adjustment hole, which extends toward the workpiece side, and a locking member connects different positions of the second adjustment hole to the base of the device to adjust the distance between the striking device and the workpiece.

[0024] Preferably, the monitoring agency includes:

[0025] A counting mechanism is used to record the number of times the workpiece is worked.

[0026] Both the counting mechanism and the striking mechanism are electrically connected to the control system of the equipment. When the counting mechanism detects that the workpiece has worked to a set number of times, it can transmit the information to the control system, which is used to control the striking mechanism to start.

[0027] Preferably, the workpiece striking device further includes an alarm mechanism, which is electrically connected to the control system of the equipment. The control system is used to activate the alarm mechanism when it receives a signal that the workpiece is missing at the workstation.

[0028] The present invention also provides a sleeve-making machine, including a blade and the above-mentioned workpiece striking device, wherein the blade serves as the workpiece and a striking station is provided on its side, and the workpiece striking device is located on the striking station.

[0029] Compared with existing technologies, this invention has the following advantages: The workpiece striking device monitors the workpiece's operation through a monitoring mechanism. When the workpiece reaches a set usage time or a set number of operations, the striking mechanism is activated. The movable part of the striking mechanism collides with the workpiece, damaging or knocking it off. This facilitates timely detection and replacement by workers, preventing the workpiece from continuing to operate and affecting product quality. The sleeve-making machine, equipped with the aforementioned workpiece striking device, can strike and damage the blade, allowing for timely detection and replacement by workers. This prevents blade dulling, which can lead to cracking of the sleeve cut, affecting product quality and reducing production efficiency. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the overall mating structure between the workpiece striking device and the workpiece of the present invention;

[0032] Figure 2 This is a schematic diagram of the frame structure in the workpiece striking device;

[0033] Figure 3 This is a schematic diagram of the limit reset mechanism.

[0034] In the figure: 1. Frame; 11. Base; 111. Fixing hole; 112. Second adjustment hole; 12. Fixing frame; 121. First adjustment hole; 13. Mounting plate; 2. Electromagnet; 21. Guide rod; 3. Workpiece; 4. Limiting and resetting mechanism; 41. Connecting rod; 42. Positioning column; 43. Elastic telescopic component; 5. Equipment base. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be described in detail below. Obviously, the described embodiments are merely some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0036] In the description of this invention, it should be understood that the terms "center," "length," "width," "height," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and "side," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0037] This invention provides a workpiece striking device and sleeve machine capable of destroying or knocking off workpieces, facilitating timely replacement by workers and preventing the workpieces from continuing to work and affecting product quality.

[0038] The following is combined Figures 1-3The technical solution provided by this invention will be described in more detail below.

[0039] Example 1

[0040] like Figures 1-3 As shown, this embodiment provides a workpiece striking device, including a monitoring mechanism and a striking mechanism, wherein: the monitoring mechanism is electrically connected to the striking mechanism and is used to activate the striking mechanism when the workpiece has been working for a set time and / or a set number of times; at least a portion of the striking mechanism is movably arranged, and this portion can collide with the workpiece 3 during movement to damage the workpiece and / or knock it off the device.

[0041] The aforementioned workpieces refer to those that need to be replaced after a period of operation to prevent impact on product quality, such as blades and cutting tools. Workpiece damage refers to issues such as breakage or significant chips that render the work unusable.

[0042] The workpiece striking device in this embodiment destroys the workpiece on the equipment, thereby solving the product quality problem caused by the continued operation of workpiece 3 without timely replacement, thus improving product quality, reducing rework, and improving production quality.

[0043] The workpiece striking device activates when the workpiece has been working for a set time or a set number of times, through a monitoring mechanism. The movable part of the striking mechanism collides with the workpiece, damaging or knocking the workpiece 3 off. This allows staff to promptly detect when the workpiece 3 is damaged or knocked off and replace it in time, preventing the workpiece 3 from continuing to work and affecting product quality.

[0044] In this embodiment, compared to directly recording the working time and number of times the workpiece is worked, and directly alarming the staff to replace it when the workpiece has been worked for a certain time and a certain number of times, the striking mechanism in this embodiment can prevent the staff from forgetting to replace the workpiece, which would cause the workpiece to continue working and affect product quality.

[0045] As an optional implementation, the workpiece striking device further includes a frame 1, on which the striking mechanism is fixed and supported by the frame 1 at a position where it can contact the workpiece 3 on the equipment. By placing the striking mechanism beside the workpiece 3 through the frame 1 and supporting it at a position where it can contact the workpiece 3, it is easier for the striking mechanism to damage the workpiece 3.

[0046] As an optional implementation, the striking mechanism of this embodiment has a striking part that is movable, and the workpiece 3 is located on the movement path of the striking part. As part of the striking device, when the striking device is fixed on the frame 1, the striking part moves and collides with the workpiece 3, thereby damaging the workpiece 3.

[0047] As an optional implementation, the striking mechanism of this embodiment has a striking part that can reciprocate linearly in the direction toward and away from the workpiece 3, and the movement path of the striking part passes through the workpiece 3. The reciprocating motion of the striking part in the direction toward and away from the workpiece 3 enables it to strike and damage the workpiece 3 multiple times, or to strike and damage multiple workpieces 3. Furthermore, the linear motion ensures that each movement collides with the workpiece 3, preventing deviation of the movement path from causing the striking part to fail to contact or collide with the workpiece 3.

[0048] As an optional implementation, the striking mechanism of this embodiment includes an electromagnet 2, the guide rod 21 of which is used to collide with the workpiece 3; or, the striking mechanism includes a telescopic cylinder, the telescopic end of which is used to collide with the workpiece 3.

[0049] For ease of installation and operation, please refer to Figure 1 In this embodiment, the striking mechanism is an electromagnet 2, such as a push-pull electromagnet. The guide rod 21 of the electromagnet 2, acting as the striking part, can contact and collide with the workpiece 3 during movement, thereby damaging the workpiece 3. Compared to a telescopic cylinder, the electromagnet 2 is easier to install and control, and can save costs. Electromagnets are a mature existing technology, and their structure will not be described in detail here. For example, an electromagnet of model LS-156B can be used.

[0050] Setting the motion path of the striking part on the striking mechanism to a straight line can prevent the striking part from deviating from the workpiece 3. However, in actual work, it has been found that when the electromagnet 2 is used as the striking mechanism, on the one hand, the guide rod 21 of the electromagnet 2 has a certain response time, and the guide rod 21 sometimes cannot be reset in time. When the guide rod 21 cannot be reset in time, it affects the workpiece 3. On the other hand, there is a gap between the guide rod 21 and the electromagnet 2. During the process of the guide rod 21 being pushed out and retracted, the guide rod 21 is prone to shaking and deviates from the set straight motion path, which may result in the workpiece 3 not being hit.

[0051] In view of the above problems, the workpiece striking device in this embodiment also includes a limit reset mechanism 4, wherein the limit reset mechanism 4 is fixed on the frame 1 and connected to the striking part, and is used to pull the striking part to reset.

[0052] The function of the limit reset mechanism 4 is twofold: first, to connect with the striking part to prevent the striking part from shaking or deviating from the straight path during movement; and second, to provide a reset force for the striking part to assist it in quickly resetting.

[0053] See Figure 1 and Figure 3As shown, this embodiment provides a specific implementation of a limit reset mechanism 4. The limit reset mechanism 4 includes a connecting rod 41 and an elastic telescopic member 43, wherein: one end of the connecting rod 41 is connected to the elastic telescopic member 43, and the other end is connected to the end of the striking part away from the workpiece 3. Specifically, the connecting rod 41 is hinged to one end of the guide rod 21, as shown in the figure. Figure 3 As shown, it can assist in positioning the striking part and prevent the striking part from deviating from the set straight path; the connecting rod 41 can rotate and stretch the elastic telescopic member 43 when the striking part moves toward the workpiece 3, so that the elastic telescopic member 43 provides a restoring force for the striking part.

[0054] The aforementioned elastic telescopic component 43 can be a compression spring. The connecting rod 41 is rotatably connected to the frame 1. When the striking part (the guide rod 21 of the electromagnet 2) extends, the compression spring, which is the elastic telescopic component 43, is stretched. After the guide rod 21 of the electromagnet 2 collides with the workpiece 3, the elastic restoring force of the elastic telescopic component 43 will quickly pull the guide rod 21 back, ensuring that the guide rod 21 is reset in time.

[0055] In order to allow the connecting rod 41 to be rotatably mounted on the frame 1, as an optional implementation, see [link to implementation details]. Figure 2 and Figure 3 As shown, the frame 1 in this embodiment has a positioning post 42, and the connecting rod 41 has a mounting hole. The positioning post 42 passes through the mounting hole, wherein: the positioning post 42 is rotatably connected to the frame 1 and fixedly connected to the mounting hole; or, the positioning post 42 is fixedly connected to the frame 1 and rotatably connected to the mounting hole.

[0056] The mounting hole on the connecting rod 41 is limited to the positioning post 42, so that the connecting rod 41 can rotate around the positioning post 42 as the axis under the pull of the guide rod 21 or the elastic telescopic member 43, thereby facilitating the guide rod 21 to quickly reset when the connecting rod 41 rotates.

[0057] The workpiece striking device is located at a station next to the workpiece 3. In order not to affect the work of the workpiece 3, the workpiece striking device is arranged at an interval from the workpiece 3.

[0058] To ensure that the linearly moving striking part contacts and collides with the workpiece 3, as an optional implementation, the frame 1 in this embodiment has a mounting part, which is inclined relative to the workpiece 3, and the striking mechanism is inclinedly fixed above the workpiece 3, such as... Figure 1 As shown, because the striking mechanism is located above and inclined relative to workpiece 3, it can collide with the surface of workpiece 3. See also Figure 1 As shown, the guide rod 21 makes contact with the surface of the blade to be replaced, ensuring the contact area between the guide rod 21 and the blade, which is beneficial for the guide rod 21 to damage or knock off the blade.

[0059] Example 2

[0060] In order to flexibly adjust the position and angle of the workpiece striking device next to the workpiece 3, this embodiment considers the adjustment of the tilt angle of the striking mechanism, the adjustment of the vertical height of the frame 1, and the adjustment of the horizontal distance between the frame 1 and the workpiece 3, and provides the following specific implementation methods.

[0061] To prevent the striking mechanism from affecting the normal operation of the equipment, as an optional implementation, the striking mechanism is fixed to the upper part of the frame 1, and the height of the frame 1 in the vertical direction is adjustable. The adjustable vertical height of the frame 1 allows for adjustment of the vertical height of the striking mechanism, preventing interference with the normal operation of the equipment. For example, when applied to a casing machine, adjusting the vertical height of the frame 1 can prevent the striking mechanism or the frame 1 from colliding with the feeding process of the male plate.

[0062] This embodiment provides a specific implementation method for adjustable vertical height of the frame. See [link to relevant documentation]. Figure 1 and Figure 2 As shown, the frame 1 includes a base 11 and a fixed frame 12 connected to each other. The striking mechanism is connected to the fixed frame 12. One of the fixed frame 12 and the base 11 is provided with a first adjustment hole 121, and the other is provided with a fixed hole 111. The first adjustment hole 121 extends in the vertical direction. The locking member connects and fixes the fixed hole 111 and the first adjustment hole 121 at different positions, thereby adjusting the vertical height of the fixed frame 12.

[0063] The locking component can be a bolt and nut assembly. For example, when it is necessary to increase the vertical height of the frame 1, the lower part of the first adjustment hole 121 is locked with the fixed hole 111 by the bolt and nut assembly. When it is necessary to decrease the vertical height of the frame 1, the upper part of the first adjustment hole 121 is locked with the fixed hole 111 by the bolt and nut assembly, thereby adjusting the vertical height of the striking mechanism.

[0064] As an alternative implementation, see [link to implementation details]. Figure 1 and Figure 2 As shown, the frame 1 in this embodiment also includes a mounting plate 13. The striking mechanism is fixed to the mounting plate 13. One end of the mounting plate 13 extends towards the workpiece 3, and the other end is detachably fixed to the fixed frame 12 via a locking member to adjust the inclination of the mounting plate 13 relative to the workpiece 3. Specifically, a shaft hole is provided between one side of the mounting plate 13 and the upper end of the fixed frame 12. Bolts or screws and other locking members lock the mounting plate 13 and the fixed frame 12 together. When it is necessary to adjust the included angle between the two, the bolts or screws are loosened, the angle between the mounting plate 13 and the fixed frame 12 is adjusted to a suitable size, and then the two are locked.

[0065] The mounting plate 13 serves as the aforementioned mounting location. By adjusting the angle of the mounting plate 13, the striking mechanism fixed on the mounting plate 13 is tilted relative to the workpiece 3 to strike the surface of the workpiece 3.

[0066] The above embodiments enable adjustment of the vertical height and tilt direction of the striking mechanism, making it flexible and convenient to use.

[0067] This embodiment also provides a method for adjusting the horizontal distance between the frame 1 and the workpiece 3, see [link to relevant documentation]. Figure 1 and Figure 2 As shown, there is a second adjustment hole 112 at the bottom of the frame 1. The second adjustment hole 112 extends toward the workpiece 3. The locking member connects the different positions of the second adjustment hole 112 to the base of the equipment to adjust the distance between the striking device and the workpiece 3.

[0068] Preferred, see Figure 1 As shown, the base 11 of the frame is a T-shaped base, and the second adjustment hole 112 is set on the horizontal section of the T-shaped base, and the horizontal section is fixedly connected to the equipment base 5.

[0069] The locking components can be bolts or screws, etc., to adjust the distance between the frame 1 and the workpiece 3, making it flexible and convenient to use.

[0070] Example 3

[0071] To ensure timely activation of the striking mechanism, the monitoring mechanism can employ either timed or quantitative activation. The monitoring mechanism can be a timing mechanism; for example, connecting the striking mechanism to a controller and inputting a timed start command can achieve timed impacts on the workpiece. However, the aforementioned timed start method cannot adequately guarantee that the workpiece is in a replaceable state when the striking mechanism collides with it. For instance, in a sleeve-making machine, when the striking mechanism damages the blade, the blade may already be severely dulled or not yet dulled.

[0072] Considering the above problems, the striking mechanism in this embodiment adopts a quantitative start method. Specifically, the monitoring mechanism in this embodiment also includes a counting mechanism for recording the number of times the workpiece 3 is worked; both the counting mechanism and the striking mechanism are electrically connected to the control system of the equipment. When the counting mechanism detects that the workpiece 3 has worked to a set number of times, it can transmit the information to the control system, which is used to control the start of the striking mechanism.

[0073] The aforementioned counting mechanism is electrically connected to the control system of the equipment itself, and can record the number of times the workpiece 3 is worked. For example, when applied to a sleeve machine, the blade becomes dull after working for about 12,000 times, affecting the product quality. Therefore, the set number is set to 12,000 times. When the counting mechanism detects that the blade has worked for the above-set number of times, it transmits a signal to the control system. The control system starts the striking mechanism to ensure that the workpiece 3, such as the blade, which affects the product quality, is damaged or knocked off in time, thus realizing quantitative and precise striking of the workpiece 3.

[0074] As an optional implementation, the workpiece striking device also includes an alarm mechanism electrically connected to the control system. The control system activates the alarm mechanism when it receives a signal indicating that workpiece 3 is missing from the workstation. When the equipment's control system detects that there is no workpiece at the workstation, it activates the alarm mechanism to remind the operator to replace the workpiece promptly. This alarm mechanism can be a buzzer or similar device.

[0075] Example 4

[0076] This embodiment provides a sleeve-making machine, including a blade and the aforementioned workpiece striking device. The blade serves as the workpiece 3, and a striking station is provided on its side. The workpiece striking device is located at the striking station.

[0077] The sleeve-making machine of this embodiment has the aforementioned workpiece striking device. The striking mechanism can strike the blade to prevent the problem of blade dulling leading to cracking of the sleeve cut, thereby reducing the defective appearance rate of sleeve breakage and improving product quality. It also prevents the waste of time due to multiple sleeve stripping and reduces labor costs.

[0078] The specific features, structures, or characteristics described in this specification may be combined in any suitable manner in one or more embodiments or examples.

[0079] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0080] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A workpiece striking device, the workpiece referring to a workpiece which needs to be replaced in order to prevent an influence on product quality after a certain period of work, characterized in that, The device comprises a monitoring mechanism, a hitting mechanism, a frame and an alarm mechanism, wherein: The monitoring mechanism is electrically connected with the hitting mechanism, and is used to start the hitting mechanism when it is monitored that the workpiece works for a set time and / or a set number of times; At least part of the hitting mechanism is movably arranged, and the part can collide with the workpiece during movement to damage and / or knock off the workpiece; The hitting mechanism is fixed on the frame; the frame has a mounting site, which is arranged obliquely relative to the workpiece and obliquely fixes the hitting mechanism above the workpiece, so that the hitting mechanism can collide with the surface on the workpiece; The alarm mechanism is electrically connected with the control system of the equipment, and the control system is used to start the alarm mechanism when it receives a signal that the workpiece is absent from the work station.

2. The workpiece striking device of claim 1, wherein, The hitting mechanism has a hitting part, which can make reciprocating linear motion in the direction towards and away from the workpiece, and the workpiece is located on the motion path of the hitting part.

3. The workpiece striking device of claim 2, wherein, The hitting mechanism comprises an electromagnet, and a guide rod of the electromagnet is used to collide with the workpiece; Alternatively, the hitting mechanism comprises a telescopic air cylinder, and a telescopic end of the telescopic air cylinder is used to collide with the workpiece.

4. The workpiece striking device of claim 2 or 3, wherein The workpiece hitting device further comprises a limiting and resetting mechanism, wherein the limiting and resetting mechanism is connected with the hitting part and is used to pull the hitting part to reset.

5. The workpiece striking device of claim 4, wherein, The limiting and resetting mechanism comprises a connecting rod and an elastic telescopic part, wherein: One end of the connecting rod is connected with the elastic telescopic part, and the other end is connected with one end of the hitting part away from the workpiece; the connecting rod can rotate and stretch the elastic telescopic part when the hitting part moves towards the workpiece, so that the elastic telescopic part provides a restoring force for the hitting part.

6. The workpiece striking device of claim 5, wherein, There is a positioning column on the frame, and the connecting rod has a mounting hole, and the positioning column passes through the mounting hole, wherein: The positioning column is rotationally connected with the frame and fixedly connected with the mounting hole; Alternatively, the positioning column is fixedly connected with the frame and rotationally connected with the mounting hole.

7. The workpiece striking device of claim 1 or 6, wherein The height of the frame in the vertical direction is adjustably arranged.

8. The workpiece striking device of claim 7, wherein, The frame comprises a base and a fixing frame connected with each other, and the hitting mechanism is connected with the fixing frame, wherein: one of the fixing frame and the base is provided with a first adjusting hole extending in the vertical direction, and the other is provided with a fixing hole, and a locking member connects and fixes the fixing hole with different positions of the first adjusting hole to adjust the vertical height of the fixing frame.

9. The workpiece striking device of claim 8, wherein, The frame further comprises a mounting plate, and the hitting mechanism is fixed on the mounting plate; one end of the mounting plate extends to the side of the workpiece, and the other end is detachably fixedly connected with the fixing frame through a locking member to adjust the inclination of the mounting plate relative to the workpiece.

10. The workpiece striking device of claim 1, wherein, There is a second adjusting hole at the bottom of the frame, which extends to the side of the workpiece, and a locking member connects different positions of the second adjusting hole with the base of the equipment to adjust the distance between the hitting device and the workpiece.

11. The workpiece striking device of claim 1, wherein, The monitoring mechanism comprises: A counting mechanism for recording the number of times the workpiece works; The counting mechanism and the hitting mechanism are electrically connected with a control system of the device, and when the counting mechanism detects that the workpiece works to a set number of times, the information can be transmitted to the control system, and the control system is used for controlling the hitting mechanism to start.

12. A casing machine characterized by, The workpiece hitting device comprises a blade and the workpiece hitting device of any one of claims 1-11, the blade serving as the workpiece, a hitting station being arranged beside the blade, and the workpiece hitting device being located on the hitting station.

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